CN209369793U - A kind of densification oil volume pressure break starting Pressure-seepage Flow rule electric copying device - Google Patents
A kind of densification oil volume pressure break starting Pressure-seepage Flow rule electric copying device Download PDFInfo
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- CN209369793U CN209369793U CN201821888117.8U CN201821888117U CN209369793U CN 209369793 U CN209369793 U CN 209369793U CN 201821888117 U CN201821888117 U CN 201821888117U CN 209369793 U CN209369793 U CN 209369793U
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Abstract
The utility model discloses a kind of fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device, the power supply of closed circuit is formed including connecting, switch, horizontal well volume fracturing stitches net simulator and ammeter, and stretch to horizontal well volume fracturing seam net simulator in probe, and it is parallel to the voltmeter between probe and horizontal well volume fracturing seam net simulator, it further include the diode and adjustable resistance connected in the closed circuit, and one end of voltmeter is connected with probe, the other end of voltmeter is connected between diode and horizontal well volume fracturing seam net simulator；It is characterized in that, the fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device further includes the electronic slide unit of XY, the electronic slide unit of XY is used to drive the probe mobile in two dimensions of same level, consequently facilitating experimenter acquires the data of multiple positions, the inconvenience manually adjusted is avoided.
Description
Technical field
The utility model relates to oil-gas field development technical fields, and in particular to a kind of densification oil volume pressure break starting pressure infiltration
Flow regular electric copying device.
Background technique
Fine and close oil is the abbreviation of compact reservoir oil, refer to be clipped in or close to high-quality oil-generative assemblage compact clastic rock or carbon
In hydrochlorate reservoir, the oil accumulation formed without extensive long-distance migration is and Source Beds symbiosis or adjacent big
The continuously distributed petroleum resources of area.Generally without natural production capacity, need that industrial production capacity could be formed by massive hydraulic fracture.It preserves
Layer lithology mainly includes tight sand, compact limestone and carbonate rock, covers pressure matrix permeability and is less than 0.1mD, individual well is without nature
Industrial production capacity.The development scheme of fine and close oil is similar with shale gas, mostly uses fractured horizontal well technology.
Fine and close oil is the another new hot spot of the global unconventional oil and gas exploration and development after shale gas, is praised by petroleum industrial circle
For " dark fund ".Pay much attention to the exploration and development of fine and close oil in the U.S., it is intended to replicate " shale gas " mode, realize " crude oil is self-supporting ".
The fine and close oil breakthrough 7950 of the oil field Elm Coulee of the basin Williston in 2006 Bakken group, has greatly improved fine and close exploration activity
The confidence of exploitation, has attracted great amount of investment.The fine and close oil of Bakken group in 2008 realizes scale development, which is confirmed as the whole world
One of ten great discoveries.Densification exploration activity development investment in the U.S.'s reaches 51,400,000,000 dollars of peak within 2009.The fine and close oil in the U.S. in 2010
Yield breaks through 3000 × 104t, and the oil production rate downward trend for making the U.S. continue 24 years is reversed for the first time.Currently, United States
Fine and close oil producing well is more than 2000 mouthfuls, average individual well oil-producing 12t/d.It is expected that the year two thousand twenty the whole America densification oil yield be up to 1.5 ×
108t makes the crude oil total output in the U.S. increase by 1/3, greatly reduces external dependence degree, change world energy sources general layout to a certain degree.
From the point of view of current situation, world's Demand of Oil & Gas can constantly become larger.State, unconventional oil are explored relative to Global Oil
Gas must become the frontier of exploitation；And fine and close oil formation condition is than advantageous for China, so fine and close oil is for I
The important frontier of state's future unconventional oil and gas.Firstly, showing absolute predominance on China's densification oilreserves, oil in place is
Bucket, technologically recoverable reserves are bucket, are only second to Russia and the U.S..Secondly, China's densification oil distribution also embody extensively absolutely it is excellent
Gesture, China has the fine and close oil of discovery in 5 basins, respectively Erdos extension group, the Junggar Basin Permian System, Sichuan at present
Basin low~middle Jurassic, Bohai Sea Gulf Sha Jie group, Song-liao basin Qingshankou group, wherein Ordos Basin extension group has entered industry
Metaplasia produces.And foring --- the extensive horizontal well volume fracturing seam net renovation technique of-" all places liquid, thousand side's sand " to cause
Close oil well yield obtains first-stage success.
Fine and close oil reservoir has the characteristics that matrix gap venturi is tiny, reservoir properties are poor and heterogeneity is strong, crude oil flow
Show as different seepage flow mechanisms.The research of fluid neuron network rule generally uses water power experimental analogic method, emphasis after horizontal well pressure
Investigate the factors such as distribution, position, item number, the length in horizontal well crack.Horizontal well complete period production capacity is split by establishing fine and close oil pressure
Prediction model, the influence of assay sensitivity parameter, it is believed that starting pressure is one of important factor in order.
As shown in Figure 1, published Chinese utility model patent application (application number: 201621132407.0, is applied at present
Day: it 2016.10.17) proposes to start Pressure-seepage Flow rule electric copying device using fine and close oil volume pressure break, including series connection is formed and closed
Power supply 01, switch 02, horizontal well volume fracturing the seam net simulator and ammeter 010 in circuit are closed, and stretches to horizontal well
Volume fracturing stitches the probe 05 in net simulator and is parallel between probe 05 and horizontal well volume fracturing seam net simulator
Voltmeter 04 further include the diode 03 and adjustable resistance 09 connected in the closed circuit, and one end of voltmeter 04 and spy
Needle 05 is connected, and the other end of voltmeter 04 is connected between diode 03 and horizontal well volume fracturing seam net simulator.Using
Diode simulates fine and close oil volume pressure break and starts pressure, is more in line with truth；Major fracture, small copper sheet are simulated using big copper sheet
Time crack is simulated, and then constitutes volume fracturing single cluster and stitches net, it can the percolation law of fine and close oil and pre- under approximate simulation truth
Production capacity is surveyed, the horizontal plane position of the probe 05 in densification oil volume pressure break starting Pressure-seepage Flow rule electric copying device needs reality
The personnel of testing, which manually adjust, is arranged in multiple and different points, to realize the acquisition of the data of multiple positions, but manually adjusts not
It is enough convenient.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, provide a kind of fine and close oil volume pressure break starting pressure infiltration
Regular electric copying device is flowed, is solved in fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device in the prior art
The horizontal plane position of probe manually adjusts not convenient enough technical problem.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of fine and close oil volume pressure break starting pressure
Percolation law electric copying device forms power supply, switch, horizontal well volume fracturing the seam net simulator of closed circuit including connecting
And ammeter, and stretch to horizontal well volume fracturing and stitch the probe in net simulator and be parallel to probe and horizontal well body
The voltmeter between fracture network simulator is overstock, further includes the diode and adjustable resistance connected in the closed circuit, and
One end of voltmeter is connected with probe, and the other end of voltmeter is connected to diode and horizontal well volume fracturing stitches net simulator
Between；The horizontal well volume fracturing seam net simulator includes the reservoir that outer wall is insulation outer wall, is horizontally set on liquid storage
Horizontal well pit shaft copper wire and volume fracturing single cluster in slot stitch net, and the cathode of power supply is connected to the inner wall of reservoir, and power supply is just
Pole is connected to one end of horizontal well pit shaft copper wire；It includes vertical along horizontal well pit shaft copper wire length direction that volume fracturing single cluster, which stitches net,
It is arranged and is provided on the multiple major fracture copper sheets and each major fracture copper sheet that are connected with horizontal well pit shaft copper wire along major fracture
Multiple secondary crack copper sheets that the length direction of copper sheet is connected according to predetermined angle and with major fracture copper sheet, which is characterized in that institute
The fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device stated further includes the electronic slide unit of XY, the electronic slide unit packet of XY
The first sliding part and the second sliding part are included, first sliding part includes the first sliding rail, the first sliding block and the first driving mechanism, institute
The first sliding rail lateral arrangement is stated, and first sliding rail is fixed on the side of the reservoir；First sliding block is slidably connected
In first sliding rail；First driving mechanism is connected to first sliding block, for driving first sliding block described in
The movement of first sliding rail；Second sliding part includes the second sliding rail, the second sliding block and the second driving mechanism, and second sliding rail is vertical
To arrangement, second sliding rail is fixedly connected with first sliding block；Second sliding block is slidably connected to second sliding rail；
Second driving mechanism is connected to second sliding block, for driving second sliding block to move along second sliding rail；Institute
The upper end for stating probe is fixedly connected with second sliding block.
Compared with prior art, the beneficial effects of the utility model include: densification oil volume pressure break starting Pressure-seepage Flow
The electronic slide unit of XY in regular electric copying device is used to drive the probe mobile in two dimensions of same level, thus just
The data of multiple positions are acquired in experimenter, avoid the inconvenience manually adjusted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device in the prior art.
Fig. 2 is the vertical view face structural schematic diagram of the utility model.
Fig. 3 is the partial enlargement structural representation in Fig. 2 at C.
Fig. 4 is the face B-B the schematic diagram of the section structure in Fig. 2.
Fig. 5 is the partial enlargement structural representation in Fig. 4 at D.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 2~5 are please referred to, the present embodiment provides a kind of fine and close oil volume pressure break starting Pressure-seepage Flow rule electrical analogue dresses
It sets, forms power supply 1, switch 2, horizontal well volume fracturing the seam net simulator and ammeter 10 of closed circuit including connecting, with
And it stretches to horizontal well volume fracturing and stitches the probe 5 in net simulator and be parallel to probe 5 and horizontal well volume fracturing seam net
Voltmeter 4 between simulator, further includes the diode 3 and adjustable resistance 9 connected in the closed circuit, and voltmeter 4
One end be connected with probe 5, the other end of voltmeter 4 be connected to diode 3 and horizontal well volume fracturing seam net simulator it
Between；The horizontal well volume fracturing seam net simulator includes the reservoir 8 that outer wall is insulation outer wall, is horizontally set on reservoir
Horizontal well pit shaft copper wire 6 and volume fracturing single cluster in 8 stitch net 11, and the cathode of power supply 1 is connected to the inner wall of reservoir 8, power supply 1
Anode be connected to one end of horizontal well pit shaft copper wire 6；NaCl solution 7 is filled in reservoir 1, and NaCl solution 7 needs no mistake
Horizontal well pit shaft copper wire 6 and volume fracturing single cluster stitch net 11；Volume fracturing single cluster seam net 11 includes long along horizontal well pit shaft copper wire 6
Degree direction is vertically arranged and sets on the multiple major fracture copper sheets and each major fracture copper sheet that are connected with horizontal well pit shaft copper wire 6
The multiple secondary crack copper sheets being connected along the length direction of major fracture copper sheet according to predetermined angle and with major fracture copper sheet are equipped with,
It is characterized in that, the fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device further includes the electronic slide unit of XY, described
The electronic slide unit of XY includes the first sliding part 11 and the second sliding part 12, and first sliding part 11 includes the first sliding rail 111, first
Sliding block 112 and the first driving mechanism 113,111 lateral arrangement of the first sliding rail, and first sliding rail 111 are fixed on described
The side of reservoir 8；First sliding block 112 is slidably connected to first sliding rail 111；First driving mechanism 113 connects
It is connected to first sliding block 112, for driving first sliding block 112 to move along first sliding rail 111；Second sliding
Portion 12 includes the second sliding rail 121, the second sliding block 122 and the second driving mechanism 123, and second sliding rail 121 is longitudinally arranged, described
Second sliding rail 121 is fixedly connected with first sliding block 112；Second sliding block 122 is slidably connected to second sliding rail
121；Second driving mechanism 123 is connected to second sliding block 122, for driving second sliding block 122 along described
The movement of two sliding rails 121；The upper end of the probe 5 is fixedly connected with second sliding block 122；Densification oil volume pressure break starting pressure
The electronic slide unit of XY in power percolation law electric copying device is used to that the probe 5 to be driven to move in two dimensions of same level
It is dynamic, consequently facilitating experimenter acquires the data of multiple positions, avoid the inconvenience manually adjusted；Preferably, described
One driving mechanism 113 and second driving mechanism 123 are the feed screw nut vice mechanism of servo motor driving；In the control of PLC
Under system, first driving mechanism 113 and second driving mechanism 123 can drive the probe 5 to transport according to preset track
It is dynamic.
Preferably, fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device further includes third sliding rail
13, the third sliding rail cross 13 is fixedly connected to the other side for being arranged in the reservoir 8, and with the reservoir 8；Described
The upper surface of three sliding rails 13, which is recessed downwards, forms the sliding groove 13a of a lateral arrangement；Second sliding rail 121 is close to the third
The bottom of one end of sliding rail 13 is provided with idler wheel 121a, and the lower end of the idler wheel 121a is built in the sliding groove 13a, and with institute
The slot bottom for stating sliding groove 13a is in contact, so that the movement of second sliding rail 121 is more steady.
In the present embodiment, the fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device further includes two slow
Component 14 is rushed, two Buffer Units 14 are built in the both ends of the sliding groove 13a respectively, and each Buffer Unit 14 is
Including the first connecting plate 141, the second connecting plate 142, helical spring 143, bellows 144, first connecting plate 141, spiral
Spring 143, the second connecting plate 142 are sequentially arranged along the length direction of the sliding groove 13a, and the one of first connecting plate 141
End is fixedly connected with one end of the sliding groove 13a, and one end of the helical spring 143 and first connecting plate 141 are fixed
Connection, the other end of the helical spring 143 are fixedly connected with second connecting plate 142；The bellows 144 is coaxially arranged
In the helical spring 143, one end of the bellows 144 and first connecting plate 141 are tightly connected, the bellows
144 other end and second connecting plate 142 are tightly connected, and the bellows 144 has elasticity；When the idler wheel 121a is transported
When moving to the both ends of the sliding groove 13a, the helical spring 143 and the bellows 144 rush the idler wheel 121a
It hits and plays damping effect.
Preferably, the middle part of second connecting plate 142 offers a through-hole being connected to 144 inner cavity of bellows
The diameter of 142a, the through-hole 142a be 144 minimum diameter of bellows 1/10~1/8, when the bellows 144 by
When impact force is compressed, the air in the bellows 144 can be sprayed from the through-hole 142a to the idler wheel 121a, into one
Step plays the role of buffer-braking to the idler wheel 121a.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical
In novel scope of protection of the claims.
Claims (5)
1. a kind of densification oil volume pressure break starts Pressure-seepage Flow rule electric copying device, the electricity of closed circuit is formed including connecting
Source, switch, horizontal well volume fracturing seam net simulator and ammeter, and stretch to horizontal well volume fracturing seam net simulation dress
The voltmeter setting interior probe and being parallel between probe and horizontal well volume fracturing seam net simulator, further includes connecting
Diode and adjustable resistance in the closed circuit, and one end of voltmeter is connected with probe, the other end of voltmeter is connected to
Between diode and horizontal well volume fracturing seam net simulator；The horizontal well volume fracturing seam net simulator includes outer wall
Reservoir, the horizontal well pit shaft copper wire that is horizontally set in reservoir and volume fracturing single cluster for the outer wall that insulate stitch net, power supply
Cathode be connected to the inner wall of reservoir, the anode of power supply is connected to one end of horizontal well pit shaft copper wire；Volume fracturing single cluster seam
Net includes the multiple major fracture copper for being vertically arranged along horizontal well pit shaft copper wire length direction and being connected with horizontal well pit shaft copper wire
Be provided on piece and each major fracture copper sheet length direction along major fracture copper sheet according to predetermined angle and with major fracture copper sheet phase
Multiple secondary crack copper sheets of connection, which is characterized in that the fine and close oil volume pressure break starting Pressure-seepage Flow rule electrical analogue dress
Setting further includes the electronic slide unit of XY, and the electronic slide unit of XY includes the first sliding part and the second sliding part, the first sliding part packet
The first sliding rail, the first sliding block and the first driving mechanism, the first sliding rail lateral arrangement are included, and first sliding rail is fixed on institute
State the side of reservoir；First sliding block is slidably connected to first sliding rail；First driving mechanism is connected to described
First sliding block, for driving first sliding block to move along first sliding rail；Second sliding part includes the second sliding rail, the
Two sliding blocks and the second driving mechanism, second sliding rail are longitudinally arranged, and second sliding rail is fixedly connected with first sliding block；
Second sliding block is slidably connected to second sliding rail；Second driving mechanism is connected to second sliding block, for driving
Second sliding block is moved to move along second sliding rail；The upper end of the probe is fixedly connected with second sliding block.
2. densification oil volume pressure break according to claim 1 starts Pressure-seepage Flow rule electric copying device, which is characterized in that
The fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device further includes third sliding rail, and the third sliding rail is lateral
It is arranged in the other side of the reservoir, and is fixedly connected with the reservoir；The upper surface of the third sliding rail is to lower recess
Form the sliding groove of a lateral arrangement；Second sliding rail is provided with idler wheel close to the bottom of one end of the third sliding rail, institute
The lower end for stating idler wheel is built in the sliding groove, and is in contact with the slot bottom of the sliding groove.
3. densification oil volume pressure break according to claim 2 starts Pressure-seepage Flow rule electric copying device, which is characterized in that
The fine and close oil volume pressure break starting Pressure-seepage Flow rule electric copying device further includes two Buffer Units, two bufferings
Component is built in the both ends of the sliding groove respectively, and each Buffer Unit includes the first connecting plate, the second connecting plate, spiral shell
Revolve spring, bellows, first connecting plate, helical spring, the second connecting plate along the sliding groove length direction successively cloth
It sets, one end of first connecting plate is fixedly connected with one end of the sliding groove, one end of the helical spring and described the
One connecting plate is fixedly connected, and the other end of the helical spring is fixedly connected with second connecting plate；The bellows is coaxial
Be sheathed on the helical spring, one end of the bellows and first connecting plate are tightly connected, the bellows it is another
End is tightly connected with second connecting plate, and the bellows has elasticity.
4. densification oil volume pressure break according to claim 3 starts Pressure-seepage Flow rule electric copying device, which is characterized in that
A through-hole being connected to the ripple tube cavity is offered in the middle part of second connecting plate.
5. densification oil volume pressure break according to claim 4 starts Pressure-seepage Flow rule electric copying device, which is characterized in that
The diameter of the through-hole is the 1/10~1/8 of the bellows minimum diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888117.8U CN209369793U (en) | 2018-11-15 | 2018-11-15 | A kind of densification oil volume pressure break starting Pressure-seepage Flow rule electric copying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821888117.8U CN209369793U (en) | 2018-11-15 | 2018-11-15 | A kind of densification oil volume pressure break starting Pressure-seepage Flow rule electric copying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988041A (en) * | 2019-12-26 | 2020-04-10 | 中国石油大港油田勘探开发研究院 | Low-permeability condensate gas reservoir productivity testing device and method |
| CN112343572A (en) * | 2020-10-27 | 2021-02-09 | 长江大学 | Production simulation collection system that carbonate rock reservoir acidizing fracturing was reformed transform |
| CN113219000A (en) * | 2021-04-25 | 2021-08-06 | 淮北市平远软岩支护工程技术有限公司 | Method and equipment for predicting rock burst through brittle micro-failure phenomenon of rock mass |
-
2018
- 2018-11-15 CN CN201821888117.8U patent/CN209369793U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988041A (en) * | 2019-12-26 | 2020-04-10 | 中国石油大港油田勘探开发研究院 | Low-permeability condensate gas reservoir productivity testing device and method |
| CN110988041B (en) * | 2019-12-26 | 2022-04-08 | 中国石油大港油田勘探开发研究院 | Low-permeability condensate gas reservoir productivity testing device and method |
| CN112343572A (en) * | 2020-10-27 | 2021-02-09 | 长江大学 | Production simulation collection system that carbonate rock reservoir acidizing fracturing was reformed transform |
| CN113219000A (en) * | 2021-04-25 | 2021-08-06 | 淮北市平远软岩支护工程技术有限公司 | Method and equipment for predicting rock burst through brittle micro-failure phenomenon of rock mass |
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