CN206111503U - Invert drop -down oil -well pump - Google Patents
Invert drop -down oil -well pump Download PDFInfo
- Publication number
- CN206111503U CN206111503U CN201621184658.3U CN201621184658U CN206111503U CN 206111503 U CN206111503 U CN 206111503U CN 201621184658 U CN201621184658 U CN 201621184658U CN 206111503 U CN206111503 U CN 206111503U
- Authority
- CN
- China
- Prior art keywords
- feed liquor
- liquid valve
- tube
- drop
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to an invert drop -down oil -well pump, including going out liquid valve assembly, oil recovery system assembly and transmission seal system, going out liquid valve assembly and including tubing coupling, tubing coupling passes through the lower part female connection and goes out the liquid valve, goes out liquid valve bonnet lower part and passes through thread connection change lock joint hoop, oil recovery system assembly includes that it binds round to become the lock joint, connects feed liquor outer tube and screen pipe inside and outside the change lock joint hoop lower part respectively, screen pipe lower extreme connection coupling, and open on feed liquor outer tube upper portion has the feed liquor hole, sets up the feed liquor pipe in the feed liquor outer tube, and the feed liquor is managed the lower extreme connection and is gone up the pump barrel, upward sets up the plunger assembly in the pump barrel, the transmission seal system includes real stem stem stopper, and real stem stem is held beyond the great wall and is connected plunger assembly lower extreme, and real stem stem stopper lower extreme is connected the plunger and is connected. The utility model discloses turning into mechanical energy to the electric energy, lifting ground to fluid passage oil pipe post, improved the availability factor of electric energy, oil pipe wearing and tearing piercement phenomenon can not appear, the inlet is in the upper end, ignores gaseous influence to the system in the fluid.
Description
Technical field
With the matching used oil production equipment of linear electric motors when this utility model is related to a kind of oil extraction in oil field, and in particular to a kind of
It is inverted drop-down oil well pump.
Background technology
Oil extraction in oil field system includes the corollary equipments such as oil pumper, oil well pump, tubing string, polished rod, rod string.Operationally
Driven by power oil pumper, oil pumper drive the rod string being connected with polished rod, drive plunger to pump, liquid is lifted
To ground.During, when oil pumper changes into mechanical energy electric energy, efficiency is low, and loss is big, because sucker rod causes to take out with oil pipe eccentric wear
Beam hanger fracture, Tubing cause pump detection period short, and rod string elastic elongation shortens stroke, the low feelings of pumping efficiency of oil pump
Condition, causes cost for oil production to remain high.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of simple structure, improves electric energy
Service efficiency, lowers the drop-down oil well pump of inversion of cost for oil production.
The technical solution of the utility model is：
Drop-down oil well pump, including liquid valve assembly, oil extraction system assembly and transmission seal system are inverted, the liquid valve is total
Into including tubing coupling, tubing coupling bottom connects liquid valve top by female thread, and liquid valve includes liquid valve cover, liquid valve
Liquid valve ball, liquid valve seat and liquid valve plug are set in cover, and liquid valve cover bottom connects variable buckle box cupling by external screw thread；Recover the oil
System synthesis include connecting feed liquor outer tube and screen casing inside and outside variable buckle box cupling, variable buckle box cupling bottom respectively, screen casing lower end connection coupling,
Box cupling is enclosed within feed liquor outer tube, the lower box cupling of feed liquor outer tube lower end connection, and feed liquor outer tube top is provided with inlet opening, sets in feed liquor outer tube
Feed tube is put, connection upper pump barrel in feed tube lower end arranges assembly for plunger in upper pump barrel；Transmission seal system includes lower variable buckle box cupling
With lower pump barrel, lower variable buckle box cupling and lower pump barrel top connect the outer wall and inwall of lower box cupling, lower variable buckle box cupling lower inner wall respectively
Connection lower outer pipe, lower outer pipe lower end connected pipes box cupling arrange real stem stem plug in lower outer pipe, real core its upper end connection plunger is total
Into lower end, real stem stem plug lower end connects plunger connector.
The upper pump barrel bottom outer wall arranges upper centering ring.
The lower pump barrel bottom outer wall arranges lower centering ring, and lower outer pipe top is provided with venthole.
Cross section at the top of the feed tube is the circle after cutting two symmetrical arcuates, and feed tube top is provided with feed liquor
Mouthful.
Spiracle is provided with the lower outer pipe, spiracle is externally provided with Wire wound tube, and Wire wound tube lower end connects around plug, wrapping wire
Manage and be enclosed within lower outer pipe outer wall around plug.
The assembly for plunger include lower travelling valve joint, lower travelling valve cover, travelling valve ball, travelling valve seat, push rod, spring,
Plunger body, double male joints and upper traveling valve cage.
The feed liquor outer tube body has two symmetrical inlet openings, feed tube and feed liquor outer tube logical in feed liquor hole site
Cross and be welded to connect.
The real stem stem plug cooperatively forms rigid seal with lower pump barrel.
This utility model is supported the use with linear electric motors, and electric energy is converted into mechanical energy, and liquid is lifted by tubing string
To ground, the service efficiency of electric energy is improve, deleted the equipment such as oil pumper, polished rod eye, polished rod, rod string, be not in
Oil pipe abrasion thorn leakage phenomenon, inlet ignore impact of the gas to system in fluid in upper end.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the transverse cross-sectional view of feed tube.
1 tubing coupling, 2 liquid valve cover, 3 liquid valve ball, 4 liquid valve seat, 5 liquid valve plug, 6 variable buckle box cupling 7
Pump barrel on 11 box cupling of feed liquor outer tube 8 screen casing, 9 feed tube, 10 inlet, 12 upper exterior tube 13
14 lower travelling valve joint, 15 lower travelling valve cover, 16 travelling valve ball, 17 travelling valve seat, 18 push rod, 19 spring
25 times box cuplings of centering ring on 20 22 upper traveling valve cage of the male joint of plunger 21 pairs, 23 real stem stem plug 24
26 times variable buckle box cuplings, 27 times pump barrels, 28 lower outer pipe, 29 Wire wound tube, 30 venthole 31 is around plug
32 times 33 plunger connector of centering ring, 34 tubing couplings.
Specific embodiment
Drop-down oil well pump, including liquid valve assembly, oil extraction system assembly and transmission seal system are inverted, the liquid valve is total
Into including tubing coupling 1,1 bottom of tubing coupling connects liquid valve top by female thread, and liquid valve includes liquid valve cover 2, goes out
Liquid valve ball 3, liquid valve seat 4 and liquid valve plug 5 are set in liquid valve bonnet 2, and 2 bottom of liquid valve cover connects variable buckle by external screw thread
Box cupling 6；
Oil extraction system assembly includes variable buckle box cupling 6, and 6 bottom of variable buckle box cupling is inside and outside to connect feed liquor outer tube 7 and screen casing 8 respectively,
8 lower end connection coupling 11 of screen casing, box cupling 11 are enclosed within feed liquor outer tube 7, and the lower box cupling 25 of 7 lower end of feed liquor outer tube connection, feed tube 9 are pushed up
The cross section in portion is the circle after cutting two symmetrical arcuates, and 7 body of feed liquor outer tube has two symmetrical inlet openings, feed liquor
Pipe 9 and feed liquor outer tube 7 arrange feed tube 9, the connection of 9 lower end of feed tube in feed liquor hole site by being welded to connect in feed liquor outer tube 7
Upper pump barrel 13,13 bottom outer wall of upper pump barrel arrange upper centering ring 24, and 20 assembly of plunger, 20 assembly bag of plunger are arranged in upper pump barrel 13
Include lower travelling valve joint 14, lower travelling valve cover 15, travelling valve ball 16, travelling valve seat 17, push rod 18, spring 19,20 body of plunger, double
Male joint 21 and upper traveling valve cage 22.
Transmission seal system includes lower variable buckle box cupling 26 and lower pump barrel 27, lower variable buckle box cupling 26 and lower 27 top of pump barrel difference
The outer wall and inwall of the lower box cupling 25 of connection, 27 bottom outer wall of lower pump barrel arrange lower centering ring 32, lower 26 lower inner wall of variable buckle box cupling
Connection lower outer pipe 28, is provided with spiracle on lower outer pipe 28, spiracle is externally provided with Wire wound tube 29, and 29 lower end of Wire wound tube connects around plug
31, Wire wound tube 29 and it is enclosed within 28 outer wall of lower outer pipe around plug 31,28 lower end connected pipes box cupling 34 of lower outer pipe, lower outer pipe
Real stem stem plug 23 is set in 28, and 28 top of lower outer pipe is provided with venthole 30, and real 23 upper end of stem stem plug connects 20 assembly lower end of plunger,
Real stem stem plug 23 cooperatively forms rigid seal with lower pump barrel 27, and real 23 lower end of stem stem plug connects plunger connector 33, plunger connector 33
Lower end connects direct current generator mover.
During work, real 23 pull bar of stem stem plug of linear motor rotor connection drives 20 assembly of plunger descending, and travelling valve cuts out, and goes out
Liquid valve is opened, and liquid by 8 hole of screen casing, flows through inlet opening, feed tube 9 under head of liquid effect, in inflows pump barrel 13 up to
Mover is run to lower dead center；Linear motor rotor is up, and liquid valve is closed, and between upper pump barrel 13 and upper exterior tube 12, formation one is close
The low pressure chamber of envelope, fluid column overcome 19 elastic force of spring under pressure, open travelling valve, 13 inner plunger of upper pump barrel, 20 assembly top
Liquid is replaced by the cavity in 20 body of plunger to the pump barrel space of 20 assembly bottom of plunger, when linear motor rotor is up again
The partially liq is by the passage top between the circular passage between upper pump barrel 13 and upper exterior tube 12, and feed liquor outer tube 7 and feed tube 9
Liquid valve is opened, is inverted in the tubing string on drop-down oil well pump top by giving rise to, is then progressively lifted to ground.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than which is limited
System；Although being described in detail to this utility model with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still specific embodiment of the present utility model can be modified or equivalent is carried out to some technical characteristics and replace
Change；Without deviating from the spirit of technical solutions of the utility model, which all should cover the technical scheme being claimed in this utility model
In the middle of scope.
Claims (8)
1. drop-down oil well pump is inverted, it is characterised in that including liquid valve assembly, oil extraction system assembly and transmission seal system, institute
Stating liquid valve assembly includes tubing coupling, and tubing coupling bottom connects liquid valve top by female thread, and liquid valve includes liquid
Liquid valve ball, liquid valve seat and liquid valve plug are set in valve bonnet, liquid valve cover, and liquid valve cover bottom is become by external screw thread connection
Snapping hoop；Oil extraction system assembly includes variable buckle box cupling, and variable buckle box cupling bottom is inside and outside to connect feed liquor outer tube and screen casing respectively, under screen casing
End connection coupling, box cupling are enclosed within feed liquor outer tube, and the lower box cupling of feed liquor outer tube lower end connection, feed liquor outer tube top are provided with inlet opening,
Feed tube is set in feed liquor outer tube, and connection upper pump barrel in feed tube lower end arranges assembly for plunger in upper pump barrel；Transmission seal system bag
Include lower variable buckle box cupling and lower pump barrel, lower variable buckle box cupling and lower pump barrel top connect the outer wall and inwall of lower box cupling, lower variable buckle respectively
Box cupling lower inner wall connects, and real stem stem is beyond the Great Wall
End connection assembly for plunger lower end, real stem stem plug lower end connects plunger connector.
2. drop-down oil well pump is inverted according to claim 1, it is characterised in that the upper pump barrel bottom outer wall arranges upper righting
Ring.
3. drop-down oil well pump is inverted according to claim 1, it is characterised in that the lower pump barrel bottom outer wall arranges lower righting
Ring, lower outer pipe top are provided with venthole.
4. drop-down oil well pump is inverted according to claim 1, it is characterised in that the cross section at the top of the feed tube is to cut
Circle after two symmetrical arcuates, feed tube top is provided with inlet.
5. drop-down oil well pump is inverted according to claim 1, it is characterised in that spiracle is provided with the lower outer pipe, breathe
Hole is externally provided with Wire wound tube, and Wire wound tube lower end connects around plug, Wire wound tube and is enclosed within lower outer pipe outer wall around plug.
6. drop-down oil well pump is inverted according to claim 1, it is characterised in that the assembly for plunger includes that lower travelling valve connects
Head, lower travelling valve cover, travelling valve ball, travelling valve seat, push rod, spring, plunger body, double male joints and upper traveling valve cage.
7. drop-down oil well pump is inverted according to claim 1, it is characterised in that the feed liquor outer tube body has two symmetrical point
The inlet opening of cloth, feed tube and feed liquor outer tube are in feed liquor hole site by being welded to connect.
8. drop-down oil well pump is inverted according to claim 1, it is characterised in that the real stem stem plug is cooperatively formed with lower pump barrel
Rigid seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184658.3U CN206111503U (en) | 2016-10-28 | 2016-10-28 | Invert drop -down oil -well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184658.3U CN206111503U (en) | 2016-10-28 | 2016-10-28 | Invert drop -down oil -well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111503U true CN206111503U (en) | 2017-04-19 |
Family
ID=58525510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621184658.3U Expired - Fee Related CN206111503U (en) | 2016-10-28 | 2016-10-28 | Invert drop -down oil -well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640611A (en) * | 2016-10-28 | 2017-05-10 | 濮阳市科锐机械工程技术有限公司 | Inverted pull-down oil well pump |
-
2016
- 2016-10-28 CN CN201621184658.3U patent/CN206111503U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640611A (en) * | 2016-10-28 | 2017-05-10 | 濮阳市科锐机械工程技术有限公司 | Inverted pull-down oil well pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9004166B2 (en) | Down-hole gas separator | |
| CN106837276A (en) | A kind of jet pump steam note adopts one extracting device of oil and method | |
| CN203559878U (en) | Drainage gas production pump for gas well | |
| CN204311987U (en) | Slip type downhole buffer of tubing plug | |
| CN206111503U (en) | Invert drop -down oil -well pump | |
| CN202338261U (en) | Repeated oil pipe plug | |
| CN106640611A (en) | Inverted pull-down oil well pump | |
| CN203189250U (en) | Hollow rod oil well pump in well | |
| CN204163964U (en) | Ring valve type hydraulic feedback oil | |
| CN101162016B (en) | Yield highly effective oil-well pump for mechanical oil production | |
| CN103498785A (en) | Fire-driving oil-well pump | |
| CN203879719U (en) | Integrated gas injecting and oil extracting pump | |
| CN205858631U (en) | Hollow gas-tight oil recovery tool kit | |
| CN204024572U (en) | Pit shaft spraying prevention switch device and oil extraction pump assembly | |
| CN109424343B (en) | Wellhead and wellhead injection-accompanying method | |
| CN203516026U (en) | Bridge-crossing type inverted pull-down pump | |
| CN107313735B (en) | A kind of bumper jar for continuous pipe unfreezing | |
| CN204283336U (en) | A kind of laterally opened ball-and-seat | |
| CN206144502U (en) | Drag for sand instrument in pit | |
| CN101382051B (en) | Hollow stem water-mixed wellhead device | |
| CN205349677U (en) | Annular plunger float buret formula oil -well pump | |
| CN201144784Y (en) | Yield increasing high-efficiency oil-well pump for machinery oil extraction | |
| CN204082117U (en) | A kind of new-type waterpower swab | |
| CN203756135U (en) | Assistant pumping device for deep well | |
| CN203321791U (en) | Rod type oil-well pump with small pump diameter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170419 Termination date: 20191028 |