CN114482936A - Horizontal well drainage gas production visual simulation experiment device - Google Patents
Horizontal well drainage gas production visual simulation experiment device Download PDFInfo
- Publication number
- CN114482936A CN114482936A CN202210162519.4A CN202210162519A CN114482936A CN 114482936 A CN114482936 A CN 114482936A CN 202210162519 A CN202210162519 A CN 202210162519A CN 114482936 A CN114482936 A CN 114482936A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- section
- horizontal
- casing
- window
- 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.)
- Pending
Links
- 230000000007 visual effect Effects 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000004088 simulation Methods 0.000 title claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 25
- 239000002518 antifoaming agent Substances 0.000 claims description 20
- 239000000945 filler Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 abstract description 38
- 239000012530 fluid Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 239000006260 foam Substances 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 239000002343 natural gas well Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007924 injection Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000008398 formation water Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013051 drainage agent Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21B47/00—Survey of boreholes or wells
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Landscapes
- 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)
- Geophysics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a horizontal well drainage and gas production visual simulation experiment device, and relates to the technical field of indoor foam drainage simulation instruments. The horizontal well drainage gas production visual simulation experiment device comprises a horizontal section visual window (20) and a bottom casing visual window (6), wherein a throttling section casing (8) and a transition section casing (10) are sleeved outside an inner oil pipe (33), the top of the inner oil pipe (33) is provided with an oil pipe visual window I (11), and the lower part of the inner oil pipe (33) is provided with an oil pipe visual window II (34) and an oil pipe visual window III (36). The invention can directly observe the fluid form through a plurality of visual windows, and the data measured by a flowmeter and a pressure sensor on the instrument can visually reflect the change of the data such as pressure, flow and the like in the experimental process. The method has good guiding effect on the drainage and gas production process of the natural gas well. The technical problem that the existing indoor simulation device is difficult to perform visual simulation under a high-pressure condition is solved.
Description
Technical Field
The invention relates to the technical field of indoor foam drainage simulation instruments, in particular to a horizontal well drainage and gas production visual simulation experiment device.
Background
At present, in the exploitation process of a natural gas well, formation water and condensate oil are produced at the bottom of the well, and in the later stage of exploitation, due to low self energy, the produced formation water and condensate oil are difficult to be brought out of the well mouth, and drainage production can be carried out only by auxiliary processes such as foam drainage agent injection, gas lift and the like. Particularly, the existing gas wells of horizontal wells and downhole throttlers have complex well conditions, and the water drainage and gas production process is particularly difficult to develop. The existing indoor simulation device is divided into two types, one type is an experimental apparatus made of glass, the experimental apparatus can visually see the state in a pipe, but can only carry out experiments under a normal pressure state, the other type is made of metal, the experimental apparatus can carry out experiments under a certain pressure condition, can test the change of parameters such as the pressure in the pipe, but cannot visually see the state in the pipe, therefore, the experimental apparatus can carry out experiments under a certain pressure condition, can test the change of parameters such as the pressure and the flow in the pipe, and can visually see the state of fluid in the pipe through a window has a better guiding effect on the drainage and gas production process of the natural gas horizontal well.
In patent CN201610213283.7, a visual simulation experiment device for drainage and gas production in a coal bed gas well shaft is disclosed, which comprises a shaft simulation device and a movable support, wherein both ends of the shaft simulation device are respectively provided with an upper joint and a lower joint with a gas release valve; the upper joint is sequentially connected with the first one-way valve, the liquid injection flowmeter and the water pump; the lower joint is sequentially connected with the fluid flowmeter and the drain valve; the lower joint is sequentially connected with a second one-way valve, a main gas injection valve, a gas-liquid separator, a large flow valve, a vortex flowmeter, a pressure gauge, a pressure regulating valve, a gas storage tank and an air compressor, the gas-liquid separator is secondarily connected with the pressure gauge through a parallel pipeline, and a rotor flowmeter and a small flow valve are sequentially arranged on the parallel pipeline; the shaft simulating device comprises a transparent pressure-resistant glass tube and a multi-section central tube. Although the patent can simulate the flowing condition of multiphase flow in any inclined and steady section of the coal bed gas well, the flowing condition is realized through glassware, so that the pressure condition is limited to a certain extent, and the high-pressure condition cannot be simulated.
In patent CN201821324555.1, a gas well foam drainage gas production operation indoor simulation instrument is disclosed, including thermostated container, bubbling device, coil pipe and liquid collector, bubbling device includes simulation gas pit shaft, simulation gas pit shaft and coil pipe setting are in the inside of thermostated container, the coil pipe setting is in the top of simulation gas pit shaft, liquid collector sets up the outside at the thermostated container, simulation gas pit shaft is equipped with gas filling port and liquid filling port, gas filling port passes through gas conveying pipeline and connects a gas injection device, gas injection device adds high-pressure gas to simulation gas pit shaft in, liquid filling port connects the foam discharging agent filling pump, the coil pipe is spiral, the top of simulation gas pit shaft is connected to the lower port of coil pipe, the last port of coil pipe is connected to liquid collector through the connecting pipe. The patent can accurately simulate the stratum wellbore according to the actual use working condition of the gas well, but does not have the visualization function, and the state of fluid in the pipe cannot be visually seen through the window.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a horizontal well drainage gas production visual simulation experiment device. Through setting up a plurality of oil pipe visual windows for the experimenter can audio-visually see intraductal fluid state. The technical problem that the existing indoor simulation device is difficult to perform visual simulation under a high-pressure condition is solved.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a visual simulation experiment device of horizontal well drainage gas production, includes vertical section reservoir, horizontal segment reservoir, choke holder section sleeve pipe, solid defoaming agent filler, vapour and liquid separator and interior oil pipe, wherein:
the vertical section production layer is fixedly arranged at the bottom of the vertical section sleeve through a flange;
the vertical section casing is connected with a visual window of the bottom casing through a tee joint;
a vertical section switching valve is arranged between the vertical section sleeve and the three-way joint;
the horizontal section production layer is fixedly arranged at one end of the horizontal section sleeve through a flange, and the other end of the horizontal section sleeve is connected with the deflecting section sleeve;
a horizontal section visible window is arranged between the horizontal section sleeve and the deflecting section sleeve;
the deflecting section casing is connected with a visual window of the bottom casing through a tee joint;
a horizontal section switching valve is also arranged between the deflecting section sleeve and the three-way joint;
the bottom hole sleeve visible window is fixedly arranged at the bottom of the throttling section sleeve through a flange;
the throttling section sleeve is fixedly arranged at the bottom of the transition section sleeve through a flange;
the throttling section casing pipe and the transition section casing pipe are sleeved outside the inner oil pipe;
an oil pipe visible window I is arranged at the top of the inner oil pipe;
the top of the oil pipe visual window is provided with a 'switching' shaped three-way oil pipe;
the top of the three-way oil pipe is provided with a wellhead valve, and the right branch port end is provided with a wellhead needle valve and connected with a defoaming pipe;
an oil pipe visible window II and an oil pipe visible window III are arranged at the lower part of the inner oil pipe;
a restrictor is arranged between the oil pipe visible window II and the oil pipe visible window III;
the three-way joint is provided with a low-point connecting hole of the differential pressure gauge;
a high-point connecting hole of a differential pressure gauge is formed in the three-way oil pipe;
the tee joint is also provided with a bottom hole pressure connecting hole;
the upper part of the transition section sleeve is provided with a sleeve pressure connecting hole;
and an oil pipe pressure connecting point is also arranged on the three-way oil pipe.
Alternatively or preferably, the tee fitting is a 45 ° eccentric tee fitting.
Optionally or preferably, the lower part of the throttling section sleeve is provided with a throttling section lower end window corresponding to the oil pipe visual window III; and the upper part of the throttling section sleeve is provided with a throttling section upper end window corresponding to the oil pipe visual window II.
Optionally or preferably, the bubble removal tube comprises a liquid bubble removal tube and a solid bubble removal tube; the liquid defoaming pipe is provided with a solid defoaming switching valve; the solid defoaming pipe is provided with a liquid defoaming switching valve, a solid defoaming agent filler and a solid defoaming agent filler outlet valve; a separator is arranged between the solid defoaming agent filler and an outlet valve of the solid defoaming agent filler; the inlet of the separator is connected to the solid defoaming pipe; an outlet needle valve is arranged at an outlet of the separator.
Optionally or preferably, a vertical section filling port is arranged at the bottom of the vertical section production layer; and a horizontal section filling port is arranged at one end of the horizontal section production layer far away from the horizontal section sleeve.
Optionally or preferably, the low-point connecting hole of the differential pressure gauge and the high-point connecting hole of the differential pressure gauge are both threaded holes and are respectively connected with the two connectors AB of the differential pressure gauge.
Optionally or preferably, the bottom hole pressure connecting hole, the casing pipe pressure connecting hole and the oil pipe pressure connecting hole are threaded holes and are respectively connected with the pressure sensor.
The beneficial effects provided by the invention comprise:
(1) the invention can carry out the visual simulation of water drainage and gas production under the condition of certain pressure;
(2) the invention can carry out horizontal well experiment and vertical well experiment through simple switching;
(3) the invention can observe the fluid states in the well bottom, the horizontal section, the lower end of the restrictor, the upper end of the restrictor and the oil pipe at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view (front view) of the present invention;
FIG. 2 is a schematic structural view (cross-sectional view) of the present invention;
FIG. 3 is a schematic structural view (left side view) of the present invention;
reference numbers in the figures:
1-vertical section production layer, 2-vertical section casing, 3-vertical section switching valve, 4-three-way joint, 5-differential pressure gauge low point location connecting hole, 6-bottom casing visual window, 7-throttling section lower end visual window, 8-throttling section casing, 9-throttling section upper end visual window, 10-transition section casing, 11-oil pipe visual window I, 12-differential pressure gauge high point location connecting hole, 13-well head valve, 14-well head needle valve, 15-oil pipe pressure connecting hole, 16-casing pressure connecting hole, 17-bottom hole pressure connecting hole, 18-horizontal section switching valve, 19-deflecting section casing, 20-horizontal section visual window, 21-horizontal section casing, 22-horizontal section production layer, 23-vertical section filling port, 24-horizontal section filling port, 25-solid defoaming switching valve, 26-liquid defoaming switching valve, 27-solid defoaming agent filler, 28-solid defoaming agent visual window, 29-solid defoaming agent blow-down valve, 30-solid defoaming agent filler outlet valve, 31-separator, 32-outlet needle valve, 33-inner oil pipe, 34-oil pipe visual window two, 35-flow controller and 36-oil pipe visual window three.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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.
Example 1:
as shown in fig. 1-3:
the embodiment provides a visual simulation experiment device of horizontal well drainage gas production, including vertical section reservoir, horizontal segment reservoir 22, choke piece section sleeve pipe, solid defoaming agent ware of filling 27, vapour and liquid separator 31 and interior oil pipe 33, wherein:
the vertical section production layer is fixedly arranged at the bottom of the vertical section sleeve through a flange;
the vertical section casing is connected with a visual window of the bottom casing through a tee joint;
a vertical section switching valve is arranged between the vertical section sleeve and the three-way joint;
the horizontal section production layer 22 is fixedly arranged at one end of the horizontal section sleeve 21 through a flange, and the other end of the horizontal section sleeve 21 is connected with the deflecting section sleeve 19;
a horizontal section visible window 20 is arranged between the horizontal section sleeve 21 and the deflecting section sleeve 19;
the deflecting section casing 19 is connected with a bottom casing visible window through a tee joint;
a horizontal section switching valve 18 is also arranged between the deflecting section casing pipe 19 and the three-way joint;
the bottom hole sleeve visible window is fixedly arranged at the bottom of the throttling section sleeve through a flange;
the throttling section sleeve is fixedly arranged at the bottom of the transition section sleeve 10 through a flange;
the throttling section casing pipe and the transition section casing pipe 10 are both sleeved outside the inner oil pipe 33;
an oil pipe visible window I11 is arranged at the top of the inner oil pipe 33;
the top of the oil pipe visual window 11 is provided with a 'male-female' tee oil pipe;
the top of the three-way oil pipe is provided with a wellhead valve 13, and the right branch port end is provided with a wellhead needle valve 14 and connected with a defoaming pipe;
an oil pipe visible window II 34 and an oil pipe visible window III 36 are arranged at the lower part of the inner oil pipe 33;
a restrictor 35 is arranged between the oil pipe visible window II 34 and the oil pipe visible window III 36;
the three-way joint is provided with a low-point connecting hole of the differential pressure gauge;
a high-point connecting hole 12 of a differential pressure gauge is formed in the three-way oil pipe;
the tee joint is also provided with a bottom hole pressure connecting hole 17;
the upper part of the transition section sleeve 10 is provided with a sleeve pressure connecting hole 16;
and an oil pipe pressure connecting point 15 is also arranged on the three-way oil pipe.
In this embodiment, the three-way joint is a 45-degree eccentric three-way joint.
In this embodiment, the lower part of the throttling section casing is provided with a throttling section lower end window corresponding to the oil pipe visual window three 36; and the upper part of the throttling section sleeve is provided with a throttling section upper end window corresponding to the oil pipe visible window II 34.
In this embodiment, the defoaming tube includes a liquid defoaming tube and a solid defoaming tube; the liquid defoaming pipe is provided with a solid defoaming switching valve 25; the solid defoaming pipe is provided with a liquid defoaming switching valve 26, a solid defoaming agent filler 27 and a solid defoaming agent filler outlet valve 30; a separator 31 is arranged between the solid defoaming agent filler 27 and the outlet valve 30 of the solid defoaming agent filler; the inlet of the separator 31 is connected to the solid defoaming pipe; an outlet needle valve 32 is arranged at the outlet of the separator 31, and the outlet needle valve 32 is used for testing the outlet gas flow through a thread series rotor flow meter.
In this embodiment, a vertical section filling port 23 is arranged at the bottom of the vertical section production layer; a horizontal section filling port 24 is formed at one end of the horizontal section production layer 22 far away from the horizontal section casing 21; the vertical section fill port 23 and the horizontal section fill port 24 may be connected to a rotameter for testing intake air flow.
In this embodiment, the low-point connecting hole of the differential pressure gauge and the high-point connecting hole 12 of the differential pressure gauge are both threaded holes, and are respectively connected with two connectors AB of the differential pressure gauge, so as to test the pressure difference between the bottom of the well and the oil pipe.
In this embodiment, the bottom hole pressure connection hole 17, the casing pressure connection hole 16 and the tubing pressure connection hole 15 are all threaded holes, and are respectively connected with a pressure sensor to respectively test the bottom pressure, the casing pressure and the tubing pressure.
The embodiment has the following advantages:
(1) the embodiment can perform the visual simulation of drainage gas production under the condition of certain pressure;
(2) the horizontal well experiment and the vertical well experiment can be performed through simple switching;
(3) the present embodiment allows simultaneous observation of the fluid conditions in the bottom of the well, the horizontal section, the lower end of the choke, the upper end of the choke and the tubing.
The working principle of the embodiment is as follows:
(1) the horizontal well experiment and the common vertical well experiment are carried out by switching the vertical section switching valve 3 and the horizontal section switching valve 18;
(2) the liquid defoaming switching valve 26 and the solid defoaming switching valve 25 are used for switching fluid to defoam the solid defoaming agent or defoam the liquid;
(3) the method comprises the steps that the states of stratum water production and condensate oil production of a natural gas well in a shaft in the natural gas production process are simulated by filling stratum water, condensate oil and nitrogen into a vertical section filling port 23 or a horizontal section filling port 24, the fluctuation and the change of the pressure of the shaft bottom, a sleeve and an oil pipe are measured through a plurality of pressure sensors, and the fluctuation influence on the gas production rate after the water production and the oil production of the natural gas well is tested through the flow of an outlet flowmeter;
(4) after the foam discharging agent is filled into the vertical section filling port 23 or the horizontal section filling port 24, the fluctuation and the change of the pressure of the bottom hole, the casing pipe and the oil pipe after liquid is discharged through the foam can be observed, and the influence on the gas production is caused after the liquid is discharged through the test foam of the outlet flowmeter flow;
(5) the bottom hole fluid state in the experimental process can be observed through the bottom hole window 6;
(6) the fluid state of the horizontal section in the experimental process can be observed through the horizontal section visual window 20;
(7) the fluid state at the lower end of the throttle in the experimental process can be observed through the window 7 at the lower end of the throttle section;
(8) the fluid state at the upper end of the throttle in the experimental process can be observed through a window 9 at the upper end of the throttle section;
(9) the fluid state in the oil pipe during the experiment can be observed through the oil pipe visual window I11.
The structures, functions, and connections disclosed herein may be implemented in other ways. For example, the embodiments described above are merely illustrative, and for example, a choke section sleeve, a transition section sleeve may have other mounting means, e.g., multiple components may be combined or integrated with another component; in addition, functional components in the embodiments herein may be integrated into one functional component, or each functional component may exist alone physically, or two or more functional components may be integrated into one functional component.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a visual simulation experiment device of horizontal well drainage gas production which characterized in that: including vertical section reservoir (1), horizontal segment reservoir (22), choke section sleeve pipe (8), solid defoaming agent ware of maring (27), vapour and liquid separator (31) and interior oil pipe (33), wherein:
the vertical section production layer (1) is fixedly arranged at the bottom of the vertical section sleeve (2) through a flange; the vertical section casing (2) is connected with a visual window (6) of the bottom casing through a tee joint (4); a vertical section switching valve (3) is arranged between the vertical section sleeve (2) and the three-way joint (4);
the horizontal section production layer (22) is fixedly arranged at one end of the horizontal section sleeve (21) through a flange, and the other end of the horizontal section sleeve (21) is connected with the deflecting section sleeve (19); a horizontal section visible window (20) is arranged between the horizontal section sleeve (21) and the deflecting section sleeve (19); the deflecting section casing (19) is connected with the visual window (6) of the bottom casing through a tee joint (4); a horizontal section switching valve (18) is also arranged between the deflecting section sleeve (19) and the three-way joint (4);
the bottom hole casing visible window (6) is fixedly arranged at the bottom of the throttling section casing (8) through a flange; the throttling section sleeve (8) is fixedly arranged at the bottom of the transition section sleeve (10) through a flange;
the throttling section casing (8) and the transition section casing (10) are sleeved outside the inner oil pipe (33);
an oil pipe visible window I (11) is arranged at the top of the inner oil pipe (33); the top of the oil pipe visual window (11) is provided with a 'deformed' three-way oil pipe; the top of the three-way oil pipe is provided with a wellhead valve (13), and the right branch port end is provided with a wellhead needle valve (14) and connected with a defoaming pipe;
an oil pipe visible window II (34) and an oil pipe visible window III (36) are arranged at the lower part of the inner oil pipe (33); a restrictor (35) is arranged between the oil pipe visible window II (34) and the oil pipe visible window III (36);
a low-point connecting hole (5) of the differential pressure gauge is formed in the three-way joint (4); a high-point connecting hole (12) of the differential pressure gauge is formed in the three-way oil pipe;
the three-way joint (4) is also provided with a bottom hole pressure connecting hole (17); the upper part of the transition section sleeve (10) is provided with a sleeve pressure connecting hole (16); and an oil pipe pressure connecting point (15) is also arranged on the three-way oil pipe.
2. The horizontal well drainage gas production visual simulation experiment device according to claim 1, characterized in that: the three-way joint (4) is a 45-degree eccentric three-way joint.
3. The horizontal well drainage gas production visual simulation experiment device according to claim 1, characterized in that: the lower part of the throttling section sleeve (8) is provided with a throttling section lower end window (7) corresponding to the oil pipe visual window III (36); and the upper part of the throttling section sleeve (8) is provided with a throttling section upper end window (9) corresponding to the oil pipe visible window II (34).
4. The horizontal well drainage gas production visual simulation experiment device according to claim 1, characterized in that: the defoaming tube comprises a liquid defoaming tube and a solid defoaming tube; the liquid defoaming pipe is provided with a solid defoaming switching valve (25); the solid defoaming pipe is provided with a liquid defoaming switching valve (26), a solid defoaming agent filler (27) and a solid defoaming agent filler outlet valve (30); a separator (31) is arranged between the solid defoaming agent filler (27) and the outlet valve (30) of the solid defoaming agent filler; the inlet of the separator (31) is connected to the solid defoaming pipe; an outlet needle valve (32) is arranged at the outlet of the separator (31).
5. The horizontal well drainage gas production visual simulation experiment device according to claim 1, characterized in that: a vertical section filling port (23) is formed in the bottom of the vertical section production layer (1); and a horizontal section filling port (24) is arranged at one end of the horizontal section production layer (22) far away from the horizontal section casing pipe (21).
6. The horizontal well drainage gas production visual simulation experiment device according to claim 1, characterized in that: the low-point connecting hole (5) of the differential pressure gauge and the high-point connecting hole (12) of the differential pressure gauge are threaded holes and are respectively connected with two connectors AB of the differential pressure gauge.
7. The horizontal well drainage gas production visual simulation experiment device according to claim 1, characterized in that: the bottom hole pressure connecting hole (17), the casing pipe pressure connecting hole (16) and the oil pipe pressure connecting hole (15) are threaded holes and are respectively connected with a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162519.4A CN114482936A (en) | 2022-02-22 | 2022-02-22 | Horizontal well drainage gas production visual simulation experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162519.4A CN114482936A (en) | 2022-02-22 | 2022-02-22 | Horizontal well drainage gas production visual simulation experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114482936A true CN114482936A (en) | 2022-05-13 |
Family
ID=81482548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210162519.4A Pending CN114482936A (en) | 2022-02-22 | 2022-02-22 | Horizontal well drainage gas production visual simulation experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114482936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104454A (en) * | 2023-01-06 | 2023-05-12 | 东北石油大学 | Gas lift plunger drainage gas recovery performance evaluation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202228059U (en) * | 2011-10-20 | 2012-05-23 | 中国石油天然气股份有限公司 | Foaming agent experiment system for water drainage and gas production |
| CN105735965A (en) * | 2016-04-07 | 2016-07-06 | 中国地质大学（武汉） | Coal-bed gas well shaft drainage gas recovery visual simulation experiment device and simulation method |
| CN107356711A (en) * | 2017-07-25 | 2017-11-17 | 中国石油天然气股份有限公司 | Multifunctional defoaming agent evaluation device and method for gas well drainage gas production |
| RU2654889C1 (en) * | 2017-05-22 | 2018-05-23 | Общество с ограниченной ответственностью "ГазВелл Системы" | Experimental installation for imitation of gas-liquid mixture and dynamic processes in the stock of the gas well |
| CN108894772A (en) * | 2018-09-14 | 2018-11-27 | 中国石油大学(华东) | A kind of high-temperature and high-pressure visual pit shaft gas-liquid flow morphotype draft experiment device and method |
| CN208934679U (en) * | 2018-10-16 | 2019-06-04 | 中国石油化工股份有限公司 | A kind of evaluating apparatus of horizontal well foam discharging agent performance |
| CN113417612A (en) * | 2021-08-05 | 2021-09-21 | 中国石油天然气股份有限公司 | Underground throttling construction operation method and underground throttling device |
-
2022
- 2022-02-22 CN CN202210162519.4A patent/CN114482936A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202228059U (en) * | 2011-10-20 | 2012-05-23 | 中国石油天然气股份有限公司 | Foaming agent experiment system for water drainage and gas production |
| CN105735965A (en) * | 2016-04-07 | 2016-07-06 | 中国地质大学（武汉） | Coal-bed gas well shaft drainage gas recovery visual simulation experiment device and simulation method |
| RU2654889C1 (en) * | 2017-05-22 | 2018-05-23 | Общество с ограниченной ответственностью "ГазВелл Системы" | Experimental installation for imitation of gas-liquid mixture and dynamic processes in the stock of the gas well |
| CN107356711A (en) * | 2017-07-25 | 2017-11-17 | 中国石油天然气股份有限公司 | Multifunctional defoaming agent evaluation device and method for gas well drainage gas production |
| CN108894772A (en) * | 2018-09-14 | 2018-11-27 | 中国石油大学(华东) | A kind of high-temperature and high-pressure visual pit shaft gas-liquid flow morphotype draft experiment device and method |
| CN208934679U (en) * | 2018-10-16 | 2019-06-04 | 中国石油化工股份有限公司 | A kind of evaluating apparatus of horizontal well foam discharging agent performance |
| CN113417612A (en) * | 2021-08-05 | 2021-09-21 | 中国石油天然气股份有限公司 | Underground throttling construction operation method and underground throttling device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104454A (en) * | 2023-01-06 | 2023-05-12 | 东北石油大学 | Gas lift plunger drainage gas recovery performance evaluation device |
| CN116104454B (en) * | 2023-01-06 | 2023-09-19 | 东北石油大学 | Gas lift plunger drainage gas recovery performance evaluation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105735965B (en) | Coal bed gas well pit shaft internal drainage gas production visual Simulation experimental provision and analogy method | |
| CN105735966B (en) | Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device and analogy method | |
| CN102979504B (en) | The analogue means of complex structure well borehole oil gas water three phase fluid mass variable flow | |
| CN104776971A (en) | Visualization experiment device for liquid and sand carrying of gas flow | |
| CN106337677A (en) | Gas-water two-phase flow guide capability testing system of shale gas pressure crack net and testing method | |
| CN206990029U (en) | A kind of oil-gas-water three-phase flow demarcates test device | |
| CN208155801U (en) | A kind of spontaneous imbibition visualization pressurization measuring device of rock core | |
| CN114482936A (en) | Horizontal well drainage gas production visual simulation experiment device | |
| CN103743534A (en) | Testing device for dynamic characteristic model of water soluble cavity construction pipe column of salt cavern oil storage tank | |
| CN111764885A (en) | Visual gas well intermittent production simulation experiment device and method | |
| CN110529100B (en) | High-temperature high-pressure shaft salt deposition physical simulation device and simulation method thereof | |
| CN205477589U (en) | Visual simulation experiment device of water pumping gas production in gas well pit shaft of coal seam | |
| CN107975365A (en) | Simulate the experimental provision and experimental method of gas condensate reservoir straight well | |
| CN204666329U (en) | A kind of air-flow is taken liquid and is taken sand visual experimental apparatus | |
| CN105333989B (en) | For measuring the pressure-inducting device of the differential pressure of liquid medium in pipeline | |
| CN107477364A (en) | High degree type fluid piping system | |
| CN203239304U (en) | Indoor simulation test device for foam drainage of gas well | |
| CN107607406A (en) | A kind of siphon destructive experimental study system | |
| CN219509619U (en) | Visual simulation experiment device for drainage and gas production of horizontal well | |
| CN211425805U (en) | Bidirectional water-soluble cavity-making pipe column flow-induced vibration power model experimental device | |
| CN209324323U (en) | A kind of gas well foam drainage gas recovery operation indoor simulation instrument | |
| CN207318261U (en) | A kind of siphon destructive experimental study system | |
| CN206233917U (en) | Oil recovery simulated experiment collection self-loopa feed flow and metering integrated device | |
| CN114764095A (en) | Foam scrubbing agent performance evaluation device | |
| CN207019752U (en) | A kind of pipeline structure of fluid flow device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |