CN112943189A - High-sealing-performance water-flooding simulation system equipment for fractured reservoirs - Google Patents
High-sealing-performance water-flooding simulation system equipment for fractured reservoirs Download PDFInfo
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- CN112943189A CN112943189A CN202110488622.3A CN202110488622A CN112943189A CN 112943189 A CN112943189 A CN 112943189A CN 202110488622 A CN202110488622 A CN 202110488622A CN 112943189 A CN112943189 A CN 112943189A
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- 238000004088 simulation Methods 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 12
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 18
- 239000010985 leather Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims 3
- 210000000476 body water Anatomy 0.000 abstract description 8
- 206010017076 Fracture Diseases 0.000 description 13
- 208000010392 Bone Fractures Diseases 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 208000006670 Multiple fractures Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a crack reservoir body water displacement simulation system device with high sealing property, which comprises a back pressure simulation box, wherein a loading type back pressure valve is arranged on the front side of the back pressure simulation box, an electric pump is arranged at the bottom of the back pressure simulation box, an adjusting wheel disc is arranged on the front side of the electric pump, a voltage stabilizer is arranged on one side of the adjusting wheel disc, a sealing connecting strip is arranged at the top of the back pressure simulation box, an instrument box is arranged outside the sealing connecting strip, a state instrument is arranged on the front side of the instrument box, an adjusting switch is arranged on one side of the state instrument, a pressurizing rod is arranged on one side of the back pressure simulation box, a winding machine is arranged at the top of the pressurizing rod, a hook is arranged at the bottom of the winding machine, a base is arranged at the bottom of the pressurizer; this crack reservoir body water displacement of reservoir oil analog system equipment that leakproofness is high can reach the purpose of connecting stably, simple structure, sealed effectual through setting up sealed connecting strip.
Description
Technical Field
The invention relates to the technical field of fracture reservoir body water flooding simulation system equipment, in particular to fracture reservoir body water flooding simulation system equipment with high sealing performance.
Background
The carbonate fracture-cave oil reservoir belongs to a high-temperature high-pressure oil reservoir (the formation pressure reaches 50-60MPa, the temperature is 120 ℃), a fracture system is an important factor influencing the oil-water movement law, and the opening and closing conditions of fractures with different dimensions are different under different water injection pressures. The microcracks are closed in a low-pressure environment, the accumulated injection-production ratio rises along with the increase of water injection time, the formation pressure rises, the microcracks are easy to open, a high-permeability channel is formed, and the advancing direction of a waterline is controlled. Therefore, in order to simulate the oil-water two-phase flow motion law of a fracture system under the condition of formation pressure and temperature and measure the flow capacity of fractures with different dimensions under different pressure conditions, a water flooding simulation system suitable for single fractures and multiple fractures with different dimensions under different formation pressures and temperatures needs to be manufactured in a trial mode to guide the development and design of fractured reservoirs. In order to achieve the purpose of guiding the development and design of a fractured reservoir, the fracture reservoir body water flooding simulation needs to be carried out, and the opening/closing and seepage capabilities of fractures with different geometric sizes under different pressure and temperature conditions are researched and simulated. On one hand, the change rule of the opening/closing and seepage capacity of the crack under different water injection pressure and temperature conditions is obtained by a physical pressurizing and heating system in combination with other experimental equipment systems, and on the other hand, background calculation and analysis integrated software is compiled in order to realize simplicity in operation, intelligence in experiment, accuracy in data acquisition and individuation in data analysis.
The prior art has the following defects or problems:
1. in the prior art, no sealing measure is arranged at the connection position of each box body, so that when the equipment is used, the equipment is easy to have a connection gap due to high humidity and pressure of a working environment, and the problem of untight connection of the equipment is caused;
2. in the prior art, the design and manufacture mostly adopt an integral type, so the size is huge, and the movement, the maintenance and the operation are inconvenient when in use.
Disclosure of Invention
The invention aims to provide a fracture reservoir body water flooding simulation system device with high sealing property aiming at the defects of the prior art so as to solve the problems of poor sealing property and large volume in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-tightness fracture reservoir body water flooding simulation system device comprises a back pressure simulation box, wherein a loading type back pressure valve is arranged on the front surface of the back pressure simulation box, the bottom of the back pressure simulation box is provided with an electric pump, the front of the electric pump is provided with an adjusting wheel disc, a voltage stabilizer is arranged on one side of the adjusting wheel disc, a sealing connecting strip is arranged on the top of the back pressure simulation box, an instrument box is arranged outside the sealing connecting strip, a state instrument is arranged on the front surface of the instrument box, one side of the state instrument is provided with an adjusting switch, one side of the back pressure simulation box is provided with a pressurizing rod, the top of pressurization pole is provided with the winder, the bottom of winder is provided with the couple, the bottom of pressurization pole is provided with the base, the top of base is provided with the presser, the outside of presser is provided with the fixed plate.
