CN216381303U - Foam volleyball filling device and foam volleyball filling system - Google Patents

Foam volleyball filling device and foam volleyball filling system Download PDF

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Publication number
CN216381303U
CN216381303U CN202122279140.5U CN202122279140U CN216381303U CN 216381303 U CN216381303 U CN 216381303U CN 202122279140 U CN202122279140 U CN 202122279140U CN 216381303 U CN216381303 U CN 216381303U
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China
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well
foam
filling
gas production
pipe
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杨易骏
陈旭
赵润冬
周瑞立
周舰
王锦昌
隋冬梅
王萍
刘玉祥
杨芾汕
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China Petroleum and Chemical Corp
Sinopec North China Oil and Gas Co
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China Petroleum and Chemical Corp
Sinopec North China Oil and Gas Co
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Abstract

The utility model relates to a foam volleyball filling device and a foam volleyball filling system. Bubble volleyball filling device includes: the gas production tree of the water flooded well is used for being arranged at the well mouth of the water flooded well; the gas production tree of the gas source well is used for being arranged at the wellhead of the gas source well; one end of the pressure guide pipe is connected to a sleeve joint of the gas source well gas production tree, and the other end of the pressure guide pipe is connected to an oil pipe joint of the water flooded well gas production tree; the foam volleyball filling cylinder is used for accommodating the foam volleyballs and connected to the pressure guide pipe; the pressure at the sleeve joint of the gas production tree of the gas source well is higher than the pressure at the oil pipe joint of the gas production tree of the water flooding well, so that the foam volleyball is injected into the water flooding well. The pressure at the sleeve joint of the gas production tree of the gas source well is higher than the pressure at the oil pipe joint of the gas production tree of the water flooding well, and the foam volleyballs in the foam volleyball filling cylinder are filled into the water flooding well under the action of pressure difference; because the device utilizes the gas source well of pressure relative higher in the well site to provide pressure, need not to use the external air supply of pump truck input, reduce cost.

Description

Foam volleyball filling device and foam volleyball filling system
Technical Field
The utility model relates to the technical field of gas well production tools, in particular to a foam volleyball filling device and a foam volleyball filling system.
Background
The compact low-permeability sandstone gas reservoir has the characteristics of low porosity and low permeability, strong heterogeneity, high water saturation and the like. Along with the continuous deepening of gas field development, gas well pressure and yield are gradually reduced, so that liquid accumulation in a shaft is caused, and even water flooding and well shut-in can occur in severe cases. In order to ensure the stable production and the increase of the yield of the gas well, a foam discharging agent is generally injected into a shaft or gas lift, swabbing and other large equipment are adopted to assist the liquid discharge of the gas well.
In order to solve the problem of gas well liquid accumulation, the foam scrubbing agent is widely applied to various atmospheric fields. The foam discharging agent is divided into a liquid foam discharging agent and a solid foam discharging agent, the liquid foam discharging agent is mainly filled by a plunger pump, but the method has the problems that the liquid foam discharging agent cannot be fully mixed with accumulated liquid, the action time is short, the filling is discontinuous, the foam discharging effect is poor and the like, and the method is gradually replaced by the solid foam discharging agent. The solid foam discharging agent is divided into a rod-shaped foam discharging agent and a ball-shaped foam discharging agent, in the adding process of the rod-shaped foam discharging agent, on one hand, personnel are required to frequently climb a gas production tree and open and close a wellhead valve, on the other hand, the rod-shaped foam discharging agent is easy to clamp a rod at an oil pipe coupling or a necking position, and therefore the problems of high personnel falling risk, high labor intensity, medicament waste, poor foam discharging effect and oil pipe blockage exist. The spherical solid foam discharging agent is easier to fall to the bottom of the well in the adding process, the contact area with accumulated liquid at the bottom of the well is larger, the foaming effect is more thorough, and the liquid discharging effect is better.
In the prior art, chinese patent document with the publication number of CN210622778U discloses a foam volleyball pressurized filling device, which uses a pump truck connected to a wellhead and a foam volleyball filling cylinder to pump in an air flow to push foam volleyball to enter a shaft through a connecting cylinder and a wellhead joint in sequence, so as to achieve the purpose of safely filling foam volleyball into a gas well. However, in the construction process, the device needs a pump truck to input an external air source, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foam volleyball filling device to solve the technical problem that in the prior art, a pump truck is required to input an external air source, so that the cost is high. The utility model also aims to provide a foam volleyball filling system.
In order to achieve the purpose, the technical scheme of the foam volleyball filling device is as follows:
the foam volleyball filling device comprises a water flooded well gas production tree arranged at a well mouth of a water flooded well, a gas source well gas production tree arranged at a well mouth of a gas source well, and a pressure guide pipe for connecting the water flooded well gas production tree and the gas source well gas production tree, wherein one end of the pressure guide pipe is connected to a sleeve joint of the gas source well gas production tree, the other end of the pressure guide pipe is connected to an oil pipe joint of the water flooded well gas production tree, and a foam volleyball filling cylinder for containing foam volleyballs is connected to the pressure guide pipe; the pressure at the sleeve joint of the gas production tree of the gas source well is higher than the pressure at the oil pipe joint of the gas production tree of the water flooding well, so that the foam volleyball in the foam volleyball filling cylinder is filled into the water flooding well.
The beneficial effects are that: in the foam volleyball filling device, a sleeve of a gas production tree of a gas source well is communicated with an oil pipe of the gas production tree of a water flooding well through a pressure guide pipe, and a foam volleyball filling cylinder is connected to the pressure guide pipe. The pressure at the sleeve joint of the gas production tree of the gas source well is higher than the pressure at the oil pipe joint of the gas production tree of the water flooding well, and the foam volleyballs in the foam volleyball filling cylinder are filled into the water flooding well under the action of pressure difference; because the foam volleyball filling device provides pressure by using the gas source well with relatively high pressure in the well site, an external gas source is not required to be input by using a pump truck, and the cost is reduced.
As a further improvement, the pressure guide pipe comprises a pressure guide main pipe and at least two pressure guide branch pipes, one end of the pressure guide main pipe is connected to a sleeve joint of the gas production tree of the gas source well, the other end of the pressure guide main pipe is communicated with all the pressure guide branch pipes, and each pressure guide branch pipe is connected with the foam volleyball filling cylinder.
The beneficial effects are that: by the design, the air source well can inject the foam volleyballs in the plurality of foam volleyball injection cylinders into the water flooded well in one-time construction, and the construction efficiency is improved.
As a further improvement, the number of the gas production trees of the water flooded well is the same as that of the pressure guide branch pipes, and the pressure guide branch pipes are connected to oil pipe joints of the gas production trees of the corresponding water flooded well in a one-to-one correspondence manner.
The beneficial effects are that: by the design, the foam volleyball filling device can simultaneously fill foam volleyballs into a plurality of water flooding wells without a moving device, so that the labor and the time are saved.
As a further improvement, a one-way valve is arranged on the pressure guide pipe between the gas production tree of the gas source well and the foam volleyball filling cylinder.
The beneficial effects are that: the design prevents the problem of gas channeling in the pressure guide pipe in the foam volleyball filling process, and improves the success rate of filling the foam volleyball into the flooded well.
As a further improvement, the foam volleyball filling cylinders are horizontally arranged.
The beneficial effects are that: due to the design, an operator can conveniently place the foam volleyball into the foam volleyball filling cylinder.
As a further improvement, a part of the pressure guide pipe between the sleeve joint of the gas production tree of the gas source well and the foam volleyball filling cylinder is defined as a first sub-pipe, a part of the pressure guide pipe between the foam volleyball filling cylinder and the water flooding well gas production tree is defined as a second sub-pipe, the second sub-pipe comprises an arc-shaped connecting pipe, an inclined connecting pipe and a U-shaped connecting pipe, and the connecting pipes are sequentially connected together.
The beneficial effects are that: by the design, the foam volleyball can pass through the second sub-pipe smoothly.
As a further improvement, an air source well sleeve pressure gauge is arranged at the sleeve joint of the air source well gas production tree, and a water-flooded well oil pressure gauge is connected to the water-flooded well gas production tree.
The beneficial effects are that: by the design, the pressure in the gas production tree casing of the gas source well and the pressure in the oil pipe of the gas production tree of the water flooded well can be detected conveniently.
As a further improvement, the foam volleyball filling cylinder is of a T-shaped structure and comprises a storage cylinder and a filling cylinder, wherein the storage cylinder is used for storing the foam volleyballs, and the filling cylinder is provided with a filling port for filling the foam volleyballs.
