CN107084123B - Fixed sand setting chamber Anti-sand oil pump - Google Patents
Fixed sand setting chamber Anti-sand oil pump Download PDFInfo
- Publication number
- CN107084123B CN107084123B CN201710501012.6A CN201710501012A CN107084123B CN 107084123 B CN107084123 B CN 107084123B CN 201710501012 A CN201710501012 A CN 201710501012A CN 107084123 B CN107084123 B CN 107084123B
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- Prior art keywords
- sand
- setting
- assembly
- fixed
- barrel
- 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.)
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- 239000004576 sand Substances 0.000 title claims abstract description 84
- 238000007789 sealing Methods 0.000 claims description 20
- 210000000078 claw Anatomy 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 7
- 239000003129 oil well Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention relates to a kind of oil well pumps, specially a kind of fixed sand setting chamber Anti-sand oil pump, including pump barrel assembly, assembly for plunger is set in pump barrel assembly, pump barrel assembly includes inner barrel and outer barrel, sand setting chamber is formed between inner barrel and outer barrel, assembly for plunger and the secondary cooperation of inner cylinder friction, are provided with fishing joint, pump barrel assembly includes the setting connector of lower end in assembly for plunger lower end, fixed valve assembly is provided in setting connector, fishing joint can be connect with fixed valve assembly.The present invention is provided with the fixed sand setting chamber of annular that can accommodate 10~20 heave sand outside pump barrel, 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, and it is even more impossible to 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 has 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 in 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 influenced with measures such as water injection work, fracture acidizings, causes sand production increasingly tight
Weight.
Currently, oil field at home sand control mainly consolidates sand technique using stratum, for entering the quicksand in oil well with fluid, not
There is effective solution method, uniquely relies 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, fixed valve plug plug and valve seat pierce 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
It pollutes and destroys, influence the oil production of oil well, increase production cost.
Invention content
The technical problem to be solved by the present invention is to：Current sand well pump detection and workover is frequent, and cost of winning is high, to solve
The above problem provides a kind of fixed sand setting chamber Anti-sand oil pump.
The purpose of the present invention is what 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 is total in pump barrel assembly
At sand setting chamber, assembly for plunger and the secondary cooperation of inner cylinder friction including inner barrel and outer barrel, is formed between inner barrel and outer barrel, in assembly for plunger
Lower end is provided with fishing joint, and pump barrel assembly includes the setting connector of lower end, and fixed valve assembly is provided in setting connector, salvages
Connector can be connect with fixed valve assembly；It is provided with automatic sealing device in setting connector；Setting connector includes setting ontology,
Through-hole in an axial direction is provided on setting ontology, automatic sealing device includes the compressed spring being arranged on setting ontology, setting
The slot coordinated with compressed spring is provided on ontology, the external part of compressed spring is connected with rack, and rack and pinion cover board is nibbled
It closes, gear cover plate is hinged on setting ontology；Fixed valve assembly top is equipped with T connector.
Gear cover plate includes gear end and cover board end, and gear end is hinged with setting ontology and is engaged with rack, cover board end knot
Structure coordinates with setting ontology inner via hole shape.
Assembly for plunger is sequentially connected by upward-traveling valves, long-plunger, lower travelling valve and fishing joint and is formed from top to bottom.
Outer barrel is sequentially connected and is formed by upper box cupling, storage sand tube, lower part box cupling and setting connector.
Inner cylinder includes sequentially connected short pump barrel and expansion link, and short pump barrel is sleeved on long-plunger assembly, expansion link lower end
It is connect with lower part box cupling, forms sand setting chamber between expansion link and storage sand tube.
Fishing joint is axially disposed to have through-hole, fishing joint upper end to be provided with screw thread, and the bottom of fishing joint is V words
Type, is provided with the groove with fixed valve T connector cooperation on bottom bevel, and the bottom connection of groove is arranged in fishing joint side wall
On inclined hole.
Be provided in the elastic lock claw of fixed valve assembly lower part 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 sealing.
Compared with the existing technology, the present invention is provided with the fixed sand setting of annular that can accommodate 10~20 heave sand outside pump barrel
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 is even more impossible to be accumulated in pump barrel oral area, but drop into the fixed sand setting intracavitary of annular, avoid sand bury, the hair of sand card column plug accident
Raw, the present invention has stronger sand-proof function, can effectively reduce operating frequency, extends pump detection period, be greatly lowered exploitation at
This.
Description of the drawings
State diagram when Fig. 1 is present invention work.
Fig. 2 is fixed valve assembly structural schematic diagram.
Fig. 3 is setting connector nature structural schematic diagram.
Fig. 4 is fishing joint structural schematic diagram.
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
Expansion link；8 be fixed sand setting chamber；9 be lower travelling valve；10 be fishing joint；11 be lower part box cupling；12 be fixed valve assembly；13
It is setting connector；14 be T connector；15 be standing valve cover；16 be fixing ball valve；17 be elastic lock claw；18 be setting ontology；19 are
Compressed spring；20 be gear cover plate；21 be rack.
Specific implementation mode
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, lower part box cupling 11,
The pump barrel assembly that expansion link 7, short pump barrel 5, setting connector 13 form；By T connector 14, standing valve cover 15, fixing ball valve 16, elasticity
About 17 lock claw is sequentially connected the fixation valve assembly of composition, and the fixed setting of valve assembly 12 is present in sealing joint 13.Specifically, it pumps
Cylinder assembly includes inner barrel and outer barrel, and sand setting chamber, assembly for plunger and the secondary cooperation of inner cylinder friction are formed between inner barrel and outer barrel.Outer barrel by
Upper box cupling 3, storage sand tube 6, lower part box cupling 11 and setting connector 13 are sequentially connected composition.
Inner cylinder includes the short pump barrel 5 being vertically connected with and expansion link 7, and is sleeved on inside storage sand tube 6 by lower part box cupling 11,
At this point, forming an annular fixation sand setting chamber 8, the fixation sand setting chamber 8 between 6 endoporus of 7 outer circle of pump barrel expansion link and storage sand tube
The volume space of 10~20 heave sand can be accommodated by having.
Lower 11 lower part of box cupling is connected through a screw thread setting connector 13, and setting connector 13 is tubular structure, setting ontology 18
Being internally provided with stepped hole and sealing cone and one can be set with the gear cover plate 20 of axial turning, 20 one end of gear cover plate
It is fixed on 18 side wall of setting ontology in respect of gear, and by axis pin, axially eccentric hole is also devised on 18 side wall of setting ontology,
The inside is equipped with compressed spring 19 and rack 21.
As shown in fig. 4-5, fishing joint 10 is axially disposed has through-hole, 10 upper end of fishing joint to be provided with screw thread, beat
The bottom for dragging for connector is V-shape, and the groove with fixed valve T connector cooperation, the bottom connection of groove are provided on bottom bevel
Inclined hole on fishing joint side wall is set, and two ends of inclined hole and groove are correspondingly arranged, axis of the groove along fishing joint
Arrangement, inclined hole are arranged symmetrically with the axis centre of fishing joint.12 top of fixed valve assembly is equipped with T connector 14, by colliding, revolving
Rotation is entered in groove and then is rotated and connect with inclined hole, is collided again, and T connector is automatic anti-under the action of inclined hole opposite force
Be detached from and enter in groove with inclined hole to rotation, and then disengaged with fishing joint, fixed valve assembly 12 can repeatedly with assembly for plunger
The fishing joint 10 of lower part is connected and is disengaged.
Be provided in the elastic lock claw 17 of fixed valve assembly lower part sealing cone and can radial contraction spring card, can be with
Step surface and sealing cone inside setting connector 13 contact to form locking and sealing.
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.This process
In, the setting connector in bottom 13 is in the raw（See Fig. 3）, compressed spring 19 push rack 21 move down, rack 21 is with moving teeth
Wheel rotation so that gear cover plate 20 is flipped up, with inside setting ontology 18 stepped hole and sealing cone be bonded, oil inlet
Channel is closed.Therefore, in lower Tubing During Running, kill-job operation need not be carried out.
Then, fixed valve assembly is suspended on by the T connector 14 of upper part in the fishing joint 10 of assembly for plunger lower part,
Transfer rod string so that after assembly for plunger downlink enters 13 inside of setting connector, the elastic lock claw of fixed valve assembly lower part
17 is open-top by the gear cover plate 20 inside setting connector 13 first, and gear cover plate 20 downwardly turns 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 continues traveling downwardly, fixed after being collided with setting connector 13
Sealing cone that valve assembly is arranged in elastic lock claw 17 and can be under the spring card effect of radial contraction, in setting connector 13
The step surface and sealing cone in portion contact to form locking and sealing.Meanwhile fishing joint 10 is detached from T connector 14 automatically.Above carry
Plunger sets dead space, you can starts normal oil pumping production.
When needing replacing new fixed valve, T connector 14 of the decentralization plunger up to fishing joint 10 and fixed valve assembly top
Assembly for plunger is rotated clockwise 90 degree by collision, and fishing joint 10 can be engaged with T connector 14 again, above carry assembly for plunger at this time,
Fixed valve assembly can be detached from deblocking from setting connector 13, and with assembly for plunger uplink, until acting replaced on ground.Work as snap lock
After pawl 17 exits inside setting connector 13, gear cover plate 20 follows the string the active force of lock claw 17, and compressed spring 19 is extended, pushed away
Carry-over bar 21 moves down, and rack 21 is rotated with moving gear so that gear cover plate 20 is overturn again up, inside setting ontology 18
Stepped hole and sealing cone fitting, oil inlet passage is closed.
As a result of long-plunger short pump barrel friction pair configuration, and outside pump barrel be provided with can accommodate 10~20 heave sand
The fixed sand setting chamber of annular, even if stopping taking out, sand grains sinks in oil pipe, can not enter in the secondary fit clearance of friction,
It is even more impossible to be accumulated in pump barrel oral area, but drop into the fixed sand setting intracavitary of annular, avoid sand bury, the hair of sand card column plug accident
It is raw.
When 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
Well liquid may be polluted and be destroyed caused by oil reservoir, reduce operating cost.
Since fixed 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, cannot be introduced into fixed valve, therefore will not be impacted to ball valve, is more not in
The generation of fixed valve blocking accident, reduces failure rate.
When the pump housing or ball valve because sand grains or foreign matter hinder, when operation irregularity occurs, as long as fixed valve deblocking is proposed pump barrel,
Positive clean-out service can be carried out, eliminate abnormal hidden danger.When necessary, also fixed valve can be proposed ground, the valve seat of thorn leakage is given
It replaces.
In conclusion the present invention has stronger sand-proof function, operating frequency can be effectively reduced, extends pump detection period, greatly
Amplitude reduction cost of winning.
The advantages and positive effects of the present invention are：
1. use the friction pair configuration of long-plunger short pump barrel, and it is provided with outside pump barrel and can accommodates 10~20 heave sand
The fixed sand setting chamber of annular, even if stopping taking out, sand grains sinks in oil pipe, can not enter in the secondary fit clearance of friction, more
Can not 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.
2. when 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
Well killing fluid may be polluted and be destroyed caused by oil reservoir, reduce operating cost.
3. since fixed 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, cannot be introduced into fixed valve, therefore will not be impacted to ball valve, will not more go out
The generation for now fixing valve blocking accident, reduces failure rate.
4. when the pump housing or ball valve are because of sand grains or foreign matter obstruction, when operation irregularity occurs, as long as will fixed valve deblocking proposition pump
Cylinder, you can carry out positive clean-out service, eliminate abnormal hidden danger.When necessary, also fixed valve can be proposed ground, the valve seat of thorn leakage is given
Give replacement.
In conclusion the present invention has stronger sand-proof function, operating frequency can be effectively reduced, extends pump detection period, greatly
Amplitude reduction cost of winning.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of not departing from general idea of the present invention, several changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (7)
1. fixing sand setting chamber Anti-sand oil pump, including pump barrel assembly, assembly for plunger is set in pump barrel assembly, feature exists
In：Pump barrel assembly includes inner barrel and outer barrel, and sand setting chamber, assembly for plunger and the secondary cooperation of inner cylinder friction are formed between inner barrel and outer barrel,
Assembly for plunger lower end is provided with fishing joint, pump barrel assembly includes the setting connector of lower end, and fixation is provided in setting connector
Valve assembly, fishing joint can be connect with fixed valve assembly；It is provided with automatic sealing device in setting connector；Setting connector includes
Setting ontology, is provided with through-hole in an axial direction on setting ontology, and automatic sealing device includes the pressure being arranged on setting ontology
Contracting spring, is provided with the slot coordinated with compressed spring on setting ontology, and the external part of compressed spring is connected with rack, rack with
Gear cover plate engages, and gear cover plate is hinged on setting ontology；Fixed valve assembly top is equipped with T connector.
2. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：Gear cover plate includes gear end
With cover board end, gear end is hinged with setting ontology and is engaged with rack, and cover board end structure coordinates with setting ontology inner via hole shape.
3. 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.
4. 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, lower part box cupling and setting connector are sequentially connected composition.
5. fixed sand setting chamber Anti-sand oil pump according to claim 4, it is characterised in that：Inner cylinder includes sequentially connected
Short pump barrel and expansion link, short pump barrel are sleeved on assembly for plunger, and expansion link lower end is connect with lower part box cupling, expansion link and storage sand tube
Between formed sand setting chamber.
6. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：Fishing joint is axially disposed
There are through-hole, fishing joint upper end to be provided with screw thread, the bottom of fishing joint is V-shape, is provided with and fixes on bottom bevel
The groove of valve T connector cooperation, the bottom of groove are connected to the inclined hole being arranged on fishing joint side wall.
7. fixed sand setting chamber Anti-sand oil pump according to claim 1, it is characterised in that：The bullet of fixed valve assembly lower part
Property lock claw on be provided with sealing cone and can radial contraction spring card, can be with the step surface and sealed taper inside setting connector
Face contacts to form 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 CN107084123A (en) | 2017-08-22 |
| CN107084123B true CN107084123B (en) | 2018-11-13 |
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| 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 |
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| CN (1) | CN107084123B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664027B (en) * | 2017-11-01 | 2024-05-24 | 克拉玛依胜利高原机械有限公司 | Injection-extraction two-channel oil extraction device and use method thereof |
| CN108756813B (en) * | 2018-06-28 | 2024-05-31 | 托普威尔石油技术股份公司 | Downhole safety valve opening tool |
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2225894C (en) * | 1997-12-24 | 2007-05-22 | 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 | Fixed valve fishing type oil well pump |
| CN2670628Y (en) * | 2003-12-06 | 2005-01-12 | 王清 | Multifunctional oil sucking pumps |
| CN101169113A (en) * | 2007-11-21 | 2008-04-30 | 国营第三八八厂 | Tube type gas-tight oil-well pump with salvaging standing valve |
| CN201187435Y (en) * | 2007-12-10 | 2009-01-28 | 王杰林 | Multifunctional sand deposition type oil well pump |
| CN201496019U (en) * | 2009-10-13 | 2010-06-02 | 大港油田集团有限责任公司 | Fixed valve salvage device of soft plunger piston oil extracting pump |
| CN102562542B (en) * | 2010-12-29 | 2015-09-02 | 中船重工中南装备有限责任公司 | Sand-preventing scale-preventing oil well pump with long plunger piston |
| CN201982282U (en) * | 2011-03-16 | 2011-09-21 | 天津市大港区龙新石油机械制造有限公司 | Fixed valve-salvageable type oil well pump |
| CN204805078U (en) * | 2015-06-23 | 2015-11-25 | 盐城鑫益特种抽油泵制造有限公司 | Long column stopper sand control card oil -well pump |
| 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 |
-
2017
- 2017-06-27 CN CN201710501012.6A patent/CN107084123B/en active Active
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| Publication number | Publication date |
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| CN107084123A (en) | 2017-08-22 |
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