CN220285731U - Experimental device for minimum miscible pressure of low permeability reservoir - Google Patents
Experimental device for minimum miscible pressure of low permeability reservoir Download PDFInfo
- Publication number
- CN220285731U CN220285731U CN202320147510.6U CN202320147510U CN220285731U CN 220285731 U CN220285731 U CN 220285731U CN 202320147510 U CN202320147510 U CN 202320147510U CN 220285731 U CN220285731 U CN 220285731U
- Authority
- CN
- China
- Prior art keywords
- wall
- filter
- curved
- pipe
- connecting pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000035699 permeability Effects 0.000 title claims description 11
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 210000005239 tubule Anatomy 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model relates to the technical field of experimental devices of minimum miscible pressure of low-permeability reservoirs, in particular to an experimental device of minimum miscible pressure of low-permeability reservoirs, which comprises a gas tank, wherein one side of the gas tank is provided with an oil tank, the upper end and the lower end of the gas tank and the upper end of the oil tank are both communicated with a pipe body, the bottom of the pipe body below is fixedly connected with the output end of an air pump, two curved pipes are arranged above the pipe body above, and the bottom of the curved pipe below is communicated with the inner wall of the pipe body above. Through the cooperation of air pump, gas pitcher, body, oil tank, curved pipe, injection manometer, back pressure table, tubule, back pressure table, return pipe, gasometer, liquid gauge, connecting pipe, filter and connection structure for the device can be through rotating the lead screw when using, and the lead screw drives vertical piece and inwards moves, and vertical piece drives splint inwards and removes, makes splint leave the filter, and the curved pipe of being convenient for need not to rotate a plurality of bolts with the dismantlement of filter, improves work efficiency.
Description
Technical Field
The utility model relates to the technical field of experimental devices for minimum miscible pressure of low-permeability reservoirs, in particular to an experimental device for minimum miscible pressure of a low-permeability reservoir.
Background
At present, many oil fields in China enter the later period of water injection development, the comprehensive water content of oil reservoirs is higher, the crude oil yield is gradually decreased year by year, and if water injection development is continuously adopted, great help is not provided for improving the crude oil recovery ratio. Therefore, enhancement of recovery ratio by gas flooding is becoming more and more important, and particularly for high water-bearing oil reservoirs, low permeability oil reservoirs, hydrocarbon gas injection enhancement is an effective method, and for hydrocarbon gas injection oil reservoirs, the minimum miscible pressure is the minimum pressure of multi-stage contact miscible between injected gas and crude oil at the temperature of the oil reservoir, which is the most important parameter.
The utility model provides a minimum miscible pressure's of low permeability reservoir experimental apparatus (application number: 202120515595. X) avoids single filter live time overlength to influence experimental effect, and can be convenient for carry out dismouting clearance or maintenance to the filter, realize the zonulae occludens of pump body and second return bend, make the two can realize quick assembly disassembly, and then be convenient for follow-up maintenance and maintenance etc. to the pump body, guarantee the result of use of the pump body, can detect the pressure numerical value of pump body and second return bend, and then can detect whether the junction of pump body and second return bend seals, further guarantee the detection effect of experiment, the precision of reinforcing experimental data, above-mentioned still exists, the device is provided with two filters, in order to avoid influencing experimental effect after the filter uses one end time, the setting of two filters can carry out the alternate use, still can test work when dismantling the filter of one side, therefore be convenient for dismantle the filter, but in the concrete operation of dismantling the filter still be difficult, the filter is often installed through the flange and use a plurality of bolts, when dismantling troublesome rotation, whether the junction of pump body and second return bend seal, further guarantee the test data's precision, the device is carried out with the filter, the filter when the filter is required to be connected with the flexible pipe, and can't be connected with the filter, and can't be carried out the device when the flexible pipe is connected to the speed when the filter is carried out in advance to the time order to the time to the flexible pipe to the location.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, the filter is troublesome to detach, a plurality of bolts are required to rotate, the working efficiency is low, deviation occurs when the filter is connected with a curved pipe, and the installation speed is influenced, and provides an experimental device for the minimum miscible pressure of a low-permeability oil reservoir.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an experimental apparatus of minimum miscible pressure of low permeability reservoir, includes the gas pitcher, one side of gas pitcher is equipped with the oil tank, the upper and lower both ends of gas pitcher and oil tank all communicate there is the body, the below the bottom of body and the output fixed connection of air pump, the top of body be equipped with two curved tubes, the below the bottom of curved tube is linked together with the inner wall of upper square body, the top inner wall intercommunication of curved tube has the connecting pipe, the middle inner wall intercommunication of connecting pipe has the tubule, the inboard of curved tube is equipped with the filter, the one end intercommunication of connecting pipe has the liquid gauge, top one side inner wall intercommunication of liquid gauge has the return bend, the one end intercommunication of return bend has the gas gauge, one side of filter is equipped with connection structure, one side of filter is equipped with location structure.
Preferably, the connection structure includes splint, outer wall one side lug and the outer wall one side recess clearance fit of filter of splint, the outer wall opposite side fixedly connected with of splint erects the piece, the outer wall clearance fit of erectting the piece has the sleeve, telescopic one end fixedly connected with diaphragm, outer wall one side of diaphragm and the outer wall one side fixedly connected with of curved tube, the one end of erectting the piece is passed through the bearing and is rotated and be connected with the lead screw, the outer wall of lead screw and the inner wall threaded connection of diaphragm, one side of splint is equipped with the rubber circle, the upper and lower both ends of rubber circle laminate with the one end of filter and the one end of curved tube respectively.
Preferably, an injection pressure gauge is installed on one side of the top of the connecting pipe.
Preferably, a differential pressure gauge is installed at the top of the connecting pipe, and a back pressure gauge is installed at the other side of the top of the connecting pipe.
Preferably, the positioning structure comprises a curved block, one end of the curved block is fixedly connected with one side of the outer wall of the filter, a groove plate is arranged above the outer wall of the curved block in a clearance fit mode, a transverse block is fixedly connected to the top of the groove plate, and one end of the transverse block is fixedly connected with one side of the outer wall of the curved pipe.
The experimental device for the minimum miscible pressure of the low-permeability oil reservoir has the beneficial effects that: through the cooperation of the air pump, the air tank, the pipe body, the oil tank, the curved pipe, the injection pressure gauge, the back pressure gauge, the tubule, the back pressure gauge, the bent pipe, the gas gauge, the liquid gauge, the connecting pipe, the filter and the connecting structure, when the device is used, the vertical block can be driven to move inwards by rotating the screw rod, the screw rod drives the clamping plate to move inwards, the clamping plate is driven to leave the filter by the vertical block, the curved pipe and the filter are convenient to detach, a plurality of bolts do not need to be rotated, and the working efficiency is improved;
through the cooperation of air pump, gas pitcher, body, oil tank, curved pipe, injection manometer, back pressure table, tubule, back pressure table, return pipe, gasometer, liquid gauge, connecting pipe, filter and location structure for the device when using, can be through moving the filter forward, make the filter drive curved piece and move forward, make curved piece get into the rear end recess of frid, and then make curved pipe and filter align, appear the deviation when avoiding filter and curved pipe's connection, influence installation rate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the air pump, air tank and tube body of the present utility model;
FIG. 3 is a schematic view of the cross block, channel plate and curved block configuration of the present utility model;
FIG. 4 is a schematic view of the structure of the vertical block, sleeve and clamping plate of the present utility model;
fig. 5 is a schematic view of the structure of the screw, the cross plate and the sleeve of the present utility model.
In the figure: 1. air pump, 2, connection structure, 201, rubber circle, 202, lead screw, 203, vertical block, 204, diaphragm, 205, sleeve, 206, splint, 3, location structure, 301, horizontal block, 302, grooved plate, 303, curved block, 4, gas tank, 5, body, 6, oil tank, 7, curved pipe, 8, injection pressure gauge, 9, pressure difference gauge, 10, tubule, 11, back pressure gauge, 12, elbow, 13, gas gauge, 14, liquid gauge, 15, connecting pipe, 16, filter.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-5: in this embodiment, an experimental apparatus of minimum miscible pressure of low permeability reservoir, including gas pitcher 4, one side of gas pitcher 4 is equipped with oil tank 6, the upper and lower both ends of gas pitcher 4 and oil tank 6 all communicate there is body 5, the bottom of body 5 of below and the output fixed connection of air pump 1, the model of air pump 1 is according to actual use condition, the top of body 5 of top is equipped with two curved tubes 7, the bottom of curved tube 7 of below is linked together with the inner wall of body 5 of upper side, the top inner wall intercommunication of curved tube 7 of top has connecting pipe 15, the middle inner wall intercommunication of connecting pipe 15 has tubule 10, the inside pressure variation of connecting pipe 15 is observed when designing like this, the inboard of curved tube 7 is equipped with filter 16, the one end intercommunication of connecting pipe 15 has liquid gauge 14, the top one side inner wall intercommunication of liquid gauge 14 has return bend 12, the one end intercommunication of bend 12 has air gauge 13, the top one side of connecting pipe 15 is installed to inject pressure gauge 8, the top of 15 is installed pressure gauge 9, pressure gauge 9 measures the pressure differential of tubule 10 and 15's opposite side, the top of connecting pipe 15 is equipped with filter 16 back pressure gauge 11, the filter 16 is equipped with filter 3 when the structure is equipped with filter 16, the speed of connection is 3 is equipped with filter 16, the structure is convenient for the improvement, the speed of connection is connected with filter 3, the structure is connected with filter 16 is 3 when the structure is connected with the structure is more is easy to be connected, the speed is avoided.
The connection structure 2 comprises a clamping plate 206, a protruding block on one side of the outer wall of the clamping plate 206 is in clearance fit with a groove on one side of the outer wall of the filter 16, a vertical block 203 is fixedly connected to the other side of the outer wall of the clamping plate 206, a sleeve 205 is arranged on the outer wall of the vertical block 203 in clearance fit, a limiting effect is achieved when the sleeve 205 moves under the force of the vertical block 203, one end of the sleeve 205 is fixedly connected with a transverse plate 204, one side of the outer wall of the transverse plate 204 is fixedly connected with one side of the outer wall of the curved pipe 7, a screw rod 202 is rotatably connected to one end of the vertical block 203 through a bearing, the screw rod 202 can rotate at one end of the vertical block 203 when the bearing enables the screw rod 202 to bear the force, the outer wall of the screw rod 202 is in threaded connection with the inner wall of the transverse plate 204, one side of the clamping plate 206 is provided with a rubber ring 201, the rubber ring 201 plays a sealing role, the upper end and the lower end of the rubber ring 201 are respectively attached to one end of the filter 16 and one end of the curved pipe 7, the screw rod 202 drives the vertical block 203 to move inwards, the vertical block 203 drives the clamping plate 206 to move inwards, the clamping plate 206 is enabled to leave the filter 16, the curved pipe 7 and the filter 16 is not required to be dismounted conveniently, and a plurality of bolts are rotated, and working efficiency is improved.
The positioning structure 3 comprises a curved block 303, one end of the curved block 303 is fixedly connected with one side of the outer wall of the filter 16, a groove plate 302 is arranged above the outer wall of the curved block 303 in a clearance fit mode, when the curved block 303 is stressed, the groove plate 302 can move back and forth in a rear end groove, a groove is formed in the rear end of the groove plate 302, the top of the groove plate 302 is fixedly connected with a transverse block 301, one end of the transverse block 301 is fixedly connected with one side of the outer wall of the curved pipe 7, the filter 16 is moved forwards, the filter 16 drives the curved block 303 to move forwards, the curved block 303 enters the groove at the rear end of the groove plate 302, the curved pipe 7 is aligned with the filter 16, and deviation of the filter 16 and the curved pipe 7 during connection is avoided, and the installation speed is influenced.
Working principle:
firstly, when an experimental device with the minimum miscible pressure of a low-permeability reservoir is used, one side valve of an upper curved pipe 7 and a lower curved pipe 7 is closed, the other side valve is opened, and then the switching of the two filters 16 is realized, so that the influence of a long-time use of one filter 16 on the experimental result is avoided, when the filter 16 on one side is disassembled, the screw rod 202 is rotated, the screw rod 202 drives the vertical block 203 to move inwards, the vertical block 203 drives the clamping plate 206 to move inwards, the clamping plate 206 is separated from the filter 16, the disassembly of the curved pipe 7 and the filter 16 is facilitated, a plurality of bolts are not required to be rotated, the disassembly of the filter 16 is realized, when the filter 16 is installed, the filter 16 is moved forwards, the filter 16 drives the curved block 303 to move forwards, the curved block 303 enters the rear end groove of the groove plate 302, and then the curved pipe 7 is aligned with the filter 16, and the influence on the installation speed due to the deviation when the connection of the filter 16 and the curved pipe 7 is avoided.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (5)
1. The utility model provides an experimental apparatus of minimum miscible phase pressure of low permeability oil reservoir, includes gas pitcher (4), its characterized in that: one side of gas pitcher (4) is equipped with oil tank (6), the upper and lower both ends of gas pitcher (4) and oil tank (6) all communicate there is body (5), below the bottom of body (5) and the output fixed connection of air pump (1), the top of body (5) is equipped with two curved tubes (7), below the bottom of curved tube (7) is linked together with the inner wall of body (5) in top, the top curved tube (7) top inner wall intercommunication has connecting pipe (15), the middle inner wall intercommunication of connecting pipe (15) has tubule (10), the inboard of curved tube (7) is equipped with filter (16), the one end intercommunication of connecting pipe (15) has liquid gauge (14), the top one side inner wall intercommunication of liquid gauge (14) has return bend (12), the one end intercommunication of return bend (12) has gas gauge (13), one side of filter (16) is equipped with connection structure (2), one side of filter (16) is equipped with location structure (3).
2. The experimental apparatus for low permeability reservoir minimum miscible pressure as claimed in claim 1, wherein: connection structure (2) include splint (206), the outer wall one side lug of splint (206) and the outer wall one side recess clearance fit of filter (16), the outer wall opposite side fixedly connected with of splint (206) erects piece (203), the outer wall clearance fit of erectting piece (203) has sleeve (205), the one end fixedly connected with diaphragm (204) of sleeve (205), the outer wall one side of diaphragm (204) and the outer wall one side fixed connection of curved tube (7), the one end of erectting piece (203) is connected with lead screw (202) through the bearing rotation, the outer wall of lead screw (202) and the inner wall threaded connection of diaphragm (204), one side of splint (206) is equipped with rubber circle (201), the upper and lower both ends of rubber circle (201) laminate with the one end of filter (16) and the one end of curved tube (7) respectively.
3. The experimental apparatus for low permeability reservoir minimum miscible pressure as claimed in claim 1, wherein: an injection pressure gauge (8) is arranged on one side of the top of the connecting pipe (15).
4. The experimental apparatus for low permeability reservoir minimum miscible pressure as claimed in claim 1, wherein: the top of connecting pipe (15) is installed pressure gauge (9), back pressure gauge (11) are installed to the top opposite side of connecting pipe (15).
5. The experimental apparatus for low permeability reservoir minimum miscible pressure as claimed in claim 1, wherein: the positioning structure (3) comprises a curved block (303), one end of the curved block (303) is fixedly connected with one side of the outer wall of the filter (16), a groove plate (302) is in clearance fit with the upper part of the outer wall of the curved block (303), a transverse block (301) is fixedly connected to the top of the groove plate (302), and one end of the transverse block (301) is fixedly connected with one side of the outer wall of the curved pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147510.6U CN220285731U (en) | 2023-02-08 | 2023-02-08 | Experimental device for minimum miscible pressure of low permeability reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147510.6U CN220285731U (en) | 2023-02-08 | 2023-02-08 | Experimental device for minimum miscible pressure of low permeability reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285731U true CN220285731U (en) | 2024-01-02 |
Family
ID=89339292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320147510.6U Active CN220285731U (en) | 2023-02-08 | 2023-02-08 | Experimental device for minimum miscible pressure of low permeability reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285731U (en) |
-
2023
- 2023-02-08 CN CN202320147510.6U patent/CN220285731U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204255690U (en) | Piston type underground water sampler | |
| CN202166572U (en) | Water pressure testing machine for heavy-caliber fiber reinforced plastic pipe | |
| CN208206719U (en) | Coal seam with gas absorption-desorption-seepage experimental apparatus under high-temperature and high-pressure conditions | |
| CN220285731U (en) | Experimental device for minimum miscible pressure of low permeability reservoir | |
| CN216559591U (en) | Be used for fire hose valve detection device | |
| CN201622177U (en) | Pressure testing device of blowout preventer | |
| CN208900074U (en) | It is a kind of for controlling the auxiliary device in cementing plug face | |
| CN202250062U (en) | Pollution-free sampling device for oil well | |
| CN201311373Y (en) | Thread slowly receding constant-pressure sampler | |
| CN207647508U (en) | Note the online closed sampling device of polymers | |
| CN211422614U (en) | Detachable water injection well single current valve | |
| CN110529367B (en) | Hydraulic end structure of high-pressure reciprocating diaphragm pump | |
| CN203203761U (en) | Detection system for mechanical seal moving ring | |
| CN220523567U (en) | PVC pipeline joint convenient to detach | |
| CN216867520U (en) | Quick detachable valve of gas pipeline | |
| CN216383613U (en) | Water and gas multichannel sequencing pipeline convenient to disassemble and assemble | |
| CN201013308Y (en) | Sand-proof oil drain valve | |
| CN217300492U (en) | Portable oil outlet pipe of built-in oil-well pump | |
| CN215908054U (en) | High-precision metering pump | |
| CN220039742U (en) | Gas pipeline gas tightness test tool | |
| CN220891207U (en) | Air bag type back pressure valve | |
| CN220539818U (en) | High-precision split type hydraulic drive diaphragm metering pump | |
| CN208765772U (en) | A kind of wedge flow meter | |
| CN220834386U (en) | Liquid supply filtering device of well cementation cement vehicle | |
| CN204705470U (en) | A kind of packer performance pick-up unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |