CN209387628U - Performance testing device is temporarily blocked up in a kind of high floating agent of control seam - Google Patents
Performance testing device is temporarily blocked up in a kind of high floating agent of control seam Download PDFInfo
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- CN209387628U CN209387628U CN201920864454.1U CN201920864454U CN209387628U CN 209387628 U CN209387628 U CN 209387628U CN 201920864454 U CN201920864454 U CN 201920864454U CN 209387628 U CN209387628 U CN 209387628U
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- fluid reservoir
- floating agent
- high floating
- performance testing
- testing device
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Abstract
The utility model discloses a kind of high floating agent of control seam and temporarily blocks up performance testing device, water tank, water pump, device for storing liquid, fracture simulation unit, exit vessel including passing sequentially through pipeline connection, the device for storing liquid includes the fluid reservoir A being arranged in parallel, fluid reservoir B, piston A, piston B are respectively equipped in the fluid reservoir A, fluid reservoir B, and leakage fluid dram is equipped with close to bottom, drain pipe is installed on the leakage fluid dram, discharge opeing control valve A, discharge opeing control valve B are respectively equipped on two drain pipes.The utility model can accurately measure control and stitch high floating agent temporarily stifled pressure, obtain floating agent and temporarily block up indexes of capability evaluation, and principle is reliable, easy to operate, and high floating agent Lab-evaluation can be stitched for control and practical application provides reliably temporarily stifled intensity data.
Description
Technical field
High floating agent is stitched the utility model relates to a kind of control and temporarily blocks up performance testing device, belongs to oil fracturing field.
Background technique
Carbonate reservoir in Tahe Oilfield has the characteristics that bury depth, high temperature, high pressure, and lower wellbore has obvious anomalous body.
Acid fracturing is the effective ways of carbonate reservoir frscturing.But due to the limitation of drilling technology, well-drilling borehole is generally being preserved
Above body and apart from farther out, conventional ACID FRACTURING TECHNOLOGY presses off crack and extends downwardly apart from shorter, crack longitudinally extension depth deficiency meeting
It reduces acid fracturing crack and links up the remote Reservoir Body in lower section, be unfavorable for the stable yields of individual well.Crack extends downwardly ACID FRACTURING TECHNOLOGY can be with
Improve the acidfracturing treatment effect of carbonate rock.
Current carbonate fracture extends downwardly ACID FRACTURING TECHNOLOGY and mainly uses hollow glass micropearl as the high floating of control seam
Agent, after floating agent enters acid fracturing crack, floating agent can be gathered at the top of crack rapidly under buoyancy, the shape at the top of crack
It at closely knit hyposmosis barrier bed, blocks crack and upwardly extends channel, limitation subsequent liquid pressure is transmitted to top, forces acid fracturing
Crack extends downwardly links up seam_cavern type existing for lower part as far as possible, achievees the purpose that volume increase.But the process requirement is high-intensitive
Floating agent, by formed hyposmosis barrier bed influence acid fracturing crack in net impact be distributed, to reach control critical eigenvalue height
Purpose.Therefore, it is most important for preferably controlling the high floating agent control critical eigenvalue height of seam temporarily to block up performance for the high floating agent of measurement control seam.
Stitching high floating agent temporarily to block up performance evaluation to control both at home and abroad at present is nearly all qualitative description, partially passes through rock core displacement
Device is rived by the way of high floating agent is stitched in seam filling control using rock core and simulates floating agent temporarily stifled intensity, but there are rock core differences
Property it is big, crack repeatability is big and floating agent can not Dynamic injection the problems such as, temporarily block up process with crack in practical fracturing process
Difference is farther out.The working liquid tank capacity that conventional diverting agent temporarily blocks up device for evaluating performance is limited, and work liquid measure is limited, cannot achieve
Long-term temporarily stifled performance evaluation.In order to which the using effect of high floating agent is stitched in quantitative description control, the utility model independent research goes out one kind
The temporary stifled aptitude tests device of high floating agent is stitched in control.
Utility model content
The utility model mainly overcomes shortcoming in the prior art, proposes that a kind of control stitches high floating agent and temporarily blocks up performance
Test device, the utility model principle is reliable, easy to operate, can stitch high floating agent Lab-evaluation for control and practical application provides
Reliable temporarily stifled intensity data.
The utility model solves technical solution provided by above-mentioned technical problem: performance is temporarily blocked up in a kind of high floating agent of control seam
Test device, water tank, water pump, device for storing liquid, fracture simulation unit, exit vessel including passing sequentially through pipeline connection,
The device for storing liquid include the fluid reservoir A being arranged in parallel, be respectively equipped in fluid reservoir B, the fluid reservoir A, fluid reservoir B piston A,
Piston B, and it is equipped with leakage fluid dram close to bottom, drain pipe is installed on the leakage fluid dram, is set respectively on two drain pipes
There are discharge opeing control valve A, discharge opeing control valve B.
