CN209654016U - A kind of watered-out well water drainage-gas recovery technology tubing string - Google Patents
A kind of watered-out well water drainage-gas recovery technology tubing string Download PDFInfo
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- CN209654016U CN209654016U CN201920089385.1U CN201920089385U CN209654016U CN 209654016 U CN209654016 U CN 209654016U CN 201920089385 U CN201920089385 U CN 201920089385U CN 209654016 U CN209654016 U CN 209654016U
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- sucker rod
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Abstract
The utility model discloses a kind of watered-out well water drainage-gas recovery technology tubing strings, including oil pipe, sucker rod, oil well pump, the pump barrel of the oil pipe lower end connection oil well pump, it further include desilting tail pipe, wire-wrapped screen, gas-liquid separator, drop-off preventer for sucker rod, the pump barrel lower end of the gas-liquid separator upper end connection oil well pump, gas-liquid separator lower end connected pipes pipe nipple upper end, wire-wrapped screen upper end connected pipes pipe nipple lower end, wire-wrapped screen lower end connects desilting tail pipe upper end, sucker rod lower end connecting with pumping rod anti-dropping device upper end, the plunger of drop-off preventer for sucker rod lower end connection oil well pump.Desilting tail pipe lower end connects guider.The utility model enables watered gas well continuous production, reduces safety and environmentally friendly hidden danger, extends the normal production cycles of gas well, using effect is ideal.
Description
Technical field
The utility model relates to the technical field of water pumping gas production during exploitation of oil-gas field, specifically a kind of watered-out well
Water drainage-gas recovery technology tubing string.
Background technique
Natural gas has become the main force of 21 century world's clean energy resource, and demand of the China to natural gas is also being skyrocketed through.
Under the conditions of safe and environment-friendly high-efficiency mining natural gas, increase substantially the target that gas recovery factor is oil-gas field development.
There is production gas well distribution in Dong Sheng company in each directorial area at present, produces gas well mostly and be in that air water is same to adopt the stage,
Part gas well gas production, which gradually reduces, even to stop production.Main cause is that development late stage stratum energy is insufficient, pressure fall compared with
Greatly, it while producing that gas fluid-carrying capability is poor, and part gas well even water logging occurs, causes nearly well nearby to pollute, hinder the flowing of natural gas.
These gas wells, which cannot be produced normally, will cause two problems, first is that individual well outlet tube line cannot heat in time, pipeline be caused to block
It influences oil well and is unable to continuous production；Second is that multi-purpose station heating is limited, and then influence the work such as pin oil.Therefore, carry out water pumping gas production
Guarantee that the work of watered gas well stable yields is extremely important.
At present there are mainly two types of method solve watered gas well resume production, first is that using casing gaslift drainage gas recovery come
It carries out drain to resume production, resume production second is that adding foam by casing and reducing fluid density to carry out drain.Both are done
Method can maintain to produce at water logging initial stage, but need continuous construction, and heavy workload, effect is also more and more unobvious, in order to thorough
Solve the problems, such as that gas supply deficiency needs to seek a kind of effective method to solve the production problem.
Application number: 201720003065.0 provide a kind of water drainage gas production device, comprising: the lower part of gas production tubing string and gas-liquid point
Flow the top connection of device；Column pipe and gas production tubing string are concentric double pipe column, and gas production tubing string is located at the inside of column pipe；Row
It is provided with gas lift valve on water pipe column, is provided with pre-determined distance between the bottom and packer of column pipe；Column pipe, gas-liquid
Part flow arrangement and liquid guiding tube are located at the inside of casing, wherein casing is provided with perforation in the well section for being located at gas-bearing formation position；Gas-liquid
It is formed and is sealed by packer between part flow arrangement and casing, casing annulus is divided into first part and second part；Gas-liquid
The top of part flow arrangement is connect with the lower part of gas production tubing string；The lower part of gas-liquid part flow arrangement and the top of liquid guiding tube connect, and draw liquid
The lower part of pipe is connect with check valve, and measuring device is lowered into packer top, gas injection device and casing via the sleeve opening of casing
Sleeve opening connection.The utility model can be improved the recovery ratio of gas.
Application number: 201721630980.9 disclose a kind of gas well water drainage gas production device, including hydraulic planger pump, described
Hydraulic planger pump bottom end is equipped with tail pipe, and the hydraulic planger pump top is successively arranged drainpipe, returns liquid pipe, air collecting pipe, the row
Water pipe, return liquid pipe, air collecting pipe top is fixed on wellhead assembly, the wellhead assembly includes pedestal and turntable, in the turntable
Return liquid pipe side wall equipped with torsional spring, the both ends of the torsional spring are separately fixed on the fixing port in turntable；The turntable bottom end
Four sides are equipped with fixed column, are equipped with baffle in the upper portion side wall of four fixed columns.The wellhead assembly of the utility model
Pedestal and turntable can realize drainpipe, return liquid pipe, the function that the outlet end of air collecting pipe rotates, and can be realized by torsional spring automatic multiple
Position, when rotation, the ball under fixed column can roll in ball grooves, and fixed column is connected by the first spring with turntable, is subtracted
The generated vibration in rotation of small turntable.
Application number: 201420642569.3 are related to a kind of water drainage gas production device, pass through the hydraulic planger pump, the tail
Pipe and the outlet pipe form formation fluid runner, the Surface power drive station and the well dynamic liquid pipe, it is described return liquid pipe with
And the hydraulic planger pump forms power fluid circulation canal.The formation fluid is passed through individual channel by the water drainage gas production device
Discharge, avoids side-abrasion of rod string, causes failure.The utility model utilizes low cost, simple apparatus structure and convenient easy behaviour
Make to improve the working efficiency of the water drainage gas production device the formation fluid is discharged, reduce unit failure, extend pump detection period,
Side-abrasion of rod string is avoided, the water pumping gas production of a variety of mines such as horizontal well, inclined shaft, directional well, cluster well can be widely used in.
File disclosed above and technical scheme be not identical.
Utility model content
The purpose of this utility model is to provide a kind of watered-out well water drainage-gas recovery technology tubing strings, keep watered gas well continuous
Production reduces safety and environmentally friendly hidden danger, extends the normal production cycles of gas well, and using effect is ideal.
In order to achieve the above objectives, the utility model uses following technical solution, a kind of watered-out well water drainage-gas recovery technology
Tubing string, including oil pipe, sucker rod, oil well pump, the pump barrel of the oil pipe lower end connection oil well pump, further includes desilting tail pipe, wrapping wire
Screen casing, gas-liquid separator, drop-off preventer for sucker rod, the pump barrel lower end of the gas-liquid separator upper end connection oil well pump, gas-liquid separation
Device lower end connected pipes pipe nipple upper end, wire-wrapped screen upper end connected pipes pipe nipple lower end, wire-wrapped screen lower end connect desilting
Tail pipe upper end, sucker rod lower end connecting with pumping rod anti-dropping device upper end, drop-off preventer for sucker rod lower end connect the plunger of oil well pump.
Desilting tail pipe lower end connects guider.
Desilting tail pipe lower end is connect with guider upper end screw thread type.
Gas-liquid separator upper end screw thread type connects the pump barrel lower end of oil well pump, the connection of gas-liquid separator lower end screw thread type
Tubing nipple upper end.
The wire-wrapped screen upper end screw thread type connected pipes pipe nipple lower end, wire-wrapped screen lower end screw thread type connect desilting tail pipe
Upper end
The sucker rod lower end screw thread type connecting with pumping rod anti-dropping device upper end, the connection of drop-off preventer for sucker rod lower end screw thread type are taken out
The plunger of oil pump.
The utility model has the advantages that compared with prior art
The utility model passes through the implementation of the set process pipe string, solves the difficulty that part watered gas well cannot be produced normally
Topic, ensure that the normal continuous production of gas well, extends the service life of gas well liquid loading.It is used by scene, effect is clearly.
Detailed description of the invention
Fig. 1 is a kind of watered-out well water drainage-gas recovery technology tubular column structure schematic diagram of the utility model.
Marked in the figure: guider 1, desilting tail pipe 2, wire-wrapped screen 3, tubing nipple 4, gas-liquid separator 5, oil well pump 6, oil
Pipe 7, drop-off preventer for sucker rod 8, sucker rod 9.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of watered-out well water drainage-gas recovery technology tubing string, including
Oil pipe 7, sucker rod 9, oil well pump 6, the pump barrel of oil pipe lower end connection oil well pump, further include desilting tail pipe 2, wire-wrapped screen 3,
Gas-liquid separator 5, drop-off preventer for sucker rod 8, the pump barrel lower end of gas-liquid separator upper end connection oil well pump, under gas-liquid separator
Connected pipes pipe nipple upper end, 4 lower end of wire-wrapped screen upper end connected pipes pipe nipple are held, wire-wrapped screen lower end connects desilting tail pipe
Upper end, sucker rod lower end connecting with pumping rod anti-dropping device upper end, drop-off preventer for sucker rod lower end connect the plunger of oil well pump.
Desilting tail pipe lower end connects guider 1.
Desilting tail pipe lower end is connect with guider upper end screw thread type.
Gas-liquid separator upper end screw thread type connects the pump barrel lower end of oil well pump, the connection of gas-liquid separator lower end screw thread type
Tubing nipple upper end.
The wire-wrapped screen upper end screw thread type connected pipes pipe nipple lower end, wire-wrapped screen lower end screw thread type connect desilting tail pipe
Upper end
The sucker rod lower end screw thread type connecting with pumping rod anti-dropping device upper end, the connection of drop-off preventer for sucker rod lower end screw thread type are taken out
The plunger of oil pump.
Watered-out well water drainage-gas recovery technology tubing string install when, first under well head guider 1, be sequentially connected tripping in desilting tail pipe
2, wire-wrapped screen 3, tubing nipple 4, gas-liquid separator 5, oil well pump 6, oil pipe 7, drop-off preventer for sucker rod 8, sucker rod 9.Work as the whole series
Process pipe string after the installation is completed, is pumped by rod string and oil pump plunger piston is driven to move, and makes to be mounted on plunger
Travelling valve and pump barrel bottom fixed valve alternation switch, ground is constantly discharged in liquid in well, to reduce bottom hole flowing pressure,
Increase producing pressure differential, realizes that oil pipe draining, casing produce a lifting technology tubing string of gas.
The guider is located at the bottom of oil recovery work tubing string, and global shape is tapered, is mainly used to reduce tubing string tripping in
Resistance has guiding role.Guider itself belongs to the existing Conventional mechanisms of the art oil well pipe bottom.
The desilting tail pipe is located at the top of guider, is mainly made of several oil pipes, is mainly used to collect into pump liquid
In the dopes such as the powder fine sand that is deposited due to self weight and mud, can be taken out of in passing during well workover, avoid pollution oil reservoir.
Desilting tail pipe itself belongs to the existing Conventional mechanisms of the art oil well pipe bottom.
The wire-wrapped screen is located at the top of desilting tail pipe, and main function is gravel, the residue of filtering production layer position output
Equal wastes, avoid holddown.Wire-wrapped screen itself belongs to the existing Conventional mechanisms of the art oil well pipe bottom.
The gas-liquid separator is mounted on oil well pump lower end, and effect is the influence for reducing gas to pump work, improves pump efficiency.
Its working principle is that underground air-water mixture changes fluid circulation side after the aperture of separator outer tube flows into, through special construction
To, since air-liquid density contrast is larger, gas density is small, moves upwards, it is escaped into wellbore casing from the eyelet on outer tube top,
Fluid density is big, natural subsidence to lower part, is entered by the aperture of inner tube lower part in oil well pump, is discharged ground.Gas-liquid separation
Device itself belongs to the existing Conventional mechanisms of the art oil well pipe bottom.
The oil well pump belongs to the prior art, is mainly made of, passes through pump barrel, plunger, fixed valve and four part of travelling valve
Plunger pumps, and is pressurized the liquid in tubing string, and stratum is constantly produced liquid pumping to ground.Oil well pump itself
Belong to the existing Conventional mechanisms of the art oil well pipe bottom.
The sucker rod plays the role of connecting Surface power drive equipment and downhole pump, by pumping, band
Dynamic oil pumping pump work.Sucker rod itself belongs to the existing Conventional mechanisms of the art oil well pipe bottom.
The drop-off preventer for sucker rod is mainly used to discharge what sucker rod generated in pumping by the effect of well load
Additional torque.Its working principle is that when the additional torque that anti-dropping device lower contact generates is transmitted to the rotating mechanism inside anti-dropping device
When, lower contact drives rotating mechanism to rotate, and torque is avoided to continue to transmit, and such as " union ", discharges torque with this, keeps away
The tensile strength and connection screw thread for exempting from roofbolt torsional deformation reduction roofbolt, which release, causes roofbolt slippage, de- underground failure of breaking.Institute
It states drop-off preventer for sucker rod and belongs to this field routine techniques, can directly use drop-off preventer for sucker rod in the prior art, such as Shen
Please number: 201710096043.8 provide a kind of Anti-releasing device for sucker rod.Bull stick passes through torque releasing apparatus and screw rod
Pump connection screw thread is connect with screw pump, under the effect of bull stick rotary force, drives screw pump rotation oil pumping.In torque releasing apparatus
Shaft top be connected with bull stick, torque releasing apparatus lower part by screw pump connection screw thread be equipped with screw pump.It is released in torque
The middle part for putting device is equipped with the section wall sliding slot that diameter becomes larger, and the sliding slot has the outer wall of involute terminal.Shaft is placed in
Radial component in sliding slot is arranged with spring mounting hole, is provided with spring in hole, and spring lower part is withstood on ball, shaft rotation,
Ball is in sliding slot intrinsic displacement.Shaft slipper is mounted in screw pump connection screw thread inner hole by shaft by installation nut
Baffle on.Since the present invention can generate reaction torque, prevent connecting component from threading off when screw pump breaks down.It is suitable for making
It is used for screw pump and drop-off preventer for sucker rod.
The utility model passes through the implementation of the set process pipe string, solves the difficulty that part watered gas well cannot be produced normally
Topic, ensure that the normal continuous production of gas well, extends the service life of gas well liquid loading.It is used by scene, effect is clearly.
In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of watered-out well water drainage-gas recovery technology tubing string, including oil pipe, sucker rod, oil well pump, the oil pipe lower end connection oil pumping
The pump barrel of pump, which is characterized in that further include desilting tail pipe, wire-wrapped screen, gas-liquid separator, drop-off preventer for sucker rod, the gas-liquid
Separator upper end connects the pump barrel lower end of oil well pump, gas-liquid separator lower end connected pipes pipe nipple upper end, on the wire-wrapped screen
Connected pipes pipe nipple lower end is held, wire-wrapped screen lower end connects desilting tail pipe upper end, the sucker rod lower end connecting with pumping rod anticreep
Device upper end, drop-off preventer for sucker rod lower end connect the plunger of oil well pump.
2. a kind of watered-out well water drainage-gas recovery technology tubing string according to claim 1, which is characterized in that under the desilting tail pipe
End connection guider.
3. a kind of watered-out well water drainage-gas recovery technology tubing string according to claim 2, which is characterized in that under the desilting tail pipe
End is connect with guider upper end screw thread type.
4. a kind of watered-out well water drainage-gas recovery technology tubing string according to claim 1 or 2 or 3, which is characterized in that the gas-liquid
Separator upper end screw thread type connects the pump barrel lower end of oil well pump, gas-liquid separator lower end screw thread type connected pipes pipe nipple upper end.
5. a kind of watered-out well water drainage-gas recovery technology tubing string according to claim 1 or 2 or 3, which is characterized in that the wrapping wire
Screen casing upper end screw thread type connected pipes pipe nipple lower end, wire-wrapped screen lower end screw thread type connect desilting tail pipe upper end.
6. a kind of watered-out well water drainage-gas recovery technology tubing string according to claim 1 or 2 or 3, which is characterized in that the oil pumping
Bar lower end screw thread type connecting with pumping rod anti-dropping device upper end, drop-off preventer for sucker rod lower end screw thread type connect the plunger of oil well pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089385.1U CN209654016U (en) | 2019-01-18 | 2019-01-18 | A kind of watered-out well water drainage-gas recovery technology tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089385.1U CN209654016U (en) | 2019-01-18 | 2019-01-18 | A kind of watered-out well water drainage-gas recovery technology tubing string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654016U true CN209654016U (en) | 2019-11-19 |
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ID=68521665
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920089385.1U Active CN209654016U (en) | 2019-01-18 | 2019-01-18 | A kind of watered-out well water drainage-gas recovery technology tubing string |
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| Country | Link |
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| CN (1) | CN209654016U (en) |
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2019
- 2019-01-18 CN CN201920089385.1U patent/CN209654016U/en active Active
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