CN203515536U - Fluid alternate continuous pumping device for hydraulic fracture simulation experiment - Google Patents
Fluid alternate continuous pumping device for hydraulic fracture simulation experiment Download PDFInfo
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- CN203515536U CN203515536U CN201320538417.4U CN201320538417U CN203515536U CN 203515536 U CN203515536 U CN 203515536U CN 201320538417 U CN201320538417 U CN 201320538417U CN 203515536 U CN203515536 U CN 203515536U
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Abstract
The utility model provides a fluid alternate continuous pumping device for a hydraulic fracture simulation experiment. The fluid alternate continuous pumping device for the hydraulic fracture simulation experiment comprises a pump (1), a first high-pressure vessel tank (81) and a second high-pressure vessel tank (82). One end of the first high-pressure vessel tank (81) and one end of the second high-pressure vessel tank (82) are connected with the pump (1) in parallel. Fluid in the first high-pressure vessel tank (81) and the second high-pressure vessel tank (82) can be discharged by the pump (1). Hydraulic fracture crack initiation and expansion forms of at least two types of hydraulic fracture fluid under the alternate continuous pumping technology condition can be researched through the fluid alternate continuous pumping device, various hydraulic fracture technologies such as fracturing fluid sand-carrying section plugging type injection, fiber temporary plugging hydraulic fracture and multi-stage acid fracturing pumping injection can be truly simulated through the fluid alternate continuous pumping device, and the fluid alternate continuous pumping device for the hydraulic fracture simulation experiment is used for guiding optimized design of the technologies in field implementation.
Description
Technical field
The utility model relates to the experimental facilities field that in oil field development field, Hydraulic Fracturing Techniques Used research institute uses, and particularly a kind of fluid for fracturing simulated experiment is alternately continuously pumped into device.
Background technology
At present along with shale gas, coal bed gas, the large-scale development of the unconventional oil-gas reservoir such as tight gas, due to the complexity of its reservoir geology condition, conventional hydraulic fracturing technology is no longer applicable; And also entered the exploitation middle and later periods for the good old filed of geological conditions, and the object of fracturing has also turned to Oil in Super-low Permeability Reservoirs, and hydraulic fracturing technology is needed new theory innovation and technique research and development badly.Based on above-mentioned background, many novel Fracturing Technologies have launched experimental application at Oil Field, and wherein fracturing fluid is taken the injection of sand slug formula, and fiber is stifled pressure break temporarily, the techniques such as multistage acid fracturing infusion all require in work progress, alternately pump into continuously two kinds of different fluid.
Fracturing physical simulation experiment technology is all hydraulic fracture crack initiation expansion mechanism understanding all the time, one of effective means of theoretical research.By this experimental technique, can carry out that fracture initiation, expansion, pit shaft are perforation simulated, the research work of complex fracture system pressure break, acidizing simulation, refracturing and the aspect such as shale completion and volume transformation.But due to the restriction of experimental facilities ability, each experiment is a kind of Experimental Flowing Object of infusion continuously, has therefore greatly limited experimental study field.
Utility model content
In order to solve in prior art the technical problem of the two or more Experimental Flowing Objects of infusion continuously, the utility model provides a kind of fluid for fracturing simulated experiment to be alternately continuously pumped into device.Should alternately be continuously pumped into for the fluid of fracturing simulated experiment device and can realize the experimental facilities being alternately continuously pumped into two kinds of fracturing fluids, can take sand slug formula to fracturing fluid injects, fiber is stifled pressure break temporarily, the new technologies such as multistage acid fracturing infusion are carried out analog study, to novel fracturing technology, at unconventional reservoir, the application in low permeability sandstone reservoir field is significant.
The utility model for solving the technical scheme of its technical problem employing is: a kind of fluid for fracturing simulated experiment is alternately continuously pumped into device, comprise a pump and at least two high-pressure bottle tanks, two high-pressure bottle tanks are respectively the first high-pressure bottle tank and the second high-pressure bottle tank, one end of one end of the first high-pressure bottle tank and the second high-pressure bottle tank is connected with pump in parallel, and pump can be by the fluid expulsion in the first high-pressure bottle tank and the second high-pressure bottle tank.