Further technical solution is that the fracture simulation unit includes that shell is sealed with the intracorporal wedge shape of shell is oppositely arranged on
Plate and parallel sealing plate are equipped with gasket between the wedge shape sealing plate and inner walls, between parallel sealing plate and inner walls.
Further technical solution is, the fluid reservoir A, fluid reservoir B, fracture simulation unit outer wall on be respectively equipped with plus
Hot device A, heater B, heater C.
Further technical solution is that the wedge shape sealing plate is respectively wedge shape just plate, parallel rigid plate with parallel sealing plate, described
The material of gasket is Hastelloy.
Further technical solution is that the water pump is plunger pump.
Further technical solution is, the fluid reservoir A, fluid reservoir B inner wall be equipped with acid corrosion-resistant liner.
Further technical solution is, the fluid reservoir A, fluid reservoir B side be separately installed with liquid level along the vertical direction
Display A, liquid level display B.
Further technical solution is to be respectively equipped with temperature sensor A, temperature sensing on the fluid reservoir A, fluid reservoir B
Device B, the fracture simulation unit be equipped with temperature sensor C, the both ends of the device for storing liquid be respectively equipped with pressure sensor A,
Pressure sensor B.
The utility model has the beneficial effects that the utility model, which can accurately measure control, stitches high floating agent temporarily stifled pressure, obtain
Indexes of capability evaluation is temporarily blocked up in floating agent, and principle is reliable, easy to operate, and high floating agent Lab-evaluation can be stitched for control and is actually answered
Intensity data is reliably temporarily blocked up with providing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that property detecting device is temporarily blocked up in a kind of high floating agent of control seam.
Fig. 2 is that 1 simulation fracture of embodiment temporarily blocks up pressure and changes with time figure.
It is as shown in the figure: 1-water tank；2-water pumps；3-three-way change-over valve A；4-heater A；5-piston A；6-storages
Flow container A；7-liquid level display A；8-heater B；9-piston B；10-fluid reservoir B；11-liquid level display B；12-threeways
Switching valve B；13-pressure sensor A；14-heater C；15-fracture simulation units；16-pressure sensor B；17-temperature
Sensors A；18-temperature sensor C；19-temperature sensor B；20-exit vessels；21-discharge opeing control valve A；22-drains
Control valve B.
Specific embodiment
Further description is done to the utility model below with reference to embodiment and attached drawing.
Embodiment 1
As shown in Figure 1, high floating agent is stitched in a kind of control of the utility model temporarily blocks up performance testing device, including pass sequentially through pipe
Water tank 1, the water pump 2, device for storing liquid, fracture simulation unit 15, exit vessel 20 of line connection, the device for storing liquid include simultaneously
Join the fluid reservoir A6 of setting, be respectively equipped with piston A5, piston B9 in fluid reservoir B10, the fluid reservoir A6, fluid reservoir B10, and leans on
Nearly bottom is equipped with leakage fluid dram, and drain pipe is equipped on the leakage fluid dram, is respectively equipped with drain control on two drain pipes
Valve A21, discharge opeing control valve B22, the fluid reservoir A6, fluid reservoir B10, fracture simulation unit 15 outer wall on be respectively equipped with heating
Device A4, heater B8, heater C14, heater are heated by electric power with simulated formation underground heat.The setting continuously adjustable liquid storage
The temperature of tank and fracture simulation unit, quick heating avoid conventional apparatus and are equipped with that large-scale insulating box is bulky, heating is slow asks
Topic.
Wherein specific connection is that the mouth of a river that is pumped into of water pump 2 is connect with the water outlet of water tank 1, pumps out the mouth of a river and threeway
Switching valve A3 is connected.Three-way change-over valve A3 is connected with fluid reservoir A6, fluid reservoir B10 water inlet.Clear water is pumped into liquid storage in water tank 1
Tank A6 pushes fluid reservoir A6 inner piston A5 uplink.Fluid reservoir A6 is connected with fluid reservoir AB10 liquid outlet with three-way change-over valve B12.
Finished when the floating agent working solution for observing fluid reservoir A6 is practical, manually adjust three-way change-over valve A3 and three-way change-over valve B12 every
From fluid reservoir A6, the floating agent working solution in fluid reservoir B10 is used.On-line cleaning is carried out to fluid reservoir A6, then through fluid reservoir A
The discharge opeing control valve A21 of lower part drains ejected wash water in pipe, and floating agent working solution is added.Repeatedly, it can continuously be split to simulation
Seam device 15 provides required working solution.Three-way change-over valve B12 is connect by connecting tube with fracture simulation unit 15.Simulation fracture
Device 15 exports connection outlet container 20.
