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CN207048758U - A kind of oil shale underground in situ splitting cracking constructing device - Google Patents

A kind of oil shale underground in situ splitting cracking constructing device Download PDF

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Publication number
CN207048758U
CN207048758U CN201720694544.1U CN201720694544U CN207048758U CN 207048758 U CN207048758 U CN 207048758U CN 201720694544 U CN201720694544 U CN 201720694544U CN 207048758 U CN207048758 U CN 207048758U
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China
Prior art keywords
oil
cracking
splitting
electrode collar
shale
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Expired - Fee Related
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CN201720694544.1U
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Chinese (zh)
Inventor
潘殿琦
李�瑞
吴银柱
彭第
黄非
徐瑞
刘丽莎
王要峰
李振龙
杨书红
欧阳著
徐鑫
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Changchun Institute Technology
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Changchun Institute Technology
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Abstract

The utility model discloses a kind of oil shale underground in situ to cleave cracking constructing device, including splitting device part and cracker part;Splitting device part includes slurries device, conveying device and injection apparatus;Cracker part includes pyrolysis installation, iontophoresis device and oil rig;Pyrolysis installation includes power supply unit, electrical bar and supply line, and wherein power supply unit is electrically connected by supply line with electrical bar, in electrical bar insertion cracking technology well;Iontophoresis device includes cracking technology well electrode collar, oil well electrode collar, power supply unit and supply line;Cracking technology well electrode collar is set to negative pole, oil well electrode collar is set to positive pole, and cracking technology well electrode collar, oil well electrode collar are electrically connected by supply line with power supply unit respectively.The utility model can be such that the subterranean oil shale through overspray splitting powdering fully cracks, and shale oil is continuously flowed into as water in abandoned wells, realize that oil shale is continuously exploited.

