CN107239898A

CN107239898A - A kind of deep southern regional evaluating production capacity method of Ulmaceae

Info

Publication number: CN107239898A
Application number: CN201710398637.4A
Authority: CN
Inventors: 李云峰; 曹晓峰; 黄文凤; 刘凌云; 李小明; 刘波; 武滨; 赵玉政; 孟兵川
Original assignee: Hebei Honglong Environmental Protection Technology Co Ltd
Current assignee: Hebei Honglong Environmental Protection Technology Co Ltd
Priority date: 2017-05-31
Filing date: 2017-05-31
Publication date: 2017-10-10

Abstract

The invention discloses a kind of deep southern regional evaluating production capacity method of Ulmaceae, using the evaluation for strengthening the low structural belt of exploration and development degree：The Hengshui fault downthrow block of the deep county depression relatively low to Ji southern degree of prospecting, the analysis of deep southern Ulmaceae joint portion, foundation is provided for progressive exploratioon and development；Re-establish interpretation chart and strengthen looking into a layer perforations adding：The suitable deep west the 3rd of foundation is, the interpretation chart of deep south shallow-layer；And old well is carried out according to new plate to look into a layer perforations adding；Foundation is provided for lower step progressive evaluation；Further strengthen the evaluation of lithology structural deposit；Carrying out pilot production to the fuel-displaced point of not pilot production, there is provided Appreciation gist.The present invention builds production capacity 4.23 × 10⁴t.It is 4588.18 yuan/t averagely without tax crude oil price, ton oil running cost is 820 yuan/t, and it is 4.23 × 10 that project, which builds production benefit,⁴T × (4588.18 yuan/t, 820 yuan/t)=159,390,000 yuan.

Description

A kind of deep southern regional evaluating production capacity method of Ulmaceae

Technical field

The invention belongs to mineral exploration and assessment technical field, more particularly to a kind of deep southern regional evaluating production capacity method of Ulmaceae.

Background technology

Deep south-Ulmaceae structural belt geographical position is located at Hebei province Shen Xian, and construction is located at the deep eastern edge of county's depression, deep south-Ulmaceae Structural belt is that deep county is recessed main oil gas structure band, and western part is the hollow groove of deep western oil generation, it is northern why village structural belt, the southeast For Sun Hu structural belts, southwest is connected with Bai Songzhuan structural belts.Deep county's notch area 680km², deep south structural belt area is near 120km², the nearly 108km of Ulmaceae structural belt area²。

The probing work of deep south structural belt drills damp 7 well since in June, 1978, up to the present, well is drilled altogether, is evaluated Jing62Kou, wherein obtaining commercial oil Jing19Kou (in development block 17 mouthfuls), 15 mouthfuls of stripper well is shown in oil bloom Jing4Kou, wet well 4 Mouthful, see non-14 mouthfuls of the cased hole of display, no display Jing5Kou.

Deep south structural belt exploration and development course is:Based on being evaluated before 92 years with prospect pit, verify 9 craven fault block reservoirs (including Pool 502, damp core 1, pool 7, pool 14, pool 23, pool 25, pool 48, pool 61, damp 70 etc. 9 fault blocks), oil area 4.8km², verify Petroleum-in-place 394 × 10⁴Ton.Verify within -93 years 92 years 2 Guantao group fault block oil reservoirs (platform 4, platform 8), oil area 1.2km², verified oil oil in place 194 × 10⁴Ton.Verify within -2001 years 98 years 2 Dongying Formation S_1 Formation oil reservoirs (pool 70, pool 10), oil area 5.7km², verified oil oil in place 1043 × 10⁴Ton.Verify within -2012 years 2011 east one, two sections of east shallow Layer oil reservoir (damp 10-43), oil area 0.9km², verified oil oil in place 99 × 10⁴Ton.Shen Nan oil fields find Guantao so far Six sets of oil-bearing series such as group, Ed_1 member, two sections of east, three sections of east, S_1 Formation, shaerbuer mountain, find 4 oil-containing fault blocks, oil area For 7.63km², verified oil oil in place 1752.5 × 10⁴Ton, technologically recoverable reserves 326.64 × 10⁴Ton.Control reserve 134 ×10⁴Ton.Up to now, 194 mouthfuls of operation oil-water well, 132 mouthfuls of oil well, day 304 tons of oil-producing, add up oil-producing 197.9 × 10⁴Ton, Oil in place recovery percent of reserves 10.7%, recoverable reserves recovery percent of reserves 57.4%, comprehensive water cut 84.1%.

Ulmaceae structural belt probing work is started from 1979, up to the present, well is drilled altogether, Jing36Kou is evaluated, wherein obtaining work Industry oil stream Jing13Kou (in development block 10 mouthfuls), 6 mouthfuls of stripper well is shown in oil bloom Jing1Kou, and 2 mouthfuls of wet well is shown in the non-cased hole of display 6 mouthfuls, no display Jing8Kou.

The structural belt exploration and development course：Based on being evaluated before 1992 with prospect pit, verify 9 craven fault block reservoirs and (be found that Pool 78, elm 7, elm 102, elm 14, elm 21x, elm 27, elm 24x, elm 108x, the fault block of elm 29), constitute Ulmaceae oil field.2000 So far in elm 108x, 24x, 29 pieces of 37 mouthfuls of drilling wells altogether, oil area 0.53km is increased newly², verified oil oil in place 147 × 10⁴ Ton.

At present, Ulmaceae structural belt finds three altogether in Guantao group, Dongying Formation, the SHAHEJIE FORMATION of explored 9 oil-containing fault blocks Cover oil-bearing series, oil area 3.3km², petroleum-in-place 529.09 × 10⁴Ton, recoverable reserves 77.6 × 10⁴Ton, control storage Amount 164 × 10⁴Ton.

The block for putting into exploitation up to now is elm 108x, the fault block of elm 29, wherein current 70 mouthfuls of operation oil-water well, oil well 48 Mouthful, drive a well 29 mouthfuls, day 76.2 tons of oil-producing, add up to recover the oil 72.3 × 10⁴Ton.Oil in place recovery percent of reserves 12.2%, recoverable reserves Recovery percent of reserves 83.7%, comprehensive water cut 83.4%.

Deep south Ulmaceae structural belt verifies total oil content area 10.93km², verify oil in place 2281 × 10⁴Ton, control reserve 695×10⁴Ton.

Exploration and development achievement and understanding

Deep south Ulmaceae area, which constructs feature, is respectively：Deep south structural belt is that inheritance and development is then broken on the basis of palaeohigh The anticlinal belt plane that layer is complicated in east northeast to spread, in the tectonic framework of Y words or anti-Y-shaped on section.Ulmaceae constructs feature Generally form and 3 moats 1 are formed in broom shape system, plane build, to the north of the Graben System tomography of east based on east orientation, southwestern Graben System is with east northeast Based on east orientation, and to the north of the Graben System tomography of northwest based on west.It is vertical to be upwardly formed " Y " fonts or anti-Y-shaped structure.

Local area oil-source condition is good：Synthetic Evaluation of Source Rocks research thinks that the area has been developed under Es1, Es₃Two sets of oil generation gas-bearing formations System, wherein Es₃Hydrocarbon source rock dark mud rock thickness is more than 400m, and the content of organic matter is of a relatively high, oil generating quantity is big, is that local area is main Hydrocarbon source rock.Other Es₁Under the nearly 200m of dark mud rock thickness, organic carbon content is up to 0.44%, and total hydrocarbon content reaches 234ppm, in being Deng-preferably oil source rock.Deep 27.075 hundred million tons of oil generating quantity of county's depression, 1.42 hundred million tons of stock number, wherein deep west-deep south low-lying area groove resource Measure 1.25 hundred million tons, hundred million tons of Ulmaceae low-lying area groove stock number 0.112-0.168,1.05 hundred million tons of surplus yield, resource conversion rate 26%.

Ng, Ed are developed altogether in deep south-Ulmaceae area₁+Ed₂、Ed₃、Es₁、Es₂Deng 6 sets of oily storage lid combinations, Ed₃、Es₁For Main oil-bearing series, is followed successively by Ng, Ed₁₊₂、Es₂。

The deep regional main force's producing horizon Dongying Formation S_1 Formation of south Ulmaceae, using the fluvial facies of braided stream-meandering stream to be main special Levy.Influenceed before shaerbuer mountain by main of braid deltas by two, north and south material resource.Deep south Ulmaceae crosses in north and south material resource Area, is favorable facies belt.No matter reservoir is relatively developed based on channel sand in anticlinal nucleus or alar part reservoir.

Achievement is evaluated mainly in the deep north and south wing (damp 10-43 blocks), deep southern tomography upthrow deep layer (pool in deep south Ulmaceae area 70-70x), western balcony tomography upthrow (48 wellblocks of platform 4- pools).Productivity Construction is main in Shen Nanze 70, pool 10, the fault block of elm 108. 2010-2014 is deep, and southern structural belt drills progressive evaluation Jing43Kou, incremental reserves 120 × 10 altogether⁴Ton, newly-built production capacity 7.2 × 10⁴ Ton.2009-2012, Ulmaceae structural belt, which is done bit by bit, disposes probing rolling Jing7Kou, and 43.8m/17 layers of I class oil reservoir of chance, II are bored altogether 84.6m/23 layers of class oil reservoir.38 tons of oil-producing of day after operation.Accumulative 22197 tons of oil-producing.Intense adjustment in 2014 and Productivity Construction phase With reference in elm 108x, the new Jing8Kou of elm 24x well secondary fault blocks integral deployment probing, newly-built production capacity 1.68 × 10⁴Ton.

The maximum risk of oil-gas exploration is geologic risk, and the key factor considered is needed in the selection of Target For Drilling It is geologic risk, so in evaluation procedure, to consider the successful probability of geology.In addition, the sternness of Exploratory situation is faced, for The differentiation of the economy of oil gas drilling target is also increasingly important, therefore, in addition it is also contemplated that hair in the selection of Target For Drilling Existing oil and gas content will exceed the ratio of minimum economic size, so, when being compared between multiple targets, it is necessary to consider simultaneously Equilibrium of the two indices (geologic risk and economic benefit) in exploration decision.

In summary, the problem of prior art is present be：Prior art is not bound with the low structural belt of exploration and development degree Evaluation and set up interpretation chart and strengthen looking into layer perforations adding and providing foundation for lower step progressive evaluation；

At present, the method also without accurate evaluation and the side with directive significance on the deep southern regional evaluating production capacity of Ulmaceae Case.

The content of the invention

It is an object of the invention to provide a kind of regional evaluating production capacity method of deep southern Ulmaceae, it is intended to solving in deep southern Ulmaceae The problem of method on area's evaluating production capacity also without accurate evaluation and the scheme with directive significance.

The present invention is achieved in that a kind of deep southern regional evaluating production capacity method of Ulmaceae, and the depth south regional production capacity of Ulmaceae is commented Valency method includes：

Strengthen the evaluation of the low structural belt of exploration and development degree：The fracture of the deep county depression relatively low to degree of prospecting declines Disk, the analysis of joint portion, foundation is provided for progressive exploratioon and development；

Re-establish interpretation chart and strengthen looking into a layer perforations adding：The suitable deep west the 3rd of foundation is, the interpretation chart of deep south shallow-layer； And old well is carried out according to new plate to look into a layer perforations adding；Foundation is provided for lower step progressive evaluation；

Further strengthen the evaluation of lithology structural deposit；

Carrying out pilot production to the fuel-displaced point of not pilot production, there is provided Appreciation gist.

Further, oil-bearing series is constantly expanded way and included：

Carry out Potentials：In plane from anticlinal nucleus turn on flank of anticline, longitudinal direction therefrom-deep layer turn to it is shallow-in- Deep layer is taken into account；

Old Well Reexamination is carried out, it is long to stop well perforations adding formation testing success, provide foundation for lower step evaluation：Advised according to oil reservoir genesis analysis Rule is reanalysed；

Many series of strata solid dissection Hydrocarbon Enrichment Regularities, rebuild Reservoir model, it is determined that analysis target.

Further, the deep regional evaluating production capacity method of southern Ulmaceae is also needed to carry out inside development old filed and periphery stereo progressiveness, With reference to well pattern improvement, cloth bores Efficient Development well, further evaluates old filed stable yields resource；Specifically include：

Strata Comparison, redefines standard well and control methods repeatedly；

Using new data, well shake is combined, and checking construction is implemented repeatedly：Well shake is combined, and breakpoint is verified repeatedly, implements construction；

With reference to water filling dynamic response, fine correlation is carried out to construction, relativity.

In the evaluation for further strengthening lithology structural deposit, structural deposit rolling prospecting is evaluated, with disconnected

The situation of the zone of block trap and searching structural deposit, strengthens the evaluation of subtle pool.

Strengthen the old prospect pit analysis of manufacturing capability, to have the fuel-displaced point of the not pilot production of evaluative meaning carry out pilot production there is provided evaluate according to According to.

The deep southern regional evaluating production capacity method of Ulmaceae that the present invention is provided, obtains main Source fault (the deep southern tomography of such as Ulmaceae) Petroleum distribution is controlled, oil gas is located at major fault both sides, and display well section is long, and the number of plies is more.The tomography intersected with Source fault also has oil Qi leel cloth, construction core portion oil area is big, and oil-bearing series is more, and away from Source fault, oiliness is deteriorated.Become to both wings oil area It is small, the short toothbrush shape oil-layer distribution feature with slope belt, such as pool 48,69 pieces of pool.

Deep south Ulmaceae anticline main body is from western and southern river confluence reaches, and sand body development, reservoir properties are good, oiliness It is good.

Lateral plugging condition controls the enrichment degree of each secondary fault block oil gas, although oil reservoir is distributed along short axle bunchiness, each disconnected Block enrichment degree is different, and enrichment degree has differences inside oil reservoir, and such as pool 70, damp 10 fault block by becoming successively west to eastern oil-bearing layer position It is shallow.

The deep northern wing of south construction due to the double influence of north and south material resource, develop to construct-lithological pool based on oil-gas reservoir, such as Pool 18, the fault block of platform 4 are substantially constructed double action by lithology, and pool 18, the reservoir of platform 4 have up dip pinchout phenomenon.The deep northern wing of south construction Due to the double action of north and south material resource, develop to construct-lithological pool as oil-gas reservoir, such as platform 12, damp 18 fault block are substantially by rock Property effect based on.

Ulmaceae Ed-Es₁Section receives Es₂₊₃Oil sources, sand body is from western and south, and overall physical property is good.Deep layer Es₁Bury compared with Deep, structural configuration is more complete, possesses preferable accumulating condition, although to form production scale, but lower step favo(u)rable target can be used as Evaluation of orientations.

Shennan anticline core portion's middle-shallow layer and northern wing prospect pit are more, and discovery degree is high；Core portion deep layer, the deep east southeast wing and joint portion are visited Well is few, and discovery degree is low, the possible rich accumulation of oil and gas of hydrocarbon indication prediction, can be used as favo(u)rable target evaluation of orientations.

Present invention incorporates the evaluation of the low structural belt of exploration and development degree：It is relatively low to Ji southern degree of prospecting The Hengshui fault downthrow block of deep county's depression, the analysis of deep southern Ulmaceae joint portion, foundation is provided for progressive exploratioon and development；

The present invention has re-established interpretation chart and has strengthened looking into a layer perforations adding：Establish be adapted to deep west the 3rd be, deep southern shallow-layer Interpretation chart；And old well is carried out according to new plate to look into a layer perforations adding；Foundation is provided for lower step progressive evaluation.

The present invention drills new Jing26Kou in deep southern Ulmaceae structural belt, builds production capacity 4.23 × 10⁴t.Averagely be free of tax crude oil price Lattice are 4588.18 yuan/t, and ton oil running cost is 820 yuan/t, and it is 4.23 × 10 that project, which builds production benefit,⁴T × (4588.18 yuan/ T-820 members/t)=159,390,000 yuan.26 mouthfuls of drilling well, drilling depth 7.9511 × 10⁴M, 1200 yuan/m of drilling well average price, average individual well Formation testing and surface construction expense are 1,200,000 yuan/mouthful, and drilling well, formation testing and surface construction total cost are 7.9511 × 10⁴m×1200 Yuan/mouthful=12541.32 ten thousand yuan of member/m+25 × 1,200,000, expense was calculated as 1567.66 ten thousand yuan by depreciation in 8 years.The present invention is provided A collection of more reliable evaluation block, it is contemplated that 5 mouthfuls of well location, prognostic reserves 409.2 × 10 can be disposed⁴t.Rolling development block 5 It is individual, it is contemplated that 14 mouthfuls of well location can be disposed, build 3.09 ten thousand tons of production capacity.

Brief description of the drawings

Fig. 1 is the deep southern regional evaluating production capacity method figure of Ulmaceae provided in an embodiment of the present invention.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.

1 pair of application principle of the invention is further described below in conjunction with the accompanying drawings.

The deep southern regional evaluating production capacity method of Ulmaceae provided in an embodiment of the present invention, the deep southern regional evaluating production capacity method of Ulmaceae Including：

S101：Strengthen the evaluation of the low structural belt of exploration and development degree：The depth relatively low to Ji southern degree of prospecting The Hengshui fault downthrow block of county's depression, the analysis of deep southern Ulmaceae joint portion, foundation is provided for progressive exploratioon and development；

S102：Re-establish interpretation chart and strengthen looking into a layer perforations adding：The suitable deep west the 3rd of foundation is, the explanation of deep south shallow-layer Plate；And old well is carried out according to new plate to look into a layer perforations adding；Foundation is provided for lower step progressive evaluation；

S103：Further strengthen the evaluation of lithology structural deposit；

S104：Carrying out pilot production to the fuel-displaced point of not pilot production, there is provided Appreciation gist.

Further, oil-bearing series is constantly expanded way and included：

Strata Comparison, redefines standard well and control methods repeatedly；

The application principle of the present invention is further described with reference to embodiment.

The wing evaluation of Shennan anticline north and south obtains new knowledge, and oil-bearing series constantly expands way

Carry out Potentials, at present, deep south structural belt proved reserves nearly 90% concentrate on anticlinal nucleus to transformation research direction, Alar part discovery degree is relatively low, and research potential is larger.

Generally investigated by prospect pit, find multiple wells in shallow-layer Ed₁、Ed₂Section sees oil/gas show, and some wells, which are bored, meets oil reservoir.Through dividing Analysis thinks that, in for example western balcony in region close to Source fault and deep southern tomography, shallow-layer also possesses into Tibetan potentiality with deep layer.In plane From anticlinal nucleus turn on flank of anticline, longitudinal direction therefrom-deep layer turn to it is shallow-in-deep layer takes into account, preferably, stage 4, pool 48, pool 70 are deep Layer is as evaluation target.

Way 2：Carry out Old Well Reexamination, it is long to stop well perforations adding formation testing success, provide foundation for lower step evaluation

Damp 48 wells have stopped production shut-in well.Think：The disconnected nose oil reservoir of antithetic faults control, crosses breakpoint and sees oil reservoir, according to oil Hide longitudinal distributing law to be reanalysed, it is proposed that mend examination 25 and do not try floor.This layer of pumping obtains daily output commercial oil 19.2m³.Pool 48 wells are shown in 68.4m/18 layers of oil/gas show altogether, 9m/4 layers of electrical measurement oil-water-layer, and commercial oil is obtained two layers in three sections of east.In April, 85 goes into operation, Produce well section 2724.2-2726.8 (2.6m/1 layer), initial stage day 63.1 tons of oil-producing, it is not aqueous, in January, 86 High water cut closing well, Stop production 7.6 tons of day before yesterday oil-producing, the side of water 71.3, and aqueous 90.4%, hydrodynamic face 370m tire out 2454 tons of oil, tire out 5681 tons of water.Therefore Damp three sections of 48 wellblocks east has certain potentiality.

Reanalyse the fault block sand body morphology feature of platform 4 and oil water relation, it is believed that old well Neogene system is construed to the layer of water layer It is that fuel-displaced possibility is larger.Preferential perforations adding pilot production platform 4-1 well 11#, well log interpretation is water layer, and well logging and side-wall coring are oil mark It has been shown that, it is corresponding with evaluating raised platform around a well 4-9x well oil-yielding stratums.After on January 21st, 2015 perforations adding, day 7.4 tons of oil-producing, aqueous 2%.

Way 3：Many series of strata solid dissection Hydrocarbon Enrichment Regularities, rebuild Reservoir model, determine goal in research

Deep south structural belt goes out oil drop distribution extensively, and oil-bearing series is more, and oil gas is enriched with anticline axle portion, and long containing well section；The back of the body Oblique alar part oil gas is main to break rib in the distribution of toothbrush shape along antithetic faults, same to have many set oil-bearing layer.

By large area, the solid dissection of many series of strata, multiple favo(u)rable targets are implemented, 70 wells of 48- pools in northwest wing platform 4- pools Jing7Kou is evaluated in area's deployment, bores thinking deployment along high point cloth by toothbrush shape oil reservoir Mutiple Targets.Achievement is as follows：

10-43 progressive evaluations are in Ed₁、Ed₂Oil-bearing series new Duan Faxian

The solid dissection of many series of strata, the preferably northern wing of anticline as goal in research, mainly anticline axle portion pool 10-43 fault blocks to Progressive evaluation is implemented in both wings extension, achieves great achievement.Rolling development Jing11Kou is integrally drilled in damp 10-43x fault blocks, it is average Individual well, which is bored, meets 31.7m/9 layer of I class oil reservoirs, and 9 mouthfuls of well oil wells are all gone into operation, day 76 tons of oil-producing, discovery Ed₁、Ed₂Duan Xin oil-bearing layer The newly-increased oil area 0.65km of system², petroleum-in-place 72.01 × 10⁴Ton.

Prospect pit pool 10-100 deep layers have display, formation testing water outlet, in Es₁The oil group of section III finds new oil-bearing series

Damp 10-100 well locations bore meet 83.0m/26 layers of I class oil reservoirs altogether, in Es1III in the northern blocks of damp 10-43,3 mouthfuls of stepout well Oil group finds new oil-bearing series, bores meet 40.4m/13 layers of I class oil reservoirs altogether.

The western fault block Nm groups of balcony platform 4 find new oil reservoir, and the top formation testing pilot productions of Ng I obtain high yield

In western newly deployed 4-9x well of balcony tomography upthrow, Nm group electric-log interpretations result is 9m/1 layers of oil reservoir；Formation testing Obtain high yield after the oil group top formation testing pilot production of Ng I, day 18.48 tons of oil-producing.Platform 4-9x wells are raw in operation water breakthrough on July 29th, 2014 Produce 4m/ layers of well section Ng groups 21# (1712.6-1716.6) thickness, day 9.6 tons of oil-producing, aqueous 56.5%, current 7.3 tons of day oil-producing, Accumulative 2184 tons of oil-producing, hydrodynamic face 834m.

The understanding of acquirement：

The evaluation raised platform around a well 4-10 (suitable platform 4-9 produces layer) disposed according to lithology pattern does not become to bottom position oiliness It is good.In terms of platform 4-10, -12 probing formation testing situations, Nm, Ng group improve to high-order bit oiliness, and oil reservoir is influenceed bright by structural factor Aobvious, simply there is pinching phenomenon in indivedual layers.

Well pool 48-1x wells, Es are evaluated in western balcony tomography probing₁Deep layer finds new oil-bearing series

13.4m/2 layers of stepout well pool 48-1 wells electric-log interpretation oil reservoir, oil-water common-layer and poor 17.4m/7 layers of oil reservoir.The well Go into operation in October, 2012 76#, initial stage day 18.4 tons of oil-producing, aqueous 21.8%.The cement injecting of in August, 2013 mends day oil-producing after 70#, benefit 13.4 tons, aqueous 4%.At present, about 1.5 tons of day oil-producing, aqueous 85.3%, tire out 2616 tons of oil.

Well pool 48-2x1 wells, Ed are evaluated in probing₁It was found that new oil-bearing series

Stepout well pool 48-2x1 wells, which are bored, meets three sets of oil-bearing series, Ed₁Section is new discovery hydrocarbon show zones；Electric-log interpretation oil reservoir 7.0m/1 layers, 37.8m/8 layers of oil-water common-layer.The well is gone into operation in April, 2013.Initial stage day 14.4 tons of oil-producing, aqueous 38%, 2014 Water blockoff was mended and produced 9.7 tons, aqueous 2.6%, 2.1 tons of daily output at present, aqueous 56%, tired 1373 tons of oil after 56#, benefit daily March in year.

Well pool 70-70x wells, Es are evaluated in probing₂It was found that new oil-bearing series

While damp 70 fault blocks progress layering is modification scenario, damp 70-69x wells find the new series of strata of Es1.Well production is steady Fixed, initial stage day, about 17 tons of oil-producing, aqueous low, and liquid measure is sufficient, thus it is speculated that with certain fuel feeding scope, while through thinking damp 70 well This fault block Es₁Deep layer Es₂Into Tibetan.As breach, with Es₁、Es₂For the purpose of layer, cloth, which is bored, evaluates well pool 70-70x wells.

Damp 70-70x wells bore in Es1-Es2 and meet big set display layer (oil stain shows 48m/7 layers, 34m/12 layers of fluorescence display), 6.6m/2 layers of electric-log interpretation oil reservoir, 39.4m/7 layers of oil-water-layer.Produce Es₂131# layers of layer, day 3.2 tons of oil-producing, aqueous 24.2%. In May, 2014, perforations adding Es₁Deep layer 99# (3082.0-3089.8).The initial stage of adopting is produced 3 tons, aqueous 23.9% daily in conjunction.The well is not only opened up New series of strata are opened up, the also evaluation to deep southern upthrow deep layer has greater significance.

It is obvious that the deep damp 10 fault block edge in south core portion evaluate internal adjustment effect

Damp 10 fault-block structures are complicated, and contrast is difficult, and a variety of Information integrations are used, and effect is obvious.

It is way 1, complicated for damp 10 fault-block structure.Verified that many well group system layer contrasts reach that well shakes with isochronous surface It is unified.

Way 2, it is multi-direction cut damp 10 wellblock and cross well oil reservoir section, empirical tests, construction is reasonable, and oil water relation is reasonable.

Way 3, the FMT PRESSURE DATAs using stepout well, examine the Strata Comparison and tectonic relationship with old well.

Way 4, utilize production to inhale the means of production such as section, analyze residual production potential.

Way 5, using the Pyro-GC data of new well reservoir is re-recognized, be that lower step perforations adding provides foundation with evaluating.

Damp 10 flared ends adjustment

Oil reservoir development degree is suitable with offset well after new well probing.Correlation of oil beds is preferable.Flared end and 7 mouthfuls of wells of internal adjustment well (damp 10-108x, -109x, -111x, -120x, -122x, -124x, -134x), bores meet 228m/40 layers of I class oil reservoirs, II classes altogether 297.8m/84 layers of oil reservoir, newly-built production capacity 1.26 × 10⁴Ton.

Day oil-producing at initial stage that brings in a well is 4-5 tons, aqueous about 15%, and old well production is then 1-2 tons, effect compared with It is good.

Damp 10 edge progressive evaluations

Damp 10-36- pools 10-119 wellblocks are located at damp 10 edge close to damp 10-43 fault blocks, for the purpose of expanding layer, implement again After construction, two new tomographies are increased newly, construct more complicated.By boring thinking with Mutiple Targets, many series of strata cloth, 2 mouthfuls of well location is disposed, Two secondary fault blocks are evaluated, effect is preferable.Newly-built production capacity 0.36 × 10⁴Ton.

After damp 10-119x1 wells are implemented, bore and meet Ed3IV and two sets of series of strata of Es1II：Bore and meet 69.8m/12 layers of oil reservoir, go into operation Initial stage day 9.7 tons of oil-producing, aqueous 53%, tired 1146 tons of oil-producing at present.

10-118x wells, which are bored, meets 14.4m/5 layers of I class oil reservoirs, 17.8m/3 layers of II classes, and Ed3II and Es1-II oil is penetrated out in operation Group 36#, 83# (6.2m/2 layer), initial stage day 11.9 tons of oil-producing, aqueous 1.2%.Current 2.5 tons of day oil-producing, aqueous 15.1%, Tired 1946 tons of oil.

Dig and extend out in Ulmaceae structural belt, depth is taped the latent power, and is achieved noticeable achievement

The Research Thinking in Ulmaceae oil field：Carry out inside old filed and periphery " stereo progressiveness ", with flared end, expand layer, expansion rib, expansion Block is main purpose, with reference to well pattern improvement, and cloth bores Efficient Development well, further compacting old filed stable yields resource base.

Way one：Strata Comparison, redefines standard well and contrast scheme repeatedly.

The original construction in Ulmaceae oil field and relativity, set up on the basis of standard well elm 108x wells are full well.Due to There is new understanding to " standard well " elm 108x wells, it is determined that new breakpoint and new geological layering so that Ulmaceae oil field stratum is contrasted And structural configuration needs to re-recognize.

Way two：Using new data, well shake is combined, and checking construction is implemented repeatedly.

Well shake is combined, and breakpoint is verified repeatedly, implements construction.Tectonic framework changes：Separate elm 108 and the fault block of elm 24 Strike-slip fault turn and changed with trend, both at the faulted nose structure that complicates is cut by tomography, in imbricate ladder Arrangement.

Way three:With reference to water filling dynamic response, scrutiny is carried out to construction, relativity.

13 mouthfuls of water injection well 23 mouthfuls of producing wells of connection of Ulmaceae fault block, note adopt 18 mouthfuls of producing well of correspondence at present, take effect Jing7Kou, sees Effect is the Jing3Kou of water logging, and aqueous after taking effect to rise fast Jing3Kou, take effect unobvious Jing2Kou, and do not take effect Jing4Kou.

2009-2012 do bit by bit formula deployment probing roll Jing7Kou, altogether bore meet 43.8m/17 layers of I class oil reservoir, II class 84.6m/23 layers of oil reservoir.38 tons of oil-producing of day after operation, adds up 22197 tons of oil-producing.

Arranged according to Ulmaceae oil field development Adjusted Option, 2014 in elm 24, the fault block of elm 108 deployment probing development well 10 Mouthful, bore meet 99.8m/39 layers of I class oil reservoir, II 152.8m/43 layers of class oil reservoir, newly-built production capacity 1.53 × 10 altogether⁴Ton.Effect is preferable.

Go into operation 8 mouthfuls at present, bet 1 mouthful, treat 1 mouthful of stake.Initial stage day 74.5 tons of oil-producing, water 11.6m³.At present, day oil-producing 24.8 tons, water 44.5m³, add up 11331 tons of oil-producing, water 14269m³。

In recent years, by continuous progressive evaluation, deep south Ulmaceae structural belt obtains following understanding and enlightened：

1st, main Source fault (the deep southern tomography of such as Ulmaceae) control petroleum distribution, oil gas is located at major fault both sides, shows well Segment length, the number of plies is more.The tomography intersected with Source fault also has petroleum distribution, and construction core portion oil area is big, and oil-bearing series is more, far From Source fault, oiliness is deteriorated.Diminish to both wings oil area, the short toothbrush shape oil-layer distribution feature with slope belt, such as Pool 48,69 pieces of pool.

2nd, deep southern Ulmaceae anticline main body is from western and southern river confluence reaches, and sand body development, reservoir properties are good, oil-containing Property is good.

3rd, Lateral plugging condition controls the enrichment degree of each secondary fault block oil gas, although oil reservoir is distributed along short axle bunchiness, respectively Fault block enrichment degree is different, and enrichment degree has differences inside oil reservoir, such as pool 70, damp 10 fault block by west to eastern oil-bearing layer position successively Shoal.

4th, the deep northern wing of south construction is due to the double influence of north and south material resource, develop to construct-lithological pool based on oil-gas reservoir, Such as pool 18, the fault block of platform 4 are substantially constructed double action by lithology, and pool 18, the reservoir of platform 4 have up dip pinchout phenomenon.Deep south construction north The wing due to the double action of north and south material resource, develop to construct-lithological pool as oil-gas reservoir, such as platform 12, damp 18 fault block substantially by Based on lithology effect.

5th, Ulmaceae Ed-Es₁Section receives Es₂₊₃Oil sources, sand body is from western and south, and overall physical property is good.Deep layer Es₁Bury compared with Deep, structural configuration is more complete, possesses preferable accumulating condition, although to form production scale, but lower step favo(u)rable target can be used as Evaluation of orientations.

6th, Shennan anticline core portion middle-shallow layer and northern wing prospect pit are more, and discovery degree is high；Core portion deep layer, the deep east southeast wing and joint portion Prospect pit is few, and discovery degree is low, the possible rich accumulation of oil and gas of hydrocarbon indication prediction, can be used as favo(u)rable target evaluation of orientations.

Production Proposals are built in evaluation

Production overall work thinking is built in deep south Ulmaceae structural belt evaluation：Strengthen reservoir evaluation, adhere to that exploration assessment builds production one Change；New block Productivity Construction emphasizes that whole development is gone into operation；Old area Productivity Construction adheres to that new well is combined with recovering production capacity, carries out well Net is improved and flared end adjustment work, constantly improvement old filed development effectiveness.

One, reservoir evaluation arrangement

Generally investigated by prospect pit, with reference to oil-gas distribution understanding and conventional successful practice, it is believed that carried on the back in Ulmaceae this area Oblique Es₁The blocks such as deep layer, deep southern Ulmaceae joint portion, deep southern Ulmaceae periphery can be used as lower step potentiality direction.

Ulmaceae anticline Es₁Deep layer evaluates potentiality

Ulmaceae core portion Es₁An arch structure is configured to, commercial oil Jing3Kou (pool 69, elm 7, elm 15), low oil production stream well is obtained 1 mouthful (elm 9).Pass through analysis, it is believed that can the preferably wellblock of pool 69- elms 9 evaluated, different oil-bearing series are realized in the plane Situation in flakes, according to as follows：

Pool 69 and elm 7- elms 15 are made up of two faulted anticlines, are the highest position in core portion, construction location is highly beneficial.Pool 69th, elm 7, elm 15 obtain commercial oil in S_1 Formation.There are certain oil area and reserves to advise for pool 69, elm 7,3 pieces of the south of elm 7 Mould.Prediction+controlled oil-bearing area 1.5km², control, 1,420,000 tons of petroleum-in-place of prediction.Damp 69 fault blocks are constructed positioned at Ulmaceae Band alar part, oil gas may be in toothbrush shape spread, and oil-control tomography fulfilling degree is high.

Damp 69 fault blocks are fuel-displaced in Es1 section damp 69 wells of deep layer by damp 69 faults control, and shallow-layer bores chance without well, be worth into One step evaluation.69 well Es of pool₁Section various 71.8m/18 layers of the displays of well logging.5.2m/3 layers of electric-log interpretation II class oil reservoirs.Es1 sections of formation testings 7 layers 6 times, 3.2 tons of oil-producing of formation testing maximum production day, daily output water 4.9m³。

The well of elm 9 of the fault block of elm 9, Es1 has obtained low oil production stream, and liquid measure is sufficient.Es₁All kinds of oil/gas show 29.2m/ of section 8 layers, 8.4m/3 layers of II class oil reservoirs are explained by 31.5m/4 layers of electric-log interpretation oil-water-layer, research institute.The interval formation testing 5 layer 4 times, JSD is surveyed 0.67 ton of oil-producing of maximum production day is tried, the side of water 60.6 is produced daily.

All kinds of 7.4m/3 layers of display 49.6m/15 layers of electrical measurement oil reservoirs of adjacent block elm Es1 sections of well loggings of 7 well, profit 3.4m/1 Layer, suspicious layer 8.4m/2 layers, formation testing 2 layer 2 times, JSD test 3.5 tons of oil-producings of maximum production day, daily output water 3.5m³.Electric-log interpretation 5.4m/2 layers of oil reservoir, 46.2m/11 layers of oil-water-layer.All kinds of display 70m/7 layers of Es1 sections of well loggings of 15 well of elm, formation testing 6 layer 6 times, JSD is surveyed Try 4.3 tons of oil-producing of maximum production day, daily output water 10.04m³.Do not go into operation.

Shallow-layer 69 wells of pool have one layer of oil stain to show (2677-2679m) in 9 pieces of lower curtate positions of elm, than the construction low 110m of peak, Shallow-layer is worth further and evaluated.

Using toothbrush shape Reservoir model as guidance, taken into account in damp 69 fault block, the fault block depth layer of elm 9, Jing2Kou is evaluated in deployment, in advance Count drilling depth 0.7 × 10⁴M, preliminary inquiry passes through.

Evaluate potentiality in deep south Ulmaceae joint portion

Prospect pit (elm 6, platform 3, pool 33, pool 78, elm 107, elm 25, elm 102 etc.) oil gas shows in deep south Ulmaceae area of joinder Show that comparison is enlivened, display interval is Ng-Es1 sections, and plane is sporadicly distributed.Wherein pool 33, pool 78, the well of elm 102 obtain commercial oil, Elm 6, elm 107, which are obtained, has potentiality in flakes in low oil production stream, plane.It is preferred that damp 78 ground grievances evaluated target as 2016.

Damp 78 wellblock oil/gas shows are enlivened：Damp 131.31m/44 layers of 78 well logging presentation, 5.8m/1 layers of electrical measurement oil reservoir is poor Oily oil-water-layer 8.2m/3 layers, suspicious layer 32.8m/7 layers.Formation testing 9 times, obtains commercial oil, oil-producing 2.7-8.3 tons of day 3 times；Obtain for 3 times Obtain low yield, oil-producing 1.2-1.8 tons of day, non-pilot production.The fault block predicts petroleum-in-place 55.4 × 10⁴Ton.The well well logging of elm 102 Show 66.0m/13 layers of oil mark, 89.0m/23 layers of oil stain, 56.0m/19 layers of fluorescence.2.4m/1 layers of electric-log interpretation oil reservoir, profit is same 18.8m/3 layers, suspicious layer 22.0m/3 layers of layer.Go into operation in April, 1991 43# (2897.1-2899.5m), initial stage day oil-producing 22.3 Ton, daily output water 24.2m³, aqueous 52.1%；In June, 1999 closing well so far.Accumulative oil-producing 1.08 × 10⁴Ton.The fault block predicts stone Oily oil in place 60.52 × 10⁴Ton.

Damp 78 fault blocks are horst block, and construction implements reliable, the advantage with capture oil gas, and pool 78 is in construction Lower position, formation testing obtains commercial oil.

It is recommended that well elm 108-70x is evaluated in 78 wells of pilot production pool, then deployment, it is contemplated that petroleum-in-place 95.8 × 10⁴Ton.

Deep south Ulmaceae periphery block evaluation potentiality

(1) Hengshui fault downthrow block --- damp 96 fault block

By Hengshui fault control, oil gas is distributed along Hengshui fault bunchiness, is developed successively from west to east：Pool 96, pool 92, pool 95th, damp 94 oil reservoir.The area carries out prospect pit generaI investigation and finds that the whole district sees different stage oil gas in SHAHEJIE FORMATION and Changchengian System buried hill Display.Wherein, damp 96 well Es₂₊₃Section, damp 95 well Es₂Section formation testing obtains commercial oil, damp 35 well and damp 92 well Es₃Section formation testing low yield, Other damp 94 well Es₃Section obtains commercial oil with Changchengian System buried hill oil pool formation testing.Therefore, preferred damp 96 fault block is breach.

The area is the major fault of long term activity of earthquake close to the hollow groove of Shen Xiwa grooves and Shu Lubei, Hengshui fault, is switched to oil generation under it Rock, hydrocarbon migration channel is smooth.Because Hengshui thrown side construction location is higher, oil-gas migration sensing is chronically at, along weighing apparatus A series of oil-containing fault blocks of water mature fault.

The area has many set storage lid combinations, damp 96 fault block Es₁、Es₂₊₃The favourable storage lid combinations of tri- sets of Duan Fayu, sandy ground is than suitable Preferably, close to 1：3.With good closure and preservation condition, Hengshui fault upthrow stratum mud stone phase is conducive to oil gas to development Lateral plugging is into Tibetan.And damp 96, pool 94, damp 95 3 Kou Jing stratum water type are CaCl₂、MgCl₂, illustrate that reservoir preservation condition is good.

Oil/gas show is enlivened in one's respective area, at present 5 mouthfuls of drilled well：Pool 96, pool 68, Shanxi Gu 8, damp 50 well and Jin80Jing, See the oil/gas show of different stage.Wherein damp 96 well well logging is shown in 100.5m/28 layers of display (58.80m/14 layers of oil mark, oil 2.8m/2 layers of mark, 38.9m/12 layers of fluorescence).Damp 96 4.8m/1 layers of well electric-log interpretation oil reservoirs, 8m/1 layers of oil-water common-layer, suspicious layer 33.4m/6 layers.Damp 96 well formation testings obtain commercial oil, formation testing 25# (8m/1 layers), 54 times/1259m/1140m of pumping, day oil-producing 12.7 tons, tire out 57.3 tons of oil；Formation testing 38# (4.8m/1 layers), 2.6 tons of oil-producing of formation testing day, tires out 3.4 tons of oil.

Well is evaluated in deployment：Damp 96-1x wells.It is right at its for 18#, 25#, 38# layer of lower location of the structure residing for damp 96 well Answer structural high part arrangement to evaluate well flatly, evaluate respective layer position oily situation.Predict petroleum-in-place 254.6 × 10⁴ Ton.

(2) deep western tomography upthrow --- damp 20 fault block

Good oil/gas show has all been seen along deep western major fault buried hill, dune shape, shaerbuer mountain, S_1 Formation, Dongying Formation, this Demonstrate along deep western tomography both sides, as long as there is good trap structure to be possible into Tibetan.Wherein, platform 18x, platform 15x, 20 and of pool Platform 15-3x wellblocks oil/gas show is concentrated mainly on S_1 Formation；From bottom to top, seen in sand three, shaerbuer mountain good damp 89 wellblocks Good oil/gas show；The wellblock of platform 19 development east two, oil Iayer.Middle part oil gas is more enriched with, it is therefore preferable that pool 20 is as lower step Progressive evaluation target.Concrete foundation is as follows：

Returned on old well the 3rd be, production status it is good

Damp 20 wellblocks largely produce layer for the Ordovician system, are returned on 4 mouthfuls of wells such as pool 20, pool 43-2, pool 43-3, pool 43-4 3rd is, wherein it is preferable to return effect on damp 20 well and pool 43-3 wells.Damp poor 10.4m/2 layers of the oil reservoir of 20 well electric-log interpretations.Es₁Section 88th, 89# layers of formation testing, electric-log interpretation is water layer, and MFE test produces pure oily 30.1 tons daily.The well is gone into operation in December, 86, production 88th, 89# layers, pure oily 8.6 tons of daily output at initial stage of going into operation.Do not go out liquid at present to stop, add up oil-producing 1.2717 × 10⁴Ton.

Poor 34.6m/11 layers of the oil reservoir of damp 43-3 wells electric-log interpretation, 2.8m/1 layers of oil-water-layer, suspicious layer 9.2m/4 layers. 1993 Year September cement injecting envelope buried hill section, perforations adding dune shape 3602-3616m, initial stage, pure oily 25 tons of daily output, added up 6500 tons, 2001 of oil-producing March perforations adding fracturing layer position 3556-3616m, initial stage day 34.5 tons of oil-producing, aqueous 10.8%.At present, the well feed flow deficiency is stopped Production, dune shape adds up oil-producing 2.76 × 10⁴Ton.

Construction is implemented, relativity is reliable

For each well oil-yielding stratum situation, three sets of oil-bearing series constructions are implemented again --- Es₁、Es₂₊₃Upper, Es₂₊₃Under.

Carry out Old Well Reexamination and second interpretation work, provided a favorable security for lower step evaluation.

According to formation testing production material, Es is re-established₁、Es₃15 mouthfuls of wells are checked by interpretation chart, change 10 mouthfuls, before check 37.6m/9 layers of I class thickness, 143.8m/48 layers of II class thickness, 75.8m/20 layers of I classes thickness after check, II class thickness 186.6m/ 62 layers, I classes thickness increases 38.2m/11 layers, and II classes thickness increases 42.8m/14 layers.The increased well of I class thickness is mainly damp 43- 1st, -2, -3,5, only II classes thickness is increased damp 43-4, -6, -8, -11, pool 89, pool 21.

According to review result, the preferably formation testing of key well perforations adding, foundation is provided for lower step evaluation.

Damp 43-4, pool 43-5 wells Es are not employed, and -4 well Es1 originals explain water layer, and oil reservoir is upgraded to after check；- 5 well Es₁Original solution Oil reservoir is upgraded to after releasing oil-water-layer, check, it is proposed that penetrate out Es respectively₁2# and 12#, 13 layers.The southern fault block Es1 potentiality in pool 20 are evaluated, Such as fuel-displaced carry out progressive evaluation.

A set of oil reservoir is drilled in the southern block in pool 20 on damp 43-3 wells sand three, and 9.4m/3 layers of II classes, check are explained before the check of this jacket layer 7.4m/2 layer of I classes, 14.8m/4 layer of II classes are explained afterwards, it is proposed that perforations adding, which is penetrated out 12,14# layers and checked, to be construed to I classes layer and (be before check Water layer, oil-water-layer).

Damp 43-1 wells Es is not employed, and 4.4m/1 layers of oil-water-layer is only explained before check, 8.6m/2 layers of I classes layer, II classes after check 10.4m/3 layers of layer, it is proposed that penetrate out Es₃On 10# and under Es3 19# layers (check before be water layer, after check be oil reservoir).Respectively Evaluate the southern block Es in pool 20₃Upper and Es₃Lower potentiality.

Well pattern is further improved according to the formation testing result of key well

After formation testing success, according to formation testing achievement, no well controlling zone domain can further dispose well location, improve well pattern.

Tentatively evaluation Jing5Kou is proposed in damp 69- elms 9, pool 78, pool 96, pool 20 within 2016, it is contemplated that newly-increased petroleum-in-place 409.2 ten thousand tons.

2nd, Productivity Construction arrangement

2016, deep south Ulmaceae structural belt Productivity Construction was mainly arranged in damp 10-71, pool 10-12, pool 10-50 and pool The fault block of elm 7 in 10-43 wellblocks and Ulmaceae oil field.The new brill production capacity Jing14Kou of plan, wherein 13 mouthfuls of oil well, build production capacity 3.09 × 10⁴ Ton.

Damp 10-71 wellblocks

Adjust thinking：Improve well pattern, note and adopt adjustment, improve water drive control.Adjustment principle：For well pattern imperfection area Domain is suitably encrypted, the new well of region complement of breakthrough oil reservoir；By well pattern improvement, controlling extent, improving ecology effect are improved.

Infilling adjustment foundation：

Total 16 mouthfuls of well number, oil in place 192.9 × 10⁴Ton, average individual well, which is bored, meets 43m/12 layers of core intersection, control reserve 12.1×10⁴Ton, possesses cryptography infrastructure.

Well pattern is irregular, is not controlled between well, and part well spacing is larger (being more than 250m).

Some oil wells series of strata breakthrough, reserves control is low.5 mouthfuls of well missing oil reservoir about 60m of statistics.

3 mouthfuls of drilling well in 2014, oil reservoir connected ratio improves 1.6%, and increase does not control 16m/4 layers of oil reservoir.After operation, oil well life Produce changed condition little.Lower successive step direction, local cypher improves reserves control, sand body connection.

It is expected that disposing new Jing7Kou (average well spacing 178m), average single well controlled reserves 8.38 × 10⁴Ton.Drilling depth 2.03 × 10⁴M, it is contemplated that newly-built production capacity 1.44 × 10⁴Ton.

2nd, pool 10-12 wellblocks

Develop Ed in damp 10-12 wellblocks₃II, III, IV oil group, think after combing tomography again：Ed₃III, IV well pattern are relative It is perfect, and Ed3II well patterns are left to be desired, this bores with 7 mouthfuls of wells meets Ed3II oil reservoirs, average I class core intersection 9.2m, II classes Core intersection 8.4m, tired 45135 tons of the oil of 6 mouthfuls of wells.Damp 10-2, -1, -9, -11, -26 near Ed3II oil group sections etc. Well, due to positioned at thrown side lower curtate position, so being water layer.

With Ed₃II oil group is main purpose layer, improves well pattern, and depth layer takes into account 2 mouthfuls of wells of deployment, drills Ng, Ed₃III、 IV、Es₁Interval.It is expected that drilling depth 0.62 × 10⁴M, newly-built production capacity 0.48 × 10⁴Ton.

3rd, pool 10-50x fault blocks

Damp 10-50x fault blocks develop Ed₃I, II oil group and Es₁Three sets of oil-bearing series, damp 10-88, -89x break with pool 10-51x Lose Ed₃Oil reservoir, only develops Es₁Oil reservoir.Damp 10-90x wells produce Ed3II oil reservoirs, in January, 2015 perforations adding pilot production Ed₃I 12# layers, Production status is good, day oil-producing rise to 12.4 tons for 0.9 ton before perforations adding, it is aqueous to drop to 1.4%, hydrodynamic face 2140 by 21% Rice, lowers working system after perforations adding, day 4.9 tons of oil-producing, current 4.6 tons of day oil-producing, aqueous 4.5%, hydrodynamic face 2187m tire out production 3328 tons.

Damp 10-50x wells, in August, 2015, which is mended, opens 12# respective layers and the Ed that damp 10-90x wells are penetrated out₃II is closed and adopted, and is not gone out before mending After liquid, benefit, day 4.8 tons of oil-producing, aqueous 11.3%, liquid level 1926m add up 15060 tons of oil-producing, tire out water 15852m³。

Damp 10-90x wells are in Ed₃I oil group production status is stable, and half a year, anhydrous exploitation illustrated that the interval has certain oil-containing Area, can further improve Ed₃Ith, the oily groups of II and Es₁Well pattern, and and spy shallow-layer Nm, Ed₁Oily situation.It is expected that deployment 2 Mouth well, drilling depth 0.6 × 10⁴m.Newly-built production capacity 0.48 × 10⁴Ton.

4th, pool 10-43 fault blocks

Damp 10-43 fault blocks report oil area 0.9Km², report petroleum-in-place 99 × 10⁴Ton.Oil-water well is had at present 11 mouthfuls, wherein 9 mouthfuls of oil well, tired oil 9.14 × 10⁴Ton.At present, 6 tons of day oil-producing.Damp 10-46 wells Ed_1 member oil-water interfaces are 2250m.Damp 10-44 wells oil-water interfaces 2250m.Lower curtate position pool 10-45 wells production status is good, can be to lower curtate position deployment well location 1 mouthful, drilling depth 0.23 × 10⁴M, builds production capacity 0.21 × 10⁴Ton.

The damp 10-71 wellblocks in Shen Nan oil fields and pool 10-50, pool 10-43, pool 10-12 wellblocks 2016 yearly plan deployment well location 12 mouthfuls, drilling depth 3.48 × 10⁴M, newly-built production capacity 2.61 × 10⁴Ton.

5th, the fault block of Ulmaceae oil field elm 7

7 pieces of development Ed of elm₂II (development of elm 7-61x wells), Ed₃III (development of elm 7-3 wells), Ed₃IV (elm 7-29x wells hair Educate), Es₁Many set oil-bearing series such as (development of the well such as elm 7-1, -2, -4).

Elm 108-4 wells, which are bored, meets fault block Es₁Section oil reservoir, I 12.8m/4 layers of class oil reservoir, II 12.6m/3 layers of class oil reservoir.Es₁Section 37#, which goes into operation, produces pure oily 32.1 tons daily initial stage, adds up 9390 tons of oil-producing, full well adds up 20563 tons of oil-producing.

Elm 108-29x wells, which are bored, meets fault block Ed₃The oil group oil reservoir of section IV, full 21.8m/8 layers of I class oil reservoir of well, II class oil reservoir 8.8m/3 layer.Ed₃11#, 13#, 14#, 16# of the oil group of section IV go into operation, and initial stage, pure oily 18.5 tons of daily output, added up 6974 tons of oil-producing, Full well adds up 13183 tons of oil-producing.

In this year, take into account deployment 1 mouthful of well location --- elm 108-60 wells, primary explanation I class oil reservoirs 15.8m/ in 7 pieces of depths of elm 5 layers, 14.2m/5 layers of oil-water-layer, 2016 yearly plans continue to dispose 2 mouthfuls of well location, drilling depth 0.62 × 10 for 7 pieces in elm⁴M, newly-built production capacity 0.48×10⁴Ton.

3rd, evaluation of economic benefit

By the research and implementation of project, 2014-2015 drills new Jing26Kou in deep southern Ulmaceae structural belt, builds production capacity 4.23×10⁴t。

2014 annuals are 4588.18 yuan/t without tax crude oil price, and ton oil running cost is 820 yuan/t, and project builds production Benefit is 4.23 × 10⁴T × (4588.18 yuan/t-820 members/t)=159,390,000 yuan.

26 mouthfuls of 2014-2015 drilling wells, drilling depth 7.9511 × 10⁴M, 1200 yuan/m of drilling well average price, average individual well examination Oil and surface construction expense are 1,200,000 yuan/mouthful, and drilling well, formation testing and surface construction total cost are 7.9511 × 10⁴m×1200 Yuan/mouthful=12541.32 ten thousand yuan of member/m+25 × 1,200,000, expense was calculated as 1567.66 ten thousand yuan by depreciation in 8 years.

《Production research is built in the regional overall evaluation of deep south-Ulmaceae》The reasearch funds of scientific research project Oilfield Company investment are 200,000 Member.

It is 159,390,000 yuan -1567.66 ten thousand yuan -20 ten thousand yuan=1.435 hundred million yuan that project, which obtains pure economic benefit,.

Four, conclusions and recommendations

Pass through《Production research is built in the regional overall evaluation of deep south-Ulmaceae》The research and implementation of project, 2014-2015 is at this Structural belt progressive exploratioon and development work achieves extraordinary effect：Drill new Jing26Kou, newly-built production capacity 4.23 × 10⁴t.Simultaneously It is to provide a collection of more reliable evaluation block in 2016 by the research of project, it is contemplated that 5 mouthfuls of well location, prediction storage can be disposed Amount 409.2 × 10⁴t.Rolling development block 5, it is contemplated that can dispose 14 mouthfuls of well location, builds 3.09 ten thousand tons of production capacity.

This area's construction is complicated, oken block, and with deepening continuously for progressive exploratioon and development, the difficulty that production is built in rolling is continuous Increase, it is necessary to employ new technology, new method is support, deepen geological research, the breakthrough in understanding could be obtained, so as to realize increasing Production is built in storage, and for this, suggestion performs following work：

1st, the research work of the low structural belt of exploration and development degree is strengthened.

Strengthen the Hengshui fault downthrow block of the deep county depression relatively low to Ji southern degree of prospecting, deep southern Ulmaceae knot The research work in conjunction portion, passes through fine research, it is expected to can make a breakthrough, and is that heavily fortified point is laid in the new battlefield of progressive exploratioon and development searching Real basis.

2nd, re-establish interpretation chart and strengthen looking into a layer perforations adding.

It is (damp 20 region), the interpretation chart of deep southern shallow-layer to set up suitable deep west the 3rd.And old well is entered according to new plate Row looks into a layer perforations adding.Foundation is provided for lower step progressive evaluation.

3rd, the research dynamics of lithology structural deposit is further strengthened.

With to structural deposit progressive exploratioon and development go deep into, with Fault-block trap and find structural deposit zone by Step is reduced, and difficulty is being continued to increase, and may be influenceed in damp 18 wellblocks of deep north and south wing platform 10- platform 12- platforms 4- by a variety of material resources, can There can be subtle pool, and this research is still at an early stage, should strengthen the training (sequence of the research method of subtle pool Stratigraphy, seismic stratigraphy, reservoir inversion).

4th, strengthen old prospect pit production capacity to resume work

Go out oil drop (pool 78 of deep south Ulmaceae joint portion, pool 69, elm 15, damp 33, elm to have a not pilot production of evaluative meaning 6th, the pool 96 of Hengshui fault downthrow block, pool 95, pool 94, pool 92) carry out pilot production there is provided Appreciation gist.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims

1. a kind of deep southern regional evaluating production capacity method of Ulmaceae, it is characterised in that the deep southern regional evaluating production capacity method bag of Ulmaceae Include：

Strengthen the evaluation of the low structural belt of exploration and development degree：The fracture downthrow block of the depression relatively low to degree of prospecting, joint portion Analysis, provide foundation for progressive exploratioon and development；

Re-establish interpretation chart and strengthen looking into a layer perforations adding：Set up the new plate explained；And old well is looked into according to new plate Layer perforations adding；Foundation is provided for lower step progressive evaluation；

Further strengthen the evaluation of lithology structural deposit；

2. the deep southern regional evaluating production capacity method of Ulmaceae as claimed in claim 1, it is characterised in that

Oil-bearing series, which constantly expands way, to be included：

Carry out Potentials：In plane from anticlinal nucleus turn on flank of anticline, longitudinal direction therefrom-deep layer turn to it is shallow-in-deep layer is simultaneous Turn round and look at；

Old Well Reexamination is carried out, it is long to stop well perforations adding formation testing success, provide foundation for lower step evaluation：Entered according to oil reservoir longitudinal distributing law Row is reanalysed；

3. the deep southern regional evaluating production capacity method of Ulmaceae as claimed in claim 1, it is characterised in that

The deep regional evaluating production capacity method of south Ulmaceae is also needed to carry out inside development old filed and periphery stereo progressiveness, complete with reference to well pattern Kind, cloth bores Efficient Development well, further evaluates old filed stable yields resource；Specifically include：

Strata Comparison, redefines standard well and control methods repeatedly；

4. the deep southern regional evaluating production capacity method of Ulmaceae as claimed in claim 1, it is characterised in that further strengthen lithology construction In the evaluation of oil-gas reservoir, structural deposit rolling prospecting is evaluated, with Fault-block trap and the feelings for the zone for finding structural deposit Condition, strengthens the evaluation of subtle pool.

5. the deep southern regional evaluating production capacity method of Ulmaceae as claimed in claim 1, it is characterised in that strengthen old prospect pit production capacity point Analysis, to there is the fuel-displaced point of the not pilot production of evaluative meaning to carry out pilot production, there is provided Appreciation gist.