One end of one end of the first high-pressure bottle tank and the second high-pressure bottle tank is connected with pump by four-way.
Between one end of the first high-pressure bottle tank and four-way, be provided with feed liquor branch hand control valve, between one end of the second high-pressure bottle tank and four-way, be provided with feed liquor branch hand control valve.
Between four-way and pump, be provided with feed liquor main valve.
Between four-way and pump, by high-pressure hose line, be communicated with.
The other end of the other end of the first high-pressure bottle tank and the second high-pressure bottle tank is connected with high-pressure hose line by four-way.
Between the other end of the first high-pressure bottle tank and four-way, be provided with fluid branch hand control valve, between one end of the second high-pressure bottle tank and four-way, be provided with fluid branch hand control valve.
High-pressure bottle tank comprises cylinder body, and the two ends of cylinder body are equipped with pressure cap and plug, and plug contains and is communicated with cylinder interior and outside through hole, and cylinder body contains piston.
Plug is connected with cylinder body seal by sealing ring.
The described fluid for fracturing simulated experiment is alternately continuously pumped into device and also comprises hand-push-type operation cabinet, and the first high-pressure bottle tank and the second high-pressure bottle tank are fixed on hand-push-type operation cashier's office in a shop.
The beneficial effects of the utility model are: can study at least two kinds of different fracturing liquids and replace hydraulic fracture crack initiation and the expanded configuration under continuous infusion process conditions, by this experimental facilities, can real simulation fracturing fluid taking sand slug formula injects, fiber is the multiple Hydraulic Fracturing Techniques Used such as stifled pressure break and multistage acid fracturing infusion temporarily, for the optimal design that instructs above-mentioned technology to implement at the scene.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the fluid for fracturing simulated experiment described in the utility model being alternately continuously pumped into device is described in further detail.
Fig. 1 is alternately continuously pumped into the structural representation of device for the fluid of fracturing simulated experiment.
Fig. 2 is the structural representation of high-pressure bottle tank.
Wherein 1. pumps, 2. high-pressure hose line, 3. feed liquor main valve, 4. high pressure stainless steel pipeline, 5. four-way, 6. feed liquor branch hand control valve, 7. high pressure stainless steel pipeline, 8. high-pressure bottle tank, 81. first high-pressure bottle tanks, 82. second high-pressure bottle tanks, 9. fluid branch hand control valve, 10. fluid branch hand control valve, 11. four-ways, 12. fluid main valves, 13. high-pressure hose lines, 14. experiment well heads, 15. hand-push-type operation cabinets, 16. pressure caps, 17. plugs, 18. pistons, 19. sealing rings, 20. cylinder bodies.
The specific embodiment
Below in conjunction with accompanying drawing, the fluid for fracturing simulated experiment described in the utility model being alternately continuously pumped into device is described in further detail.A kind of fluid for fracturing simulated experiment is alternately continuously pumped into device, comprise a pump 1 and at least two high-pressure bottle tanks 8, two high-pressure bottle tanks 8 are respectively the first high-pressure bottle tank 81 and the second high-pressure bottle tank 82, one end of one end of the first high-pressure bottle tank 81 and the second high-pressure bottle tank 82 is connected with pump 1 in parallel, pump 1 can be by the fluid expulsion in the first high-pressure bottle tank 81 and the second high-pressure bottle tank 82, as shown in Figure 1.
Two the high-pressure bottle tanks 8 of only take in the present embodiment are introduced as example, and the quantity of high-pressure bottle tank 8 can be a plurality of, adopt mode in parallel to be connected with pump 1 between a plurality of high-pressure bottle tanks 8.Should alternately be continuously pumped into device for fluid of fracturing simulated experiment like this can study at least two kinds of different fracturing liquids and replace hydraulic fracture crack initiation and the expanded configuration under continuous infusion process conditions, by this experimental facilities, can real simulation fracturing fluid taking sand slug formula injects, fiber is the multiple Hydraulic Fracturing Techniques Used such as stifled pressure break and multistage acid fracturing infusion temporarily, for the optimal design that instructs above-mentioned technology to implement at the scene.
Concrete, as shown in Figure 1, one end of one end of the first high-pressure bottle tank 81 and the second high-pressure bottle tank 82 is connected with pump 1 by four-way 5.Between one end of the first high-pressure bottle tank 81 and four-way 5, be provided with between one end of feed liquor branch hand control valve 6, the second high-pressure bottle tanks 82 and four-way 5 and be provided with feed liquor branch hand control valve 6.Between four-way 5 and pump 1, be provided with feed liquor main valve 3.Between four-way 5 and pump 1, by high-pressure hose line 2, be communicated with.The other end of the other end of the first high-pressure bottle tank 81 and the second high-pressure bottle tank 82 is connected with high-pressure hose line 13 by four-way 11.Between the other end of the first high-pressure bottle tank 81 and four-way 11, be provided with between one end of fluid branch hand control valve 9, the second high-pressure bottle tanks 82 and four-way 11 and be provided with fluid branch hand control valve 10.
In addition, high-pressure bottle tank 8 comprises cylinder body 20, and the two ends of cylinder body 20 are equipped with pressure cap 16 and plug 17, and plug 17 contains and is communicated with the inside and outside through hole of cylinder body 20, and cylinder body 20 contains piston 18.Plug 17 is tightly connected by sealing ring 19 and cylinder body 20, as shown in Figure 2.Between plug 17 and pressure cap 16, with nut and spring clip, be connected and fixed, pressure cap 16 and cylinder body 20 use screwed connections, when pressure cap 16 compresses with cylinder body 20, sealing ring 19 on plug 17 will seal between cylinder body 20 and nut, and the two ends plug 17 of cylinder body 20 is connected with high pressure stainless steel pipeline 7 with high pressure stainless steel pipeline 4 respectively.Should alternately be continuously pumped into for the fluid of fracturing simulated experiment device and also comprise that hand-push-type operation cabinet 15, the first high-pressure bottle tanks 81 and the second high-pressure bottle tank 82 were fixed on hand-push-type operation cabinet 15.
Pump 1 is hydraulic pump, and described hydraulic pump is used to provide pump-in pressure, can control pump-in pressure and the discharge capacity in experimentation simultaneously, by high-pressure hose line 2, is connected with hand-push-type operation cabinet 15, is provided with feed liquor main valve 3 in junction, controls entering of hydraulic oil.One end of each high-pressure bottle tank 8 is respectively equipped with feed liquor branch hand control valve 6 and passes through high pressure stainless steel pipeline 4, four-way 5 is connected with feed liquor main valve 3, two high-pressure bottle tanks 8 are for being arranged in parallel, the other end is connected with fluid main valve 12 with four-way 11 by high pressure stainless steel pipeline 7 respectively, and described high pressure stainless steel pipeline 7 is provided with fluid branch hand control valve 9, fluid branch hand control valve 10.High pressure stainless steel pipeline 4, high pressure stainless steel pipeline 7, feed liquor main valve 3, feed liquor branch hand control valve 6, fluid branch hand control valve 9, fluid branch hand control valve 10, fluid main valve 12, high-pressure bottle tank 8, four-way 5, four-way 11 are all fixed on hand-push-type operation cabinet 15.Experiment well head 14 is connected with hand-push-type operation cabinet 15 by high-pressure hose line 13, is provided with fluid main valve 12 in junction.
The experimental facilities of the present embodiment can be used for alternately pumping between two kinds of different fracturing liquids in fracturing simulated experiment, adopts water and the fracturing fluid of different liquids performance, controls and pumps into discharge capacity, observes fracture initiation and extends form.When using this device to carry out simulating lab test, alternately pumping into continuously between two kinds of liquid carried out.
Before experiment, open pressure cap 16, and piston 18 is reset to container bottom, in two high-pressure bottles, pour into respectively two kinds of each 3000ml of fracturing liquid, tighten pressure cap 16, and access, high-pressure bottle two ends and high pressure stainless steel pipeline 4,7 are connected.
In experimentation, open successively feed liquor main valve 3, feed liquor branch hand control valve 6, hydraulic oil is pumped into two high-pressure bottle tank 8 bottoms by pump 1, then open fluid main valve 12 and corresponding minute pipeline 7 fluid branch hand control valves 9, the fracturing liquid in the high-pressure bottle tank 8 being communicated with this minute pipeline 7 is under the promotion of hydraulic oil, through fluid branch hand control valve 9, four-way 11, fluid main valve 12 and high-pressure hose line 13 are pumped in well head 14; When needs carry out fracturing liquid switching, close fluid branch hand control valve 9, open fluid branch hand control valve 10 simultaneously, liquid in the high-pressure bottle tank 8 being connected with hand control valve 9 cannot flow out, and liquid in the high-pressure bottle tank 8 being connected with hand control valve 10 is under the promotion of hydraulic oil, by four-way 11, fluid main valve 12 and high-pressure hose line 13 are pumped in well head 14, in whole experimentation, hydraulic pump remains and stablizes discharge capacity work, has guaranteed the continuity that alternately fluid injects and the stability of pressure.
Wherein, described two high-pressure bottle tanks 8 are identical, and the first high-pressure bottle tank 81 is identical with the second high-pressure bottle tank 82, and high-pressure bottle tank 8 internal diameters are 94mm, height 450mm, and the highest discharge liquid volume of one way is 3000ml, maximum working pressure is 70MPa.Described hydraulic pump is plunger displacement pump, and the highest discharge capacity of described plunger displacement pump is 600ml/min, and withstand voltage scope is 0-82MPa.
The above; be only specific embodiment of the utility model, can not limit the scope that utility model is implemented with it, so the displacement of its equivalent assemblies; or the equivalent variations of doing according to the utility model scope of patent protection and modification, all should still belong to the category that this patent is contained.
Claims (10)
1. the fluid for fracturing simulated experiment is alternately continuously pumped into device, it is characterized in that, the described fluid for fracturing simulated experiment is alternately continuously pumped into device and comprises a pump (1) and at least two high-pressure bottle tanks (8), two high-pressure bottle tanks (8) are respectively the first high-pressure bottle tank (81) and the second high-pressure bottle tank (82), one end of one end of the first high-pressure bottle tank (81) and the second high-pressure bottle tank (82) is connected with pump (1) in parallel, pump (1) can be by the fluid expulsion in the first high-pressure bottle tank (81) and the second high-pressure bottle tank (82).
2. the fluid for fracturing simulated experiment according to claim 1 is alternately continuously pumped into device, it is characterized in that: one end of one end of the first high-pressure bottle tank (81) and the second high-pressure bottle tank (82) is connected with pump (1) by four-way (5).
3. the fluid for fracturing simulated experiment according to claim 2 is alternately continuously pumped into device, it is characterized in that: between one end of the first high-pressure bottle tank (81) and four-way (5), be provided with feed liquor branch hand control valve (6), between one end of the second high-pressure bottle tank (82) and four-way (5), be provided with feed liquor branch hand control valve (6).
4. the fluid for fracturing simulated experiment according to claim 2 is alternately continuously pumped into device, it is characterized in that: between four-way (5) and pump (1), be provided with feed liquor main valve (3).
5. the fluid for fracturing simulated experiment according to claim 2 is alternately continuously pumped into device, it is characterized in that: between four-way (5) and pump (1), by high-pressure hose line (2), be communicated with.
6. the fluid for fracturing simulated experiment according to claim 1 is alternately continuously pumped into device, it is characterized in that: the other end of the other end of the first high-pressure bottle tank (81) and the second high-pressure bottle tank (82) is connected with high-pressure hose line (13) by four-way (11).
7. the fluid for fracturing simulated experiment according to claim 6 is alternately continuously pumped into device, it is characterized in that: between the other end of the first high-pressure bottle tank (81) and four-way (11), be provided with fluid branch hand control valve (9), between one end of the second high-pressure bottle tank (82) and four-way (11), be provided with fluid branch hand control valve (10).
8. the fluid for fracturing simulated experiment according to claim 1 is alternately continuously pumped into device, it is characterized in that: high-pressure bottle tank (8) comprises cylinder body (20), the two ends of cylinder body (20) are equipped with pressure cap (16) and plug (17), plug (17) contains and is communicated with the inside and outside through hole of cylinder body (20), and cylinder body (20) contains piston (18).
9. the fluid for fracturing simulated experiment according to claim 8 is alternately continuously pumped into device, it is characterized in that: plug (17) is tightly connected by sealing ring (19) and cylinder body (20).
10. the fluid for fracturing simulated experiment according to claim 1 is alternately continuously pumped into device, it is characterized in that: the described fluid for fracturing simulated experiment is alternately continuously pumped into device and also comprises hand-push-type operation cabinet (15), and the first high-pressure bottle tank (81) and the second high-pressure bottle tank (82) are fixed on hand-push-type operation cabinet (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538417.4U CN203515536U (en) | 2013-08-30 | 2013-08-30 | Fluid alternate continuous pumping device for hydraulic fracture simulation experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538417.4U CN203515536U (en) | 2013-08-30 | 2013-08-30 | Fluid alternate continuous pumping device for hydraulic fracture simulation experiment |
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| CN203515536U true CN203515536U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320538417.4U Expired - Fee Related CN203515536U (en) | 2013-08-30 | 2013-08-30 | Fluid alternate continuous pumping device for hydraulic fracture simulation experiment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239986A (en) * | 2015-10-29 | 2016-01-13 | 东营石大海润石油科技发展有限公司 | Pump casting device of impulse sand fracturing intermediate displacement fluid and working method |
| CN106644734A (en) * | 2016-11-29 | 2017-05-10 | 中国石油大学(北京) | True tri-axial hydraulic fracture test machine and test method |
| CN107524433A (en) * | 2017-09-14 | 2017-12-29 | 西南石油大学 | HTHP alternately injects acid solution distribution simulation device |
| CN110485975A (en) * | 2019-07-29 | 2019-11-22 | 西南石油大学 | A kind of horizontal well acidizing large scale acidizing wormhole simulator and experimental method |
| CN113138063A (en) * | 2020-01-17 | 2021-07-20 | 中国石油天然气股份有限公司 | Phase power device and fluid experimental system |
-
2013
- 2013-08-30 CN CN201320538417.4U patent/CN203515536U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239986A (en) * | 2015-10-29 | 2016-01-13 | 东营石大海润石油科技发展有限公司 | Pump casting device of impulse sand fracturing intermediate displacement fluid and working method |
| CN105239986B (en) * | 2015-10-29 | 2018-02-27 | 东营石大海润石油科技发展有限公司 | The infusion device and method of work of displacement fluid among a kind of pulse sand fracturing |
| CN106644734A (en) * | 2016-11-29 | 2017-05-10 | 中国石油大学(北京) | True tri-axial hydraulic fracture test machine and test method |
| CN107524433A (en) * | 2017-09-14 | 2017-12-29 | 西南石油大学 | HTHP alternately injects acid solution distribution simulation device |
| CN110485975A (en) * | 2019-07-29 | 2019-11-22 | 西南石油大学 | A kind of horizontal well acidizing large scale acidizing wormhole simulator and experimental method |
| CN113138063A (en) * | 2020-01-17 | 2021-07-20 | 中国石油天然气股份有限公司 | Phase power device and fluid experimental system |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20210830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |