CN109630386A - A kind of position control component and plunger - Google Patents
A kind of position control component and plunger Download PDFInfo
- Publication number
- CN109630386A CN109630386A CN201910145741.1A CN201910145741A CN109630386A CN 109630386 A CN109630386 A CN 109630386A CN 201910145741 A CN201910145741 A CN 201910145741A CN 109630386 A CN109630386 A CN 109630386A
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- CN
- China
- Prior art keywords
- plunger
- position control
- control component
- statement
- clamping head
- 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.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims abstract description 62
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 241000521257 Hydrops Species 0.000 description 5
- 206010030113 Oedema Diseases 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002343 natural gas well Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 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
- F04B47/12—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having free plunger lifting the fluid to the surface
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
-
- 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
- F04B53/02—Packing the free space between cylinders and pistons
-
- 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
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
Abstract
The present invention relates to natural gas and technical field of petroleum extraction, a kind of position control component and plunger are disclosed.When plunger provided in an embodiment of the present invention needs downlink, position control component moves to retracted position from expanded position, so that packing piece is radially-inwardly contracted to inner position, the maximum outside diameter of plunger is less than the internal diameter of oil/gas well hoistway at this time, eliminate the friction of packing piece and hoistway inner wall, and the space passed through for fluid is formd between plunger and hoistway inner wall, and then greatly reduces the friction in down stroke of plunger.In addition, being capable of forming the through-flow space passed through for fluid between adjacent fin since position control component is by the radial position of position control surface on fin control packing piece.When plunger allows fluid from core pipe during downlink, the presence in through-flow space can increase the circulation area of core pipe and enable plunger to come downwards to shaft bottom faster to reduce the friction in down stroke of plunger to a greater extent.
Description
Technical field
The present invention relates to natural gas and technical field of petroleum extraction more particularly to a kind of position control components and plunger.
Background technique
In oil/gas well, the hydrops in shaft bottom is discharged in problem, it will usually use plunger.Plunger has multiple envelopes circumferentially
Partition, these packing pieces are close to the hoistway inner wall of oil/gas well under the action of the elastic member, form sealing.Under the state of driving a well, column
It goes beyond the Great Wall and lifts the hydrops being positioned above upwards, to be expelled to outside oil/gas well.Under closing well state, plunger comes downwards to well
Bottom.And so on, the continuous lifting to shaft bottom hydrops is realized.The one of traditional plunger is big, and problem is, in packing piece and hoistway
Under the action of the frictional force of wall and the upward thrust of fluid below plunger, the resistance that plunger is fallen after rise downwards is very big, therefore must
Palpus closing well is with the pressure above and below balance plunger, to ensure that plunger can come downwards to shaft bottom.But under closing well state oil/gas well without
Method production, this greatly reduces the production efficiency of oil/gas well.
Summary of the invention
The first purpose of this invention is to provide a kind of position control component, can radial position to packing piece into
Row is controlled and is allowed fluid from, and is to facilitate plunger fast downlink to return to shaft bottom when it applies to plunger.
Second object of the present invention is to provide a kind of obstruction have above-mentioned position control component.
The embodiment of the present invention is achieved through the following technical solutions:
A kind of position control component, comprising: columnar ontology, ontology have opposite first end and second end；And it is more
It is a to be set to body peripheral face, and surround the spaced apart fin of ontology；Wherein, it is formed between adjacent fin and is passed through for fluid
Through-flow space, fin has position control surface, and along the direction of second end to first end, position control surface moves closer to this
Body.
Further, control surface is connected close to the end of first end and the outer peripheral surface of ontology.
Further, accommodating groove is offered on ontology, accommodating groove is between fin and first end；Surface is controlled close to the
The end of one end and the medial surface of accommodating groove connect.
Further, also there is fin position to maintain surface, and position maintains surface parallel with the axis of ontology, and position maintains
Surface is connect with control surface close to the end of second end.
Further, offered on ontology along its axially through through hole.