Pipeline between above-mentioned apparatus is the acidproof hard tube line of high pressure big orifice, guarantees that system is able to bear higher pressure
Power.The fracture simulation unit 15 is installed along the vertical direction.The setting is more suitable for being formed when simulating practical floating agent floating aggregation
The temporary stifled performance evaluation of less permeable layer.
In the present embodiment, the fracture simulation unit 15 is including shell and is oppositely arranged on the intracorporal wedge-shaped sealing plate peace of shell
Row sealing plate between the wedge shape sealing plate and inner walls, is equipped with gasket, the wedge shape envelope between parallel sealing plate and inner walls
Plate is respectively that just plate, parallel rigid plate, the material of the gasket are Hastelloy to wedge shape with parallel sealing plate.
The channel wherein formed between wedge-shaped sealing plate and parallel sealing plate, is allowed to form the simulation core with wedge-shaped fracture,
It is packed into fracture simulation unit by the gasket combination of different-thickness, simulates different fracture widths.
Preferred embodiment is, the water pump 2 is plunger pump, the fluid reservoir A6, fluid reservoir B10 inner wall be all provided with
There is acid corrosion-resistant liner.
In the present embodiment, for the ease of the acquisition of data, the fluid reservoir A6, fluid reservoir B10 side along vertical side
It is passed to being separately installed with liquid level display A7, being respectively equipped with temperature on liquid level display B11, the fluid reservoir A6, fluid reservoir B10
Sensor A17, temperature sensor B19, the fracture simulation unit 15 are equipped with temperature sensor C18, the device for storing liquid and mould
It is equipped with pressure sensor A13 between quasi- crack device 15, pressure is equipped between the exit vessel 20 and fracture simulation unit 15
Sensor B16.The device further includes data collection system, the data collection system respectively with above-mentioned temperature sensor, pressure
Force snesor, liquid level display electrical connection.
Using the temporary stifled intensity of above-described embodiment measurement floating agent, mentioned for the high research of control seam in certain oil field Carbonate Reservoir
For underlying parameter.Detailed step is as follows:
(1) floating agent uses hollow glass micropearl, mesh number 70-120 mesh, and additional proportion 10wt% passes through high-speed stirred
It is dispersed in 20% hydrochloric acid, is packed into fluid reservoir A6 and fluid reservoir B10；
(2) it is combined by the steel disc of different-thickness, simulation fracture right wall is parallel water plane, and left wall face and horizontal plane press from both sides
Angle is 1 degree, and fracture pattern is wedge-shaped fracture, 850 μm of crack front width, 500 μm of crack rear width；
(3) 160 DEG C of temperature of fluid reservoir A6 and fracture simulation unit 15 are set by computerized control system, are added by control
Hot device A4, heater C14 are heated, and are heated to be automatically stopped heating when experiment required temperature into holding mode, are remained real
Test temperature.
(4) 2 discharge capacity of water pump is set as 100ml/min by computerized control system, starts to test.Pass through liquid level display
A7 observes that the floating agent working solution of fluid reservoir A6 is practical and finishes, manually adjust three-way change-over valve A3 and three-way change-over valve B12 every
From fluid reservoir A6, the floating agent working solution in fluid reservoir B10 is used.On-line cleaning is carried out to fluid reservoir A6, then through fluid reservoir
The discharge opeing control valve A21 of the lower part A6 drains ejected wash water in pipe, and floating agent working solution is added.It repeatedly, can be continuously to simulation
Crack device 15 provides required working solution；
(5) temperature of working solution fluid reservoir and man-made fracture simulator, Yi Jiren can be monitored in real time in experimentation
The data such as work board slit simulation apparatus pressure change, and will be recorded in data synchronous transfer to data collection system automatically,
Processing.When experiment proceeds to specified time 30min, termination experiment, termination of pumping, release.The highest shown in data collection system is temporary
Stifled pressure is to control the temporary stifled intensity for stitching high floating agent.
The above does not impose any limitation on the present invention, although the utility model passed through it is above-mentioned
Embodiment discloses, however is not intended to limit the utility model, any person skilled in the art, practical not departing from
In new technique aspects, is made when the technology contents using the disclosure above and change or be modified to a bit the equivalent of equivalent variations
Embodiment, but all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to the above reality
Any simple modification, equivalent change and modification made by example are applied, are still within the scope of the technical solutions of the present invention.
Claims (8)
1. a kind of control stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the water storage including passing sequentially through pipeline connection
Tank (1), water pump (2), device for storing liquid, fracture simulation unit (15), exit vessel (20), the device for storing liquid are set including parallel connection
Fluid reservoir A (6), the fluid reservoir B (10) set, the fluid reservoir A (6) are respectively equipped with piston A (5), piston B in fluid reservoir B (10)
(9), it and close to bottom is equipped with leakage fluid dram, drain pipe is installed on the leakage fluid dram, is respectively equipped on two drain pipes
Discharge opeing control valve A (21), discharge opeing control valve B (22).
2. a kind of control according to claim 1 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the simulation
Crack device (15) includes shell and be oppositely arranged on the intracorporal wedge-shaped sealing plate of shell and parallel sealing plate, the wedge shape sealing plate and shell
Gasket is equipped between inner wall, between parallel sealing plate and inner walls.
3. a kind of control according to claim 2 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the liquid storage
Tank A (6), fluid reservoir B (10), fracture simulation unit (15) outer wall on be respectively equipped with heater A (4), heater B (8), heating
Device C (14).
4. a kind of control according to claim 2 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the wedge shape
Sealing plate is respectively that just plate, parallel rigid plate, the material of the gasket are Hastelloy to wedge shape with parallel sealing plate.
5. a kind of control according to claim 1 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the pressure water
Pumping (2) is plunger pump.
6. a kind of control according to claim 1 or 3 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that described
Fluid reservoir A (6), fluid reservoir B (10) inner wall be equipped with acid corrosion-resistant liner.
7. a kind of control according to claim 1 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the liquid storage
Tank A (6), fluid reservoir B (10) side be separately installed with liquid level display A (7), liquid level display B (11) along the vertical direction.
8. a kind of control according to claim 7 stitches high floating agent and temporarily blocks up performance testing device, which is characterized in that the liquid storage
Temperature sensor A (17), temperature sensor B (19), the fracture simulation unit are respectively equipped on tank A (6), fluid reservoir B (10)
(15) be equipped with temperature sensor C (18), the both ends of the fracture simulation unit (15) be respectively equipped with pressure sensor A (13),
Pressure sensor B (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864454.1U CN209387628U (en) | 2019-06-11 | 2019-06-11 | Performance testing device is temporarily blocked up in a kind of high floating agent of control seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864454.1U CN209387628U (en) | 2019-06-11 | 2019-06-11 | Performance testing device is temporarily blocked up in a kind of high floating agent of control seam |
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| Publication Number | Publication Date |
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| CN209387628U true CN209387628U (en) | 2019-09-13 |
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| CN201920864454.1U Expired - Fee Related CN209387628U (en) | 2019-06-11 | 2019-06-11 | Performance testing device is temporarily blocked up in a kind of high floating agent of control seam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155965A (en) * | 2020-03-10 | 2020-05-15 | 中国石油天然气集团有限公司 | Dynamic experimental evaluation method for temporary plugging effect of temporary plugging agent in crack |
| CN112067446A (en) * | 2020-08-10 | 2020-12-11 | 中国石油大学(华东) | Device and method for testing pressure blocking effect of seam height control agent |
| CN112284956A (en) * | 2020-10-14 | 2021-01-29 | 中联煤层气有限责任公司 | Device and method for evaluating performance of plugging agent for crack control high-pressure cracking |
| CN113758688A (en) * | 2020-05-29 | 2021-12-07 | 中国石油天然气股份有限公司 | Experimental device and method for testing performance of blast hole |
-
2019
- 2019-06-11 CN CN201920864454.1U patent/CN209387628U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155965A (en) * | 2020-03-10 | 2020-05-15 | 中国石油天然气集团有限公司 | Dynamic experimental evaluation method for temporary plugging effect of temporary plugging agent in crack |
| CN111155965B (en) * | 2020-03-10 | 2022-03-18 | 中国石油天然气集团有限公司 | Dynamic experimental evaluation method for temporary plugging effect of temporary plugging agent in crack |
| CN113758688A (en) * | 2020-05-29 | 2021-12-07 | 中国石油天然气股份有限公司 | Experimental device and method for testing performance of blast hole |
| CN112067446A (en) * | 2020-08-10 | 2020-12-11 | 中国石油大学(华东) | Device and method for testing pressure blocking effect of seam height control agent |
| CN112284956A (en) * | 2020-10-14 | 2021-01-29 | 中联煤层气有限责任公司 | Device and method for evaluating performance of plugging agent for crack control high-pressure cracking |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20200611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |