CN107642349A - A kind of complex fracture, which can heat, becomes inclination angle proppant morphological Simulation device - Google Patents
A kind of complex fracture, which can heat, becomes inclination angle proppant morphological Simulation device Download PDFInfo
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- CN107642349A CN107642349A CN201710970371.6A CN201710970371A CN107642349A CN 107642349 A CN107642349 A CN 107642349A CN 201710970371 A CN201710970371 A CN 201710970371A CN 107642349 A CN107642349 A CN 107642349A
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- 238000004088 simulation Methods 0.000 title claims abstract description 15
- 230000000877 morphologic effect Effects 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000010079 rubber tapping Methods 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The present invention, which discloses a kind of complex fracture and can heated, becomes inclination angle proppant morphological Simulation device, including nitrogen cylinder, discharge, air blower, air inlet pipe, liquid storage cylinder, check valve, fill funnel, fill valve, heater, temperature sensor, feed tube, liquid feed valve, fixed support, turning arm, pressure sensor, main seam front shroud, main seam back shroud, main seam observation window, branch stitches hinge, branch stitches front shroud, branch stitches back shroud, branch stitches observation window, main seam tapping valve, main seam exhaust-valve, branch stitches tapping valve, branch stitches exhaust-valve, main seam waste liquid tank, branch stitches waste liquid tank, branch stitches rotating wheel, dragging track；The present invention does source of the gas, Environmental Safety with nitrogen cylinder；Heating-up temperature can be set to interval true temperature is transformed, more accurately study laying form of the proppant in main seam and branch seam；By the drive of turning arm and the cooperation of dragging track, proppant during different angle under main seam and branch seam simulated formation can be made to lay form.
Description
Technical field
It can be heated the present invention relates to a kind of complex fracture and become inclination angle proppant morphological Simulation device, the invention belongs to oil gas field
Development technique field.
Background technology
With oil development step by step deeply, storage condition is good, be easy to exploitation oil gas field also step into development late stage, yield
It can not meet growing consumption demand.The unconventional petroleum resourceses such as increasing hypotonic, fine and close oil-gas reservoir start to employ
Production capacity is taken over, but because usual manner is difficult to carry out effective exploitation to it, these unconventional petroleum resourceses are typically to pass through water
Force and split to carry out transformation operation.Hydraulic fracturing technology is to press off reservoir in designated depth by high viscosity fracturing fluid and formed accordingly to split
Stitch and extend and link up crack, coordinating the fracturing propping agents with certain particle size and hardness to be laid on supporting crack on crack prevents from closing
Conjunction forms flow channel.Therefore, it is particularly significant to study distributional pattern situation of the proppant in crack.
Originally the distributional pattern situation of proppant carries out numerical simulation all on software substantially, experimental provision lacks and tested
Research demonstration is less, and reliability and stability are not strong.With going deep into for research, start visualization seam net laying occurred to put device,
But it can not be converted there is also multistage fracture dip, temperature does not meet formation condition, the excessive unsuitable interior of experimental provision etc. is asked
Topic.
Already present research proppant sanding gear patent has at present：Net proppant is stitched in hydraulic fracturing at a temperature of simulated formation
Rule visualization device (application number 201621066846.6) is laid, variable slit width stitches net device (application number
201621067750.1) proppant settlement law dynamic analog device (application number under confined pressure state, is visualized
201621067410.9).Said apparatus does not consider that pendage has the problem of inclination angle so that experiment fails to consider complicated feelings
Influence during fracture dip is laid to proppant under condition, error is produced to experimental result and result estimate.Newest one kind
It is excessively complicated huge to simulate multi-angle seam net proppant settlement law experimental provision (application number 201510105692.0) its device,
It is unable to flow under simulated formation temperature conditionss, its main seam tilt adjustment mechanism is unclear, and branch seam can not realize angular adjustment, main seam branch
Seam connection easily failure, is difficult to effectively realize its value in laboratory.
The present invention is adapted to such as situations such as complex fracture, main seam branch seam varied angle, experimental temperature change, and its device is relatively simple
It is clean to be easy to assembly and disassembly, and Stability Analysis of Structures, it can meet to test necessary requirement.
The content of the invention
The technical problems to be solved by the invention, which are to provide a kind of complex fracture, can heat change inclination angle proppant morphological Simulation
Device.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of complex fracture, which can heat, becomes inclination angle support
Agent morphological Simulation device, including nitrogen cylinder, discharge, air blower, air inlet pipe, liquid storage cylinder, check valve, filling funnel, fill valve,
After heater, temperature sensor, feed tube, liquid feed valve, fixed support, turning arm, pressure sensor, main seam front shroud, main seam
Cover plate, main seam observation window, branch seam hinge, branch seam front shroud, branch seam back shroud, branch seam observation window, main seam tapping valve, main seam emptying
Valve, branch seam tapping valve, branch seam exhaust-valve, main seam waste liquid tank, branch seam waste liquid tank, branch seam rotating wheel, dragging track；Nitrogen cylinder passes through
Discharge is connected on blower inlet；Air inlet check valve at blower export series connection air inlet pipe connection liquid storage cylinder；Carry
The filling funnel and temperature sensor of fill valve are connected on liquid storage cylinder, and heater is also attached on liquid storage cylinder inwall；Fluid is from storage
Fluid cylinder outlet is entered in seam by feed tube and liquid feed valve；Main seam is fastened by bolts by main seam front shroud and main seam back shroud,
And a pressure sensor is carried in main seam back shroud, nowed forming in main seam is observed by main seam observation window；It is main seam front shroud and
Main seam back shroud is seated on fixed support；The main seam tapping valve of the main portion's of sewing on connection, the main main seam of seam exhaust-valve access of bottom connection are useless
Flow container；Branch seam stitches front shroud by branch and branch seam back shroud is bolted, and stitches observation window by branch and observes flowing shape in branch seam
State；The branch seam rotating wheel of branch seam bottom is sitting on dragging track changes branch seam direction by sliding；Dragging track is fixed on main seam
Front shroud bottom ensures the stable support of branch seam and synchronous inclination angle；Branch seam right-hand member top connection branch seam tapping valve, bottom connection branch
Stitch exhaust-valve access branch seam waste liquid tank.
Further, the liquid storage cylinder is container hollow and with check valve, and mulling liquid is mounted in liquid storage cylinder inner space,
Fluid is issued to purpose temperature in heater heating, and the nitrogen that steady pressure is then exported by air blower injects liquid storage cylinder, nitrogen
Gas promotes fluid to enter in seam.
Further, the main seam front shroud, main stitch in back shroud can be bolted and seal, and pass through turning arm
Tighten and unscrew regulation simulation it is main seam crack angle change.
Further, the branch seam front shroud, branch seam back shroud stitch the cooperation change of rotating wheel and dragging track by branch
Direction, its dragging track are fixed with main seam bottom, and change synchronous with the change at main seam inclination angle, simulation branch seam crack angle changes
Become.
Beneficial effects of the present invention：(1) source of the gas is done with nitrogen cylinder, is promoted by providing stable pressure after blower
Fluid enters in seam, takes into account environmental protection and safety；(2) heating-up temperature can be set to interval true temperature is transformed, more accurately ground
Study carefully laying form of the proppant in main seam and branch seam；(3) by the drive of turning arm and the cooperation of dragging track, master can be made
Proppant under seam and branch seam simulated formation during different angle lays form.
Brief description of the drawings
Fig. 1 is that a kind of complex fracture can heat change inclination angle proppant morphological Simulation device isometric view；
Fig. 2 is that a kind of complex fracture can heat change inclination angle proppant morphological Simulation device front view；
Fig. 3 is that a kind of complex fracture can heat change inclination angle proppant morphological Simulation device top view；
Fig. 4 is the device liquid storage cylinder structural representation；
Fig. 5 is device branch seam attachment structure schematic diagram；
Shown in figure：1-nitrogen cylinder, 2-discharge, 3-air blower, 4-air inlet pipe, 5-liquid storage cylinder, 6-check valve,
7-filling funnel, 8-fill valve, 9-heater, 10-temperature sensor, 11-feed tube, 12-liquid feed valve, 13-are fixed
Support, 14-turning arm；15-pressure sensor, 16-it is main seam front shroud, 17-it is main seam back shroud, 18-it is main seam observation window,
19-it is main seam tapping valve, 20-it is main seam exhaust-valve, 21-branch seam hinge, 22-branch seam front shroud, 23-branch seam back shroud, 24-
Branch seam observation window, 25-branch seam tapping valve, 26-branch seam exhaust-valve, 27-it is main seam waste liquid tank, 28-branch seam waste liquid tank, 29-
Stitch rotating wheel, 30-dragging track.
Embodiment
With reference to embodiment, the present invention will be further described in detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of complex fracture of the invention, which can heat, becomes inclination angle proppant form
Analogue means, including nitrogen cylinder 1, discharge 2, air blower 3, air inlet pipe 4, liquid storage cylinder 5, check valve 6, filling funnel 7, fill valve
8th, heater 9, temperature sensor 10, feed tube 11, liquid feed valve 12, fixed support 13, turning arm 14；Pressure sensor 15, master
Stitch front shroud 16, main seam back shroud 17, main seam observation window 18, main seam tapping valve 19, main seam exhaust-valve 20, branch seam hinge 21, branch
Stitch front shroud 22, branch seam back shroud 23, branch seam observation window 24, branch seam tapping valve 25, branch seam exhaust-valve 26, it is main seam waste liquid tank 27,
Branch seam waste liquid tank 28, branch seam rotating wheel 29, dragging track 30；Nitrogen cylinder 1 is connected on the entrance of air blower 3 by discharge 2；Drum
Series connection air inlet pipe 4 in the outlet of blower fan 3 connects the air inlet check valve 6 at liquid storage cylinder 5；Filling funnel 7 and temperature with fill valve 8
Sensor 10 is connected on liquid storage cylinder 5, and heater 9 is also attached on the inwall of liquid storage cylinder 5；Fluid passes through feed liquor from the outlet of liquid storage cylinder 5
Pipe 11 and liquid feed valve 12 enter in seam；Main seam is fastened by bolts by main seam front shroud 16 and main seam back shroud 17, and in main seam
Back shroud 17 carries a pressure sensor 15, and nowed forming in main seam is observed by main seam observation window 18；The main seam He of front shroud 16
Main seam back shroud 17 is seated on fixed support 13, drives main seam and branch seam rotation to change angle by the rotation of turning arm 14；It is main
The main seam tapping valve 19 of seam right-hand member top connection, the main seam exhaust-valve 20 of bottom connection access main seam waste liquid tank 27；Before branch seam is stitched by branch
Cover plate 22 and branch seam back shroud 23 are bolted, and are stitched observation window 24 by branch and are observed nowed forming in branch seam, and by a pair
The parallel branch seam hinge 21 for being fixed on main seam observation window 18 connects main seam, ensures the angulation change of branch seam；The branch seam of branch seam bottom
Rotating wheel 29 is sitting on dragging track 30 changes branch seam direction by sliding；Dragging track 30 is fixed on main seam front shroud 16 bottom
Ensure the stable support of branch seam and synchronous inclination angle；Branch seam right-hand member top connection branch seam tapping valve 25, bottom connection branch seam exhaust-valve
26 access branch seam waste liquid tanks 28.
The present invention use process be：Open fill valve 8 and load weighted mulling liquid loaded into liquid storage cylinder 5 from filling funnel 7,
Fill valve 8 is closed after loading；Heater 9 is opened, mulling liquid is heated；Temperature sensor 10 is observed, when in temperature
When being raised to temperature needed for experiment, nitrogen cylinder 1 and air blower 3 and liquid feed valve 12 are opened, injects a gas into and stream is promoted in liquid storage cylinder 5
Body enters in seam；Main seam exhaust-valve 20 is closed, opens main seam tapping valve 19；Branch seam exhaust-valve 26 is closed, opens branch seam tapping valve
25；Change main seam angle after unscrewing turning arm 14, turning arm 14 is tightened after reaching design angle；Branch is promoted to stitch rotating wheel 29 in cunning
Change direction is slided on row track 30 and reaches design direction angle；Main seam experimental waste liquid flows into main seam waste liquid tank 27, and branch seam experiment is useless
Liquid stream enters branch seam waste liquid tank 28；After injecting liquid, observation window 24 is stitched by main seam observation window 18 and branch and observes fluid distrbution
Form, injection pressure is read from pressure sensor 15；After experiment, come again injected clear water by aforesaid operations and cleaned
Experimental provision.
