CN107313773A - It is a kind of to determine method of the interior temporarily stall of seam to required plugging strength - Google Patents
It is a kind of to determine method of the interior temporarily stall of seam to required plugging strength Download PDFInfo
- Publication number
- CN107313773A CN107313773A CN201710772281.6A CN201710772281A CN107313773A CN 107313773 A CN107313773 A CN 107313773A CN 201710772281 A CN201710772281 A CN 201710772281A CN 107313773 A CN107313773 A CN 107313773A
- Authority
- CN
- China
- Prior art keywords
- mrow
- msub
- fracture
- seam
- intrinsic fracture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000977 initiatory effect Effects 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 230000009466 transformation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Method of the interior temporarily stall of seam to required plugging strength is determined the invention discloses a kind of, wherein, including：Collect target reservoir, the data that open mode computation models different from intrinsic fracture are related；The different open mode computation models interacted based on intrinsic fracture and hydraulic fracture, are obtained each intrinsic fracture in target reservoir and open required a variety of net pressure p in different modalities1；To acquired a variety of net pressure p1Optimize, to obtain optimal net pressure p1’；The net pressure p that can be reached in man-made fracture when calculating temporarily stifled in without seam2；And determine seam in temporarily stall to required plugging strength be p1' and p2Difference.Scene is instructed quickly and easily to determine method of the interior temporarily stall of seam to required plugging strength the invention provides a kind of, so as to more reliably select well, select well and preferred diverting agent formula and consumption.
Description
Technical field
Interior temporarily stall is stitched to the side of required plugging strength the present invention relates to petroleum works field, more particularly to a kind of determination
Method.
Background technology
In the transformation of oil field unconventional reservoir, temporarily stall is provided for new vitality to fracturing technology in seam, drops
Low improvement cost, improves transformation efficiency.Temporarily stall is specifically referred in fracturing process to fracturing technology in seam, and addition can drop
Plugging material (fiber and Particles dispersed) is solved, is blocked in end or the seam of man-made fracture, the injection of follow-up fracturing fluid can be carried significantly
Height seam in net pressure, when seam in net pressure reach the Opening pressure of intrinsic fracture when, substantial amounts of intrinsic fracture will be unlocked and
Branch seam is produced there is provided the development degree in layer, and then improves transformation efficiency.After construction terminates, plugging material can degrade, and return
Ground is drained into, so that the injury of reservoir will not be caused, the purpose of cleaning transformation is reached.
At present at the scene during practice of construction, also determined without reliable, quick method in seam temporarily stall to
Required plugging strength.Site operation is more empirically, it is unclear which interval of which well is adapted to the interior temporarily stall of seam to such as
The intrinsic fracture of some reservoirs is easier to open and realize and turn in seam, and these intrinsic fractures will make full use of；Some reservoirs
Intrinsic fracture be difficult to be unlocked, now, to avoid using in seam temporarily stall to technique.Meanwhile, for preferred diverting agent formula
And consumption reaches target plugging strength, lack effective instruct.
The content of the invention
It is an object of the invention to provide one kind scene can be instructed quickly and easily to determine the interior temporarily stall of seam to required envelope
The method of stifled intensity.
To achieve the above object, specific skill of the interior temporarily stall to the method for required plugging strength is stitched in a kind of determination of the invention
Art scheme is：
It is a kind of to determine method of the interior temporarily stall of seam to required plugging strength, wherein, including：Collect target reservoir and day
The related data of right crack difference open mode computation model；The different unlatchings interacted based on intrinsic fracture and hydraulic fracture
Mode computation model, obtains each intrinsic fracture in target reservoir and opens required a variety of net pressure p in different modalities1；It is right
Acquired a variety of net pressure p1Optimize, to obtain optimal net pressure p1’；Manually split when calculating temporarily stifled in without seam
The net pressure p that can be reached in seam2；And determine seam in temporarily stall to required plugging strength be p1' and p2Difference.
Temporarily advantage of the stall to the method for required plugging strength is in a kind of determination seam of the present invention：Refer to there is provided one kind
The scene of leading quickly and easily determines method of the interior temporarily stall of seam to required plugging strength, so as to more reliably select well, select well
And preferably diverting agent formula and consumption.
