CN104074729A - Ultra-deep oil well oil pump - Google Patents
Ultra-deep oil well oil pump Download PDFInfo
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- CN104074729A CN104074729A CN201410340932.0A CN201410340932A CN104074729A CN 104074729 A CN104074729 A CN 104074729A CN 201410340932 A CN201410340932 A CN 201410340932A CN 104074729 A CN104074729 A CN 104074729A
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- valve
- oil
- plunger
- pump
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Abstract
The invention provides an ultra-deep oil well oil pump which comprises a pull rod, a sliding block, an upper joint, a valve cover, a closed valve cover, a floating valve ball, a floating valve seat, a plunger, a thick-wall pump cylinder, a first support pipe plug, an oil pipe, an oil pipe coupling, a lower joint, a pump cylinder valve cover, a fixed valve ball, a fixed valve seat, a second support pipe plug, an oil pipe lengthened coupling and an adapter connector. The pull rod is connected with a sucker rod of a pumping unit, the sliding block is connected with the upper joint, the upper joint is connected with the oil pipe, the oil pipe is disposed on the lowermost portion of the oil pump, the thick-wall pump cylinder is arranged on the upper portion of the oil pipe, and the valve cover, the closed valve cover, the floating valve ball, the floating valve seat, the plunger and the first support pipe plug are arranged above the thick-wall pump cylinder. The ultra-deep oil well oil pump is reliable in performance and strong in adaptability, meets the requirements for production and process design of deep wells and pump depth deepening oil wells, improves use reliability of the oil pump, and reduces oil pump faults and pump overhaul loss caused by the oil pump faults.
Description
Technical field
The present invention is specifically related to a kind of super dark oil-well pump of oil well.
Background technique
In the old block in some oil fields, because the oil well that liquid level is low, pump efficiency is low, yield poorly increases gradually, such oil well is easy to take out to come up oil, easily causes waste, and the degree of depth of traditional dark oil-well pump of oil well not enough, has caused serious waste.
Summary of the invention
The object of the invention is for solving above-mentioned deficiency, a kind of super dark oil-well pump of oil well is provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of super dark oil-well pump of oil well, comprises pull bar, slide block, upper connection, valve bonnet, closed cage, traveling valve valve ball, traveling valve valve seat, plunger, heavy wall pump barrel, the first bearing pipe close, oil pipe, tubing coupling, lower contact, pump barrel valve bonnet, standing valve valve ball, standing valve valve seat, the second bearing pipe close, oil pipe lengthens box cupling and variable buckle joint, and pull bar is connected with the sucker rod of pumping unit, slide block connection upper connection, upper connection connected pipes, oil pipe oil well pump below, heavy wall pump barrel above oil pipe, valve bonnet, closed cage, traveling valve valve ball, traveling valve valve seat, plunger, the first bearing pipe close is all above heavy wall pump barrel, valve bonnet connects closed cage, traveling valve valve ball is above closed cage, traveling valve valve seat connects closed cage, plunger connects traveling valve valve seat, the first bearing pipe close connects heavy wall pump barrel, tubing coupling connected pipes, lower contact connected pipes box cupling, pump barrel valve bonnet connects lower contact, and standing valve valve ball is above pump barrel valve bonnet, standing valve valve seat connects pump barrel valve bonnet, the second bearing pipe close is connected and fixed valve base, and oil pipe lengthens box cupling and connects pump barrel valve bonnet, variable buckle joint union tail.
The present invention also has some technical characteristicss like this:
Described plunger adopts two closed cage structures, and the two closed cages of plunger comprise open cage, plunger connector and internal thread plunger, and open cage connects plunger connector, and plunger connector connects internal thread plunger, and internal thread plunger connects closed cage.
Described heavy wall pump barrel adopts chromium plating hardening process to improve pump barrel intensity.
Described standing valve adopts double standing valve to improve reliability.
Described plunger adopts high hardness powder spray welding hardening process, design hardness >=62HRC, spray-welding coating thickness G reatT.GreaT.GT=0.28 mm.
The present invention has following useful effect:
Reliable performance of the present invention, strong adaptability, has met deep-well, has deepened the life of pump extension oil well
The requirement of product and technological design, raising oil well pump operational safety, minimizing oil well pump fault and the pump detection and workover being caused by oil well pump fault lose.
Brief description of the drawings
Fig. 1 is first half overall structure schematic diagram of the present invention;
Fig. 2 is latter half of overall structure schematic diagram of the present invention;
Fig. 3 is the two closed cage structural representations of plunger of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated:
embodiment 1
A kind of super dark oil-well pump of oil well, comprises pull bar 1, slide block 2, upper connection 3, valve bonnet 4, closed cage 5, traveling valve valve ball 6, traveling valve valve seat 7, plunger 8, heavy wall pump barrel 9, the first bearing pipe close 10, oil pipe 11, tubing coupling 12, lower contact 13, pump barrel valve bonnet 14, standing valve valve ball 15, standing valve valve seat 16, the second bearing pipe close 17, oil pipe lengthens box cupling 18 and variable buckle joint 19, it is characterized in that: pull bar 1 is connected with the sucker rod of pumping unit, and slide block 2 connects upper connection 3, upper connection 3 connected pipes 11, oil pipe 11 oil well pump below, heavy wall pump barrel 9 above oil pipe 11, valve bonnet 4, closed cage 5, traveling valve valve ball 6, traveling valve valve seat 7, plunger 8, the first bearing pipe close 10 is all above heavy wall pump barrel 9, valve bonnet 4 connects closed cage 5, traveling valve valve ball 6 is above closed cage 5, traveling valve valve seat 7 connects closed cage 5, plunger 8 connects traveling valve valve seat 7, the first bearing pipe close 10 connects heavy wall pump barrel 9, tubing coupling 12 connected pipes 11, lower contact 13 connected pipes box cuplings 12, pump barrel valve bonnet 14 connects lower contact 13, standing valve valve ball 15 is above pump barrel valve bonnet 14, and standing valve valve seat 16 connects pump barrel valve bonnet 14, the second bearing pipe closes 17 and is connected and fixed valve base 16, oil pipe lengthens box cupling 18 and connects pump barrel valve bonnet 14, variable buckle joint 19 union tails, described plunger 8 adopts two closed cage structures, and the two closed cages of plunger comprise open cage 20, plunger connector 21 and internal thread plunger 22, open cage 20 connects plunger connector 21, plunger connector 21 connects internal thread plunger 22, internal thread plunger 22 connects closed cage 5, described heavy wall pump barrel adopts chromium plating hardening process to improve pump barrel intensity, and described standing valve adopts double standing valve to improve reliability, and described plunger adopts high hardness powder spray welding hardening process, design hardness >=62HRC, spray-welding coating thickness G reatT.GreaT.GT=0.28 mm.
embodiment 2
Working procedure: when upstroke, thereby pumping unit drives pull bar to drive plunger to move upward,
Traveling valve valve ball, traveling valve valve seat are closed, and the liquid above plunger, by lifting, in this process, forms vacuum between traveling valve and standing valve valve ball, standing valve valve seat, and the liquid in tail pipe is pushed standing valve valve ball open and entered wherein, complete imbibition action.When down stroke, rod string pushing drawing rod moves down, and now standing valve valve ball is closed, and the valve ball that moves about is opened, and in pump barrel, liquid enters plunger upper part.
embodiment 3
In plunger open cage, do not fill valve ball, to reduce the fracture accident of plunger open cage, adopt two closed cage structures.Bottom at plunger connects 2 closed cages, or at 1 closed cage of the each connection in the top and the bottom of plunger, plunger open cage only plays liquid communication channeling, no longer bears the impact force of valve ball, has improved the force-bearing situation of plunger open cage.In the time that closed cage designs, ball chamber, flow path groove transition region are designed to circular arc or seamlessly transit as far as possible, concentrate to reduce stress; Dwindle the gap in valve ball and ball chamber, reduce the move swiftly amount of valve ball in ball chamber, thereby reduce the shock degree of valve ball to ball chamber.
Claims (5)
1. a super dark oil-well pump of oil well, comprises pull bar (1), slide block (2), upper connection (3), valve bonnet (4), closed cage (5), traveling valve valve ball (6), traveling valve valve seat (7), plunger (8), heavy wall pump barrel (9), the first bearing pipe close (10), oil pipe (11), tubing coupling (12), lower contact (13), pump barrel valve bonnet (14), standing valve valve ball (15), standing valve valve seat (16), the second bearing pipe close (17), oil pipe lengthens box cupling (18) and variable buckle joint (19), it is characterized in that: pull bar (1) is connected with the sucker rod of pumping unit, slide block (2) connects upper connection (3), upper connection (3) connected pipes (11), oil pipe (11) oil well pump below, heavy wall pump barrel (9) is in the top of oil pipe (11), valve bonnet (4), closed cage (5), traveling valve valve ball (6), traveling valve valve seat (7), plunger (8), the first bearing pipe close (10) is all in the top of heavy wall pump barrel (9), valve bonnet (4) connects closed cage (5), traveling valve valve ball (6) is in closed cage (5) top, traveling valve valve seat (7) connects closed cage (5), plunger (8) connects traveling valve valve seat (7), the first bearing pipe close (10) connects heavy wall pump barrel (9), tubing coupling (12) connected pipes (11), lower contact (13) connected pipes box cupling (12), pump barrel valve bonnet (14) connects lower contact (13), standing valve valve ball (15) is in pump barrel valve bonnet (14) top, standing valve valve seat (16) connects pump barrel valve bonnet (14), the second bearing pipe close (17) is connected and fixed valve base (16), and oil pipe lengthens box cupling (18) and connects pump barrel valve bonnet (14), variable buckle joint (19) union tail.
2. the super dark oil-well pump of oil well of one as claimed in claim 1, it is characterized in that: described plunger (8) adopts two closed cage structures, the two closed cages of plunger comprise open cage (20), plunger connector (21) and internal thread plunger (22), open cage (20) connects plunger connector (21), plunger connector (21) connects internal thread plunger (22), and internal thread plunger (22) connects closed cage (5).
3. the super dark oil-well pump of oil well of one as claimed in claim 1, is characterized in that: described heavy wall pump barrel adopts chromium plating hardening process to improve pump barrel intensity.
4. the super dark oil-well pump of oil well of one as claimed in claim 1, is characterized in that: described standing valve adopts double standing valve to improve reliability.
5. the super dark oil-well pump of oil well of one as claimed in claim 1 or 2, is characterized in that: described plunger adopts high hardness powder spray welding hardening process, design hardness >=62HRC, spray-welding coating thickness G reatT.GreaT.GT=0.28 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340932.0A CN104074729A (en) | 2014-07-17 | 2014-07-17 | Ultra-deep oil well oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340932.0A CN104074729A (en) | 2014-07-17 | 2014-07-17 | Ultra-deep oil well oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104074729A true CN104074729A (en) | 2014-10-01 |
Family
ID=51596260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410340932.0A Pending CN104074729A (en) | 2014-07-17 | 2014-07-17 | Ultra-deep oil well oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104074729A (en) |
-
2014
- 2014-07-17 CN CN201410340932.0A patent/CN104074729A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141001 |
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| WD01 | Invention patent application deemed withdrawn after publication |