Claims (4)
1. a kind of complex fracture, which can heat, becomes inclination angle proppant morphological Simulation device, it is characterised in that including nitrogen cylinder (1), collection
Tracheae (2), air blower (3), air inlet pipe (4), liquid storage cylinder (5), check valve (6), filling funnel (7), fill valve (8), heater
(9), temperature sensor (10), feed tube (11), liquid feed valve (12), fixed support (13), turning arm (14)；Pressure sensor
(15), main seam front shroud (16), main seam back shroud (17), main seam observation window (18), main seam tapping valve (19), main seam exhaust-valve
(20), branch seam hinge (21), branch seam front shroud (22), branch seam back shroud (23), branch seam observation window (24), branch seam tapping valve
(25), branch seam exhaust-valve (26), main seam waste liquid tank (27), branch seam waste liquid tank (28), branch seam rotating wheel (29), dragging track
(30)；Nitrogen cylinder (1) is connected on air blower (3) entrance by discharge (2)；Air blower (3) outlet series connection air inlet pipe (4) is even
Connect the air inlet check valve (6) at liquid storage cylinder (5) place；Filling funnel (7) and temperature sensor (10) connection with fill valve (8)
On liquid storage cylinder (5), heater (9) is also attached on liquid storage cylinder (5) inwall；Fluid passes through feed tube from liquid storage cylinder (5) outlet
(11) enter with liquid feed valve (12) in seam；Main seam is fastened by bolts by main seam front shroud (16) and main seam back shroud (17), and
A pressure sensor (15) is carried in main seam back shroud (17), nowed forming in main seam is observed by main seam observation window (18)；It is main
Seam front shroud (16) and main seam back shroud (17) are seated on fixed support (13)；Main seam right-hand member top connects main seam tapping valve
(19), the main main seam waste liquid tank (27) of seam exhaust-valve (20) access of bottom connection；Branch seam stitches front shroud (22) by branch and branch stitches bonnet
Plate (23) is bolted；The branch seam rotating wheel (29) of branch seam bottom is sitting on dragging track (30) changes branch seam by sliding
Direction；Dragging track (30) is fixed on main seam front shroud (16) bottom and ensures the stable support of branch seam and synchronous inclination angle；Branch seam is right
Hold top connection branch seam tapping valve (25), bottom connection branch seam exhaust-valve (26) access branch seam waste liquid tank (28).
2. liquid storage cylinder (5) according to claim 1 is container hollow and with check valve (6), mulling liquid is mounted in liquid storage
Cylinder (5) inner space, fluid are issued to purpose temperature in heater (9) heating, then export steady pressure by air blower (3)
Nitrogen injection liquid storage cylinder (5), nitrogen promote fluid enter seam in.
3. it can be bolted in main seam front shroud (16) according to claim 1, main seam back shroud (17) and close
Envelope, the logical change tightened and unscrew the main seam crack angle of regulation simulation for wanting turning arm (14).
4. branch seam front shroud (22) according to claim 1, branch seam back shroud (23) stitch rotating wheel (29) by branch and slided
The cooperation of row track (30) changes direction, and its dragging track (30) is fixed with main seam bottom, synchronous with the change at main seam inclination angle to become
Change, the change of simulation branch seam crack angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970371.6A CN107642349A (en) | 2017-10-16 | 2017-10-16 | A kind of complex fracture, which can heat, becomes inclination angle proppant morphological Simulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710970371.6A CN107642349A (en) | 2017-10-16 | 2017-10-16 | A kind of complex fracture, which can heat, becomes inclination angle proppant morphological Simulation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208265A (en) * | 2019-06-20 | 2019-09-06 | 中国石油大学(华东) | Acid-rock reaction list rock beam board slit simulation apparatus and working method |
| CN113091632A (en) * | 2021-04-15 | 2021-07-09 | 陕西延长石油（集团）有限责任公司 | Method for measuring embedding depth of proppant under simulated real fracturing working condition |
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| CN113091632A (en) * | 2021-04-15 | 2021-07-09 | 陕西延长石油（集团）有限责任公司 | Method for measuring embedding depth of proppant under simulated real fracturing working condition |
| CN113091632B (en) * | 2021-04-15 | 2022-09-20 | 陕西延长石油（集团）有限责任公司 | Method for measuring embedding depth of proppant under simulated real fracturing working condition |
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