The beneficial effects are that: by the design, the foam volleyball can be placed into the storage cylinder through the filling cylinder, and the interference of a filling port and a pipeline connected with the foam volleyball filling cylinder is avoided.
As a further improvement, the inner diameters of the storage cylinder and the filling cylinder are larger than the diameter of the foam volleyball.
The beneficial effects are that: the design is convenient for fill the bubble volleyball to filling in the section of thick bamboo, and simultaneously, the bubble volleyball of also being convenient for can roll smoothly in the pipe, the card ball phenomenon does not appear.
In order to achieve the purpose, the technical scheme of the foam volleyball filling system is as follows:
the foam volleyball filling system comprises a water flooding well, a gas source well and a foam volleyball filling device;
bubble volleyball filling device includes:
the gas production tree of the water flooded well is arranged at the well mouth of the water flooded well;
the gas production tree of the gas source well is arranged at the wellhead of the gas source well;
one end of the pressure guide pipe is connected to a sleeve joint of the gas source well gas production tree, and the other end of the pressure guide pipe is connected to an oil pipe joint of the water flooded well gas production tree;
the foam volleyball filling cylinder is used for accommodating the foam volleyballs and connected to the pressure guide pipe;
the pressure at the sleeve joint of the gas production tree of the gas source well is higher than the pressure at the oil pipe joint of the gas production tree of the water flooding well, so that the foam volleyball in the foam volleyball filling cylinder is filled into the water flooding well.
The beneficial effects are that: in the foam volleyball filling device, a sleeve of a gas production tree of a gas source well is communicated with an oil pipe of the gas production tree of a water flooding well through a pressure guide pipe, and a foam volleyball filling cylinder is connected to the pressure guide pipe. The pressure at the sleeve joint of the gas production tree of the gas source well is higher than the pressure at the oil pipe joint of the gas production tree of the water flooding well, and the foam volleyballs in the foam volleyball filling cylinder are filled into the water flooding well under the action of pressure difference; because the foam volleyball filling device provides pressure by using the gas source well with relatively high pressure in the well site, an external gas source is not required to be input by using a pump truck, and the cost is reduced.
As a further improvement, the pressure guide pipe comprises a pressure guide main pipe and at least two pressure guide branch pipes, one end of the pressure guide main pipe is connected to a sleeve joint of the gas production tree of the gas source well, the other end of the pressure guide main pipe is communicated with all the pressure guide branch pipes, and each pressure guide branch pipe is connected with the foam volleyball filling cylinder.
The beneficial effects are that: by the design, the air source well can inject the foam volleyballs in the plurality of foam volleyball injection cylinders into the water flooded well in one-time construction, and the construction efficiency is improved.
As a further improvement, the number of the gas production trees of the water flooded well is the same as that of the pressure guide branch pipes, and the pressure guide branch pipes are connected to oil pipe joints of the gas production trees of the corresponding water flooded well in a one-to-one correspondence manner.
The beneficial effects are that: by the design, the foam volleyball filling device can simultaneously fill foam volleyballs into a plurality of water flooding wells without a moving device, so that the labor and the time are saved.
As a further improvement, a one-way valve is arranged on the pressure guide pipe between the gas production tree of the gas source well and the foam volleyball filling cylinder.
The beneficial effects are that: the design prevents the problem of gas channeling in the pressure guide pipe in the foam volleyball filling process, and improves the success rate of filling the foam volleyball into the flooded well.
As a further improvement, the foam volleyball filling cylinders are horizontally arranged.
The beneficial effects are that: due to the design, an operator can conveniently place the foam volleyball into the foam volleyball filling cylinder.
As a further improvement, a part of the pressure guide pipe between the sleeve joint of the gas production tree of the gas source well and the foam volleyball filling cylinder is defined as a first sub-pipe, a part of the pressure guide pipe between the foam volleyball filling cylinder and the water flooding well gas production tree is defined as a second sub-pipe, the second sub-pipe comprises an arc-shaped connecting pipe, an inclined connecting pipe and a U-shaped connecting pipe, and the connecting pipes are sequentially connected together.
The beneficial effects are that: by the design, the foam volleyball can pass through the second sub-pipe smoothly.
As a further improvement, an air source well sleeve pressure gauge is arranged at the sleeve joint of the air source well gas production tree, and a water-flooded well oil pressure gauge is connected to the water-flooded well gas production tree.