Brief description of the drawings
Method flow diagrams of the Fig. 1 for temporary stall plugging strength needed in determination seam of the invention；
Synthesis plates of the Fig. 2 for crack of the invention under different opening ways；
Fig. 3 is the sectional view of the software programming of the present invention.
Embodiment
In order to be better understood by the purpose of the present invention, structure and function, below in conjunction with the accompanying drawings, a kind of of the present invention is determined
Temporarily the method for stall to required plugging strength does further detailed description in seam.
Temporarily stall refers to add temporarily stifled material in the end of fracture or seam in work progress to required plugging strength in seam
Material is blocked, to lift net pressure until opening substantial amounts of intrinsic fracture.Fine pressure force value p1(temporarily stifled material opens a large amount of for addition
Net pressure after the lifting of intrinsic fracture) with blocking up the fine pressure force value p that can be reached in material seam without temporary2Difference be seam in temporarily
Stall is to required plugging strength (p1-p2),
As shown in figure 1, the present invention is provided in a kind of determination seam, temporarily stall is to the method for required plugging strength, and it includes：
The first step, collects target reservoir, the data that open mode computation models different from intrinsic fracture are related；
Second step, the different open mode computation models interacted based on intrinsic fracture and hydraulic fracture obtain target
Each intrinsic fracture in reservoir opens required a variety of net pressure p in different modalities1；
3rd step, to acquired a variety of net pressure p1Optimize, to obtain optimal net pressure p1’；
4th step, the net pressure p that can be reached in man-made fracture when calculating temporarily stifled in without seam2；And
5th step, it is determined that seam in temporarily stall to required plugging strength be p1' and p2Difference.
Specifically, in the above-mentioned first step, target reservoir, open modes calculating moulds different from intrinsic fracture are collected
The related data of type, including data below：The maximum horizontal principal stress σ of target reservoir1, minimum horizontal principal stress σ3, rock tension
Intensity To, intrinsic fracture face cohesive strength Sw, intrinsic fracture face coefficient of internal friction μw, intrinsic fracture trend and maximum horizontal principal stress
The pressure drop Δ of angle theta, hydraulic fracture and intrinsic fracture intersection to crack tippnf。
Further, in above-mentioned second step, based on extensional crack initiation and mole coulomb criterion, intrinsic fracture and waterpower are provided
Crack four interactions pattern, intrinsic fracture includes following from the different open mode computation models that hydraulic fracture interacts
Four kinds of patterns：
Pattern one, the computation model that intrinsic fracture shearing is opened：
Pattern two, the computation model that intrinsic fracture expansion is opened：
Pattern three, the computation model that hydraulic fracture is passed through and opened by intrinsic fracture：
Pattern four, the computation model that intrinsic fracture is opened by hydraulic fracture along the crack initiation of intrinsic fracture end：
Wherein, σ1For maximum horizontal principal stress, unit is MPa；σ3For minimum horizontal principal stress, unit is MPa；σ1-σ3For
Horizontal principal stress is poor；pnetFor net pressure, unit is MPa；SwFor intrinsic fracture face cohesive strength, unit is MPa；μwIt is intrinsic fracture
Face coefficient of internal friction, decimal；θ be intrinsic fracture trend with maximum horizontal principal stress angle, unit for °；To is rock body
Tensile strength, unit is MPa；ΔpnfBe hydraulic fracture and intrinsic fracture intersection to the pressure drop of crack tip, unit is MPa.
Based on the different open mode computation models of above-mentioned intrinsic fracture, all intrinsic fractures in reservoir are plotted to plate
It is interior, set up comprehensive plate under the different opening ways of intrinsic fracture.As shown in Fig. 2 comprehensive plate is with intrinsic fracture trend and maximum
The angle of horizontal principal stress is that abscissa, horizontal principal stress difference are that ordinate is drawn and is directed to various intrinsic fracture regions, in synthesis
The different open modes in the following crack of eight Regional Representative are formed in plate：
Region is 1.：Intrinsic fracture can be sheared and expand unlatching (region marked in Fig. 2 with sloped triangular shape)；
Region is 2.：Intrinsic fracture can shear unlatching (region marked in Fig. 2 with Right deviation skew lines)；
Region is 3.：Intrinsic fracture can be opened and (marked in Fig. 2 with rhombus along the crack initiation of intrinsic fracture end by hydraulic fracture
Region)；
Region is 4.：Intrinsic fracture can expand unlatching (region marked in Fig. 2 with left-leaning skew lines)；
Region is 5.：Intrinsic fracture can not be unlocked in (region marked in Fig. 2 with del) under current net pressure；
Region is 6.：Intrinsic fracture can be opened (with rectangle mark in Fig. 2 by hydraulic fracture along the crack initiation of intrinsic fracture end
The region of note)；
Region is 7.：Intrinsic fracture can expand unlatching and be passed through by hydraulic fracture and open the (area marked in Fig. 2 with circle
Domain)；
Region is 8.：Intrinsic fracture can be passed through by hydraulic fracture and opened in (region marked in Fig. 2 with blank).
Base area stress data and intrinsic fracture intensive parameter, opening ways different to intrinsic fracture are drawn by intrinsic fracture
Under synthesis plate in.By above-mentioned zone, when being optimized to acquired a variety of net pressures, by comprehensive plate to
Family is visualized.
In addition, comprehensive plate speed-generating program under the different opening ways of establishment hydraulic fracture, as shown in figure 3, by soft
The mode of part programming draws the comprehensive plate and acquired a variety of net pressures is optimized, so as to faster
The comprehensive plate of generation.
Further, in the 3rd above-mentioned step, to acquired a variety of net pressure p1Optimize, to obtain optimal fine pressure
Power p1', optimal net pressure p1' it is to make most intrinsic fractures in the intrinsic fracture in the way of shearing and open and expand unlatching
The net pressure of unlatching.As shown in figure 3, program can be generated by above-mentioned synthesis plate, change net pressure p1, day is drawn repeatedly
Synthesis plate region under the different opening ways in right crack 1. in, until a large amount of intrinsic fractures are to shear, expansion fashion is opened, read
Take net pressure p1’。
Further, in the 4th above-mentioned step, what can be reached in man-made fracture when calculating temporarily stifled in without seam is net
Pressure p2, after the interior fluid-flow pressure drop of seam and crack tip liquid hysteresis effect is considered, p2To rely on lifting construction discharge capacity
And net pressure in the seam that can reach of fracturing fluid viscosity.Wherein, net pressure p in the seam is calculated by following formula2：
Wherein, p2For net pressure in seam, unit is MPa；ptipFor fracture tip net pressure；κ is constant, and ellipse stitches it
It is worth for 16/ π；E ' is rock plane modulus, E '=E/ (1- ν2)；E is elastic modulus of rock, and unit is MPa；ν is Poisson's ratio；xf
For fracture half-length, unit is m；μ is the apparent viscosity of injection liquid, and unit is mpa*s, and q is injection discharge capacity, and unit is m3/
min；hfRepresent that seam is high, unit is m.
Further, in above-mentioned 5th step, by by obtained optimal net pressure p1' and net pressure p2Subtract each other, p1-p2I.e.
It can calculate and required plugging strength is temporarily blocked up in seam.
Temporarily stall instructs scene fast to the method for required plugging strength there is provided one kind in a kind of determination seam of the present invention
Method of the interior temporarily stall to required plugging strength is stitched in speed, easily determination, so as to more reliably select well, select well and preferably temporary
Blocking agent is formulated and consumption.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction to the spirit and scope of the invention, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment, belong to the scope that the present invention is protected.
Claims (8)
1. a kind of determine method of the interior temporarily stall of seam to required plugging strength, wherein, including：
Collect target reservoir, the data that open mode computation models different from intrinsic fracture are related；
The different open mode computation models interacted based on intrinsic fracture and hydraulic fracture, obtain target reservoir in each
Intrinsic fracture opens required a variety of net pressure p in different modalities1；
To acquired a variety of net pressure p1Optimize, to obtain optimal net pressure p1’；
The net pressure p that can be reached in man-made fracture when calculating temporarily stifled in without seam2；And
It is determined that seam in temporarily stall to required plugging strength be p1' and p2Difference.
2. according to claim 1 determine method of the interior temporarily stall of seam to required plugging strength, wherein, target reservoir,
The related data of open mode computation models different from intrinsic fracture include：The maximum horizontal principal stress σ of target reservoir1, it is minimum
Horizontal principal stress σ3, Tensile Strength of Rock To, intrinsic fracture face cohesive strength Sw, intrinsic fracture face coefficient of internal friction μw, intrinsic fracture
Trend and the pressure drop Δ p of maximum horizontal principal stress angle theta, hydraulic fracture and intrinsic fracture intersection to crack tipnf。
3. according to claim 1 determine method of the interior temporarily stall of seam to required plugging strength, wherein, intrinsic fracture and water
The different open mode computation models of power crack interaction include：
The computation model that intrinsic fracture shearing is opened：
<mrow>
<msub>
<mi>&sigma;</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<msub>
<mi>&sigma;</mi>
<mn>3</mn>
</msub>
<mo>></mo>
<mfrac>
<mrow>
<mn>2</mn>
<msub>
<mi>S</mi>
<mi>w</mi>
</msub>
<mo>-</mo>
<mn>2</mn>
<msub>
<mi>&mu;</mi>
<mi>w</mi>
</msub>
<msub>
<mi>p</mi>
<mrow>
<mi>n</mi>
<mi>e</mi>
<mi>t</mi>
</mrow>
</msub>
</mrow>
<mrow>
<mi>s</mi>
<mi>i</mi>
<mi>n</mi>
<mn>2</mn>
<mi>&theta;</mi>
<mo>+</mo>
<msub>
<mi>&mu;</mi>
<mi>w</mi>
</msub>
<mi>c</mi>
<mi>o</mi>
<mi>s</mi>
<mn>2</mn>
<mi>&theta;</mi>
<mo>-</mo>
<msub>
<mi>&mu;</mi>
<mi>w</mi>
</msub>
</mrow>
</mfrac>
</mrow>
The computation model that intrinsic fracture expansion is opened：
<mrow>
<mo>(</mo>
<msub>
<mi>&sigma;</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<msub>
<mi>&sigma;</mi>
<mn>3</mn>
</msub>
<mo>)</mo>
<mo><</mo>
<mfrac>
<mrow>
<mn>2</mn>
<msub>
<mi>p</mi>
<mrow>
<mi>n</mi>
<mi>e</mi>
<mi>t</mi>
</mrow>
</msub>
</mrow>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
<mi>c</mi>
<mi>o</mi>
<mi>s</mi>
<mn>2</mn>
<mi>&theta;</mi>
<mo>)</mo>
</mrow>
</mfrac>
</mrow>
The computation model that hydraulic fracture is passed through and opened by intrinsic fracture：
<mrow>
<mo>(</mo>
<msub>
<mi>&sigma;</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<msub>
<mi>&sigma;</mi>
<mn>3</mn>
</msub>
<mo>)</mo>
<mo><</mo>
<mfrac>
<mrow>
<mn>2</mn>
<mrow>
<mo>(</mo>
<msub>
<mi>p</mi>
<mrow>
<mi>n</mi>
<mi>e</mi>
<mi>t</mi>
</mrow>
</msub>
<mo>-</mo>
<msub>
<mi>T</mi>
<mi>o</mi>
</msub>
<mo>)</mo>
</mrow>
</mrow>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>+</mo>
<mi>c</mi>
<mi>o</mi>
<mi>s</mi>
<mn>2</mn>
<mi>&theta;</mi>
<mo>)</mo>
</mrow>
</mfrac>
</mrow>
The computation model that intrinsic fracture is opened by hydraulic fracture along the crack initiation of intrinsic fracture end：
<mrow>
<mo>(</mo>
<msub>
<mi>&sigma;</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<msub>
<mi>&sigma;</mi>
<mn>3</mn>
</msub>
<mo>)</mo>
<mo><</mo>
<mfrac>
<mrow>
<mn>2</mn>
<mrow>
<mo>(</mo>
<msub>
<mi>p</mi>
<mrow>
<mi>n</mi>
<mi>e</mi>
<mi>t</mi>
</mrow>
</msub>
<mo>-</mo>
<msub>
<mi>T</mi>
<mi>o</mi>
</msub>
<mo>-</mo>
<msub>
<mi>&Delta;p</mi>
<mrow>
<mi>n</mi>
<mi>f</mi>
</mrow>
</msub>
<mo>)</mo>
</mrow>
</mrow>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
<mi>cos</mi>
<mn>2</mn>
<mi>&theta;</mi>
<mo>)</mo>
</mrow>
</mfrac>
</mrow>
Wherein, σ1-σ3It is poor for horizontal principal stress.
4. according to claim 3 determine method of the interior temporarily stall of seam to required plugging strength, wherein, optimal net pressure p1’
To make the net pressure that most intrinsic fractures in the intrinsic fracture are opened in the way of shearing unlatching and expansion unlatching.
5. in the determination seam described in any one in claim 1-4 method from temporary stall to required plugging strength, its
In, the net pressure p that can be reached in man-made fracture when interior temporarily stifled without seam2To rely on lifting construction discharge capacity and fracturing fluid
Net pressure in the seam that viscosity can reach.
6. according to claim 5 determine method of the interior temporarily stall of seam to required plugging strength, wherein, calculated by following formula
Net pressure p in the seam2：
<mrow>
<msub>
<mi>p</mi>
<mn>2</mn>
</msub>
<mo>=</mo>
<msup>
<mrow>
<mo>&lsqb;</mo>
<mfrac>
<msup>
<mi>E</mi>
<mrow>
<mo>&prime;</mo>
<mn>3</mn>
</mrow>
</msup>
<msubsup>
<mi>h</mi>
<mi>f</mi>
<mn>4</mn>
</msubsup>
</mfrac>
<mrow>
<mo>(</mo>
<mrow>
<msub>
<mi>&kappa;&mu;qx</mi>
<mi>f</mi>
</msub>
</mrow>
<mo>)</mo>
</mrow>
<mo>+</mo>
<msubsup>
<mi>p</mi>
<mrow>
<mi>t</mi>
<mi>i</mi>
<mi>p</mi>
</mrow>
<mn>4</mn>
</msubsup>
<mo>&rsqb;</mo>
</mrow>
<mrow>
<mn>1</mn>
<mo>/</mo>
<mn>4</mn>
</mrow>
</msup>
</mrow>
Wherein, ptipFor fracture tip net pressure；κ is constant；E ' is rock plane modulus, E '=E/ (1- ν2)；E is rock elasticity
Modulus；ν is Poisson's ratio；xfFor fracture half-length；μ is the apparent viscosity of injection liquid；Q is injection discharge capacity；hfRepresent that seam is high.
7. method of the interior temporarily stall to required plugging strength is stitched in the determination according to claim 3 or 4, wherein, in addition to：
It is that ordinate drafting is directed to as abscissa, horizontal principal stress difference to be moved towards using intrinsic fracture with the angle of maximum horizontal principal stress
The synthesis plate of various intrinsic fractures, forms the different open modes in the following crack of eight Regional Representative in comprehensive plate：
Region is 1.：Intrinsic fracture can be sheared and expand unlatching；
Region is 2.：Intrinsic fracture can shear unlatching；
Region is 3.：Intrinsic fracture can be opened by hydraulic fracture along the crack initiation of intrinsic fracture end；
Region is 4.：Intrinsic fracture can expand unlatching；
Region is 5.：Intrinsic fracture can not be unlocked under current net pressure；
Region is 6.：Intrinsic fracture can be opened by hydraulic fracture along the crack initiation of intrinsic fracture end；
Region is 7.：Intrinsic fracture can expand unlatching and be passed through and opened by hydraulic fracture；
Region is 8.：Intrinsic fracture can be passed through and opened by hydraulic fracture；
When being optimized to acquired a variety of net pressures, visualized by comprehensive plate to user.
8. according to claim 7 determine method of the interior temporarily stall of seam to required plugging strength, wherein, pass through software programming
Mode draw the comprehensive plate and acquired a variety of net pressures optimized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772281.6A CN107313773B (en) | 2017-08-31 | 2017-08-31 | Method for determining plugging strength required by temporary plugging steering in seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772281.6A CN107313773B (en) | 2017-08-31 | 2017-08-31 | Method for determining plugging strength required by temporary plugging steering in seam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313773A true CN107313773A (en) | 2017-11-03 |
| CN107313773B CN107313773B (en) | 2020-09-22 |
Family
ID=60177021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710772281.6A Active CN107313773B (en) | 2017-08-31 | 2017-08-31 | Method for determining plugging strength required by temporary plugging steering in seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313773B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362860A (en) * | 2018-02-08 | 2018-08-03 | 中国石油天然气股份有限公司 | Indoor testing method for tight sandstone steering fracturing feasibility |
| CN109372466A (en) * | 2018-10-10 | 2019-02-22 | 中国石油天然气股份有限公司华北油田分公司 | The temporary stifled forward method of liquid-solid-liquid phase state conversion is realized using natural Temperature Field |
| CN110185427A (en) * | 2019-05-10 | 2019-08-30 | 西南石油大学 | Intrinsic fracture opens the acquisition methods on opportunity under the conditions of temporarily blocking up in a kind of seam |
| CN111980652A (en) * | 2020-08-25 | 2020-11-24 | 中国石油大学(北京) | Method for determining type, size combination and dosage of temporary plugging agent in seam |
| CN112065351A (en) * | 2020-08-25 | 2020-12-11 | 中国石油大学(北京) | Integrated determination method, device and equipment for temporary plugging body information in hydraulic fracture |
| CN113468831A (en) * | 2021-07-19 | 2021-10-01 | 西南石油大学 | Design method for using amount of temporary plugging material in fracturing fracture |
| CN114508334A (en) * | 2020-11-17 | 2022-05-17 | 中国石油化工股份有限公司 | Karst cave circular seam channel technology determination method based on three-dimensional ground stress field distribution |
| CN114592823A (en) * | 2020-12-04 | 2022-06-07 | 中国石油天然气股份有限公司 | Method for determining dosage of temporary blocking steering material and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020984A (en) * | 2009-09-15 | 2011-04-20 | 中国石油天然气股份有限公司 | Diversion fracturing temporary plugging agent in low-permeability oilfield joints and preparation method and application thereof |
| CN103306660A (en) * | 2012-03-13 | 2013-09-18 | 中国石油化工股份有限公司 | Shale gas reservoir hydraulic fracturing production increasing method |
| CN106869892A (en) * | 2017-03-15 | 2017-06-20 | 西南石油大学 | The determination methods of temporarily stifled crack initiation in a kind of refractured well seam |
-
2017
- 2017-08-31 CN CN201710772281.6A patent/CN107313773B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020984A (en) * | 2009-09-15 | 2011-04-20 | 中国石油天然气股份有限公司 | Diversion fracturing temporary plugging agent in low-permeability oilfield joints and preparation method and application thereof |
| CN103306660A (en) * | 2012-03-13 | 2013-09-18 | 中国石油化工股份有限公司 | Shale gas reservoir hydraulic fracturing production increasing method |
| CN106869892A (en) * | 2017-03-15 | 2017-06-20 | 西南石油大学 | The determination methods of temporarily stifled crack initiation in a kind of refractured well seam |
Non-Patent Citations (4)
| Title |
|---|
| WARPINSKI, N.R.等: "Influence of Geologic Discontinuities on Hydraulic Fracture Propagation", 《JOURNAL OF PETROLEUM TECHNOLOGY》 * |
| 王在玉等: "安塞油田暂堵压裂裂缝转向研究", 《辽宁化工》 * |
| 苏良银等: "低渗透油田暂堵重复压裂堵剂用量优化与现场试验", 《断块油气田》 * |
| 赵金洲等: "页岩储层压裂缝成网延伸的受控因素分析", 《西南石油大学学报（自然科学版）》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362860A (en) * | 2018-02-08 | 2018-08-03 | 中国石油天然气股份有限公司 | Indoor testing method for tight sandstone steering fracturing feasibility |
| CN108362860B (en) * | 2018-02-08 | 2021-04-30 | 中国石油天然气股份有限公司 | Indoor testing method for tight sandstone steering fracturing feasibility |
| CN109372466A (en) * | 2018-10-10 | 2019-02-22 | 中国石油天然气股份有限公司华北油田分公司 | The temporary stifled forward method of liquid-solid-liquid phase state conversion is realized using natural Temperature Field |
| CN109372466B (en) * | 2018-10-10 | 2020-10-27 | 中国石油天然气股份有限公司华北油田分公司 | Temporary blocking steering method for realizing liquid-solid-liquid phase state conversion by utilizing natural geothermal field |
| CN110185427A (en) * | 2019-05-10 | 2019-08-30 | 西南石油大学 | Intrinsic fracture opens the acquisition methods on opportunity under the conditions of temporarily blocking up in a kind of seam |
| CN110185427B (en) * | 2019-05-10 | 2020-06-30 | 西南石油大学 | Method for acquiring natural crack opening time under condition of temporary plugging in crack |
| CN112065351A (en) * | 2020-08-25 | 2020-12-11 | 中国石油大学(北京) | Integrated determination method, device and equipment for temporary plugging body information in hydraulic fracture |
| CN111980652A (en) * | 2020-08-25 | 2020-11-24 | 中国石油大学(北京) | Method for determining type, size combination and dosage of temporary plugging agent in seam |
| CN114508334A (en) * | 2020-11-17 | 2022-05-17 | 中国石油化工股份有限公司 | Karst cave circular seam channel technology determination method based on three-dimensional ground stress field distribution |
| CN114508334B (en) * | 2020-11-17 | 2024-05-31 | 中国石油化工股份有限公司 | Karst cave seam-following communication technology determining method based on three-dimensional ground stress field distribution |
| CN114592823A (en) * | 2020-12-04 | 2022-06-07 | 中国石油天然气股份有限公司 | Method for determining dosage of temporary blocking steering material and application |
| CN114592823B (en) * | 2020-12-04 | 2024-06-25 | 中国石油天然气股份有限公司 | Method for determining use amount of temporary plugging steering material and application |
| CN113468831A (en) * | 2021-07-19 | 2021-10-01 | 西南石油大学 | Design method for using amount of temporary plugging material in fracturing fracture |
| CN113468831B (en) * | 2021-07-19 | 2023-07-21 | 西南石油大学 | Method for designing dosage of temporary plugging material in fracture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107313773B (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107313773A (en) | It is a kind of to determine method of the interior temporarily stall of seam to required plugging strength | |
| CN106281272B (en) | A kind of fracture-type reservoir bridge joint sealing agent and the preparation method and application thereof | |
| CN103437746B (en) | A kind of many seam volume fracturing methods in horizontal well multistage section | |
| CN207260136U (en) | Ultra-deep bored pile borehole cleaning system | |
| CN103788936B (en) | A kind of high strength Oil/gas Well diverting agent, preparation and application thereof | |
| CN106194145A (en) | A kind of the most stifled multistage degree of depth network acid fracturing method | |
| CN204551427U (en) | A kind of novel plastic band drain construction equipment | |
| CN109267985A (en) | Control method for using amount of temporary plugging agent for temporary plugging steering fracturing | |
| CN101737029A (en) | Crude oil extraction method capable of effectively utilizing ultra-low permeability reservoir bed | |
| CN109933845A (en) | A kind of unlatching range computation method of intrinsic fracture when temporarily stifled pressure break | |
| CN106087994A (en) | A kind of high pressure jet grouting pore-forming dado structure and construction method thereof | |
| CN108505967A (en) | Experimental provision is temporarily blocked up in a kind of oil/gas well eyelet and crack | |
| CN110344809A (en) | Horizontal well intersegment multi-slit temporary plugging acidification method | |
| CN105838347B (en) | It is a kind of improve compact oil reservoir percolation ability angry system and its application | |
| CN107387035A (en) | Gas injection High Pressure Drain system in a kind of well | |
| CN106958437A (en) | A kind of wellfracturing improves recovery ratio new method | |
| CN203978409U (en) | Tubing string for back-up sand separate stratum fracfturing technique | |
| CN207513626U (en) | A kind of ground extraction coal-bed gas device | |
| CN206617152U (en) | A kind of oil well work-in-progress control treatment process system | |
| CN208089262U (en) | Experimental provision is temporarily blocked up in a kind of oil/gas well eyelet and crack | |
| CN105888604B (en) | Method suitable for repeatedly transforming near-wellbore stratum permanent plugging of old well of low-pressure gas field | |
| CN206815410U (en) | A kind of experimental rig of indoor full automatic simulation cement mixing method | |
| CN105863717A (en) | Method for preventing rib spalling by injecting water to soft coal seam mining face | |
| CN204921352U (en) | Sump pit precipitation water pump end connection structure | |
| CN110513094A (en) | A kind of Variable Composition carbon dioxide acid fracturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |