CN205315218U - Formula sand pump can creep into - Google Patents
Formula sand pump can creep into Download PDFInfo
- Publication number
- CN205315218U CN205315218U CN201620053392.2U CN201620053392U CN205315218U CN 205315218 U CN205315218 U CN 205315218U CN 201620053392 U CN201620053392 U CN 201620053392U CN 205315218 U CN205315218 U CN 205315218U
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- China
- Prior art keywords
- sand
- pump barrel
- pump
- top connection
- pull bar
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- Expired - Fee Related
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Abstract
The utility model provides a formula sand pump can creep into, pump barrel top connection including pump barrel and pump barrel upper end, be equipped with up -and -down motion's plunger pull rod in the pump barrel, plunger pull rod upper end is equipped with the pull rod top connection that is used for with the motor tube support connnection, torque transmission structure transmission coordination is passed through in pull rod top connection and pump barrel top connection, the rotation torque that comes from the motor tube post passes through the pull rod top connection and transmits to pump barrel and sand shovel, do not need rethread plunger pull rod transmission moment of torsion, because the section size of pull rod top connection is bigger than plunger pull rod, consequently, the moment of torsion of transmission is also big, thereby make that to creep into the operation easier. Formula sand pump can creep into includes still and sets up in the sand sediment pipe subassembly of pump barrel lower extreme through tubing coupling that the lower extreme of sand sediment pipe subassembly is equipped with the sand shovel, and the pump barrel top connection is threaded connection with pump barrel, tubing coupling with the sand sediment pipe subassembly, and the screw thread revolves to the unanimity, is leaded to problem that moment of torsion can't transmit because of indivedual parts by the loosening with regard to not taking place like this in the moment of torsion transmittance process.
Description
Technical field
The utility model relates to one can drilling type sand pump.
Background technology
In oil exploitation process, owing to being subject to the impact of geologic(al) factor and mining factor, oil well can produce the phenomenon of shaking out, after sand production, if the liquid stream in well can not all bring to ground by shaking out, in well, sand precipitates gradually, sand post increases, and stops up oil discharge passage, increases flow resistance, the oil well underproduction is even stopped production, can damage underground equipment simultaneously and cause down-hole sand card accident. Therefore, must take measures to remove long-pending sand, conventionally the method adopting is that hydraulic sand washing and machinery drag for sand, when hydraulic sand washing, a large amount of sand cleaning fluids enter stratum, pollute, and sand pipe laying post often appear in positive sand washing, cause oil-water well overhaul, recoil when sand because well mouth hanger sealing position is easily stung with Louing, discharge capacity sand washing easily causes sand washing unsuccessfully greatly, particularly low for strata pressure, miss serious oil well, hydraulic sand washing can not thoroughly be removed well inner product sand. Machinery drags for sand and often adopts sand pump to drag for sand, thereby sand pump is while utilizing plunger pull bar to move upward, to produce negative pressure to make sand grains enter sand sediment pipe with oil-water mixture, when plunger pull bar moves downward, sand grains is precipitated in sand sediment pipe, oil-water mixture passes through the bypassing reflux stream on sand pump top to oil sets annular space, by pumping of plunger pull bar, sand grains is sucked to sand sediment pipe deposition, finally sand pump is tripped out by ground power unit, discharge sand setting to reach the object of fishing for well inner product sand.