The beneficial effects are that: by the design, the pressure in the gas production tree casing of the gas source well and the pressure in the oil pipe of the gas production tree of the water flooded well can be detected conveniently.
As a further improvement, the foam volleyball filling cylinder is of a T-shaped structure and comprises a storage cylinder and a filling cylinder, wherein the storage cylinder is used for storing the foam volleyballs, and the filling cylinder is provided with a filling port for filling the foam volleyballs.
The beneficial effects are that: by the design, the foam volleyball can be placed into the storage cylinder through the filling cylinder, and the interference of a filling port and a pipeline connected with the foam volleyball filling cylinder is avoided.
As a further improvement, the inner diameters of the storage cylinder and the filling cylinder are larger than the diameter of the foam volleyball.
The beneficial effects are that: the design is convenient for fill the bubble volleyball to filling in the section of thick bamboo, and simultaneously, the bubble volleyball of also being convenient for can roll smoothly in the pipe, the card ball phenomenon does not appear.
Drawings
FIG. 1 is a schematic structural diagram of a foam volleyball filling device in the foam volleyball filling system according to the present invention;
in the figure: 11. a gas source well gas production tree; 12. a pressure guide main pipe; 13. a first sub-tube; 14. a gas source well casing pressure gauge; 15. an oil union; 16. a one-way valve; 17. adding a foam volleyball filling cylinder; 18. a horizontal cylinder; 19. a vertical cylinder; 20. a second sub-tube; 21. a plug; 22. a first ball valve; 23. a second ball valve; 24. an arc-shaped connecting pipe; 25. inclining the connecting pipe; 26. a U-shaped connecting pipe; 27. flooding the well with water to produce gas trees; 28. flooding the oil pressure gauge; 29. soaking volleyballs; 30. a casing joint; 31. an oil pipe joint; 32. and a pressure guide branch pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "front", "back", "upper", "lower", "left" and "right" are based on the orientations and positional relationships shown in the drawings and are only for convenience in describing the present invention, but do not indicate that the referred device or component must have a specific orientation, and thus, should not be construed as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
Embodiment 1 of the foam volleyball filling system of the present invention:
in this embodiment, the foam volleyball filling system includes a water flooding well, a gas source well, and a foam volleyball filling device. The gas source well is a continuous production gas well and is positioned at the same well site as the water flooded well, and the sleeve pressure of the gas source well is 15Mpa higher than that of the water flooded well.
In this embodiment, as shown in fig. 1, the foam volleyball filling device includes a water flooded well gas production tree 27, an air source well gas production tree 11, a foam volleyball filling cylinder 17, and a pressure pipe. The pressure guiding pipe is connected with an oil pipe joint 31 of the gas production tree 27 of the water flooded well and a sleeve joint 30 of the gas production tree 11 of the gas source well, and the pressure guiding pipe is connected with a foam volleyball filling cylinder 17.
In this embodiment, as shown in fig. 1, three gas production trees 27 of the water flooded well are provided, and the three gas production trees 27 of the water flooded well are provided at the well mouth of the corresponding water flooded well. Each gas production tree 27 of the water flooded well is connected with a water flooded well oil pressure gauge 28 to detect the pressure in the oil pipe of the gas production tree 27 of the water flooded well.
In this embodiment, as shown in fig. 1, there is one gas production tree 11 for the gas source well, and the gas production tree 11 for the gas source well is disposed at the wellhead of the gas source well. The casing joint 30 of the gas source well gas production tree 11 is connected with a gas source well casing pressure gauge 14 to detect the pressure in the casing of the gas source well gas production tree 11.
In this embodiment, as shown in fig. 1, the pressure guiding pipe connects the oil pipe joint 31 of the gas production tree 27 of the water flooded well and the casing joint 30 of the gas production tree 11 of the gas supply well. The guide pipe comprises a main guide pipe 12 and three branch guide pipes 32, one end of the main guide pipe 12 is connected to the casing joint 30 of the gas source well gas production tree 11, and the other end of the main guide pipe 12 is communicated with the three branch guide pipes 32. The pressure guiding main pipe 12 is formed by connecting two pipelines through an oil union 15, and the pipeline between the oil union 15 and the casing joint 30 is a double-male short section, that is, both ends of the short section are male threads.
In this embodiment, as shown in fig. 1, the number of the pressure guiding branch pipes 32 is the same as that of the gas production trees 27 of the water flooded wells, and the three pressure guiding branch pipes 32 are connected to the oil pipe joints 31 of the three gas production trees 27 of the water flooded wells in a one-to-one correspondence manner. Moreover, each pressure guide branch pipe 32 is connected with a foam volleyball filling cylinder 17. The foam volleyball filling cylinder 17 and the gas production tree 27 of the water flooded well connected to each pressure guide branch pipe 32 have the same structure, and the structure is described by taking one pressure guide branch pipe 32 as an example.
In this embodiment, as shown in fig. 1, a part of the pressure guiding pipe between the casing joint 30 of the gas production tree 11 of the gas source well and the foam and volleyball filling cylinder 17 is defined as a first sub-pipe 13, and a part of the pressure guiding pipe between the foam and volleyball filling cylinder 17 and the water flooding well gas production tree 27 is defined as a second sub-pipe 20. The first sub-pipes 13 are rigid steel pipes that withstand pressure of 25Mpa, and the three first sub-pipes 13 have a common line, which is the pressure-guiding main pipe 12.
In this embodiment, as shown in fig. 1, the foam volleyball filling cylinder 17 is arranged horizontally, the foam volleyball filling cylinder 17 is of a T-shaped structure and includes a horizontal cylinder 18 and a vertical cylinder 19, and the horizontal cylinder 18 and the vertical cylinder 19 are welded integrally without a seam. The horizontal cylinder 18 forms a storage cylinder for storing solid foam volleyballs 29, the vertical cylinder 19 forms a filling cylinder, the vertical cylinder 19 is provided with a filling port for filling the solid foam volleyballs 29, the opening of the filling port is upward, a detachable plug 21 is connected to the filling port, and the plug 21 is in sealing fit with the vertical cylinder 19 through threads. In other embodiments, the filling cartridge is also a horizontal cartridge, i.e. the filling opening of the filling cartridge is oriented horizontally, based on the storage cartridge being a horizontal cartridge.
In this embodiment, the inner diameter of the vertical cylinder 19 is 1-2 mm larger than the outer diameter of the foam volleyball 29 so as to facilitate the filling of the foam volleyball 29, and the inner diameter of the horizontal cylinder 18 is 1-2 mm larger than the outer diameter of the foam volleyball 29 so as to facilitate the smooth rolling of the foam volleyball 29 in the horizontal cylinder 18, so that the ball jamming phenomenon does not occur.
In the present embodiment, as shown in fig. 1, one end of the horizontal cylinder 18 communicates with the first sub-pipe 13, and the other end of the horizontal cylinder 18 communicates with the second sub-pipe 20. The first sub-pipe 13 is provided with a one-way valve 16, and the one-way valve 16 is arranged close to the foam volleyball filling cylinder 17 to prevent gas from shifting in the first sub-pipe 13, so that the success rate of injecting the foam volleyball 29 into the water flooded well is influenced.
In this embodiment, as shown in fig. 1, a first ball valve 22 is disposed at one end of the horizontal cylinder 18, which is communicated with the first sub-pipe 13, to control the connection and disconnection between the horizontal cylinder 18 and the first sub-pipe 13, and a second ball valve 23 is disposed at one end of the horizontal cylinder 18, which is communicated with the second sub-pipe 20, to control the connection and disconnection between the horizontal cylinder 18 and the second sub-pipe 20.
In this embodiment, as shown in fig. 1, the foam volleyball filling cylinders 17 are connected to the corresponding gas production trees 27 of the water flooded well through the second sub-pipes 20. The second sub-pipe 20 includes an arc-shaped connection pipe 24, an inclined connection pipe 25, and a U-shaped connection pipe 26, which are connected in turn through the oil union 15. The U-shaped connecting pipe 26 is connected with a pipe joint 31 of a gas production tree 27 of the water flooded well through an oil union 15. The central angle of the arc-shaped connecting pipe 24 is 30 degrees, the included angle between the inclined connecting pipe 25 and the horizontal direction is 30 degrees, and the central angle of the U-shaped connecting pipe 26 is 60 degrees, so that the foam volleyball 29 can pass through smoothly, and the problem that the foam volleyball 29 is hydrated due to the fact that accumulated liquid brought out from an oil pipe enters the horizontal cylinder 18 during production of a water flooded well is solved.
When the foam volleyball filling system works, the valves at the positions of the first ball valve 22, the second ball valve 23 and the sleeve joint 30 are opened, the valve at the position of the oil pipe joint 31 is closed, the whole pipeline is firstly tested to ensure that the whole pipeline is well sealed, and after the test is finished, the valve at the position of the sleeve joint 30 is closed and pressure relief is carried out. Then, the plug 21 is removed, the foam discharging ball 29 is filled in the horizontal cylinder 18 through the filling port of the vertical cylinder 19, the first ball valve 22 and the second ball valve 23 are closed, the valve at the oil pipe joint 31 is opened slowly, so that the second sub-pipe 20 is filled with the gas in the oil pipe of the water flooded well, and then the valve at the casing joint 30 is opened slowly, so that the first sub-pipe 13 is filled with the gas in the casing of the gas source well. Finally, the first ball valve 22 and the second ball valve 23 are opened simultaneously, the bubble volleyball 29 in the horizontal cylinder 18 is pushed by the pressure difference between the casing pressure of the gas source well gas production tree 11 and the tubing pressure of the water flooded well gas production tree 27, the bubble volleyball 29 is conveyed into the tubing of the water flooded well along the second sub-tube 20, and the bubble volleyball 29 falls into the bottom of the well when the readings of the gas source well casing pressure gauge 14 and the water flooded well oil pressure gauge 28 are similar. And then, closing the first ball valve 22 and the second ball valve 23, removing the plug 21, decompressing the foam volleyball filling cylinder 17, and repeating the steps to quickly fill the foam volleyball 29 for multiple times after the decompression is finished.
Embodiment 2 of the foam volleyball filling system of the present invention:
this example differs from example 1 in that: in embodiment 1, the pressure guiding pipe includes a pressure guiding main pipe 12 and pressure guiding branch pipes 32, at least two pressure guiding branch pipes 32 are provided, one end of the pressure guiding main pipe 12 is connected to the casing joint of the gas source well gas production tree 11, the other end of the pressure guiding main pipe 12 is communicated with all the pressure guiding branch pipes 32, and each pressure guiding branch pipe 32 is connected to a foam volleyball filling cylinder 17. In this embodiment, the pressure guiding pipe only includes the pressure guiding main pipe, and the one end of pressure guiding main pipe is connected on the casing pipe joint of gas production tree of air supply well, and the other end is connected on the oil pipe joint of water logging well gas production tree.
Embodiment 3 of the foam volleyball filling system of the present invention:
this example differs from example 1 in that: in embodiment 1, the number of the gas production trees 27 of the water flooded well is the same as that of the pressure guiding branch pipes 32, and the pressure guiding branch pipes 32 are connected to the oil pipe joints 31 of the gas production trees 27 of the corresponding water flooded well in a one-to-one correspondence manner. In this embodiment, only one gas production tree of the water flooded well is provided, and all the pressure guiding branch pipes 32 are collected into one pipeline, and are communicated with the gas production tree of the water flooded well through the pipeline.
Embodiment 4 of the foam volleyball filling system of the present invention:
this example differs from example 1 in that: in example 1, the foam volleyball filling cylinder 18 is horizontally placed. In the embodiment, the foam volleyball filling cylinder is vertically arranged above the gas production tree of the water flooded well.
Example 5 of the foam volleyball filling system of the present invention:
this example differs from example 1 in that: in embodiment 1, an air source well casing pressure gauge 14 is arranged at a casing joint 30 of an air source well gas production tree 11, and a water flooded well oil pressure gauge 28 is connected to a water flooded well gas production tree 27. In this embodiment, the gas production trees of the gas source well and the water flooded well are not connected with a pressure gauge, and the sleeve joint of the gas production tree of the gas source well and the oil pipe joint of the water flooded well are connected with a pressure sensor to detect pressure and can be connected with a display to display pressure data.
Example 6 of the foam volleyball filling system of the present invention:
this example differs from example 1 in that: in embodiment 1, the foam volleyball filling cylinder 17 has a T-shaped structure and comprises a horizontal cylinder 18 and a vertical cylinder 19, wherein the horizontal cylinder 18 is used for storing the foam volleyballs 29, and the vertical cylinder 19 is provided with a filling port for filling the foam volleyballs 29. The horizontal cylinder 18 constitutes a storage cylinder and the vertical cylinder 19 constitutes a filling cylinder. In this embodiment, the structure of the foam volleyball filling barrel is the same as that of the foam volleyball filling barrel disclosed in chinese patent publication No. CN210622778U, and is not described herein again.
The embodiment of the foam volleyball filling device comprises the following steps: the construction of this foam volleyball filling apparatus is the same as that of any one of embodiments 1 to 6 of the foam volleyball filling system described above, and will not be described in detail here.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (10)

1. The foam volleyball filling device is characterized by comprising a water flooding well gas production tree (27) arranged at a well mouth of a water flooding well, an air source well gas production tree (11) arranged at a well mouth of an air source well and a pressure guide pipe for connecting the water flooding well gas production tree (27) and the air source well gas production tree (11), wherein one end of the pressure guide pipe is connected to a sleeve joint (30) of the air source well gas production tree (11), the other end of the pressure guide pipe is connected to an oil pipe joint (31) of the water flooding well gas production tree (27), and a foam volleyball filling cylinder (17) for containing foam volleyballs (29) is connected to the pressure guide pipe; the pressure at the sleeve joint (30) of the gas production tree (11) of the gas source well is higher than the pressure at the oil pipe joint (31) of the gas production tree (27) of the water flooding well, so that the foam volleyballs (29) in the foam volleyball filling cylinder (17) are filled into the water flooding well.
2. The foam volleyball filling device according to claim 1, wherein the pressure guide pipe comprises a pressure guide main pipe (12) and at least two pressure guide branch pipes (32), one end of the pressure guide main pipe (12) is connected to a casing joint (30) of the gas source well gas production tree (11), the other end of the pressure guide main pipe (12) is communicated with all the pressure guide branch pipes (32), and each pressure guide branch pipe (32) is connected with the foam volleyball filling barrel (17).
3. The foam volleyball filling device according to claim 2, wherein the number of the pressure guide branch pipes (32) is the same as that of the gas production trees (27) of the water flooded wells, and the pressure guide branch pipes (32) are connected to the oil pipe joints (31) of the gas production trees (27) of the corresponding water flooded wells in a one-to-one correspondence manner.
4. The foam volleyball filling device according to claim 1, 2 or 3, wherein a one-way valve (16) is arranged on the pressure pipe between the gas production tree (11) of the gas source well and the foam volleyball filling barrel (17).
5. A foam volleyball filling apparatus according to claim 1, 2 or 3, wherein the foam volleyball filling barrel (17) is horizontally arranged.
6. The foam volleyball filling apparatus according to claim 5, wherein a portion of the pressure pipe between the casing joint (30) of the gas production tree (11) from the gas source well and the foam volleyball filling cylinder (17) is defined as a first sub-pipe (13), a portion of the pressure pipe between the foam volleyball filling cylinder (17) and the gas production tree (27) from the water flooding well is defined as a second sub-pipe (20), and the second sub-pipe (20) comprises an arc-shaped connecting pipe (24), an inclined connecting pipe (25) and a U-shaped connecting pipe (26), which are connected in sequence.
7. The foam volleyball filling device according to claim 1, 2 or 3, wherein an air source well casing pressure gauge (14) is arranged at a casing joint (30) of the air source well gas production tree (11), and a water flooding well oil pressure gauge (28) is connected to the water flooding well gas production tree (27).
8. A foam volleyball filling apparatus according to claim 1, 2 or 3, wherein the foam volleyball filling barrel (17) has a T-shaped structure including a storage barrel for storing the foam volleyballs (29), and a filling barrel having a filling port for filling the foam volleyballs (29).
9. A device according to claim 8, wherein the storage and filling cylinders have an internal diameter greater than the diameter of the ball (29).
10. The foam volleyball filling system is characterized by comprising a water flooding well, an air source well and a foam volleyball filling device, wherein the foam volleyball filling device is the foam volleyball filling device as claimed in any one of claims 1 to 9.
CN202122279140.5U 2021-09-18 2021-09-18 Foam volleyball filling device and foam volleyball filling system Active CN216381303U (en)

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CN202122279140.5U CN216381303U (en) 2021-09-18 2021-09-18 Foam volleyball filling device and foam volleyball filling system

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Application Number Priority Date Filing Date Title
CN202122279140.5U CN216381303U (en) 2021-09-18 2021-09-18 Foam volleyball filling device and foam volleyball filling system

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CN216381303U true CN216381303U (en) 2022-04-26

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