As a preferable technical scheme of the present invention, a container box is disposed on the other side of the pressurizing rod, a display instrument is disposed on the front surface of the container box, a sealing plate is disposed on the top of the container box, an intermediate device is disposed inside the sealing plate, a control box is disposed on the other side of the container box, a display screen is disposed on the front surface of the control box, an injection pump is disposed on the other side of the control box, and a pump rod is disposed inside the injection pump.
As a preferred technical scheme of the invention, the back pressure simulation box is movably connected with the instrument box through a sealing connecting strip, the outer part of the sealing connecting strip is provided with a rubber sealing strip, four groups of loading type back pressure valves are arranged, and the loading type back pressure valves are fixedly connected with the back pressure simulation box through welding.
As a preferable technical scheme of the invention, a bolt is arranged between the electric pump and the back pressure simulation box, the electric pump is movably connected with the back pressure simulation box through the bolt, a lead is arranged between the electric pump and the state instrument, the electric pump is connected with the state instrument through the lead in a display manner, a lead is arranged between the electric pump and the regulating switch, and the electric pump is connected with the regulating switch through the lead in a display manner.
As a preferred technical scheme of the invention, a wire is arranged between the voltage stabilizer and the electric pump, the voltage stabilizer is electrically connected with the electric pump through the wire, the pressurizing rod is fixedly connected with the winding machine through welding, a chain is arranged between the winding machine and the hook, and the winding machine is in transmission connection with the hook through the chain.
As a preferable technical scheme of the invention, the pressurizer is movably connected with the fixing plate through clamping, the base is fixedly connected with the pressurizing rod through welding, and the fixing plate is fixedly connected with the pressurizing rod through welding.
As a preferable technical scheme of the invention, the number of the intermediate devices is two, a thread is arranged between the sealing plate and the intermediate device, the sealing plate is movably connected with the intermediate device through the thread, the number of the display instruments is two, a lead is arranged between the display instrument and the intermediate device, the display instrument is connected with the intermediate device through the lead in a display manner, and the display instrument is fixedly connected with the container box through welding.
As a preferable technical scheme of the invention, the control box is fixedly connected with the injection pump through welding, two pump rods are arranged, a suction sheet is arranged between the pump rods and the injection pump, and the pump rods are movably connected with the injection pump through the suction sheet.
As a preferable technical scheme of the invention, a leather hose is arranged between the back pressure simulation box and the pressurizer, the back pressure simulation box is in power connection with the pressurizer through the leather hose, the leather hose is arranged between the pressurizer and the intermediate device, the pressurizer is in transportation connection with the intermediate device through the leather hose, a guide pipe is arranged between the pump rod and the intermediate device, and the pump rod is movably connected with the intermediate device through the guide pipe.
Compared with the prior art, the invention provides a high-tightness fracture reservoir body water flooding simulation system device, which has the following beneficial effects:
1. according to the high-tightness water-drive simulation system equipment for the fractured reservoir body, the sealing connecting strips are arranged, so that connecting gaps among the box bodies can be filled through the sealing connecting strips, and the purposes of stable connection, simple structure and good sealing effect are achieved;
2. this crack reservoir body displacement of reservoir oil of water analog system equipment that leakproofness is high through setting up the leather hose for entire system adopts the modularized design, and is independent each other between each module, is convenient for remove, and the operation and the maintenance of being convenient for can increase or change arbitrary module according to the needs of experiment, thereby reaches different experimental functions.
Drawings
FIG. 1 is a schematic structural diagram of a back pressure simulation box according to the present invention;
FIG. 2 is a schematic view of a pressurizer of the present invention;
FIG. 3 is a schematic view of the container of the present invention;
FIG. 4 is a schematic view of the structure of the injection part of the present invention.
In the figure: 1. a back pressure simulation box; 2. a load-type back pressure valve; 3. an electric pump; 4. adjusting the wheel disc; 5. a voltage regulator; 6. sealing the connecting strip; 7. an instrument box; 8. a status gauge; 9. an adjustment switch; 10. a pressurizing rod; 11. a winding machine; 12. hooking; 13. a base; 14. a pressurizer; 15. a fixing plate; 16. a container box; 17. a display instrument; 18. a sealing plate; 19. an intermediate device; 20. a control box; 21. a display screen; 22. an injection pump; 23. a pump rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: including back pressure simulation case 1, the front of back pressure simulation case 1 is provided with loaded formula backpressure valve 2, the bottom of back pressure simulation case 1 is provided with electric pump 3, electric pump 3 is the PL-0928 type, electric pump 3's front is provided with adjusts rim plate 4, one side of adjusting rim plate 4 is provided with stabiliser 5, the top of back pressure simulation case 1 is provided with sealing connection strip 6, sealing connection strip 6's outside is provided with meter box 7, meter box 7's front is provided with status instrument 8, one side of status instrument 8 is provided with regulating switch 9, one side of back pressure simulation case 1 is provided with pressure bar 10, the top of pressure bar 10 is provided with winder 11, the bottom of winder 11 is provided with couple 12, the bottom of pressure bar 10 is provided with base 13, the top of base 13 is provided with presser 14, the outside of presser 14 is provided with fixed plate 15.
In this embodiment, a container box 16 is disposed on the other side of the pressure rod 10, a display instrument 17 is disposed on the front surface of the container box 16, a sealing plate 18 is disposed on the top of the container box 16, an intermediate device 19 is disposed inside the sealing plate 18, a control box 20 is disposed on the other side of the container box 16, a display screen 21 is disposed on the front surface of the control box 20, an injection pump 22 is disposed on the other side of the control box 20, a pump rod 23 is disposed inside the injection pump 22, and the back pressure simulation box 1 is movably connected with the instrument box 7 through a sealing connecting strip 6, so that stable connection and simple structure are facilitated; the external part of the sealing connecting strip 6 is provided with a rubber sealing strip, which is beneficial to enhancing the sealing performance, the four groups of loading type back pressure valves 2 are arranged, and the loading type back pressure valves 2 are fixedly connected with the back pressure simulation box 1 through welding, so that the stable connection and the simple structure are facilitated; a bolt is arranged between the electric pump 3 and the back pressure simulation box 1, the electric pump 3 is movably connected with the back pressure simulation box 1 through the bolt, power is favorably and stably output, a lead is arranged between the electric pump 3 and the state instrument 8, the electric pump 3 is in display connection with the state instrument 8 through the lead and is favorably displayed, a lead is arranged between the electric pump 3 and the regulating switch 9, and the electric pump 3 is in display connection with the regulating switch 9 through the lead and is favorably regulated; a wire is arranged between the voltage stabilizer 5 and the electric pump 3, the voltage stabilizer 5 is electrically connected with the electric pump 3 through the wire, so that the electric pump 3 is favorably stabilized, the pressurizing rod 10 is fixedly connected with the winding machine 11 through welding, a chain is arranged between the winding machine 11 and the hook 12, the winding machine 11 is in transmission connection with the hook 12 through the chain, and the pressurizer 14 is favorably hooked up to adjust the pressure; the pressurizer 14 is movably connected with the fixing plate 15 through clamping, the base 13 is fixedly connected with the pressurizing rod 10 through welding, and the fixing plate 15 is fixedly connected with the pressurizing rod 10 through welding, so that stable connection is facilitated; the number of the intermediate devices 19 is two, the threads are arranged between the sealing plate 18 and the intermediate devices 19, the sealing plate 18 is movably connected with the intermediate devices 19 through the threads, the quick connection is facilitated, the number of the display instruments 17 is two, the wires are arranged between the display instruments 17 and the intermediate devices 19, the display instruments 17 are in display connection with the intermediate devices 19 through the wires, the respective display is facilitated, and the display instruments 17 are fixedly connected with the container box 16 through welding and are convenient to stably connect; the control box 20 is fixedly connected with the injection pump 22 through welding, so that control is facilitated, two pump rods 23 are arranged, a suction sheet is arranged between the pump rods 23 and the injection pump 22, and the pump rods 23 are movably connected with the injection pump 22 through the suction sheet, so that synchronous transmission is facilitated; be provided with the leather hose between back pressure simulation case 1 and the presser 14, back pressure simulation case 1 passes through the leather hose and is connected with 14 power of presser, is provided with the leather hose between presser 14 and the intermediate ware 19, and presser 14 passes through the leather hose and is connected with 19 transportation of intermediate ware, is provided with the pipe between pump rod 23 and the intermediate ware 19, and pump rod 23 passes through pipe and intermediate ware 19 swing joint, is favorable to each box to be connected for the system component is accomplished.
The working principle and the using process of the invention are as follows: when the pressure regulator is used, the injection pump 22 is moved through the control box 20, water enters the intermediate device 19 in the container box 16, the temperature of water liquid is changed, then the water liquid flows into the pressurizer 14 through the hose, the pressurizer 14 connected with the hook 12 is pulled up through the starting of the winding machine 11, the water liquid is pressurized, finally the water liquid is pumped through the electric pump 3 to the loading type back pressure valve 2, the pressure regulator 5 can stabilize the pumped pressure, and the use state is displayed through the state instrument 8.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a fracture reservoir body displacement of reservoir oil by water analog system equipment that leakproofness is high which characterized in that: comprises a back pressure simulation box (1), wherein a loading type back pressure valve (2) is arranged on the front side of the back pressure simulation box (1), an electric pump (3) is arranged at the bottom of the back pressure simulation box (1), an adjusting wheel disc (4) is arranged on the front side of the electric pump (3), a voltage stabilizer (5) is arranged on one side of the adjusting wheel disc (4), a sealing connecting strip (6) is arranged at the top of the back pressure simulation box (1), an instrument box (7) is arranged outside the sealing connecting strip (6), a state instrument (8) is arranged on the front side of the instrument box (7), an adjusting switch (9) is arranged on one side of the state instrument (8), a pressure rod (10) is arranged on one side of the back pressure simulation box (1), a winding machine (11) is arranged at the top of the pressure rod (10), a hook (12) is arranged at the bottom of the winding machine (11), the bottom of pressure bar (10) is provided with base (13), the top of base (13) is provided with presser (14), the outside of presser (14) is provided with fixed plate (15).
2. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: the opposite side of pressure bar (10) is provided with container (16), the front of container (16) is provided with display instrument (17), the top of container (16) is provided with sealing plate (18), the inside of sealing plate (18) is provided with intermediate ware (19), the opposite side of container (16) is provided with control box (20), the front of control box (20) is provided with display screen (21), the opposite side of control box (20) is provided with injection pump (22), the inside of injection pump (22) is provided with pump pole (23).
3. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: the back pressure simulation box (1) is movably connected with the instrument box (7) through a sealing connecting strip (6), rubber sealing strips are arranged outside the sealing connecting strip (6), four groups of loading type back pressure valves (2) are arranged, and the loading type back pressure valves (2) are fixedly connected with the back pressure simulation box (1) through welding.
4. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: be provided with the bolt between electric pump (3) and back pressure simulation case (1), electric pump (3) are through bolt and back pressure simulation case (1) swing joint, be provided with the wire between electric pump (3) and state instrument (8), electric pump (3) are connected through wire and state instrument (8) demonstration, be provided with the wire between electric pump (3) and regulating switch (9), electric pump (3) are connected through wire and regulating switch (9) demonstration.
5. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: be provided with the wire between stabiliser (5) and electric pump (3), stabiliser (5) pass through wire and electric pump (3) electric connection, pressure bar (10) are through welding and winder (11) fixed connection, be provided with the chain between winder (11) and couple (12), winder (11) are connected with couple (12) transmission through the chain.
6. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: pressurizer (14) are through joint and fixed plate (15) swing joint, base (13) are through welding and pressure pole (10) fixed connection, fixed plate (15) are through welding and pressure pole (10) fixed connection.
7. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: the utility model discloses a display instrument, including intermediate ware (19), be provided with two, be provided with the screw thread between closing plate (18) and intermediate ware (19), closing plate (18) pass through screw thread and intermediate ware (19) swing joint, display instrument (17) are provided with two, be provided with the wire between display instrument (17) and intermediate ware (19), display instrument (17) pass through the wire and are connected with intermediate ware (19) demonstration, display instrument (17) pass through welding and container case (16) fixed connection.
8. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: control box (20) are through welding and infusion pump (22) fixed connection, pump pole (23) are provided with two, be provided with between pump pole (23) and infusion pump (22) and inhale the piece, pump pole (23) are through inhaling piece and infusion pump (22) swing joint.
9. The high-tightness fractured reservoir flooding simulation system equipment of claim 1, wherein: be provided with the leather hose between back pressure simulation case (1) and presser (14), back pressure simulation case (1) is connected with presser (14) power through the leather hose, be provided with the leather hose between presser (14) and intermediate ware (19), presser (14) are connected with intermediate ware (19) transportation through the leather hose, be provided with the pipe between pump rod (23) and intermediate ware (19), pump rod (23) are through pipe and intermediate ware (19) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110488622.3A CN112943189B (en) | 2021-05-06 | 2021-05-06 | High-sealing-performance water-flooding simulation system equipment for fractured reservoirs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110488622.3A CN112943189B (en) | 2021-05-06 | 2021-05-06 | High-sealing-performance water-flooding simulation system equipment for fractured reservoirs |
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| CN112943189A true CN112943189A (en) | 2021-06-11 |
| CN112943189B CN112943189B (en) | 2023-01-03 |
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