Granted publication number is CN204646606U, Granted publication day is that the Chinese utility model patent of 2015.09.16 discloses a kind of multi-functional sand pump, comprise that the pump housing is pump barrel, sand shovel and sand sediment pipe, in pump barrel, being provided with the piston rod that can pump is plunger pull bar, the pumping in pump barrel by plunger pull bar, sand grains is sucked to sand sediment pipe deposition, this sand pump is taken out sand in order to realize creeping into, the transmission nut that is provided with six side's shapes on the top of pump barrel is pump barrel top connection, plunger pull bar is also arranged to six side's shapes simultaneously, plunger pull bar is a kind of pull bar top connection by multi-functional upper valve group, with the power tubing string on top be connected, plunger pull bar can move by easy on and off like this, thereby can under the rotation of power tubing string, drive again pump barrel to drive sand shovel to be rotated, can bore sand face and again can be in time be drawn into oil pipe inside by boring broken sand with regard to having reached like this. this invention is that the rotation torque of ultromotivity tubing string in the future passes to pump barrel by the plunger pull bar of six side's shapes, rotarily driving sand shovel rotation by pump barrel again realizes and creeping into, because the sectional dimension of plunger pull bar is smaller, therefore the moment of torsion transmitting is less, in the time carrying out moment of torsion transmission, need power tubing string to apply larger revolving force. meanwhile, plunger pull bar must be processed into six side's shapes, and the length of general plunger pull bar is long, and manufacture difficulty is just larger like this. in addition, plunger pull bar, taking out in sand process the distortion that may be distorted of rotation frequently, will affect like this it and pump, and causes taking out sand operation.
Utility model content
The purpose of this utility model is to provide the one can drilling type sand pump, to solve in prior art sand pump to creep into while taking out sand operation plunger pull bar transmitting torque little and cause creeping into the problem that difficulty is large.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
One can drilling type sand pump, comprise the pump barrel extending along the vertical direction and the pump barrel top connection of being located at pump barrel upper end, in pump barrel, be provided with the plunger pull bar that can pump, plunger pull bar upper end is provided with the pull bar top connection for being connected with power tubing string, can also comprise the sand sediment pipe assembly that is arranged at pump barrel lower end by tubing coupling by drilling type sand pump, the lower end of sand sediment pipe assembly is provided with sand shovel, pull bar top connection and pump barrel top connection coordinate by torque transmission structure transmission, pump barrel top connection and pump barrel, tubing coupling is and is threaded with sand sediment pipe assembly, and thread rotary orientation is consistent.
Described torque transmission structure comprises the interior square hole of offering in pump barrel top connection, and pull bar top connection be provided with the coincide outer square toes of inserting of interior square hole.
Described interior square hole and outer square toes are six side's shapes.
Can drilling type sand pump also comprising and be connected in the plunger body that plunger pull bar lower end reciprocatingly slides in pump barrel, is becket sealing between described plunger body and pump barrel.
Can also comprise the pump barrel lower contact that is arranged at pump barrel lower end by drilling type sand pump, pump barrel lower contact lower end is provided with standing valve assembly, and standing valve assembly comprises standing valve, and described standing valve is streamlined structure.
Described sand shovel is plow-shape sand shovel.
The beneficial effects of the utility model are: pull bar top connection and pump barrel top connection coordinate by torque transmission structure transmission, just can be passed to pump barrel and sand shovel by pull bar top connection from the moment of torsion of power tubing string like this, do not need to carry out transmitting torque by plunger pull bar again, because the sectional dimension of pull bar top connection is larger than plunger pull bar, therefore the moment of torsion transmitting is also large, is more prone to thereby make to creep into operation. Pump barrel top connection is and is threaded with sand sediment pipe assembly with pump barrel, tubing coupling, and thread rotary orientation is consistent, just can not occur like this to be unscrewed because of indivedual parts the problem that causes moment of torsion to transmit in moment of torsion transmittance process.
Brief description of the drawings
Fig. 1 is the structural profile schematic diagram of a embodiment that can drilling type sand pump upper part in the utility model.
Fig. 2 is the structural profile schematic diagram of a embodiment that can drilling type sand pump mid portion in the utility model.
Fig. 3 is the structural profile schematic diagram of a embodiment that can drilling type sand pump lower part in the utility model.
In figure: 1. pull bar top connection; 2. pump barrel top connection; 3. plunger pull bar; 4. pump barrel; 5. pull bar reducer union; 6. plunger upward-traveling valves assembly; 7. plunger body; 8. plunger lower travelling valve assembly; 9. pump barrel lower contact; 10. standing valve assembly; 11. tubing couplings; 12. sand sediment pipes; 13. valve assemblies; 14. plow-shape sand shovels.
Detailed description of the invention
Embodiment that can drilling type sand pump is as shown in Fig. 1 ~ Fig. 3, comprise the pump barrel 4 extending along the vertical direction and the pump barrel top connection 2 that is arranged at pump barrel 4 upper ends, the circumferential symmetry of pump barrel top connection 2 offers bypass, in pump barrel 4, be provided with the plunger pull bar 3 that can pump, plunger pull bar 3 is pipe, the outside of plunger pull bar 3 upper ends is provided with the pull bar top connection 1 for being connected with power tubing string (not shown), pull bar top connection 1 and pump barrel top connection 2 coordinate by torque transmission structure transmission, described torque transmission structure comprises the interior square hole of offering in pump barrel top connection 2, and 1 outer square toes that be provided with and the identical inserting of interior square hole in pull bar top connection, in this embodiment, interior square hole and outer square toes are six side's shapes. the bottom of plunger pull bar 3 is provided with pull bar reducer union 5, and pull bar reducer union 5 connects plunger body 7 by plunger upward-traveling valves assembly 6, between plunger body 7 and pump barrel 4, is becket sealing, and plunger body 7 bottoms are provided with plunger lower travelling valve assembly 8. the lower end of pump barrel 4 is provided with pump barrel lower contact 9,9 times fixeds of pump barrel lower contact are determined valve assembly 10, standing valve assembly 10 comprises standing valve, standing valve is streamlined structure, standing valve assembly 10 bottoms are provided with the sand sediment pipe assembly connecting by tubing coupling 11, sand sediment pipe assembly comprises sand sediment pipe 12 and valve assembly 13, and sand sediment pipe assembly lower end is provided with plow-shape sand shovel 14. pump barrel top connection 2 is and is threaded with sand sediment pipe assembly with pump barrel 4, tubing coupling 11, and thread rotary orientation is consistent.
While taking out sand operation, qualified ground check can drilling type sand pump being lowered to taken out to sand sand face position, on carry power tubing string, the moving plunger pull bar 3 of power pipe cornice and plunger body 7 move up, pump barrel 4 and sand sediment pipe 12 are because Gravitative Loads moves on not, now plunger body 7 is upper, lower travelling valve is closed, the interior formation low pressure of the pump barrel 4 of plunger lower travelling valve assembly below 8, therefore valve assembly 13 and standing valve assembly 10 are opened, the sand grains that plow-shape sand shovels 14 outsides enters sand sediment pipe 12 with oil-water mixture, if sand pump is operation below liquid level, now have some oil-water mixtures and flow into pump barrel 4 inside in the bypass of the pump barrel top connection 2 on sand pump top, along with moving up of plunger body 7, this part oil-water mixture can be from the bypassing reflux stream of pump barrel top connection 2 to (not shown) oil jacket annular. while transferring power tubing string, valve assembly 13 and standing valve assembly 10 are closed, sand grains obtains preliminary sedimentation in sand sediment pipe 12, plunger upward-traveling valves assembly 6 and plunger lower travelling valve assembly 8 are opened, the oil-water mixture on standing valve assembly 10 tops after plunger lower travelling valve assembly 8, plunger body 7, plunger upward-traveling valves assembly 6 enter the annular space that plunger pull bar 3 and pump barrel 4 form through the bypassing reflux stream of pump barrel top connection 2 to oil sets annular space, take out sand and prepare for carrying power tubing string on next time. when pressure break, squeeze stifled or long-term note and adopt while making sand face durable, power tubing string and rotary power tubing string make up a joint, the inserting that coincide of six square toes of pull bar top connection 1 and the hexagonal hole of pump barrel top connection 2, the moment of torsion that power tubing string is produced passes to pump barrel top connection 2 by pull bar top connection 1, has also just been delivered on pump barrel 4, thereby has driven the plow-shape sand shovel 14 of sand pump bottom to rotate, realize and creeping into this, smash after pine at sand face, continued to move back and forth up and down power tubing string, taken out sand operation.
Can meet use needs because plunger pull bar need not be reprocessed into square, conventional pipe, greatly reduce manufacture difficulty. Meanwhile, plunger pull bar only pumps, and no longer twists with transmitting torque, has so also just avoided being distorted distortion and the problem of sand operation is taken out in impact. Sealing between plunger body and pump barrel replaces engineering plastics to seal by becket sealing, has realized assembling, maintenance simplification. Standing valve adopts streamlined structure, reduces circulating resistance, and sand water mixed liquid is easy to pass through standing valve. Adopting plow-shape sand shovel is in order to make sand shovel possess good grinding and drilling performance simultaneously.
In can other embodiment of drilling type sand pump: outer square toes can be set in pump barrel top connection, corresponding offer interior square hole in pull bar top connection; Outer square toes and interior square hole can be also other polygonal shapes.
Claims (6)
- One kind can drilling type sand pump, comprise the pump barrel extending along the vertical direction and the pump barrel top connection of being located at pump barrel upper end, in pump barrel, be provided with the plunger pull bar that can pump, plunger pull bar upper end is provided with the pull bar top connection for being connected with power tubing string, can also comprise the sand sediment pipe assembly that is arranged at pump barrel lower end by tubing coupling by drilling type sand pump, the lower end of sand sediment pipe assembly is provided with sand shovel, it is characterized in that: pull bar top connection and pump barrel top connection coordinate by torque transmission structure transmission, pump barrel top connection and pump barrel, tubing coupling is and is threaded with sand sediment pipe assembly, and thread rotary orientation is consistent.
- 2. according to claim 1 can drilling type sand pump, it is characterized in that: described torque transmission structure comprises the interior square hole of offering in pump barrel top connection, and pull bar top connection be provided with the coincide outer square toes of inserting of interior square hole.
- 3. according to claim 2 can drilling type sand pump, it is characterized in that: described interior square hole and outer square toes are six side's shapes.
- 4. according to claim 1 can drilling type sand pump, it is characterized in that: can drilling type sand pump also comprising and be connected in the plunger body that plunger pull bar lower end reciprocatingly slides in pump barrel, is becket sealing between described plunger body and pump barrel.
- 5. according to claim 1 can drilling type sand pump, it is characterized in that: can also comprise the pump barrel lower contact that is arranged at pump barrel lower end by drilling type sand pump, pump barrel lower contact lower end is provided with standing valve assembly, and standing valve assembly comprises standing valve, and described standing valve is streamlined structure.
- 6. according to claim 1 can drilling type sand pump, it is characterized in that: described sand shovel shovels for plow-shape sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053392.2U CN205315218U (en) | 2016-01-20 | 2016-01-20 | Formula sand pump can creep into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053392.2U CN205315218U (en) | 2016-01-20 | 2016-01-20 | Formula sand pump can creep into |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315218U true CN205315218U (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620053392.2U Expired - Fee Related CN205315218U (en) | 2016-01-20 | 2016-01-20 | Formula sand pump can creep into |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676051A (en) * | 2016-08-02 | 2018-02-09 | 中国石油天然气股份有限公司 | Coal dust device and method are dragged in a kind of coal bed gas well annular space supercharging |
-
2016
- 2016-01-20 CN CN201620053392.2U patent/CN205315218U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676051A (en) * | 2016-08-02 | 2018-02-09 | 中国石油天然气股份有限公司 | Coal dust device and method are dragged in a kind of coal bed gas well annular space supercharging |
| CN107676051B (en) * | 2016-08-02 | 2020-02-14 | 中国石油天然气股份有限公司 | Coal bed gas well annular pressurizing coal powder fishing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20170120 |