CN206545492U - The installation retracting device of underwater vertical production tree boll-weevil hanger - Google Patents
The installation retracting device of underwater vertical production tree boll-weevil hanger Download PDFInfo
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- CN206545492U CN206545492U CN201720036884.5U CN201720036884U CN206545492U CN 206545492 U CN206545492 U CN 206545492U CN 201720036884 U CN201720036884 U CN 201720036884U CN 206545492 U CN206545492 U CN 206545492U
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- retracting device
- claw
- boll
- weevil hanger
- installation
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Abstract
The utility model provides a kind of installation retracting device of underwater vertical production tree boll-weevil hanger, and the installation retracting device of underwater vertical production tree boll-weevil hanger includes：Retracting device body is installed；Claw, claw is multiple, and along installing, retracting device body is circumferentially disposed, and one end of claw can be relative to installation retracting device body oscillatory；Actuating sleeve, is set in outside installation retracting device body, and actuating sleeve can be provided with annular protrusion along the axial movement for installing retracting device body, on the inwall of actuating sleeve, annular protrusion and claw against and claw can be driven to swing.The beneficial effects of the utility model are, by setting claw, actuating sleeve can be locked with boll-weevil hanger, it is easy to the installation retracting device by underwater vertical production tree boll-weevil hanger to transfer boll-weevil hanger, when transferring to setting position, actuating sleeve is moved up, and claw is unlocked with boll-weevil hanger.
Description
Technical field
The utility model is related to offshore oil equipment field, specifically a kind of peace of underwater vertical production tree boll-weevil hanger
Reinstall receiving apparatus.
Background technology
In marine oil and gas exploitation, underwater vertical production tree is important part in subsea production system.And oil pipe
Hanger seals the device of annular space between oil pipe and sleeve pipe as support tubing string, is the pass in vertical production tree system
Key member.Meanwhile, it also acts as suspension tubing weight and acted on there is provided oil flow channel etc..Safety installs boll-weevil hanger, there is ten
Divide important meaning.
Current vertical production tree boll-weevil hanger installs retracting device, more by two hydraulic systems and two driving set groups
Into.The locking and unblock of boll-weevil hanger and erecting device are respectively used to, and for driving the lock of boll-weevil hanger and well head
Tightly with unblock.This to install retracting device operation, complicated, and the set-up time is long, and risk is big, and reliability is low.
Utility model content
The utility model provides a kind of installation retracting device of underwater vertical production tree boll-weevil hanger, to simplify installation
The structure of retracting device, saves the set-up time.
The utility model solves the technical scheme that its technical problem used：A kind of underwater vertical production tree oil pipe suspension
The installation retracting device of device, the installation retracting device of underwater vertical production tree boll-weevil hanger includes：Retracting device body is installed；
Claw, claw is multiple, and along installing, retracting device body is circumferentially disposed, and one end of claw can be relative to installation retracting device sheet
Body is swung；Actuating sleeve, is set in outside installation retracting device body, and actuating sleeve can be moved along the axial direction for installing retracting device body
It is dynamic, be provided with annular protrusion on the inwall of actuating sleeve, annular protrusion and claw against and claw can be driven to swing.
Further, install and annular stop clamping projection is provided with retracting device body, one end of claw is arranged on ring
The raised lower section of the spacing clamping of shape simultaneously can be with boll-weevil hanger clamping, the other end and the annular stop clamping convex upper portion of claw
Clamping, the middle part of claw is with the outer surface of annular stop clamping projection against the two ends of claw can be relative in claw
Portion is swung.
Further, cross sectional shape of the claw in face of a side surface of annular protrusion tilted for two ends, medial recess it is outer
Spill, annular protrusion along install retracting device body shaft to height be a, claw along install retracting device body shaft to height
It is less than b for b, wherein a.
Further, one end of claw can be hingedly fixed in installation with boll-weevil hanger clamping, the other end of claw
On retracting device body, the installation retracting device of underwater vertical production tree boll-weevil hanger also includes back-moving spring, back-moving spring
One end is fixed with installing retracting device body, and one end of the back-moving spring other end and claw is fixed.
Further, annular piston portion is fixedly installed on the inwall of actuating sleeve, the inwall in annular piston portion is with installing back
The outer wall of receiving apparatus body is tightly connected, and is provided with above annular piston portion for driving the first descending note of annular piston portion
It is provided with below liquid space, annular piston portion for driving the second up fluid injection space of annular piston portion.
