CN107084123A - Fixed sand setting chamber Anti-sand oil pump - Google Patents
Fixed sand setting chamber Anti-sand oil pump Download PDFInfo
- Publication number
- CN107084123A CN107084123A CN201710501012.6A CN201710501012A CN107084123A CN 107084123 A CN107084123 A CN 107084123A CN 201710501012 A CN201710501012 A CN 201710501012A CN 107084123 A CN107084123 A CN 107084123A
- Authority
- CN
- China
- Prior art keywords
- sand
- setting
- assembly
- fixed
- joint
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Abstract
The present invention relates to a kind of oil well pump, specially a kind of fixed sand setting chamber Anti-sand oil pump, including pump barrel assembly, assembly for plunger is set with pump barrel assembly, pump barrel assembly includes inner cylinder and outer barrel, sand setting chamber is formed between inner cylinder and outer barrel, assembly for plunger coordinates with inner cylinder friction pair, fishing joint is provided with assembly for plunger lower end, pump barrel assembly includes the setting joint of lower end, fixed valve assembly is provided with setting joint, fishing joint can be connected with fixed valve assembly.The present invention is provided with outside pump barrel can accommodate the fixed sand setting chamber of annular of 10~20 heave sand, even if stopping taking out, sand grains sinks in oil pipe, can not enter pump barrel with the friction pair fit clearance of plunger formation, can not more be accumulated in pump barrel oral area, but drop into the fixed sand setting intracavitary of annular, avoid sand bury, the generation of sand card column plug accident, the present invention possess stronger sand-proof function, can effectively reduce operating frequency, extend pump detection period, cost of winning is greatly lowered.
Description
Technical field
The present invention relates to a kind of oil well pump, specially a kind of fixed sand setting chamber Anti-sand oil pump.
Background technology
The most of oil fields of China have been enter into development phase intermediary and later stages, with the continuous exploitation in oil field, many sandstone oil reservoirs because
Short texture and being adopted by force by long-term huge discharge is influenceed with the measure such as water injection work, fracture acidizing, causes sand production increasingly tight
Weight.
At present, oil field at home sand control is mainly using the solid sand technique in stratum, for the quicksand entered with fluid in oil well, not
There is effective solution, uniquely rely on fluid rising and reservoir sand is carried out into pit shaft, once stopping taking out, sand grains will sink in oil pipe
Product, causes sand to bury, sand card column plug, standing valve are blocked and valve seat pierces the accidents such as leakage so that oil well pump detection and workover is frequent, cost of winning
Significantly rise.
In addition, before pump detection and workover, frequently with well killing fluid kill-job, to prevent the generation of blowout, but well killing fluid can be to oil reservoir
Pollute and destroy, influence the oil production of oil well, increase production cost.
The content of the invention
The technical problem to be solved in the present invention is：Frequently, cost of winning is high for current sand well pump detection and workover, to solve
There is provided a kind of fixed sand setting chamber Anti-sand oil pump for above mentioned problem.
The purpose of the present invention is realized in the following manner：
Fixed sand setting chamber Anti-sand oil pump, including pump barrel assembly, are set with assembly for plunger, pump barrel assembly bag in pump barrel assembly
Inner cylinder and outer barrel are included, sand setting chamber is formed between inner cylinder and outer barrel, assembly for plunger coordinates with inner cylinder friction pair, in assembly for plunger lower end
Fishing joint is provided with, pump barrel assembly includes being provided with fixed valve assembly, fishing joint in the setting joint of lower end, setting joint
It can be connected with fixed valve assembly.
Automatic sealing device is provided with setting joint.
Setting joint includes setting body, through hole vertically is provided with setting body, automatic sealing device includes
The slotted eye for being provided with the compression spring on setting body, setting body and coordinating with compression spring is arranged on, compression spring is stretched
Go out end and be connected with rack, rack and pinion cover plate engagement, gear cover plate is hinged on setting body.
Gear cover plate includes gear end and cover plate end, and gear end is hinged with setting body and engaged with rack, cover plate end knot
Structure and setting body inner via hole form fit.
Assembly for plunger is sequentially connected and constituted from top to bottom by upward-traveling valves, long-plunger, lower travelling valve and fishing joint.
Outer barrel is sequentially connected and constituted by upper box cupling, storage sand tube, bottom box cupling and setting joint.
Inner cylinder includes the short pump barrel being sequentially connected and lengthens cylinder, and short pump barrel is sleeved on long-plunger assembly, lengthens cylinder lower end
It is connected with bottom box cupling, lengthens and sand setting chamber is formed between cylinder and storage sand tube.
Fixed valve assembly top is provided with T connector.
Fishing joint is axially disposed through hole, and fishing joint upper end is provided with screw thread, and the bottom of fishing joint is V words
Type, is provided with the groove coordinated with standing valve T connector on bottom bevel, and the bottom connection of groove is arranged on fishing joint side wall
On inclined hole.
Be provided with the elastic lock claw of fixed valve assembly bottom sealing cone and can radial contraction spring card, can be with seat
Step surface and sealing cone inside sealing joint contact to form locking and seal.
Relative to prior art, the present invention is provided with outside pump barrel can accommodate the fixed sand setting of annular of 10~20 heave sand
Chamber, even if stopping taking out, sand grains sinks in oil pipe, can not enter in the friction pair fit clearance that pump barrel is formed with plunger,
It can not more be accumulated in pump barrel oral area, but drop into the fixed sand setting intracavitary of annular, it is to avoid sand is buried, the hair of sand card column plug accident
Raw, the present invention possesses stronger sand-proof function, can effectively reduce operating frequency, extends pump detection period, is greatly lowered and exploits into
This.
Brief description of the drawings
State diagram when Fig. 1 is present invention work.
Fig. 2 is standing valve assembly structure schematic diagram.
Fig. 3 is setting joint nature structural representation.
Fig. 4 is fishing joint structural representation.
Fig. 5 is Fig. 4 A-A sectional views.
Wherein, 1 is oil pipe；2 be upward-traveling valves；3 be upper box cupling；4 be long-plunger；5 be short pump barrel；6 be storage sand tube；7 are
Lengthen cylinder；8 be fixed sand setting chamber；9 be lower travelling valve；10 be fishing joint；11 be bottom box cupling；12 be fixed valve assembly；13
It is setting joint；14 be T connector；15 be standing valve cover；16 be fixing ball valve；17 be elastic lock claw；18 be setting body；19 are
Compression spring；20 be gear cover plate；21 be rack.
Embodiment
As Figure 1-Figure 5, a kind of fixed sand setting chamber Anti-sand oil pump, including by upward-traveling valves 2, long-plunger 4, downstream
Dynamic valve 9, fishing joint 10 are sequentially connected the assembly for plunger of composition from top to bottom；By upper box cupling 3, storage sand tube 6, bottom box cupling 11,
Lengthen the pump barrel assembly that cylinder 7, short pump barrel 5, setting joint 13 are constituted；By T connector 14, standing valve cover 15, fixing ball valve 16, elasticity
Lock claw is sequentially connected the fixation valve assembly of composition about 17, fixed valve assembly 12 is arranged in setting joint 13.Specifically, pump
Cylinder assembly includes inner cylinder and outer barrel, and sand setting chamber is formed between inner cylinder and outer barrel, and assembly for plunger coordinates with inner cylinder friction pair.Outer barrel by
Upper box cupling 3, storage sand tube 6, bottom box cupling 11 and setting joint 13 are sequentially connected composition.
Inner cylinder includes the short pump barrel 5 being vertically connected with lengthening cylinder 7, and is sleeved on by bottom box cupling 11 inside storage sand tube 6,
Now, pump barrel forms an annular fixation sand setting chamber 8, the fixation sand setting chamber 8 between lengthening the cylindrical endoporus with storage sand tube 6 of cylinder 7
Possesses the volume space that can accommodate 10~20 heave sand.
The lower bottom of box cupling 11 is connected through a screw thread setting joint 13, and setting joint 13 is tubular structure, its setting body 18
Stepped hole and sealing cone are internally provided with, and one can be set with the gear cover plate 20 of axial turning, the one end of gear cover plate 20
It is fixed in respect of gear, and by bearing pin on the setting side wall of body 18, axially eccentric hole is also devised with the setting side wall of body 18,
The inside is equipped with compression spring 19 and rack 21.
As shown in fig. 4-5, fishing joint 10 is axially disposed through hole, and the upper end of fishing joint 10 is provided with screw thread, beaten
The bottom for dragging for joint is V-shape, and the groove coordinated with standing valve T connector, the bottom connection of groove are provided with bottom bevel
It is arranged on the inclined hole on the wall of fishing joint side, two ends of inclined hole and groove are correspondingly arranged, axis of the groove along fishing joint
Arrangement, inclined hole is arranged symmetrically with the axis centre of fishing joint.The fixed top of valve assembly 12 is provided with T connector 14, passes through collision, rotation
Rotation is entered in groove and then rotated and is connected with inclined hole, is collided again, and T connector is automatic anti-in the presence of inclined hole opposite force
Depart to rotation with inclined hole and enter in groove, and then disengaged with fishing joint, fixed valve assembly 12 can repeatedly with assembly for plunger
The fishing joint 10 of bottom is connected and disengaged.
Be provided with the elastic lock claw 17 of fixed valve assembly bottom sealing cone and can radial contraction spring card, can be with
Step surface and sealing cone inside setting joint 13 contact to form locking and seal.
Its operation principle is：
Fixed sand setting chamber Anti-sand oil pump pump barrel assembly is connected with oil pipe 1, pump is lowered into and hangs projected depth.During this,
The setting joint 13 in bottom is in the raw（See Fig. 3）, compression spring 19 promote rack 21 move down, rack 21 with moving gear revolve
Turn, so that gear cover plate 20 is flipped up, fitted with the stepped hole and sealing cone inside setting body 18, oil inlet passage
It is closed.Therefore, in lower Tubing During Running, it is not necessary to carry out kill-job operation.
Then, fixed valve assembly is suspended in the fishing joint 10 of assembly for plunger bottom by the T connector 14 on its top,
Transfer rod string so that assembly for plunger is descending to be entered behind the setting inside of joint 13, the elastic lock claw of fixed valve assembly bottom
17 first open the top of gear cover plate 20 inside setting joint 13, and gear cover plate 20 is downwardly turned over, and oil inlet passage is opened, gear rotation
Turn band carry-over bar 21 to move upwards, spring 19 is compressed.Fixed valve assembly is continued traveling downwardly, and with the setting collision rift of joint 13, is fixed
Sealing cone that valve assembly is set in elastic lock claw 17 and can be under the spring card effect of radial contraction, in setting joint 13
The step surface and sealing cone in portion contact to form locking and seal.Meanwhile, fishing joint 10 departs from T connector 14 automatically.Above carry
Plunger sets dead space, you can start normal oil pumping production.
When needing more to renew standing valve, decentralization plunger is until fishing joint 10 and the T connector 14 on fixed valve assembly top
Collision, assembly for plunger dextrorotation is turn 90 degrees, and fishing joint 10 can be engaged with T connector 14 again, now above carry assembly for plunger,
Fixed valve assembly can depart from deblocking from setting joint 13, and up with assembly for plunger, until acting replaced on ground.Work as snap lock
After pawl 17 is exited inside setting joint 13, gear cover plate 20 follows the string the active force of lock claw 17, and compression spring 19 extends, pushed away
Carry-over bar 21 is moved down, and rack 21 is rotated with moving gear so that gear cover plate 20 is overturn again up, inside setting body 18
Stepped hole and sealing cone laminating, oil inlet passage is closed.
As a result of the friction pair configuration of long-plunger short pump barrel, and there is provided 10~20 heave sand can be accommodated outside pump barrel
The fixed sand setting chamber of annular, even if stopping taking out, sand grains sinks in oil pipe, in the fit clearance that can not enter friction pair,
It can not more be accumulated in pump barrel oral area, but drop into the fixed sand setting intracavitary of annular, it is to avoid sand is buried, the hair of sand card column plug accident
It is raw.
During due to lower oil tube, oil inlet passage is in closed state, therefore, there is no need to carry out kill-job operation, eliminates pressure
Pollution and destruction that well liquid may be caused to oil reservoir, reduce operating cost.
Because standing valve is to be lowered into set position in the operation later stage, before this, oil inlet passage is in closed state, oil
Sand grains in well is stopped by gear cover plate, it is impossible to enter in standing valve, therefore ball valve will not be impacted, and is more not in
The generation of standing valve blocking accident, reduces fault rate.
When the pump housing or ball valve are because of sand grains or foreign matter obstruction, when occurring operation irregularity, pump barrel is proposed as long as standing valve is unsealed,
Positive clean-out service can be carried out, abnormal hidden danger is eliminated.If necessary, also standing valve can be proposed ground, the valve seat of thorn leakage is given
Change.
In summary, the present invention possesses stronger sand-proof function, can effectively reduce operating frequency, extends pump detection period, greatly
Amplitude reduction cost of winning.
Advantages and positive effects of the present invention are：
1. the friction pair configuration of long-plunger short pump barrel is employed, and there is provided the annulars of 10~20 heave sand can be accommodated outside pump barrel
Fixed sand setting chamber, even if stopping taking out, sand grains sinks in oil pipe, in the fit clearance that can not enter friction pair, more can not
In the accumulation of pump barrel oral area, but drop into the fixed sand setting intracavitary of annular, it is to avoid sand is buried, the generation of sand card column plug accident.
2. during due to lower oil tube, oil inlet passage is in closed state, it therefore, there is no need to carry out kill-job operation, eliminate
Pollution and destruction that well killing fluid may be caused to oil reservoir, reduce operating cost.
3. because standing valve is to be lowered into set position in the operation later stage, before this, oil inlet passage is in closed state,
Sand grains in oil well is stopped by gear cover plate, it is impossible to enter in standing valve, therefore ball valve will not be impacted, and will not more go out
The generation of existing standing valve blocking accident, reduces fault rate.
4. when the pump housing or ball valve are because of sand grains or foreign matter obstruction, when occurring operation irregularity, as long as standing valve deblocking is proposed into pump
Cylinder, you can carry out positive clean-out service, eliminates abnormal hidden danger.If necessary, also standing valve can be proposed ground, the valve seat of thorn leakage is given
Give replacing.
In summary, the present invention possesses stronger sand-proof function, can effectively reduce operating frequency, extends pump detection period, greatly
Amplitude reduction cost of winning.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (10)
1. sand setting chamber Anti-sand oil pump is fixed, including pump barrel assembly, assembly for plunger is set with pump barrel assembly, its feature exists
In：Pump barrel assembly includes inner cylinder and outer barrel, and sand setting chamber is formed between inner cylinder and outer barrel, and assembly for plunger coordinates with inner cylinder friction pair,
Fishing joint is provided with assembly for plunger lower end, pump barrel assembly includes being provided with fixation in the setting joint of lower end, setting joint
Valve assembly, fishing joint can be connected with fixed valve assembly.
2. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：It is provided with setting joint certainly
Dynamic sealing device.
3. fixed sand setting chamber Anti-sand oil pump according to claim 2, it is characterised in that：Setting joint includes setting
Body, is provided with through hole vertically on setting body, and automatic sealing device includes the compression spring being arranged on setting body,
The slotted eye coordinated with compression spring is provided with setting body, the external part of compression spring is connected with rack, rack and pinion lid
Plate is engaged, and gear cover plate is hinged on setting body.
4. fixed sand setting chamber Anti-sand oil pump according to claim 3, it is characterised in that：Gear cover plate includes gear end
With cover plate end, gear end is hinged with setting body and engaged with rack, cover plate end structure and setting body inner via hole form fit.
5. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：Assembly for plunger is by upper travelling
Valve, long-plunger, lower travelling valve and fishing joint are sequentially connected composition from top to bottom.
6. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：Outer barrel is by upper box cupling, storage sand
Pipe, bottom box cupling and setting joint are sequentially connected composition.
7. fixed sand setting chamber Anti-sand oil pump according to claim 6, it is characterised in that：Inner cylinder includes what is be sequentially connected
Short pump barrel and lengthening cylinder, short pump barrel are sleeved on long-plunger assembly, are lengthened cylinder lower end and are connected with bottom box cupling, lengthen cylinder and storage sand
Sand setting chamber is formed between pipe.
8. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：Fixed valve assembly top is provided with
T connector.
9. fixed sand setting chamber Anti-sand oil pump according to claim 8, it is characterised in that：Fishing joint is axially disposed
There is through hole, fishing joint upper end is provided with screw thread, and the bottom of fishing joint is V-shape, is provided with bottom bevel with fixing
The groove that valve T connector coordinates, the bottom connection of groove is arranged on the inclined hole on the wall of fishing joint side.
10. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：Fixed valve assembly bottom
Be provided with elastic lock claw sealing cone and can radial contraction spring card, can be with the step surface inside setting joint and sealing
Taper-face contact formation locking and sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501012.6A CN107084123B (en) | 2017-06-27 | 2017-06-27 | Fixed sand setting chamber Anti-sand oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501012.6A CN107084123B (en) | 2017-06-27 | 2017-06-27 | Fixed sand setting chamber Anti-sand oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107084123A true CN107084123A (en) | 2017-08-22 |
| CN107084123B CN107084123B (en) | 2018-11-13 |
Family
ID=59607074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710501012.6A Active CN107084123B (en) | 2017-06-27 | 2017-06-27 | Fixed sand setting chamber Anti-sand oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107084123B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664027A (en) * | 2017-11-01 | 2018-02-06 | 克拉玛依胜利高原机械有限公司 | Note takes out two passage extracting device of oil and application method |
| CN108756813A (en) * | 2018-06-28 | 2018-11-06 | 托普威尔石油技术股份公司 | A kind of storm valve opening tool |
| CN110617202A (en) * | 2019-10-12 | 2019-12-27 | 克拉玛依胜利高原机械有限公司 | Bridge type injection and suction sand-proof pump |
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| CN206903845U (en) * | 2017-06-27 | 2018-01-19 | 河南福侨石油装备有限公司 | Fixed sand setting chamber Anti-sand oil pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2225894A1 (en) * | 1997-12-24 | 1999-06-24 | Carl Clintberg | Improved sucker rod guide bearing |
| CN2611629Y (en) * | 2003-03-19 | 2004-04-14 | 中国石油天然气股份有限公司 | Standing valve salvagable oil-well pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108756813A (en) * | 2018-06-28 | 2018-11-06 | 托普威尔石油技术股份公司 | A kind of storm valve opening tool |
| CN110617202A (en) * | 2019-10-12 | 2019-12-27 | 克拉玛依胜利高原机械有限公司 | Bridge type injection and suction sand-proof pump |
| CN110617202B (en) * | 2019-10-12 | 2021-12-07 | 克拉玛依胜利高原机械有限公司 | Bridge type injection and suction sand-proof pump |
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| Publication number | Publication date |
|---|---|
| CN107084123B (en) | 2018-11-13 |
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