Description

A kind of oil shale underground in situ splitting cracking constructing device
Technical field
Shale oil exploitation field is the utility model is related to, more particularly to a kind of oil shale underground in situ splitting cracking construction dress Put.
Background technology
Shale oil development technique has at present:1. electric-heating technology, i.e., oil shale formation is electrically heated by heated well, Make shale oil-breaking and enter in producing well, then extract the technology of shale oil out;2. fluid heating technique, i.e., by heated well to oil Shale conveys high temperature fluid, makes shale oil-breaking and enters in producing well, then extracts the technology of shale oil out;3. radiant heating skill Art, i.e., similar " micro-wave oven " mode of heating is taken oil shale formation by heated well, makes shale oil-breaking and enters producing well In, then extract the technology of shale oil out.Above-mentioned three kinds of technology heating oil shales stratum, make shale oil-breaking and enter producing well when Between in the 1-2 years, or even longer time, let alone the fuel-displaced and continuous exploitation of continuous cracking.
Utility model content
The purpose of this utility model is to overcome above-mentioned problems of the prior art, there is provided a kind of oil shale underground in situ Splitting cracking constructing device, is cleaved by oil shale underground in situ crushing type, makes ground in-situ oil shale holomorphism powdering Grain, fully crack offer environment, then the oil shale underground in situ cracking technique by " electric osmose+heating " for oil shale, make by The subterranean oil shale of injection splitting powdering fully cracks, and shale oil is continuously flowed into as water in abandoned wells, Realize that oil shale is continuously exploited.
The technical solution of the utility model is:A kind of oil shale underground in situ splitting cracking constructing device, including splitting dress Put part and cracker part;The splitting device part includes slurries device, conveying device and injection apparatus, the slurries Device is connected with conveying device, and conveying device is connected with injection apparatus;The slurries device include water tank, additive liquor box, Mixer and slurry storage bucket, water tank and the additive liquor box are connected by pipeline with mixer respectively, mixer It is connected by pipeline with slurry storage bucket;The conveying device includes high-pressure injection pump;The injection apparatus includes spraying tool, The spraying tool includes rig and the drilling rod being connected with rig, and the slurry channels of conveying splitting slurries are provided with inside drilling rod, The nozzle longitudinally helically arranged along drilling rod is offered on the drilling rod;The slurry storage bucket passes through pipeline and high-pressure injection pump Connection, high-pressure injection pump are connected by pipeline with the slurry channels set by drilling rod inside.
The cracker part includes pyrolysis installation, iontophoresis device and oil rig;The pyrolysis installation includes supplying Electric equipment, electrical bar and supply line, wherein power supply unit are electrically connected by supply line with electrical bar, the electrical bar insertion In cracking technology well;The iontophoresis device includes cracking technology well electrode collar, oil well electrode collar, power supply unit and supply line; The cracking technology well electrode collar is set to negative pole, oil well electrode collar is set to positive pole, the cracking technology well electrode collar, oil well electrode Circle is electrically connected by supply line with power supply unit respectively;The oil rig includes oil pick-up tube, oil well pump and fuel reserve tank, described Oil well pump is connected by oil pipeline with fuel reserve tank, and oil well pump is connected with oil pick-up tube, and the oil pick-up tube is installed in producing well.
The beneficial effects of the utility model:In the utility model embodiment, there is provided a kind of oil shale underground in situ is split Constructing device is solved, is cleaved by oil shale underground in situ crushing type, makes ground in-situ oil shale holomorphism powdering particle, for oil Shale fully cracks offer environment, then the oil shale underground in situ cracking technique by " electric osmose+heating ", makes to cleave through overspray The subterranean oil shale of powdering fully cracks, and shale oil is continuously flowed into as water in abandoned wells, realizes oily page Rock is continuously exploited.No matter the height of oil shale oil content, can all realize the continuous exploitation of shale oil.Therefore, the utility model is real The comminuted splitting of oil shale underground in situ is showed, has utilized " electric osmose+heating " cracking technique to crack ground in-situ oil shale, formed Minable shale flow of oil.The utility model has filled up the blank of national oil shale in-situ cracking technique.
Brief description of the drawings
Fig. 1 oil shale underground in situ cracker and construction technology technology schematic diagram;
Fig. 2 is oil shale underground in situ splitting device and technology schematic diagram.
Fig. 3 is oil shale underground in situ splitting device schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings, an embodiment of the present utility model is described in detail, it is to be understood that this The protection domain of utility model is not limited by embodiment.
Oil shale development technique is mainly for ground in-situ oil shale entirety mode of heating at present, yet there are no and " first passes through pair Ground in-situ oil shale cleaves, then the technology with the cracking of " electric osmose+heating " ".
Referring to shown in Fig. 1-3, the utility model provides a kind of oil shale underground in situ splitting cracking constructing device, including Splitting device part and cracker part;The splitting device part includes slurries device, conveying device and injection apparatus, institute State slurries device to be connected with conveying device, conveying device is connected with injection apparatus;The slurries device includes water tank 1, additive Liquor box 2, mixer 3 and slurry storage bucket 4, the water tank 1 and additive liquor box 2 pass through pipeline and mixer respectively 3 connections, mixer 3 are connected by pipeline with slurry storage bucket 4;The conveying device includes high-pressure injection pump 5;The injection dress Put including spraying tool, the spraying tool includes rig 6 and the drilling rod 7 being connected with rig, and the inside of drilling rod 7 is split provided with conveying The slurry channels of slurries are split, the nozzle longitudinally helically arranged along drilling rod is offered on the drilling rod 7;The slurry storage bucket 4 It is connected by pipeline with high-pressure injection pump 5, high-pressure injection pump 5 is connected by pipeline with the slurry channels set by the inside of drilling rod 7.
The cracker part includes pyrolysis installation, iontophoresis device and oil rig;The pyrolysis installation, electric osmose dress Put and oil rig is independently installed and works independently.The pyrolysis installation includes power supply unit, electrical bar and supply line, its Middle power supply unit is electrically connected by supply line with electrical bar, in the electrical bar insertion cracking technology well;The iontophoresis device Including cracking technology well electrode collar, oil well electrode collar, power supply unit and supply line;The cracking technology well electrode collar is set to negative Pole, oil well electrode collar are set to positive pole, and the cracking technology well electrode collar, oil well electrode collar are set by supply line and power supply respectively Standby electrical connection, collectively constitute electric osmose cracking equipment;The oil rig includes oil pick-up tube, oil well pump and fuel reserve tank, described Oil well pump is connected by oil pipeline with fuel reserve tank, and oil well pump is connected with oil pick-up tube, and the oil pick-up tube is installed in producing well.
When the utility model carries out oil shale underground in situ splitting cracking, its construction technology comprises the following steps:
Step 1: carrying out splitting construction, specifically comprise the following steps:
1.1) River Bank Stability:Will splitting slurries additive and water in mass ratio 1:100 ratio is in additional agent solution case Mixed serum is mixed to form, mixed serum stirs by mixer with the water in water tank, flows into slurry storage bucket and cleaved Slurry storage, when spraying tool is crept into and is cleaved, injection channel is delivered to by slurries are cleaved by high-pressure injection pump;The splitting slurry Liquid additive is oil shale electrolyte additive;
1.2) the micro- splitting of ground in-situ is carried out to oil shale to creep into:Spraying tool is used, the low-pressure fuel injection in drilling, from Earth drilling oil shale target zone bottom plate;
1.3) cleaved using churning, ground in-situ high pressure splitting is carried out to oil shale:I.e. at oil shale target zone bottom plate Start high-pressure rotary-spray splitting, spraying tool is carried on side, side churning splitting oil shale layer, is pushed up up in churning to oil shale target zone Plate, single-point churning splitting is terminated;
1.4) multiple splitting:Repeat step 1.2) and step 1.3), until oil shale target zone is cleaved into the size that meets the requirements Bulk;
1.5) next single-point churning splitting is carried out again:Repeat step 1.2), step 1.3), step 1.4).
1.6) each single-point splitting scope is overlapped mutually, and the whole oil shale target zone of mining area is uniformly cleaved frustillatum Or powdery, to be advantageous to the infiltration of the heat energy of subsequent handling wherein, reach fully heating cracking oil shale purpose;
Step 2: carrying out cracking construction, specifically comprise the following steps:
2.1) well construction:Step 1 ground in-situ to the comprehensive splitting of oil shale on the basis of, process well cracking have Imitate in coverage, beat a bite oil well and oil pick-up tube, oil well pump and fuel reserve tank are installed;
2.2) cracking technology well construction:Cracked in oil well periphery process well in effective coverage, make a call to 4 mouthfuls of cracking technologies Well, installation electric osmose pipe, electrical bar and power supply unit;
2.3) thermal cracking:Oil in oil shale is constantly cracked under the heating of electrical bar, forms shale flow of oil, Shale oil is constantly flowed into oil well;
2.4) electric osmose cracks:While thermal cracking, the oil in iontophoresis device oil shale constantly very strong to absorption affinity is real Existing deep pyrolytic, forms shale flow of oil, flows into oil well;
2.5) pump:By oil pick-up tube, oil well pump, oil is exploited.
To sum up, oil shale underground in situ splitting cracking constructing device provided by the utility model, it is former using oil shale underground Position splitting cracking constructing device, pressure-air is carried out to ground in-situ oil shale and water under high pressure rotary high pressure jet sprays, makes oil Shale becomes fritter bulk, and sharp condition is provided with for cracking oil shale.Its technology is:(1) oil shale underground in situ cleaves, Spraying tool is used, from earth drilling oil shale target zone bottom plate, starts churning splitting at bottom plate, equipment, side is carried on side Churning cleaves oil shale layer, until churning terminates to oil shale target zone upper plate, single-point churning splitting.Next point is carried out again Churning splitting, until design point position is had churning to cleave to finish.Each split-point, splitting scope are overlapped mutually, made Whole oil shale target zone uniformly cleaves frustillatum or powdery, is advantageous to heat energy infiltration wherein, reaches fully heating cracked oil Shale purpose;(2) on the basis of ground in-situ is to the comprehensive splitting of oil shale, in certain regional extent, a bite oil well is beaten simultaneously Installation oil pumping pipeline, pumping unit and electric osmose pipe;In the certain limit of oil well periphery, 4 schistostoma solution process wells are made a call to, electric osmose is installed Pipe, electrical bar and electric supply installation.Oil in oil shale is constantly cracked under the heating of electrical bar, at the same time, electric osmose dress Put the oil in oil shale constantly very strong to absorption affinity and realize deep pyrolytic, form shale flow of oil, flow into oil well, pass through Oil pumping equipment, exploits oil.Oil shale underground in situ cleaves cracker and technology is shown in Fig. 1.
Therefore, a kind of oil shale underground in situ splitting cracking constructing device that the utility model embodiment provides, passes through oil Shale ground in-situ crushing type is cleaved, and makes ground in-situ oil shale holomorphism powdering particle, and offer is fully cracked for oil shale Environment, then the oil shale underground in situ cracking technique by " electric osmose+heating ", make the subterranean oil page through overspray splitting powdering Rock fully cracks, and shale oil is continuously flowed into as water in abandoned wells, realizes that oil shale is continuously exploited.It is no matter oily The height of shale oil content, it can all realize the continuous exploitation of shale oil.Therefore, the utility model realizes oil shale underground in situ Comminuted splitting, utilize " electric osmose+heating " cracking technique to crack ground in-situ oil shale, form minable shale oil stream Body.The utility model has filled up the blank of national oil shale in-situ cracking technique.
Disclosed above is only several specific embodiments of the present utility model, and still, the utility model embodiment is not office It is limited to this, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.

Claims (2)

1. a kind of oil shale underground in situ splitting cracking constructing device, it is characterised in that filled including splitting device part and cracking Put part;
The cracker part includes pyrolysis installation, iontophoresis device and oil rig;
The pyrolysis installation includes power supply unit, electrical bar and supply line, and wherein power supply unit passes through supply line and electric heating Rod electrically connects, in the electrical bar insertion cracking technology well;
The iontophoresis device includes cracking technology well electrode collar, oil well electrode collar, power supply unit and supply line;The cracking work Skill well electrode collar is set to negative pole, oil well electrode collar is set to positive pole, and the cracking technology well electrode collar, oil well electrode collar pass through respectively Supply line electrically connects with power supply unit;
The oil rig includes oil pick-up tube, oil well pump and fuel reserve tank, and the oil well pump is connected by oil pipeline with fuel reserve tank Connect, oil well pump is connected with oil pick-up tube, and the oil pick-up tube is installed in producing well.
A kind of 2. oil shale underground in situ splitting cracking constructing device as claimed in claim 1, it is characterised in that the splitting Device part includes slurries device, conveying device and injection apparatus, and the slurries device is connected with conveying device, conveying device with Injection apparatus connects;
The slurries device includes water tank (1), additive liquor box (2), mixer (3) and slurry storage bucket (4), the water Case (1) and additive liquor box (2) are connected by pipeline with mixer (3) respectively, and mixer (3) is stored up by pipeline and slurries Deposit bucket (4) connection;
The conveying device includes high-pressure injection pump (5);
The injection apparatus includes spraying tool, and the spraying tool includes rig (6) and the drilling rod (7) being connected with rig, The slurry channels of conveying splitting slurries are provided with inside drilling rod (7), offers on the drilling rod (7) along drilling rod and longitudinally helically arranges Nozzle;
The slurry storage bucket (4) is connected by pipeline with high-pressure injection pump (5), and high-pressure injection pump (5) passes through pipeline and drilling rod (7) the slurry channels connection set by inside.
CN201720694544.1U 2017-06-14 2017-06-14 A kind of oil shale underground in situ splitting cracking constructing device Expired - Fee Related CN207048758U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107060717A (en) * 2017-06-14 2017-08-18 长春工程学院 A kind of oil shale underground in situ splitting cracking constructing device and construction technology
CN110593835A (en) * 2019-10-09 2019-12-20 中国石油大学(华东) Method for in-situ modification exploitation of shale oil by heating shale oil reservoir through electric field

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107060717A (en) * 2017-06-14 2017-08-18 长春工程学院 A kind of oil shale underground in situ splitting cracking constructing device and construction technology
CN107060717B (en) * 2017-06-14 2023-02-07 长春工程学院 Oil shale underground in-situ cleavage cracking construction device and construction process
CN110593835A (en) * 2019-10-09 2019-12-20 中国石油大学(华东) Method for in-situ modification exploitation of shale oil by heating shale oil reservoir through electric field

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Granted publication date: 20180227

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