CN109386245A - A kind of plunger catcher - Google Patents
A kind of plunger catcher Download PDFInfo
- Publication number
- CN109386245A CN109386245A CN201811422863.2A CN201811422863A CN109386245A CN 109386245 A CN109386245 A CN 109386245A CN 201811422863 A CN201811422863 A CN 201811422863A CN 109386245 A CN109386245 A CN 109386245A
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- China
- Prior art keywords
- plunger
- engaging portion
- predeterminated position
- stop collar
- working beam
- Prior art date
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- 238000007789 sealing Methods 0.000 claims description 59
- 230000004308 accommodation Effects 0.000 claims description 40
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 230000009471 action Effects 0.000 abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 6
- 239000003345 natural gas Substances 0.000 abstract description 6
- 239000003209 petroleum derivative Substances 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to petroleum or natural gas extraction technical field, the present invention provides a kind of plunger catcher.Plunger catcher provided in an embodiment of the present invention is for being mounted on well head pipeline.When working beam is located at four predeterminated positions, engaging portion is in the second predeterminated position under the action of dynamic clamping head and quiet clamping head, and engaging portion is located in well head pipeline at this time.For plunger in well head pipeline during uplink, engaging portion overcomes the elastic force of dynamic clamping head and quiet clamping head to be moved from the second predeterminated position to the first predeterminated position under the extruding of plunger.When the groove of plunger surface passes through engaging portion, under the action of dynamic clamping head and quiet clamping head, engaging portion is moved to the second predeterminated position, and is caught in the groove of plunger surface, so realizes the capture to plunger, plunger is avoided to fall.It floats back and forth in this way, avoiding plunger in the inlet of production pipeline, helps to improve oil gas well yield, and help to reduce the fluid pressure fluctuations in production pipeline.
Description
Technical field
The present invention relates to natural gas or technical field of petroleum extraction more particularly to a kind of plunger catchers.
Background technique
Plunger be it is a kind of can in oil/gas well uplink free movement piston.It can fall under the action of self-weight
Shaft bottom, and well head is gone upward under the action of bottom pressure.During plunger uplink, liquid that Plunger Lift is positioned above
Body is expelled to these liquid outside well by the production pipeline of well head.By Plunger Lift, the product in oil/gas well shaft bottom can be discharged
Liquid, and then improve oil gas well yield.
After plunger needs to go upward to the entrance top of the production pipeline of well head, petroleum or natural gas below plunger could lead to
Cross production pipeline discharge.After petroleum or natural gas below plunger are discharged by production pipeline, plunger following pressure is reduced, plunger
It falls and blocks the entrance of production pipeline.After the pressure recovery below plunger, the entrance that production pipeline is exercised on plunger exposes,
Petroleum or natural gas continue to produce.Plunger floats back and forth in the inlet of production pipeline, influences the production effect of petroleum or natural gas
Rate leads to fluid pressure fluctuations in production pipeline.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of plunger catchers, can capture uplink
In plunger, avoid plunger from floating back and forth in the inlet of production pipeline, help to improve oil gas well yield, and help to drop
Fluid pressure fluctuations in low production pipeline.
The embodiment of the present invention is achieved through the following technical solutions:
A kind of plunger catcher, comprising: accommodation tube；It is rotatably arranged in the engaging portion in accommodation tube by shaft, is blocked
Determine portion to be configured to move between the second predeterminated position in the first predeterminated position being located in accommodation tube and outside accommodation tube；
Dynamic clamping head and quiet clamping head, dynamic clamping head and quiet clamping head are configured to apply engaging portion the elastic force moved to the second predeterminated position；And setting
Working beam in accommodation tube and with engaging portion linkage, working beam be configured to third predeterminated position and the 4th predeterminated position it
Between move；Wherein, when working beam is located at four predeterminated positions, engaging portion can be in the first predeterminated position and the second predeterminated position
Between move；When working beam is moved from the 4th predeterminated position to third predeterminated position, working beam drives engaging portion pre- by second
If position is moved to the first predeterminated position.
Further, confined planes are provided in engaging portion；When engaging portion is configured to be located at the second predeterminated position, confined planes
It is resisted against the inner surface of accommodation tube.
Further, the arc surface concentric with shaft is provided in engaging portion；Engaging portion is configured in the first default position
Set when being moved between the second predeterminated position, the inner surface of arc surface and accommodation tube against.
Further, the plunger rides face concentric with shaft is provided in engaging portion；Plunger rides face and arc surface difference
Positioned at the two sides of shaft.
Further, the first stop collar and the second stop collar are fixedly installed in accommodation tube；Working beam slidably extends through
First stop collar and the second stop collar；Plunger catcher further includes the sealing being arranged between the first stop collar and the second stop collar
Mechanism.
Further, sealing mechanism includes sealing shroud, resilient sleeve and spring；Sealing shroud is slideably sheathed on working beam；
Sealing shroud projects radially outward to form contact ring close to one end of the first stop collar；Resilient sleeve is sheathed on sealing shroud；The one of spring
End with the second stop collar against；The other end of spring acts on resilient sleeve so that resilient sleeve abutting contact ring, and makes to contact ring tight
Paste the first stop collar；The outer peripheral surface of resilient sleeve is contacted with the inner surface of accommodation tube；The inner peripheral surface of resilient sleeve and the periphery of sealing shroud
Face contact；The inner peripheral surface of sealing shroud and the periphery face contact of working beam.
Further, resilient sleeve is made of rubber.
Further, resilient sleeve includes multiple mutually indepedent and arranged side by side rubber ring.
Further, sealing shroud is made of polytetrafluoroethylene (PTFE) or nylon.
Further, sealing mechanism further includes the becket being arranged between resilient sleeve and spring；Metal ring is set to close
Big envelope.
Technical solution of the present invention is at least had the following advantages and beneficial effects:
Plunger catcher provided in an embodiment of the present invention is for being mounted on well head pipeline.It is preset when working beam is located at the 4th
When position, engaging portion is in the second predeterminated position under the action of dynamic clamping head and quiet clamping head, and engaging portion is located in well head pipeline at this time.Column
For plug in well head pipeline during uplink, engaging portion overcomes the elastic force of dynamic clamping head and quiet clamping head pre- by second under the extruding of plunger
If position is moved to the first predeterminated position.When the groove of plunger surface passes through engaging portion, under the action of dynamic clamping head and quiet clamping head, card
Determine portion to move to the second predeterminated position, and be caught in the groove of plunger surface, so realizes the capture to plunger, avoid plunger
It falls.It floats back and forth in this way, avoiding plunger in the inlet of production pipeline, helps to improve oil gas well yield, and help
Fluid pressure fluctuations in reduction production pipeline.
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 external structure schematic diagram of plunger catcher provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the section structure A of plunger catcher provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the section structure B of plunger catcher provided in an embodiment of the present invention；
Fig. 4 is the working state figure A of plunger catcher provided in an embodiment of the present invention；
Fig. 5 is the working state figure B of plunger catcher provided in an embodiment of the present invention；
Fig. 6 is the working state figure C of plunger catcher provided in an embodiment of the present invention；
Fig. 7 is the working state figure D of plunger catcher provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of accommodation tube in plunger catcher provided in an embodiment of the present invention；
Fig. 9 is working beam separate structure schematic diagram in plunger catcher provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of engaging portion in plunger catcher provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of dynamic clamping head and quiet clamping head in plunger catcher provided in an embodiment of the present invention.
In figure: 010- plunger catcher；011- well head pipeline；011a- catcher mounting hole；012- production pipeline；013-
Plunger；013a- captures slot；100- accommodation tube；The first cylinder of 110-；111- internal thread segment；112- internal thread segment；120- second
Body；121- external thread section；122- internal thread segment；The first stop collar of 123-；124- internal thread segment；130- third cylinder；Outside 131-
Thread segment；132- closure gasket groove；133- closure gasket groove；134- sealing ring；135- sealing ring；The 4th cylinder of 140-；141- positioning
Ring；142- shaft hole；143- limits axis hole；144- supporting plane；145- latch；The second stop collar of 150-；151- positioning ring；
200- engaging portion；200a- plunger rides face；200b- is to dynamic face；200c- confined planes；200d- arc surface；200e- joint face；
201- stress axis；202- rotation hole；203- stress shaft mounting hole；204- card slot；210- shaft；300- dynamic clamping head and quiet clamping head；310-
Wind spring；The force section 311-；312- support portion；400- working beam；401- limit shaft；410- threaded rod；411- stress section；412-T
Shape slot；413- external thread section；420- connecting rod；The 421- body of rod；422- neck；423- neck；The head 424-；The head 425-；
430- is to lever；431-T shape slot；432- limiting slot；433- hook portion；500- sealing mechanism；510- sealing shroud；511- contacts ring；
520- resilient sleeve；530- spring；540- becket.
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 position of the instructions such as term "inner", "outside", "upper", "lower"
Set relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation or position usually put
Set relationship or orientation or positional relationship that those skilled in the art usually understand, this kind of term is merely for convenience of describing
The present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1:
Fig. 1 is the external structure schematic diagram of plunger catcher 010 provided in this embodiment.Fig. 2 is provided in this embodiment
The schematic diagram of the section structure A of plunger catcher 010.Fig. 3 is that the cross-section structure of plunger catcher 010 provided in this embodiment is illustrated
Scheme B.
Incorporated by reference to referring to FIG. 1, FIG. 2 and FIG. 3, in the present embodiment, plunger catcher 010 includes extending along default axis
Accommodation tube 100.100 both ends open of accommodation tube is provided with engaging portion 200, dynamic clamping head and quiet clamping head 300 and work in accommodation tube 100
Bar 400.
Engaging portion 200 is rotatably arranged in accommodation tube 100 by shaft 210, and engaging portion 200 is located at accommodation tube
100 one end.Engaging portion 200 is configured to move between the first predeterminated position and the second predeterminated position.Fig. 2 is engaging portion
200 are located at state when the first predeterminated position, and engaging portion 200 is located in accommodation tube 100 at this time.Fig. 3 is that engaging portion 200 is located at the
State when two predeterminated positions, at this time engaging portion 200 from accommodation tube 100 it is open-ended from extend out to outside accommodation tube 100.Elasticity
Return unit 300 is configured to apply the elastic force moved to the second predeterminated position to engaging portion 200, so that engaging portion 200 is always
Has the trend moved to the second predeterminated position.Working beam 400 is arranged in accommodation tube 100, and is configured to along axial (with appearance
Receive the parallel direction of axis of cylinder 100) it is moved between third predeterminated position and the 4th predeterminated position.Fig. 2 is working beam 400
State when third predeterminated position.Fig. 3 is state diagram when working beam 400 is located at four predeterminated positions.Position is preset from third
It sets to the 4th predeterminated position and moves, i.e., moved along the direction close to engaging portion 200.From the 4th predeterminated position to third predeterminated position
Movement is moved along the direction far from engaging portion 200.Working beam 400 and engaging portion 200 link.As shown in Fig. 2, working as working beam
400 be located at third predeterminated position when engaging portion 200 be fixed on the first predeterminated position.As shown in figure 3, when working beam 400 is located at
When four predeterminated positions, working beam 400 does not cause to limit to the movement of engaging portion 200, and engaging portion 200 can be in dynamic clamping head and quiet clamping head
The second predeterminated position is moved to from the first predeterminated position under the action of 300, engaging portion 200 also can be under the effect of external force from
Two predeterminated positions are moved to the first predeterminated position.
Fig. 4 is that the working state figure A, Fig. 5 of plunger catcher 010 provided in this embodiment are plunger provided in this embodiment
The working state figure B, Fig. 6 of catcher 010 are that the working state figure C, Fig. 7 of plunger catcher 010 provided in this embodiment are this
The working state figure D for the plunger catcher 010 that embodiment provides.Plunger catcher 010 provided in this embodiment is mounted on well head
It is other on well head pipeline 011 to be connected to production pipeline 012 on pipeline 011.The installation site of plunger catcher 010 is located at production pipeline
012 top.Fig. 4-Fig. 6 schematically illustrates the process that plunger 013 moves from the bottom up in well head pipeline 011.In Fig. 6
Plunger 013 goes upward to highest point.Fig. 6-Fig. 7 schematically illustrates plunger 013 and falls after rise from highest point, until by plunger catcher
010 process captured.Catcher mounting hole 011a is offered on well head pipeline 011.Accommodation tube 100 is close to engaging portion 200
One end is directed at catcher mounting hole 011a, and is welded and fixed with well head pipeline 011.The axis and well head pipeline 011 of accommodation tube 100
Axis it is vertical.When engaging portion 200 is located at the second predeterminated position, engaging portion 200 enters in well head pipeline 011.Plunger 013
The capture slot 013a of outer peripheral surface setting annular.Please refer to Fig. 4-Fig. 6.At work, when working beam 400 is located at the 4th default position
It sets, working beam 400 does not cause to limit to the movement of engaging portion 200, and engaging portion 200 can be under the action of dynamic clamping head and quiet clamping head 300
The second predeterminated position is moved to from the first predeterminated position, engaging portion 200 also can be under the effect of external force from the second predeterminated position
It is moved to the first predeterminated position.In the state of not by external force, engaging portion 200 is located at the second predeterminated position, i.e., engaging portion 200 into
Enter into well head pipeline 011.Plunger 013 supports engaging portion 200 during uplink from bottom to up, makes engaging portion 200 from
Two predeterminated positions are moved to the first predeterminated position.The periphery face contact of engaging portion 200 and plunger 013, enable plunger 013 from
By uplink, until plunger 013 goes upward to highest point.Please referring to Fig. 6-Fig. 7, plunger 013 is gone upward to behind highest point to lower falling, when
When the capture slot 013a opened up on plunger 013 passes through engaging portion 200, engaging portion 200 moves under the action of dynamic clamping head and quiet clamping head 300
To the second predeterminated position.At this point, the insertion of engaging portion 200 captures in slot 013a, 013 engaging portion 200 of plunger captures and support, into
Without will continue to fall.At this point, plunger 013 is located at the top of the entrance of production pipeline 012.In this way, avoiding plunger 013 in life
The inlet for producing pipeline 012 is floated back and forth, helps to improve oil gas well yield, and helps to reduce the fluid in production pipeline
Pressure oscillation.When needing to discharge plunger 013, working beam 400 is made to move to third predeterminated position from the 4th predeterminated position, worked
Bar 400 drives engaging portion 200 to move to the first predeterminated position from the second predeterminated position, and engaging portion 200, which is detached from, captures slot 013a, column
Plug 013 is released.
It is pre- in third predeterminated position and the 4th working beam 400 can be controlled using air pressure, hydraulic or motor-driven mode
If being moved between position.In the present embodiment, pass through rotation work using being threadedly coupled between working beam 400 and accommodation tube 100
Bar 400 moves working beam 400 between third predeterminated position and the 4th predeterminated position.In the following, to accommodation tube 100 and working beam
400 are described further.
Fig. 8 is the structural schematic diagram of accommodation tube 100 in plunger catcher 010 provided in this embodiment.Incorporated by reference to referring to figure
2, Fig. 3 and Fig. 8, in the present embodiment, accommodation tube 100 include the first cylinder 110, the second cylinder 120, third cylinder 130 and the
Four cylinders 140.First cylinder 110, the second cylinder 120 and third cylinder 130 pass sequentially through the connection that is screwed.In the first cylinder
110 inner surface is provided with internal thread segment 111, and the internal thread segment 111 with working beam 400 for being threadedly coupled.In the first cylinder
110 are provided with internal thread segment 112 close to the terminal interior surface of the second cylinder 120.Second cylinder 120 is close to the first cylinder 110
End outer surface is provided with external thread section 121.First cylinder 110 and the second cylinder 120 pass through internal thread segment 112 and external thread section
121 threaded connection is integrally fixed.Second cylinder 120 is provided with internal thread segment close to the terminal interior surface of third cylinder 130
122, the outer surface of third cylinder 130 is provided with external thread section 131.Second cylinder 120 and third cylinder 130 pass through internal thread segment
122 and the threaded connection of external thread section 131 be integrally fixed.Further, the outer surface of third cylinder 130 is provided with sealing ring
Slot 132 and closure gasket groove 133.Closure gasket groove 132 and closure gasket groove 133 are axially disposed in the two sides of external thread section 131.Close
It is provided with sealing ring 134 in seal ring slot 132, sealing ring 135 is provided in closure gasket groove 133.Sealing ring 134 and sealing ring
135 are tightly attached to the inner surface of the second cylinder 120, realize the sealing between the second cylinder 120 and third cylinder 130.4th
Body 140 is arranged in third cylinder 130, and the 4th cylinder 140, which is provided with close to one end of the second cylinder 120, to be projected radially outward
Positioning ring 141.Along axially, positioning ring 141 is clamped between the second cylinder 120 and third cylinder 130, by the 4th cylinder
140 fix.The 4th cylinder 140 rotates in order to prevent, is additionally provided with only between the 4th cylinder 140 and third cylinder 130
Dynamic pin 145.In the slot that 145 a part insertion 140 outer surface of the 4th cylinder of latch opens up, another part of latch 145 is embedding
Enter in the slot that 130 inner surface of third cylinder opens up, and then limits the relative rotation of the 4th cylinder 140 and third cylinder 130.?
It is also opposite on four cylinders 140 to open up there are two shaft hole 142, it is used for fixed rotating shaft 210.It is also opposite on the 4th cylinder 140 to open
If there are two axis hole 143 is limited, for the fixed limit shaft 401 that will be described below.
Fig. 9 is the separate structure schematic diagram of working beam 400 in plunger catcher 010 provided in this embodiment.Incorporated by reference to ginseng
According to Fig. 2, Fig. 3 and Fig. 9, working beam 400 includes sequentially connected threaded rod 410, connecting rod 420 and to lever 430.Threaded rod
410 one end constitutes the stress section 411 for connecting with tools such as spanner or screwdrivers.The instrumental purposes such as spanner or screwdriver in
Stress section 411, so that threaded rod 410 rotates.The other end of threaded rod 410 offers the T-slot 412 radially penetrated through.
Outer surface between 410 both ends of threaded rod is provided with external thread section 413, and the external thread section 413 and 111 screw thread of internal thread segment connect
It connects.By rotating threaded rod 410, working beam 400 can be made to be axially moved relative to accommodation tube 100, to realize that working beam 400 exists
It is moved between third predeterminated position and the 4th predeterminated position.Connecting rod 420 includes the cylindrical body of rod 421, at 421 both ends of the body of rod
It is respectively arranged with the neck 422 and neck 423 of minor diameter.Head 424, head are connected with far from one end of the body of rod 421 in neck 422
The diameter in portion 424 is greater than the diameter of neck 422.Head 425, head 425 are connected with far from one end of the body of rod 421 in neck 423
Diameter be greater than neck 423 diameter.The body of rod 421, neck 422, neck 423, head 424 and head 425 are coaxially arranged.Neck
422 and head 424 can radially from side insertion T-slot 412 in, thus in the axial direction realize threaded rod 410 and connection
Bar 420 is fixedly connected, while allowing to relatively rotate between threaded rod 410 and connecting rod 420.To one end of lever 430
Offer the T-slot 431 radially penetrated through.Neck 423 and head 425 can be radially embedded in T-slot 431 from side, thus
Being fixedly connected to lever 430 and connecting rod 420 is realized in the axial direction, while allowing to send out between lever 430 and connecting rod 420
It is raw to relatively rotate.Limiting slot 432 is offered in the other end to lever 430.Limit shaft 401 is accommodated in limiting slot 432.By
In limit shaft 401 by two limit axis holes 143 fixation for opening up on the 4th cylinder 140, thus limit shaft 401 can prevent to
Lever 430 rotates.Meanwhile when the bottom of limit shaft 401 and limiting slot 432 contacts, it is default that working beam 400 reaches the 4th
Position and it can not continue to move along third predeterminated position to the direction of the 4th predeterminated position.Limiting slot 432 is offered to lever 430
End extend two opposite hook portions 433.Space between two hook portions 433 is for accommodating engaging portion 200.Two hook portions
433 with the stress axis 201 (will be described herein-after) in engaging portion 200 for combining.Working beam 400 from the 4th predeterminated position to
During third predeterminated position moves, hook portion 433 pulls stress axis 201, and then drives engaging portion 200 from the second predeterminated position
Move to the first predeterminated position.It should be pointed out that when the bottom when limit shaft 401 and limiting slot 432 contacts, hook portion 433 according to
So it is fully located inside accommodation tube 100.
Figure 10 is the structural schematic diagram of engaging portion 200 in plunger catcher 010 provided in this embodiment.Engaging portion 200 is whole
Body is with certain thickness sheet.The circumferential surface of engaging portion 200 includes sequentially connected plunger rides face 200a, extremely dynamic face
200b, confined planes 200c, arc surface 200d and joint face 200e.Perforative turn of through-thickness is offered in engaging portion 200
Dynamic hole 202 and stress shaft mounting hole 203.Wherein, stress axis 201 fixes company through stress shaft mounting hole 203 and with engaging portion 200
It connects.During working beam 400 is moved from the 4th predeterminated position to third predeterminated position, two hook portions 433 are used for and stress
The both ends of axis 201 combine, and pull stress axis 201, move engaging portion 200 from the second predeterminated position to the first predeterminated position.
Shaft 210 runs through rotation hole 202.Shaft 210 and 202 clearance fit of rotation hole, can relatively rotate between the two.To dynamic face
200b, confined planes 200c and joint face 200e are straight plane.Plunger rides face 200a and arc surface 200d are located at
The two sides of shaft 210.Plunger rides face 200a be it is arc-shaped, plunger rides face 200a and shaft 210 are concentric.Arc surface 200d
It is concentric with shaft 210.When engaging portion 200 is located at the second predeterminated position, confined planes 200c is resisted against the interior table of the 4th cylinder 140
Face.In this way, during engaging portion 200 captures plunger 013, the weight of plunger 013 and the impact for capturing the generation of plunger 013
It is transferred to accommodation tube 100 by confined planes 200c, shaft 210 is avoided and bears excessive impact, so considerably increase shaft
210 service life can effectively reduce the probability of the fracture of shaft 210.Further, it is also set in the inner surface of the 4th cylinder 140
It is equipped with supporting plane 144 corresponding with confined planes 200c.When engaging portion 200 is located at the second predeterminated position, confined planes 200c with
144 face contact of supporting plane also can effectively drop in this way, increasing stability when engaging portion 200 is located at the second predeterminated position
The abrasion deformation of lower bound plane 200c and the 4th cylinder 140.When engaging portion 200 is located at the second predeterminated position, until dynamic face 200b
Axis relative to well head pipeline 011 be it is inclined, when 013 uplink of plunger and when supporting to dynamic face 200b, until dynamic face 200b with
Plunger 013 slidably engages, and engaging portion 200 is enable to rotate from the second predeterminated position to the first predeterminated position.In engaging portion
During 200 rotate from the second predeterminated position to the first predeterminated position, arc surface 200d and the inner surface of the 4th cylinder 140 are connect
Touching, enables engaging portion 200 swimmingly to rotate.Further, in engaging portion 200 from the second predeterminated position to the first default position
During setting rotation, arc surface 200d is contacted with 144 line of supporting plane of the 4th cylinder 140.In the plunger that release is captured
When 013, working beam 400 is moved to third predeterminated position from the 4th predeterminated position.During this, plunger rides face 200a with
The contact of 013 line of plunger, frictional force are low.It is concentric additionally, due to plunger rides face 200a and shaft 210, enable engaging portion 200
It is enough smoothly to be rotated from the second predeterminated position to the first predeterminated position, driving working beam 400 is effectively reduced from the 4th default position
Set power required for being moved to third predeterminated position.The card slot 204 being recessed inwardly, card slot 204 are offered on joint face 200e
For being connect with the dynamic clamping head and quiet clamping head 300 that will be described below.
Figure 11 is the structural schematic diagram of dynamic clamping head and quiet clamping head 300 in plunger catcher 010 provided in this embodiment.Elastic reset
Part 300 includes coaxial and spaced two wind springs 310.Two wind springs 310 are separately positioned on the two sides of engaging portion 200, and
Two wind springs 310 are set in shaft 210.One end of two wind springs 310, which is interconnected to form, to be accommodated in card slot 204
Force section 311, the other end of two wind springs 310 extend the support portion 312 to be formed and be contacted with the inner surface of the 4th cylinder 140.
Further, support portion 312 is supported on confined planes 200c.Two wind springs 310 are in compressed state always.Due to support
Portion 312 supports on confined planes 200c, and support portion 312 can not move, thus force section 311 will make engaging portion 200 have from
The trend that first predeterminated position is moved to the second predeterminated position.When engaging portion 200 is not by the effect of other external force, force section
311 drive engaging portions 200 are moved from the first predeterminated position to the second predeterminated position.
Plunger catcher 010 at work, in addition to needing to realize capture and release to plunger 013, it is also necessary to ensure good
Good leakproofness is revealed to avoid fluid by plunger catcher 010.In plunger catcher 010 provided in this embodiment, accommodate
Cylinder 100 and working beam 400 can relative motion, this need to be capable of forming between accommodation tube 100 and working beam 400 it is good move it is close
Envelope.In order to realize the sealing between accommodation tube 100 and working beam 400, in the present embodiment, it is fixedly installed in accommodation tube 100
First stop collar 123 and the second stop collar 150.First stop collar 123 by the second cylinder 120 the radially inwardly projecting shape of inner peripheral surface
At.The outer peripheral surface of second stop collar 150 is provided with external screw thread, and the inner peripheral surface of the second cylinder 120 is provided with internal thread segment 124, interior
Thread segment 124 is adjacent with the 4th cylinder 140.Second stop collar 150 is threadedly coupled with the internal thread segment 124 on the second cylinder 120.
Second cylinder 120 projects radially outward to form positioning ring 151 close to one end of the 4th cylinder 140.Along axial, 151 quilt of positioning ring
It is clamped between the second cylinder 120 and the 4th cylinder 140.Connecting rod 420 runs through the first stop collar 123 and the second stop collar 150.
Connecting rod 420 respectively with 150 clearance fit of the first stop collar 123 and the second stop collar so that connecting rod 420 can be relative to
One stop collar 123 and the second stop collar 150 slide axially.It is provided between the first stop collar 123 and the second stop collar 150 close
Sealing mechanism 500.Sealing mechanism 500 is the shaft sealing mechanism being set in connecting rod 420, can be sent out between connecting rod 420
Life slides axially, while realizing the sealing between connecting rod 420 and the second cylinder 120.
In the present embodiment, sealing mechanism 500 includes sealing shroud 510, resilient sleeve 520 and spring 530.510 sets of sealing shroud
It is located in connecting rod 420, sealing shroud 510 projects radially outward to form contact ring 511 close to one end of the first stop collar 123.Bullet
Property set 520 be set on sealing shroud 510.Spring 530 is set in connecting rod 420, one end of spring 530 and the second stop collar
150 against the other end of spring 530 acts on the end of resilient sleeve 520.Spring 530 is in compressed state, spring always
530 pairs of resilient sleeves 520 apply along axial elastic force, move resilient sleeve 520 to the first stop collar 123 with movable sealing sleeve 510,
It is close to contact ring 511 with the first stop collar 123, forms sealing.Under the action of the axial force that spring 530 applies,
Deformation occurs in radial directions for resilient sleeve 520, so that the outer peripheral surface of resilient sleeve 520 is close to the inner surface of the second cylinder 120, together
When resilient sleeve 520 inner peripheral surface be close to sealing shroud 510 outer peripheral surface and radially inward pressure is applied to sealing shroud 510.Elasticity
The radially inward pressure for covering the application of 520 pairs of sealing shrouds 510, enables the inner peripheral surface of sealing shroud 510 to be close to connecting rod 420
Outer peripheral surface.Above structure realizes the sealing between 120 inner surface of outer peripheral surface and the second cylinder of resilient sleeve 520, realizes bullet
Property set 520 inner peripheral surface and sealing shroud 510 between sealing, realize between the inner peripheral surface of sealing shroud 510 and connecting rod 420
Sealing.In this way, realizing the sealing between connecting rod 420 and the second cylinder 120, avoids plunger catcher 010 and let out
The case where leakage, occurs.
Further, in the present embodiment, resilient sleeve 520 is made of rubber.Further, resilient sleeve 520 includes more
A mutually indepedent and arranged side by side rubber ring.Multiple rubber rings are mutually close under the action of the axial force that spring 530 applies.
Under the action of the axial force that spring 530 applies, radial deformation respectively individually occurs for each rubber ring, it can be ensured that sealing shroud
510 is axial everywhere by more uniform radial pressure, and then improves the sealing performance between sealing shroud 510 and connecting rod 420.
Further, sealing shroud 510 can be made of polytetrafluoroethylene (PTFE) or nylon, in the present embodiment, sealing shroud 510 by
Polytetrafluoroethylene (PTFE) is made.
Further, in the present embodiment, sealing mechanism 500 further includes being arranged between resilient sleeve 520 and spring 530
Becket 540；Becket 540 is sheathed on sealing shroud 510.The elastic force of spring 530 acts on resilient sleeve by becket 540
On 520, enable resilient sleeve 520 by more uniform axial force, facilitates the service life for increasing resilient sleeve 520.
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 plunger catcher characterized by comprising
Accommodation tube；
It is rotatably arranged in the engaging portion in the accommodation tube by shaft, the engaging portion is configured to be located at the appearance
It receives and is moved between the first predeterminated position in cylinder and the second predeterminated position outside the accommodation tube；
Dynamic clamping head and quiet clamping head, the dynamic clamping head and quiet clamping head is configured to apply the engaging portion to be moved to second predeterminated position
Elastic force；And
Working beam in the accommodation tube and with engaging portion linkage is set, and the working beam is configured to default in third
It is moved between position and the 4th predeterminated position；
Wherein, when the working beam is located at four predeterminated position engaging portion can in first predeterminated position and
It is moved between second predeterminated position；When the working beam is moved from the 4th predeterminated position to the third predeterminated position
When, the working beam drives the engaging portion to be moved from second predeterminated position to first predeterminated position.
2. plunger catcher according to claim 1, it is characterised in that:
Confined planes are provided in the engaging portion；When the engaging portion is configured to be located at second predeterminated position, the limit
Plane is resisted against the inner surface of the accommodation tube.
3. plunger catcher according to claim 1, it is characterised in that:
The arc surface concentric with the shaft is provided in the engaging portion；The engaging portion is configured to default described first
When being moved between position and second predeterminated position, the inner surface of the arc surface and the accommodation tube against.
4. plunger catcher according to claim 3, it is characterised in that:
The plunger rides face concentric with the shaft is provided in the engaging portion；The plunger rides face and the arc surface point
Not Wei Yu the shaft two sides.
5. plunger catcher according to claim 1, it is characterised in that:
The first stop collar and the second stop collar are fixedly installed in the accommodation tube；The working beam slidably extends through described
One stop collar and second stop collar；
The plunger catcher further includes the sealing mechanism being arranged between first stop collar and second stop collar.
6. plunger catcher according to claim 5, it is characterised in that:
The sealing mechanism includes sealing shroud, resilient sleeve and spring；The sealing shroud is slideably sheathed on the working beam；Institute
Sealing shroud is stated to project radially outward to form contact ring close to one end of first stop collar；The resilient sleeve is sheathed on described close
Big envelope；One end of the spring and second stop collar against；The other end of the spring act on the resilient sleeve so that
The resilient sleeve is close to the contact ring, and the contact ring is made to be close to first stop collar；
The outer peripheral surface of the resilient sleeve is contacted with the inner surface of the accommodation tube；The inner peripheral surface of the resilient sleeve and the sealing shroud
Periphery face contact；The periphery face contact of the inner peripheral surface of the sealing shroud and the working beam.
7. plunger catcher according to claim 6, it is characterised in that:
The resilient sleeve is made of rubber.
8. plunger catcher according to claim 7, it is characterised in that:
The resilient sleeve includes multiple mutually indepedent and arranged side by side rubber ring.
9. plunger catcher according to claim 6, it is characterised in that:
The sealing shroud is made of polytetrafluoroethylene (PTFE) or nylon.
10. plunger catcher according to claim 6, it is characterised in that:
The sealing mechanism further includes the becket being arranged between the resilient sleeve and the spring；The metal ring is set to
The sealing shroud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422863.2A CN109386245A (en) | 2018-11-27 | 2018-11-27 | A kind of plunger catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422863.2A CN109386245A (en) | 2018-11-27 | 2018-11-27 | A kind of plunger catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109386245A true CN109386245A (en) | 2019-02-26 |
Family
ID=65429610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811422863.2A Pending CN109386245A (en) | 2018-11-27 | 2018-11-27 | A kind of plunger catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109386245A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185406A (en) * | 2019-07-01 | 2019-08-30 | 成都百胜野牛科技有限公司 | Downhole tool catcher |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211279A (en) * | 1978-12-20 | 1980-07-08 | Otis Engineering Corporation | Plunger lift system |
| US7040401B1 (en) * | 2004-03-31 | 2006-05-09 | Samson Resources Company | Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus |
| CN201386526Y (en) * | 2008-11-12 | 2010-01-20 | 吐哈石油勘探开发指挥部工程技术研究院 | Plunger capture device used for plunger gas-lift well mouth |
| CN102296943A (en) * | 2011-07-29 | 2011-12-28 | 中国石油天然气股份有限公司 | Plunger tool for gas recovery by liquid drainage in gas wells |
| CN102518427A (en) * | 2011-12-06 | 2012-06-27 | 中国石油天然气股份有限公司 | System for tracking running state of underground plunger for gas production and working method thereof |
| CN203214016U (en) * | 2013-03-11 | 2013-09-25 | 盐城市鑫源石化机械有限公司 | Plunger lifting system |
| CN104695884A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Wellhead automatic capture device and process method for gas-lifting plunger |
| CN207568538U (en) * | 2017-11-09 | 2018-07-03 | 什邡慧丰采油机械有限责任公司 | A kind of plunger type trap setting |
| CN209115067U (en) * | 2018-11-27 | 2019-07-16 | 成都百胜野牛科技有限公司 | A kind of plunger catcher |
-
2018
- 2018-11-27 CN CN201811422863.2A patent/CN109386245A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211279A (en) * | 1978-12-20 | 1980-07-08 | Otis Engineering Corporation | Plunger lift system |
| US7040401B1 (en) * | 2004-03-31 | 2006-05-09 | Samson Resources Company | Automated plunger catcher and releaser and chemical launcher for a well tubing method and apparatus |
| CN201386526Y (en) * | 2008-11-12 | 2010-01-20 | 吐哈石油勘探开发指挥部工程技术研究院 | Plunger capture device used for plunger gas-lift well mouth |
| CN102296943A (en) * | 2011-07-29 | 2011-12-28 | 中国石油天然气股份有限公司 | Plunger tool for gas recovery by liquid drainage in gas wells |
| CN102518427A (en) * | 2011-12-06 | 2012-06-27 | 中国石油天然气股份有限公司 | System for tracking running state of underground plunger for gas production and working method thereof |
| CN203214016U (en) * | 2013-03-11 | 2013-09-25 | 盐城市鑫源石化机械有限公司 | Plunger lifting system |
| CN104695884A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Wellhead automatic capture device and process method for gas-lifting plunger |
| CN207568538U (en) * | 2017-11-09 | 2018-07-03 | 什邡慧丰采油机械有限责任公司 | A kind of plunger type trap setting |
| CN209115067U (en) * | 2018-11-27 | 2019-07-16 | 成都百胜野牛科技有限公司 | A kind of plunger catcher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185406A (en) * | 2019-07-01 | 2019-08-30 | 成都百胜野牛科技有限公司 | Downhole tool catcher |
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