CN206448800U - A kind of Novel double-tube descends jet pump together - Google Patents
A kind of Novel double-tube descends jet pump together Download PDFInfo
- Publication number
- CN206448800U CN206448800U CN201720061532.5U CN201720061532U CN206448800U CN 206448800 U CN206448800 U CN 206448800U CN 201720061532 U CN201720061532 U CN 201720061532U CN 206448800 U CN206448800 U CN 206448800U
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- seal
- nipple
- pump barrel
- oil pipe
- shaped rubber
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Abstract
A kind of Novel double-tube descends jet pump together, it is related to a kind of water pumping gas production equipment, it includes pump barrel, pump core, upper seal nipple, center tubing seal joint, top connection, variable buckle pipe nipple, the upper end of pump barrel outer wall is connected with the lower end of upper seal nipple by O-shaped rubber seal rings for seal, the upper end of upper seal nipple and the lower end of top connection are connected by O-shaped rubber seal rings for seal, and upper end and the variable buckle pipe nipple of top connection are connected through a screw thread.The upper end of pump barrel inwall is connected with the lower end of upper seal nipple by O-shaped rubber seal rings for seal, the upper end of upper seal nipple is connected with the lower end of center tubing seal joint by O-shaped rubber seal rings for seal, and the upper end of center tubing seal joint is connected by internal oil pipe box cupling with center tubing nipple.The utility model can realize while internal oil pipe and external oil pipe from, go into the well, reduce construction risk, difficulty of construction, improve job success ratio, solve not enough present in gas well liquid loading process.
Description
Technical field
The utility model is related to a kind of water pumping gas production equipment, specifically a kind of to be adopted for meeting coal bed gas, shale gas etc.
The jet pump that gas well liquid loading feature and lifting are required.
Background technology
Current coal bed gas, the main method using water pumping gas production of exploitation of shale gas carry out gas production production.Concentric double pipe post
Jet pump pumping process is that the work of down-hole jet stream pump installation is driven by power fluid of water under high pressure, and down-hole jet stream pump installation is by pump
Cylinder, throw-in type pump core two parts composition；External oil pipe bottom connects tripping in center oil pipe inside pump barrel, external oil pipe during operation,
External oil pipe constitutes mixed liquor with center oil pipe toric space and returns out passage.
In the whole circulatory system, the connection sealing of center oil pipe lower end and jet pump pump barrel is particularly important.In center oil
Supporting seal section is designed on the insertion sealed joint of band " O " ring of bottom of the tube design specialized, corresponding pump barrel, during job execution
The working procedure of going into the well of external oil pipe is first completed, then insertion sealed joint is connected with center oil pipe, from well head suspension
Slow tripping in center oil pipe in device centre bore, under to after being hampered, insertion sealed joint is connected with pump barrel, makes center oil pipe
Weight is all pressed on external oil pipe bottom (i.e. the supporting seal section of pump barrel), and the length of center oil pipe is adjusted with pipe nipple in well head
Degree, can install head valve.
There is problems with this connected mode：Completing this process at least needs the insertion sealed by band " O " ring to connect
Head extracts its sealing surface 1-2 times, and inserting 2-3 times can just be installed in place, and so operates the risk that causes to the seal section, easily
Sealing ring is damaged, leakage is caused, it is impossible to ensure the success rate of operation 100%, especially for High angle cluster well difficulty of construction more
Greatly.
Utility model content
In order to overcome the shortcoming that above-mentioned prior art is present, the purpose of this utility model is to provide a kind of Novel double-tube neat
Lower jet pump, it can realize while internal oil pipe and external oil pipe from, go into the well, reduce construction risk, difficulty of construction, improve
Job success ratio, is solved not enough present in gas well liquid loading process.
In order to solve the above problems, the utility model uses following technical scheme：A kind of Novel double-tube descends jet pump together, bag
Pump barrel, pump core are included, it is characterized in that, in addition to upper seal nipple, center tubing seal joint, top connection, variable buckle pipe nipple, it is described
Pump barrel includes pump barrel outer wall and pump barrel inwall, and the upper end of pump barrel outer wall and the lower end of upper seal nipple pass through O-shaped rubber seal
It is tightly connected, the upper end of upper seal nipple and the lower end of top connection are connected by O-shaped rubber seal rings for seal, described top connection
Upper end be connected through a screw thread with variable buckle pipe nipple, the upper end of variable buckle pipe nipple passes through external oil pipe box cupling and connected with external oil pipe pipe nipple
Connect,
The upper end of described pump barrel inwall is connected with the lower end of upper seal nipple by O-shaped rubber seal rings for seal, described
The upper end of upper seal nipple be connected with the lower end of center tubing seal joint by O-shaped rubber seal rings for seal, it is described in
The upper end of heart tubing seal joint is connected by internal oil pipe box cupling with center tubing nipple.
The beneficial effects of the utility model are：
1st, construction risk, difficulty of construction can be reduced, job success ratio is improved, solved present in gas well liquid loading process not
Foot.
2nd, from can realizing while internal oil pipe and external oil pipe, go into the well, by the invisible transition of operation in shaft bottom to ground
Face intuitive operation, it is to avoid the underground connection operation of center oil bottom of the tube and pump barrel, is effectively protected pump barrel and center oil pipe connects
The sealing of socket part position, so as to ensure that job success ratio, facilitates the construction of High angle cluster well.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
In figure：1 pump core, 2 pump barrel outer walls, 3 pump barrel inwalls, seal nipple, 5 top connections, 6 basepipe seal joints, 7 on 4
Internal oil pipe box cupling, 8 variable buckle pipe nipples, 9 external oil pipe box cuplings, 10 center tubing nipples, 11 external oil pipe pipe nipples, 12 O-shaped rubber
Sealing ring.
Embodiment
As shown in figure 1, a kind of Novel double-tube descends jet pump, including pump barrel, pump core 1 together, it is characterized in that, in addition to upper sealing
Joint 4, center tubing seal joint 6, top connection 5, variable buckle pipe nipple 8, described pump barrel include pump barrel outer wall 2 and pump barrel inwall 3,
The upper end of pump barrel outer wall 2 is connected with the lower end of upper seal nipple 4 by O-shaped rubber seal rings for seal 12, upper seal nipple 4 it is upper
The lower end with top connection 5 is held to be tightly connected by O-shaped rubber seal 12, the upper end of described top connection 5 leads to variable buckle pipe nipple 8
Threaded connection is crossed, the upper end of variable buckle pipe nipple 8 is connected by external oil pipe box cupling 9 with external oil pipe pipe nipple 11.
The upper end of described pump barrel inwall 3 and the lower end of upper seal nipple 4 are tightly connected by O-shaped rubber seal 12,
The upper end of described upper seal nipple 4 and the lower end of center tubing seal joint 6 are tightly connected by O-shaped rubber seal 12,
The upper end of described center tubing seal joint 6 is connected by internal oil pipe box cupling 7 with center tubing nipple 10.
The utility model is not limited solely to above example.
Claims (1)
1. a kind of Novel double-tube descends jet pump, including pump barrel, pump core together, it is characterized in that, in addition to upper seal nipple, center oil pipe
Seal nipple, top connection, variable buckle pipe nipple, described pump barrel include pump barrel outer wall and pump barrel inwall, the upper end of pump barrel outer wall with it is upper
The lower end of seal nipple is connected by O-shaped rubber seal rings for seal, and the upper end of upper seal nipple and the lower end of top connection pass through O-shaped
Rubber seal rings for seal is connected, and the upper end of described top connection is connected through a screw thread with variable buckle pipe nipple, and the upper end of variable buckle pipe nipple leads to
External oil pipe box cupling is crossed to be connected with external oil pipe pipe nipple,
The upper end of described pump barrel inwall is connected with the lower end of upper seal nipple by O-shaped rubber seal rings for seal, and described is upper
The upper end of seal nipple is connected with the lower end of center tubing seal joint by O-shaped rubber seal rings for seal, described center oil
The upper end of seal of tube joint is connected by internal oil pipe box cupling with center tubing nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720061532.5U CN206448800U (en) | 2017-01-18 | 2017-01-18 | A kind of Novel double-tube descends jet pump together |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720061532.5U CN206448800U (en) | 2017-01-18 | 2017-01-18 | A kind of Novel double-tube descends jet pump together |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448800U true CN206448800U (en) | 2017-08-29 |
Family
ID=59671780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720061532.5U Active CN206448800U (en) | 2017-01-18 | 2017-01-18 | A kind of Novel double-tube descends jet pump together |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448800U (en) |
-
2017
- 2017-01-18 CN CN201720061532.5U patent/CN206448800U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 253034 Jinghua South Road, Dezhou Economic Development Zone, Shandong Province Patentee after: DEZHOU UNITED PETROLEUM TECHNOLOGY Corp. Address before: 253034 Shandong city of Dezhou Province Economic and Technological Development Zone South Road crystal Patentee before: DEZHOU UNITED PETROLEUM MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address |