A kind of plunger, comprising: core pipe；It is arranged around core pipe, and is configured to the multiple packing pieces radially reciprocated,
Packing on piece is provided with interior butting section；Packing piece is acted on, and is configured to apply radially outer elastic force to packing piece
First dynamic clamping head and quiet clamping head；Radially mobilizable STATEMENT OF FEDERALLY SPONSORED through core pipe is provided in STATEMENT OF FEDERALLY SPONSORED in being radially positioned and supports
Outer butting section on the outside of relying part；Any one of the above position control component, control unit are set in core pipe；With position control section
Part connection, and it is configured to the driving machine for driving position control component to move between retracted position and expanded position along axial direction
Structure；The second dynamic clamping head and quiet clamping head of STATEMENT OF FEDERALLY SPONSORED is acted on, the second dynamic clamping head and quiet clamping head is configured to apply STATEMENT OF FEDERALLY SPONSORED radially inward
Elastic force, during so that position control component moves between retracted position and expanded position, STATEMENT OF FEDERALLY SPONSORED is resisted against position
Control surface；Wherein, during position control unit moves to retracted position from expanded position, the second dynamic clamping head and quiet clamping head band
Dynamic STATEMENT OF FEDERALLY SPONSORED radial inward movement, outer butting section and interior butting section against and drive packing piece radial inward movement；It is controlled in position
During component processed moves to expanded position from retracted position, position control section drive STATEMENT OF FEDERALLY SPONSORED radial outward movement, first
Dynamic clamping head and quiet clamping head makes to insulate the trend that piece has radial outward movement.
Further, STATEMENT OF FEDERALLY SPONSORED includes interlocking bar and spin；Interlocking bar runs through core pipe；Spin is rotatably set to linkage
The radially inward one end of bar, spin, which is configured to roll with position control surface, to be cooperated；Outer butting section is set to interlocking bar radial direction
Outside one end.
Further, the radially inward one end of interlocking bar offers receiving hole, and spin part is located in receiving hole, receiving hole
Edge be provided with interior protuberance；Interior protuberance is configured to that spin is prevented to be detached from receiving hole.
Further, packing on piece offers the through-hole extended in a radial direction；Through-hole close to one end of core pipe it is radial to
It is projecting inward to form cricoid interior butting section；The radially outer one end of STATEMENT OF FEDERALLY SPONSORED projects radially outward to form cricoid outer butting section.
Further, interior butting section is greater than STATEMENT OF FEDERALLY SPONSORED maximum fortune in the radial direction at a distance from the one end of through-hole far from core pipe
Dynamic distance.
Technical solution of the present invention is at least had the following advantages and beneficial effects:
When plunger provided in an embodiment of the present invention needs downlink, position control component moves to punctured bit from expanded position
It sets.During position control component moves to retracted position from expanded position, the second dynamic clamping head and quiet clamping head drives STATEMENT OF FEDERALLY SPONSORED radial
Inwardly movement, outer butting section and interior butting section against and drive packing piece radial inward movement.In this way, to insulate piece it is radial to
For contract to inner position, the maximum outside diameter of plunger is less than the internal diameter of oil/gas well hoistway at this time, eliminates packing piece and hoistway
The friction of inner wall, and the space passed through for fluid is formd between plunger and hoistway inner wall, and then greatly reduce plunger
Friction in down stroke, enable plunger to come downwards to shaft bottom in the state of responding curve of well.In addition, since position control component passes through fin
The radial position of the position control surface control packing piece of on piece, therefore be capable of forming between adjacent fin and to pass through for fluid
Through-flow space.When plunger allows fluid from core pipe during downlink, the presence in through-flow space can increase the stream of core pipe
Logical area enables plunger to come downwards to shaft bottom faster to reduce the friction in down stroke of plunger to a greater extent.
When plunger provided in an embodiment of the present invention needs uplink, position control component moves to expansion position from retracted position
It sets.During in position, control unit moves to expanded position from retracted position, position control section drive STATEMENT OF FEDERALLY SPONSORED radial to
Outer movement, the first dynamic clamping head and quiet clamping head make to insulate the trend that piece has radial outward movement.In this way, can ensure that packing piece can be
It is in close contact under the action of first dynamic clamping head and quiet clamping head with hoistway inner wall, forms sealing.The effect of plunger Fluid pressure thereunder
Lower uplink.
Detailed description of the invention
For the clearer technical solution for illustrating the embodiment of the present invention, below to needing attached drawing to be used to make in embodiment
It is simple to introduce.It should be appreciated that the following drawings illustrates only certain embodiments of the invention, it is not construed as to model of the present invention
The limitation enclosed.To those skilled in the art, without creative efforts, it can obtain according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of the section structure of plunger provided in an embodiment of the present invention, and wherein position control component, which is located at, shrinks
Position；
Fig. 2 is the schematic diagram of the section structure of plunger provided in an embodiment of the present invention, and wherein position control component is located at expansion
Position；
Fig. 3 is the structural schematic diagram of position control component in plunger provided in an embodiment of the present invention；
Fig. 4 is enlarged drawing at the A of Fig. 1.
In figure: 010- plunger；110- core pipe；111- through hole；Locating slot in 112-；113- linkage hole；It is positioned outside 113a-
Portion；120- insulates piece；121- threaded hole；The outer locating slot of 122-；Butting section in 123-；124- through-hole；The first elastic reset of 130-
Part；140- STATEMENT OF FEDERALLY SPONSORED；The outer butting section 141-；Positioning region in 142-；143- interlocking bar；143a- receiving hole；144- spin；150-
Position control component；151- ontology；151a- first end；151b- second end；151c- accommodating groove；151d- through hole；152- fin
Piece；152a- position control surface；The position 152b- maintains surface；153- is through-flow space；160- driving mechanism；The upper end 160a-；
The lower end 160b-；The second dynamic clamping head and quiet clamping head of 170-；180- upper plug head；The upper through flow hole of 180a-；190- lower end cap；Lead under 190a-
Discharge orifice；191- insulates disk；210- guide part.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing, to the present invention
Technical solution in embodiment carries out clear, complete description.Obviously, described embodiment is that a part of the invention is implemented
Example, instead of all the embodiments.
Therefore, the model of claimed invention is not intended to limit to the detailed description of the embodiment of the present invention below
It encloses, but is merely representative of section Example of the invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature and technology in embodiment and embodiment in the present invention
Scheme can be combined with each other.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, or
Person is the orientation or positional relationship that those skilled in the art usually understand, this kind of term is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.
In description of the invention, " oil/gas well " can refer to oil well, can also refer to the natural gas well.When " oil/gas well " is natural
When gas well, the natural gas well for acquiring conventional gas can be, be also possible to for acquiring Unconventional gas (shale
Gas, coal bed gas etc.) the natural gas well.
Embodiment 1:
Referring to Fig.1 and 2, the present embodiment provides a kind of plungers 010.Plunger 010 include core pipe 110, packing piece 120,
First dynamic clamping head and quiet clamping head 130, STATEMENT OF FEDERALLY SPONSORED 140, position control component 150, driving mechanism 160, the second dynamic clamping head and quiet clamping head 170, on
Plug 180 and lower end cap 190.
Core pipe 110 is round pipe fitting, and upper plug head 180 and lower end cap 190 are also round tubular.Upper plug head 180 and lower end cap
190 are threadedly coupled with the upper and lower ends of core pipe 110 respectively.The periphery of upper plug head 180 offers the inside of multiple connection core pipes 110
The upper through flow hole 180a in space.The periphery of lower end cap 190 offers the lower through flow hole of the inner space of multiple connection core pipes 110
190a.Fluid can be entered in core pipe 110 by lower through flow hole 190a, and be flowed out to outside core pipe 110 by upper through flow hole 180a.
When hoistway downlink of the plunger 010 along oil/gas well, the fluid of 010 lower section of plunger is entered in core pipe 110 by lower through flow hole 190a,
Then it is flowed out to outside core pipe 110 by upper through flow hole 180a and reaches 010 top of plunger.In such manner, it is possible to substantially reduce under plunger 010
Resistance when row.However when 010 uplink of plunger, the fluid that above structure will lead to 010 top of plunger is leaked under plunger 010
Side, influences lifting efficiency.For this purpose, being provided with packing disk 191 in lower end cap 190.Insulating disk 191 can be in lower end cap 190
Axially movable, and insulate disk 191 with the inner peripheral surface of lower end cap 190 is substantially sealed off contacts.When packing disk 191 moves to lower lead to
When the top of discharge orifice 190a (as shown in Figure 2), packing disk 191 blocks the connection between lower through flow hole 190a and core pipe 110.When
When packing disk 191 moves to the lower section of lower through flow hole 190a (as shown in Figure 1), lower through flow hole 190a is connected to again with core pipe 110.
When 010 uplink of plunger, packing disk 191 moves to the top of lower through flow hole 190a, can prevent the stream of 010 top of plunger in this way
Body leaks to 010 lower section of plunger, avoids the reduction of lifting efficiency.When 010 downlink of plunger, packing disk 191 moves to lower logical
The lower section of discharge orifice 190a, to reduce the friction in down stroke of plunger 010.Driving mechanism 160 drives packing disk 191 to move.
Multiple packing pieces 120 are arranged between upper plug head 180 and lower end cap 190, and multiple packing pieces 120 surround core pipe
110 arrangements.It is axially spaced on packing piece 120 to offer two threaded holes 121.It is offered in core pipe 110 and threaded hole 121
One-to-one through hole 111.Guide part 210 is cylindric.Guide part 210 can be radially movable extend through hole 111.Guiding
One end that part 210 is located at outside core pipe 110 is provided with external screw thread, and is threadedly coupled with the threaded hole 121 on packing piece 120.Guiding
The diameter that part 210 is located at one end in core pipe 110 is greater than the internal diameter of through hole 111, so that guide part 210 can not be detached from core pipe
110.Packing piece 120 can radial outward movement until the one end that is located in core pipe 110 of guide part 210 is resisted against core pipe 110
Inner wall.
It is axially spaced to offer two outer locating slots 122 in the inner radial surface for insulating piece 120.In the outer of core pipe 110
Circumferential surface offers and the one-to-one interior locating slot 112 of outer locating slot 122.The setting of first dynamic clamping head and quiet clamping head 130 is in packing piece 120
Between core pipe 110.First dynamic clamping head and quiet clamping head, 130 one end is located in interior locating slot 112, and the other end is located in outer locating slot 122,
So that the first dynamic clamping head and quiet clamping head 130 can be by good positioning.First dynamic clamping head and quiet clamping head 130 is in compressed shape always
State, so that packing piece 120 has the trend of radial outward movement always.When plunger 010 works in hoistway, in the first elasticity
Under the action of return unit 130, the outer surface of packing piece 120 is affixed on the inner peripheral surface of hoistway, sealing is formed, thus in the process of uplink
Lifting of the middle realization to liquid.When insulating piece 120 by radially inward extruding, packing piece 120 can overcome the first elasticity
The elastic force radial inward movement of return unit 130, the position that packing piece 120 is reduced by internal diameter in hoistway.At this
In embodiment, the first dynamic clamping head and quiet clamping head 130 is spring, in other embodiments, the first dynamic clamping head and quiet clamping head 130 or rubber
Rubber column gel column or other be capable of providing the device of elastic force.
Interior butting section 123 is provided on packing piece 120.Specifically, in the present embodiment, insulating and offering edge on piece 120
The through-hole 124 that radial direction extends.Through-hole 124 is close to the radially inwardly projecting cricoid interior butting section of formation in one end of core pipe 110
123。
The linkage hole 113 with 124 almost coaxial of through-hole is offered in core pipe 110.Linkage hole 113 extends radially through core pipe
110 tube wall.Columnar STATEMENT OF FEDERALLY SPONSORED 140 can be radially movable through linkage hole 113.One end of STATEMENT OF FEDERALLY SPONSORED 140 pass through it is interior against
Portion 123 is located in through-hole 124, and the other end of STATEMENT OF FEDERALLY SPONSORED 140 is located in core pipe 110.STATEMENT OF FEDERALLY SPONSORED 140 is located at one in through-hole 124
End projects radially outward to form cricoid outer butting section 141.Outer butting section 141 is opposite with interior butting section 123.Radially, outside
Butting section 141 is located at the outside of interior butting section 123.In 140 radial inward movement of STATEMENT OF FEDERALLY SPONSORED, outer butting section 141 can with it is interior
Butting section 123 against.
Second dynamic clamping head and quiet clamping head 170 acts on STATEMENT OF FEDERALLY SPONSORED 140, applies radially inward elastic force to STATEMENT OF FEDERALLY SPONSORED 140.Second
The elastic force of dynamic clamping head and quiet clamping head 170 is greater than the elastic force of the first dynamic clamping head and quiet clamping head 130.In the case where being influenced without other external force,
Second dynamic clamping head and quiet clamping head 170 drives 140 radial outward movement of STATEMENT OF FEDERALLY SPONSORED.During 140 radial outward movement of STATEMENT OF FEDERALLY SPONSORED, outside
Butting section 141 and interior butting section 123 are against pulling packing 120 radial inward movement of piece to the limit.When STATEMENT OF FEDERALLY SPONSORED 140 is by radial direction
Outside power and when overcoming the elastic force radial outward movement of the second dynamic clamping head and quiet clamping head 170, packing piece 120 can be in the first elasticity
Radial outward movement under the action of return unit 130.After insulating 120 radial outward movement of piece, if packing piece 120 by radial direction to
Interior pressure, packing piece 120 can also overcome the elastic force radial inward movement of the first dynamic clamping head and quiet clamping head 130, at this time in against
Portion 123 is detached from outer butting section 141.Specifically, in the present embodiment, the second dynamic clamping head and quiet clamping head 170 is spring, the second elastic reset
Part 170 is set in STATEMENT OF FEDERALLY SPONSORED 140.It is cricoid default that STATEMENT OF FEDERALLY SPONSORED 140 is located at the radially inwardly projecting formation in one end in core pipe 110
Position portion 142.In linkage hole 113 close to the radially inwardly projecting cricoid outer positioning region 113a of formation in one end of packing piece 120.Second
The both ends of dynamic clamping head and quiet clamping head 170 are resisted against interior positioning region 142 and outer positioning region 113a respectively.
Position control component 150 is used to control the radial position of STATEMENT OF FEDERALLY SPONSORED 140, and then the radial position to packing piece 120
It is controlled.Fig. 3 is the structural schematic diagram of position control component 150 in plunger 010 provided in this embodiment.Incorporated by reference to reference
Fig. 1-Fig. 3, position control component 150 include columnar ontology 151.Ontology 151 has opposite first end 151a and second end
151b.Ontology 151 is arranged in core pipe 110, and ontology 151 and core pipe 110 are coaxially disposed.First end 151a close to upper plug head 180,
Second end 151b is close to lower end cap 190.Position control component 150 further includes multiple fins 152.Multiple fins 152 are set to this
The outer peripheral surface of body 151, and multiple fins 152 are equally spaced around ontology 151.Fin 152 has position control surface 152a.
Position control surface 152a is the inclined inclined-plane of axis relative to ontology 151, along second end 151b to the side of first end 151a
To position control surface 152a moves closer to ontology 151.The through-flow space passed through for fluid is formed between adjacent fin 152
153。
Position control component 150 is used in the axial punctured bit close to lower end cap 190 of the drive lower edge of driving mechanism 160
It sets and is moved between the expanded position of upper plug head 180.In position, control unit 150 is between retracted position and expanded position
During movement, one end that STATEMENT OF FEDERALLY SPONSORED 140 is located in core pipe 110 under the action of the second dynamic clamping head and quiet clamping head 170 is resisted against position
Set control surface 152a.During in position, control unit 150 is moved to retracted position, the second dynamic clamping head and quiet clamping head 170 is driven
140 radial outward movement of STATEMENT OF FEDERALLY SPONSORED.During 140 radial outward movement of STATEMENT OF FEDERALLY SPONSORED, outer butting section 141 and interior butting section
123 against pulling packing 120 radial inward movement of piece.During in position, control unit 150 is to expanded position, position control
Control surface 152a radially outward squeezes STATEMENT OF FEDERALLY SPONSORED 140, so that STATEMENT OF FEDERALLY SPONSORED 140 overcomes the elastic force diameter of the second dynamic clamping head and quiet clamping head 170
To moving out.At this point, packing piece 120 can under the action of the first dynamic clamping head and quiet clamping head 130 radial outward movement.In packing piece
After 120 radial outward movements, if packing piece 120 is by radially inward pressure, insulating piece 120 can also overcome the first elasticity multiple
The elastic force radial inward movement of position part 130.
After plunger 010 reaches shaft bottom, driving mechanism 160, which drives, insulates the top that disk 191 moves to lower through flow hole 190a,
To prevent the fluid above and below plunger 010 from linking up by core pipe 110.Driving mechanism 160 drives position control component 150 to transport
It moves to expanded position.At this point, packing piece 120 is close to hoistway inner wall under the action of the first dynamic clamping head and quiet clamping head 130 forms sealing, with
The fluid above and below plunger 010 is prevented to link up by the space between plunger 010 and hoistway inner wall.Below plunger 010
010 uplink of plunger under the thrust of fluid lifts the hydrops of 010 top of plunger, upwards until hydrops is expelled to oil by well head
Outside gas well.
After plunger 010 reaches well head, driving mechanism 160, which drives, insulates the lower section that disk 191 moves to lower through flow hole 190a,
The fluid of 010 lower section of plunger is enabled to flow to plunger 010 by lower through flow hole 190a, core pipe 110 and upper through flow hole 180a
Top.Driving mechanism 160 drives position control component 150 to move to retracted position.At this point, the second dynamic clamping head and quiet clamping head 170 drives
140 radial outward movement of STATEMENT OF FEDERALLY SPONSORED.During 140 radial outward movement of STATEMENT OF FEDERALLY SPONSORED, outer butting section 141 and interior butting section
123 against pulling packing 120 radial inward movement of piece, so that the maximum outside diameter of plunger 010 is less than the internal diameter of hoistway, plunger 010
The space passed through for fluid is formd between hoistway inner wall.In addition, packing piece 120 can not be in sealing contact with hoistway inner wall,
Reduce the frictional force between packing piece 120 and hoistway inner wall.In 010 downlink of plunger, the fluid of 010 lower section of plunger can lead to
The space and core pipe 110 crossed between plunger 010 and hoistway inner wall flow to the top of plunger 010, greatly reduces plunger 010
Friction in down stroke, enables downlink in the case where responding curve of well of plunger 010, substantially reduces the production efficiency for improving oil/gas well.
Or can enable plunger 010 fast downlink is to shaft bottom in the case where closing well, when greatly reducing the closing well of oil/gas well
Between, improve the production efficiency of oil/gas well.In addition, being increased due to being formed with through-flow space 153 between adjacent fin 152
The circulation area of core pipe 110 enables plunger 010 more quick to further reduced the friction in down stroke of plunger 010
Downlink facilitates the production efficiency for promoting oil/gas well.
In the present embodiment, position control surface 152a connects close to the end of first end 151a and the outer peripheral surface of ontology 151
It connects.That is the outer peripheral surface for transitting to ontology 151 position control chart face 152a smooth close to the end of first end 151a.Further
, accommodating groove 151c is offered on ontology 151, accommodating groove 151c is between fin 152 and first end 151a.Accommodating groove
The medial surface of 151c constitutes a part of the outer peripheral surface of ontology 151.Position control surface 152a is close to the end of first end 151a
Connect with the medial surface of accommodating groove 151c, i.e. position control chart face 152a close to the end of first end 151a it is smooth transit to receipts
Receive the medial surface of slot 151c.When position control component 150 moves to retracted position, STATEMENT OF FEDERALLY SPONSORED 140 is located at one in core pipe 110
End enters accommodating groove 151c and supports with the medial surface of accommodating groove 151c.In position, control unit 150 is moved to expanded position
In the process, one end that STATEMENT OF FEDERALLY SPONSORED 140 is located at core pipe 110 progressively disengages accommodating groove under the extruding of the medial surface of accommodating groove 151c
151c is simultaneously contacted with position control surface 152a.
Fin 152 is also equipped with position and maintains surface 152b.Position maintains surface 152b parallel with the axis of ontology 151, and
And position maintains surface 152b to extend to obtain to second end 151b close to one end of second end 151b from position control surface 152a.
When position control component 150 moves to expanded position, one end that STATEMENT OF FEDERALLY SPONSORED 140 is located at core pipe 110 is resisted against position maintenance table
Face 152b.Since position maintains surface 152b parallel with the axis of ontology 151, the trace movement of position control component 150
It will not affect that the radial position of STATEMENT OF FEDERALLY SPONSORED 140, so that the radial position of STATEMENT OF FEDERALLY SPONSORED 140 be made to obtain stable holding.
In the present embodiment, the through hole 151d axially penetrated through along it is offered on ontology 151.The setting of through hole 151d
The circulation area of core pipe 110 can be further increased, the friction in down stroke of plunger 010 is reduced.Through hole 151d can be used for supplying
The communications cable or power cable being arranged in plunger 010 pass through.
Referring to figure 4., in the present embodiment, STATEMENT OF FEDERALLY SPONSORED 140 includes interlocking bar 143 and spin 144.Outer butting section 141 is set
It sets and is located at one end outside core pipe 110 in interlocking bar 143, one that interlocking bar 143 is located in core pipe 110 is arranged in interior positioning region 142
End.One end that interlocking bar 143 is located in core pipe 110 is arranged in spin 144.Position control component 150 is in expanded position and contraction
When moving between position, spin 144 and position control surface 152a are rolled and are cooperated, and reduce the movement of position control component 150
Resistance.Specifically, one end that interlocking bar 143 is located in core pipe 110 offers receiving hole 143a, 144 a part of spin, which is located at, to be held
It receives in the 143a of hole, it is outer to contact with position control surface 152a that 144 another part of spin is located at receiving hole 143a.In receiving hole
The edge of 143a is provided with interior protuberance, and interior protuberance is configured to that spin 144 is prevented to be detached from receiving hole 143a.Interior protuberance can pass through
Percussion realizes the edge deformation of receiving hole 143a, can also increase material at the edge of receiving hole 143a by modes such as welding
It realizes.
In the present embodiment, interior butting section 123 is greater than STATEMENT OF FEDERALLY SPONSORED 140 at a distance from the one end of through-hole 124 far from core pipe 110
Largest motion distance in the radial direction.The diameter that so, it is possible that STATEMENT OF FEDERALLY SPONSORED 140 is avoided to protrude from packing piece 120 radially is outside
Surface improves the functional reliability of plunger 010.
Driving mechanism 160 drives packing disk 191 and position control component 150 to move.Driving mechanism 160 can use a variety of
Form is realized, for example, driving mechanism 160 can be linear motor or electromagnet mechanism.In the present embodiment, driving mechanism 160
Packing disk 191 and position control component 150 is driven to move by hitting with the impact portions being arranged in oil/gas well.Driving mechanism
160 be the rod-like members axially extended, and driving mechanism 160 passes through through hole 151d and is fixedly connected with position control component 150,
Driving mechanism 160 also extends through packing disk 191 and is fixedly connected with packing disk 191.Driving mechanism 160 includes opposite upper end
160a and lower end 160b.Upper end 160a is axially slidable to run through upper plug head 180, and lower end 160b is axially slidable to be passed through
Wear plug 190.When plunger 010 moves to shaft bottom, lower end 160b is hit with the impact portions that shaft bottom is arranged in, thus
It drives position control component 150 to move to expanded position, packing disk 191 is driven to move to the top of lower through flow hole 190a.Work as column
When plug 010 moves to well head, upper end 160a is hit with the impact portions that well head is arranged in, to drive position control component
150 move to retracted position, and packing disk 191 is driven to move to the lower section of lower through flow hole 190a.
The foregoing is merely section Examples of the invention, are not intended to restrict the invention, for art technology
For personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of position control component characterized by comprising
Columnar ontology, the ontology have opposite first end and second end；And
It is multiple to be set to the body peripheral face, and surround the spaced apart fin of the ontology；
Wherein, the through-flow space passed through for fluid is formed between the adjacent fin, the fin has position control surface,
Along the second end to the direction of the first end, the position control surface moves closer to the ontology.
2. position control component according to claim 1, it is characterised in that:
The control surface is connect close to the end of the first end with the outer peripheral surface of the ontology.
3. position control component according to claim 2, it is characterised in that:
Accommodating groove is offered on the ontology, the accommodating groove is between the fin and the first end；The control table
Face is connect close to the end of the first end with the medial surface of the accommodating groove.
4. position control component according to claim 1, it is characterised in that:
Also there is the fin position to maintain surface, and the position maintains surface parallel with the axis of the ontology, the position
Surface is maintained to connect with the control surface close to the end of the second end.
5. position control component according to claim 1, it is characterised in that:
Offered on the ontology along its axially through through hole.
6. a kind of plunger characterized by comprising
Core pipe；
It is arranged around the core pipe, and is configured to the multiple packing pieces radially reciprocated, the packing on piece is provided with
Interior butting section；
The packing piece is acted on, and is configured to apply the packing piece the first elastic reset of radially outer elastic force
Part；
Radially mobilizable STATEMENT OF FEDERALLY SPONSORED through the core pipe is provided in the STATEMENT OF FEDERALLY SPONSORED to be radially positioned in described and support
Outer butting section on the outside of relying part；
Position control component described in any one of claim 1-5, the control unit are set in the core pipe；
It is connect with the position control component, and is configured to drive the position control component along axial direction in retracted position and expansion
The driving mechanism moved between tension position；
The second dynamic clamping head and quiet clamping head of the STATEMENT OF FEDERALLY SPONSORED is acted on, second dynamic clamping head and quiet clamping head is configured to apply the STATEMENT OF FEDERALLY SPONSORED
Add radially inward elastic force, so that the position control component moved between the retracted position and the expanded position
In the process, the STATEMENT OF FEDERALLY SPONSORED is resisted against the position control surface；
Wherein, during the position control component moves to the retracted position from the expanded position, described second
Dynamic clamping head and quiet clamping head drive the STATEMENT OF FEDERALLY SPONSORED radial inward movement, the outer butting section and the interior butting section against and described in driving
Insulate piece radial inward movement；The process of the expanded position is moved to from the retracted position in the position control component
In, the position control section drives the STATEMENT OF FEDERALLY SPONSORED radial outward movement, and first dynamic clamping head and quiet clamping head has the packing piece
The trend of standby radial outward movement.
7. plunger according to claim 6, it is characterised in that:
The STATEMENT OF FEDERALLY SPONSORED includes interlocking bar and spin；The interlocking bar runs through the core pipe；The spin is rotatably set to
Described radially inward one end of interlocking bar, the spin, which is configured to roll with the position control surface, to be cooperated；It is supported outside described
Relying part is set to the radially outer one end of the interlocking bar.
8. plunger according to claim 7, it is characterised in that:
Described radially inward one end of interlocking bar offers receiving hole, and the spin part is located in the receiving hole, the appearance
Receiving the edge in hole is provided with interior protuberance；The interior protuberance is configured to that the spin is prevented to be detached from the receiving hole.
9. plunger according to claim 6, it is characterised in that:
The packing on piece offers the through-hole extended in a radial direction；The through-hole close to one end of the core pipe radially-inwardly
Protrusion forms the cricoid interior butting section；Described radially outer one end of STATEMENT OF FEDERALLY SPONSORED project radially outward to be formed it is cricoid described
Outer butting section.
10. plunger according to claim 9, it is characterised in that:
The interior butting section is greater than the STATEMENT OF FEDERALLY SPONSORED maximum fortune in the radial direction at a distance from the one end of the through-hole far from core pipe
Dynamic distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145741.1A CN109630386A (en) | 2019-02-27 | 2019-02-27 | A kind of position control component and plunger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145741.1A CN109630386A (en) | 2019-02-27 | 2019-02-27 | A kind of position control component and plunger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630386A true CN109630386A (en) | 2019-04-16 |
Family
ID=66066086
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910145741.1A Pending CN109630386A (en) | 2019-02-27 | 2019-02-27 | A kind of position control component and plunger |
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| CN (1) | CN109630386A (en) |
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| US20030155129A1 (en) * | 2002-02-15 | 2003-08-21 | Gray William R. | Plunger with novel sealing |
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| CN109184624A (en) * | 2018-11-13 | 2019-01-11 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of continuous lift ram mining device of responding curve of well formula and construction method |
| CN109386250A (en) * | 2018-11-15 | 2019-02-26 | 成都百胜野牛科技有限公司 | A kind of bindiny mechanism and fluid excluder |
| CN209671179U (en) * | 2019-02-27 | 2019-11-22 | 成都百胜野牛科技有限公司 | A kind of position control component and plunger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030155129A1 (en) * | 2002-02-15 | 2003-08-21 | Gray William R. | Plunger with novel sealing |
| CN1632280A (en) * | 2003-12-03 | 2005-06-29 | 卢渊 | Temperature control umbrella type air support plunger |
| CN204960897U (en) * | 2015-09-24 | 2016-01-13 | 四川飞翔能源有限公司 | Cavity plunger |
| CN107313739A (en) * | 2017-09-06 | 2017-11-03 | 刘书豪 | The production method of fluid separation apparatus, hoistway structure and oil or natural gas |
| CN107313740A (en) * | 2017-09-06 | 2017-11-03 | 刘书豪 | A kind of fluid separation apparatus and hoistway structure |
| CN109184624A (en) * | 2018-11-13 | 2019-01-11 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of continuous lift ram mining device of responding curve of well formula and construction method |
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| CN209671179U (en) * | 2019-02-27 | 2019-11-22 | 成都百胜野牛科技有限公司 | A kind of position control component and plunger |
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