Further, annular piston portion and the upper end of actuating sleeve have a segment distance, top, the annular piston portion of actuating sleeve
Upper surface and install retracting device body outer wall be collectively forming the first fluid injection space.
Further, annular stop component is provided with the outer wall for installing retracting device body, annular stop component is located at
The lower section in annular piston portion, the outer wall of annular stop component and the inner wall sealing of actuating sleeve are connected.
Further, the internal partial wall of actuating sleeve, the lower surface in annular piston portion, install retracting device body part outside
The upper surface of wall and annular stop component is collectively forming the second fluid injection space.
Further, annular stop component includes the locating snap ring being fixed on the outer wall for installing retracting device body, stop
The outer wall of ring and the inner wall sealing of actuating sleeve are connected.
Further, be provided with upper groove and low groove on boll-weevil hanger, one end of claw can with upper groove clamping,
C-shaped ring is provided with low groove, when claw and upper groove are in clamped condition, C-shaped ring can be pressed into by the lower end of actuating sleeve
In low groove.
Further, installing retracting device body includes the first inner sleeve and fixes sleeve, and fixes sleeve is arranged on first
The upper end of inner sleeve, actuating sleeve is set in outside the first inner sleeve and fixes sleeve.
The beneficial effects of the utility model are, by setting claw, can be locked actuating sleeve with boll-weevil hanger,
It is easy to the installation retracting device by underwater vertical production tree boll-weevil hanger to transfer boll-weevil hanger, is set when transferring to
When positioning is put, actuating sleeve is moved up, and claw is unlocked with boll-weevil hanger.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the structural representation of the installation retracting device embodiment of the utility model underwater vertical production tree boll-weevil hanger
Figure；
Fig. 2 is in solution for the installation retracting device boll-weevil hanger of the utility model underwater vertical production tree boll-weevil hanger
The structural representation of lock position；
Fig. 3 is A portions enlarged drawing in Fig. 2；
Fig. 4 is B portions enlarged drawing in Fig. 2；
Fig. 5 is in for the installation retracting device of the utility model underwater vertical production tree boll-weevil hanger with boll-weevil hanger
The structural representation of latched position；
Fig. 6 is C portions enlarged drawing in Fig. 5；
Fig. 7 is D portions enlarged drawing in Fig. 5；
Fig. 8 is the installation retracting device of the utility model underwater vertical production tree boll-weevil hanger and bowing for boll-weevil hanger
Depending on structural representation；
Fig. 9 is claw in another embodiment of installation retracting device of the utility model underwater vertical production tree boll-weevil hanger
The structural representation being in the locked position；
Figure 10 is card in another embodiment of installation retracting device of the utility model underwater vertical production tree boll-weevil hanger
The structural representation that pawl is in the unlocked position.
Reference in figure：12nd, claw；13rd, C-shaped ring；131st, inclined plane；132nd, clamping plane；14th, upper groove；15th, under
Groove；16th, boll-weevil hanger outer sleeve；17th, the second inner sleeve；21st, the first inner sleeve；22nd, fixes sleeve；30th, actuating sleeve；
31st, annular protrusion；32nd, annular piston portion；33rd, the first fluid injection space；34th, the second fluid injection space；42nd, locating snap ring；51st, bullet is resetted
Spring.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figures 1 to 8, the utility model embodiment provides a kind of peace of underwater vertical production tree boll-weevil hanger
Receiving apparatus is reinstalled, the installation retracting device of underwater vertical production tree boll-weevil hanger includes installing retracting device body, claw 12
With actuating sleeve 30.Claw 12 is multiple, and along installing, retracting device body is circumferentially disposed, and one end of claw 12 can be relative to installation
Retracting device body oscillatory.Actuating sleeve 30 is set in outside installation retracting device body, and actuating sleeve 30 can be along installation retracting device
Be provided with annular protrusion 31 on the axial movement of body, the inwall of actuating sleeve 30, annular protrusion 31 and claw 12 against and can
Driving claw 12 is swung.
By setting claw 12, actuating sleeve 30 and boll-weevil hanger can be locked, be easy to adopt by underwater vertical
The installation retracting device of oil tree boll-weevil hanger is transferred to boll-weevil hanger, when transferring to setting position, actuating sleeve 30
Move up, claw 12 is unlocked with boll-weevil hanger.In the utility model embodiment, above-mentioned claw 12 is 12, and edge is installed back
Receiving apparatus body is circumferentially-spaced uniform.
In the utility model embodiment, install and annular stop clamping projection is provided with retracting device body, claw 12
One end is arranged on the raised lower section of annular stop clamping and can limited with boll-weevil hanger clamping, the other end and the annular of claw 12
Position clamping convex upper portion clamping, the middle part of claw 12 is with the outer surface of annular stop clamping projection against the two ends of claw 12 are equal
It can be swung relative to the middle part of claw 12.
As shown in Fig. 2 above-mentioned claw 12 is shaped as upper and lower ends tilting, middle part towards a side surface of annular protrusion 31
The outer spill (such as V-arrangement) of depression, the two ends of the claw 12 horizontal direction along along Fig. 2 is directed away from installation retracting device body
Direction extension, the middle part of above-mentioned claw 12 and annular stop clamping it is raised against and can in the annular stop clamping projection work
Rotated for pin joint.Above-mentioned annular protrusion 31 is corresponding with the medial recess of claw 12.I.e. when one end of claw 12 is depressed, card
The other end of pawl 12 is tilted, when the other end of claw 12 is depressed, and one end of claw 12 is tilted.Above-mentioned annular protrusion 31 is along peace
The height for reinstalling receiving apparatus body axial direction is a (i.e. in Fig. 3 mark height), above-mentioned claw 12 along installation retracting device body shaft to
Height be b (in Fig. 3 mark height), wherein a is less than b, i.e. annular protrusion 31 along installing retracting device body shaft to moving
When, annular protrusion 31 can make wherein one end of claw 12 be depressed to installation retracting device body direction and make claw 12 in addition
One end is directed away from installing the tilting of retracting device body direction, can be relative in claw 12 with the two ends for ensureing claw 12
Portion is swung.It should be noted that b is more than or equal to 2a.
Certainly, the utility model is not limited to above-described embodiment, as shown in Figure 9 and Figure 10, and the utility model is another to be implemented
One end of claw 12 can install retracting device sheet with boll-weevil hanger clamping, being hingedly fixed in for the other end of claw 12 in example
On body, the installation retracting device of underwater vertical production tree boll-weevil hanger also includes back-moving spring 51, the one end of back-moving spring 51 with
Retracting device body is installed to fix, the fixation of the other end of back-moving spring 51 and claw 12.Wherein, in the utility model embodiment,
The other end of above-mentioned back-moving spring 51 is fixedly connected with the inner surface of claw 12.
When actuating sleeve 30 is moved vertically downwards, the annular protrusion 31 of actuating sleeve 30 is by claw 12 towards installing back
Receiving apparatus body direction is extruded, and compression reseting spring 51, and now claw 12 can be connected and fixed with corresponding boll-weevil hanger.
When the vertically motion upwards of actuating sleeve 30, annular protrusion 31 and the claw 12 of actuating sleeve 30 depart from, in back-moving spring 51
Elastic force effect under, claw 12, which resets, unlocks claw 12 and boll-weevil hanger.
It should be noted that above-mentioned boll-weevil hanger includes the second inner sleeve 17 and the oil being set in outside the second inner sleeve 17
Pipe hanger outer sleeve 16.Wherein, boll-weevil hanger outer sleeve 16 is arranged the upper end for being fixed on the second inner sleeve 17, and oil pipe
A part for hanger outer sleeve 16 is placed in the upper end of the second inner sleeve 17, as shown in Figure 2.In boll-weevil hanger outer sleeve
In axial direction (vertical direction and boll-weevil hanger outer sleeve 16 is axially in parallel in Fig. 2) parallel interval is provided with fovea superior on 16
C-shaped ring 13 is provided with groove 14 and low groove 15, one end clamping of upper groove 14 and claw 12, low groove 15.
Specifically, above-mentioned C-shaped ring 13 has vertically extension and inclined laterally towards the side of actuating sleeve 30
Inclined plane 131, is provided with horizontally disposed clamping plane 132, the C between the inclined plane 131 and the lateral wall of C-shaped ring 13
The lower surface of shape ring 13 is horizontal plane.Because above-mentioned C-shaped ring 13 has certain elasticity, the lower end of above-mentioned actuating sleeve 30 can with it is upper
Inclined plane is stated above-mentioned C-shaped ring 13 is pressed into low groove 15 with merging.
Specifically, C-shaped ring 13 is in normality, and inclined plane 131 and clamping plane 132 are respectively positioned on the outside of low groove 15, work as drive
When rotating ring 30 is moved vertically downwards, lower end and the inclined plane 131 of driving ring 30 coordinate, and make C-shaped ring 13 to low groove 15
Contract, and make the lateral wall of above-mentioned C-shaped ring 13 at least concordant with the top of the groove of low groove 15, to ensure the solution completely of C-shaped ring 13
Lock.When driving ring 30 is vertically moved up, lower end and the C-shaped ring 13 of driving ring 30 depart from, and C-shaped ring 13 is in itself bullet
Return to normal in the presence of power, even if inclined plane 131 and clamping plane 132 are respectively positioned on the outside of low groove 15.
Wherein, annular protrusion 31 has a segment distance, the spacer with the lower end of actuating sleeve 30 in the utility model embodiment
It is adapted from the spacing distance with upper groove 14 and low groove 15.I.e. after claw 12 is pressed into upper groove 14 by annular protrusion 31,
C-shaped ring 13 is also pressed into low groove 15 by the lower end of above-mentioned actuating sleeve 30.
Annular piston portion 32, annular piston portion are fixedly installed on the inwall of actuating sleeve 30 in the utility model embodiment
32 inwall is tightly connected with installing the outer wall of retracting device body, and the top in annular piston portion 32 is provided with for driving annular
The first descending fluid injection space 33 of piston portion 32, the lower section in annular piston portion 32 is provided with for driving annular piston portion 32 up
The second fluid injection space 34.
First fluid injection space 33 and the second fluid injection space 34 are set, it is empty by changing the first fluid injection space 33 and the second fluid injection
Between 34 size so that it is (perpendicular along the axial direction for installing retracting device body to drive annular piston portion 32 to drive actuating sleeve 30 overall
Nogata to) move up and down, and then realize locking and unblock operation.
In the utility model embodiment, the first fluid injection space 33 and the second fluid injection space 34 are respectively provided with oil filler point and oil return
Hole, when carrying out oiling by the pouring orifice in the first fluid injection space 33, the fluid in the second fluid injection space 34 passes through the second fluid injection
The spill port oil extraction in space；When the oiling into the second fluid injection space 34 of the oil filler point by the second fluid injection space 34, the first note
The spill port oil extraction that fluid in liquid space 33 passes through the first fluid injection space.Certainly as needed, above-mentioned first fluid injection space 33
Oil filler point and spill port can use same oilhole, the oil filler point and spill port in above-mentioned second fluid injection space 34 can be used
Same oilhole.
As shown in figure 1, annular piston portion 32 and the upper end of actuating sleeve 30 have a segment distance, the top of actuating sleeve 30, ring
The upper surface of shape piston portion 32 and the outer wall of installation retracting device body are collectively forming the first fluid injection space 33.
Installation retracting device body in the utility model embodiment includes the first inner sleeve 21 and fixes sleeve 22, fixed
Sleeve 22 is arranged on the upper end of the first inner sleeve 21, and actuating sleeve 30 is set in outside the first inner sleeve 21 and fixes sleeve 22.Driving
The upper end and the lower end of fixes sleeve 22 of set 30 are tightly connected.Above-mentioned first fluid injection space 33 is by the top of actuating sleeve 30, annular
The bottom of the upper surface of piston portion 32, the portion of external on the top of the first inner sleeve 21 and fixes sleeve 22 is collectively forming.
It should be noted that the external diameter of the first inner sleeve 21 is identical with the external diameter of the second inner sleeve 17, the first inner sleeve 21
External diameter be less than boll-weevil hanger outer sleeve 16 internal diameter.The upper end of above-mentioned fixes sleeve 22 is used to connect decentralization instrument, for example
Drilling rod etc..
Preferably, annular stop component is provided with the outer wall of the first inner sleeve 21, it is living that annular stop component is located at annular
The lower section of piston part 32, the outer wall of annular stop component is connected with the inner wall sealing of actuating sleeve 30.Annular stop component is set, can
It is spacing apart from carrying out to vertically moving for actuating sleeve 30, it is ensured that actuating sleeve 30 is not fallen out.
Specifically, annular stop component includes the locating snap ring 42 being fixed on the outer wall for installing retracting device body, stop
The outer wall of ring 42 is connected with the inner wall sealing of actuating sleeve 30.In the utility model embodiment, above-mentioned locating snap ring 42 is to be fixed on peace
The loop configuration on the outer wall of receiving apparatus body is reinstalled, the locating snap ring 42 can be adopted with installing the fixed form of retracting device body
With threaded connection or Type of Welding.
As shown in figure 5, the internal partial wall of actuating sleeve 30, the lower surface in annular piston portion 32, the part of the first inner sleeve 21
The upper surface of outer wall and annular stop component is collectively forming the second fluid injection space 34.
As shown in figure 8, the pipe-line that two parallel intervals are set is offered on above-mentioned first inner sleeve 21, it is above-mentioned
Pipe-line is vertically set.Also corresponded on above-mentioned second inner sleeve 17 and offer the oil that two parallel intervals are set
Pipe-line on letter shoot road, the first inner sleeve 21 is corresponding with the pipe-line on the second inner sleeve 17 to be connected
It is logical.
Preferably, the upper end correspondence position in the lower end of the first inner sleeve 21 and the second inner sleeve 17 can be provided with positioning dress
Put, consequently facilitating the lower end of the first inner sleeve 21 and the second inner sleeve 17 carry out abutting joint.
When being worked using the installation retracting device of the underwater vertical production tree boll-weevil hanger in the utility model embodiment,
As shown in Figures 2 to 4, the installation retracting device and oil of underwater vertical production tree boll-weevil hanger are connected on platform
Pipe hanger, opens the hydraulic circuit installed in retracting device of underwater vertical production tree boll-weevil hanger, empty to the first fluid injection
Between inject hydraulic oil in 33, so as to drive above-mentioned actuating sleeve 30 to move downward, the lower end of actuating sleeve 30 is moved at C-shaped ring 13,
And shrink C-shaped ring 13, now, claw 12 in the presence of annular protrusion 31 with the clamping of upper groove 14 so that underwater vertical
The installation retracting device of production tree boll-weevil hanger reaches locking state with boll-weevil hanger.
As shown in Figures 5 to 7, by the installation retracting device and boll-weevil hanger one of underwater vertical production tree boll-weevil hanger
Rise after decentralization to well head, unlock the installation retracting device of underwater vertical production tree boll-weevil hanger, detailed process is as follows：Open water
Under vertical production tree boll-weevil hanger install retracting device in hydraulic circuit, make hydraulic oil enter the second fluid injection space 34,
Actuating sleeve 30 is moved upwards under the driving of hydraulic pressure.Now, the claw 12 of boll-weevil hanger separates with upper groove 14 and realizes solution
Lock.Actuating sleeve 30 is continued up, and lower end and the C-shaped ring 13 of actuating sleeve 30 depart from, so that C-shaped ring 13 is from low groove 15
Deviate from by its own resilient.Now, the installation retracting device and boll-weevil hanger of underwater vertical production tree boll-weevil hanger are completed
Unblock.
The process that boll-weevil hanger is connected with well head：While actuating sleeve 30 is moved upwards, the C-shaped on boll-weevil hanger
After the lower end of ring 13 and actuating sleeve 30 departs from, C-shaped ring 13 affranchises state, C-shaped ring 13 in the presence of its own resilient outwards
It is flared in the groove (not shown) on well head, boll-weevil hanger is locked on well head.
The removal process of boll-weevil hanger：By the installation retracting device of underwater vertical production tree boll-weevil hanger transfer to
After boll-weevil hanger is in contact, the hydraulic circuit installed in retracting device of underwater vertical production tree boll-weevil hanger, liquid are opened
Force feed enters the first fluid injection space 33, and actuating sleeve 30 is moved downward, lower end and the C-shaped ring 13 of boll-weevil hanger when actuating sleeve 30
After contact, above-mentioned C-shaped ring 13, to contract, is completed the unblock of boll-weevil hanger and well head by axial force.Meanwhile, oil pipe
The claw 12 of hanger and the clamping of upper groove 14, complete the installation retracting device and oil pipe of underwater vertical production tree boll-weevil hanger
The locking of hanger.Now be lifted up the installation retracting device of underwater vertical production tree boll-weevil hanger can reclaim oil pipe hang
Hanging device.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：Pass through
Annular groove coordinates clamping with claw, actuating sleeve can be locked with boll-weevil hanger, be easy to recover the oil by underwater vertical
The installation retracting device of tree boll-weevil hanger is transferred to boll-weevil hanger, and when transferring to setting position, actuating sleeve is moved up,
Claw is set to be unlocked with boll-weevil hanger.
Hydraulic circuit is reduced, it is simple in construction；It is easy to operate, boll-weevil hanger and underwater vertical production tree can be completed simultaneously
The unblock of the installation retracting device of boll-weevil hanger and two actions of locking of boll-weevil hanger and well head, when reducing installation
Between and risk, improve installation effectiveness, it is ensured that the reliability of installation.
It is described above, only specific embodiment of the utility model, it is impossible to which the scope that utility model is implemented, institute are limited with it
With the displacement of its equivalent assemblies, or the equivalent variations made according to the utility model scope of patent protection and modification, it should all still fall within
The category that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical scheme
Between, can be used with independent assortment between technical scheme and technical scheme.
Claims (11)
1. a kind of installation retracting device of underwater vertical production tree boll-weevil hanger, it is characterised in that the underwater vertical recovers the oil
The installation retracting device of tree boll-weevil hanger includes：
Retracting device body is installed；
Claw (12), claw (12) is multiple, and circumferentially disposed along the installation retracting device body, one end of claw (12) can
Relative to the installation retracting device body oscillatory；
Actuating sleeve (30), is set in outside the installation retracting device body, actuating sleeve (30) can be along the installation retracting device
Annular protrusion (31) is provided with the axial movement of body, the inwall of actuating sleeve (30), annular protrusion (31) is supported with claw (12)
By and can drive claw (12) swing.
2. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 1, it is characterised in that institute
State and annular stop clamping projection is provided with installation retracting device body, one end of the claw (12) is arranged on the annular limit
The raised lower section of position clamping simultaneously can be with boll-weevil hanger clamping, the other end and the annular stop clamping of the claw (12)
Convex upper portion clamping, the middle part of the claw (12) outer surface raised with the annular stop clamping is against the claw
(12) two ends can be swung relative to the middle part of the claw (12).
3. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 2, it is characterised in that card
Pawl (12) is shaped as two ends tilting, the outer spill of medial recess, annular protrusion in face of a side surface of annular protrusion (31)
(31) along install retracting device body shaft to height be a, claw (12) along install retracting device body shaft to height be b,
Wherein a is less than b.
4. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 1, it is characterised in that institute
The installation can be hingedly fixed in boll-weevil hanger clamping, the other end of the claw (12) by stating one end of claw (12)
On retracting device body, the installation retracting device of the underwater vertical production tree boll-weevil hanger also includes back-moving spring, described
Back-moving spring one end is fixed with the installation retracting device body, and the back-moving spring other end is fixed with claw (12).
5. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 1, it is characterised in that drive
Annular piston portion (32) is fixedly installed on the inwall of dynamic set (30), the inwall of annular piston portion (32) reclaims dress with described install
The outer wall for putting body is tightly connected, be provided with above annular piston portion (32) for drive annular piston portion (32) it is descending the
It is provided with below one fluid injection space (33), annular piston portion (32) for driving the second up fluid injection of annular piston portion (32)
Space (34).
6. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 5, it is characterised in that ring
The upper end of shape piston portion (32) and actuating sleeve (30) has a segment distance, the top of actuating sleeve (30), annular piston portion (32)
The outer wall of upper surface and the installation retracting device body is collectively forming the first fluid injection space (33).
7. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 5, it is characterised in that institute
State and annular stop component is provided with the outer wall for installing retracting device body, the annular stop component is located at annular piston portion
(32) lower section, the outer wall of the annular stop component is connected with the inner wall sealing of actuating sleeve (30).
8. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 7, it is characterised in that drive
Internal partial wall, the lower surface of annular piston portion (32), the outer wall of the installation retracting device body and the institute of dynamic set (30)
The upper surface for stating annular stop component is collectively forming the second fluid injection space (34).
9. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 7, it is characterised in that institute
State the locating snap ring (42) that annular stop component includes being fixed on the outer wall of the installation retracting device body, the locating snap ring
(42) outer wall is connected with the inner wall sealing of actuating sleeve (30).
10. on the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 1, boll-weevil hanger
Be provided with upper groove (14) and low groove (15), one end of claw (12) can with upper groove (14) clamping, in low groove (15)
It is provided with C-shaped ring (13), it is characterised in that when claw (12) and the upper groove (14) are in clamped condition, actuating sleeve
(30) C-shaped ring (13) can be pressed into low groove (15) by lower end.
11. the installation retracting device of underwater vertical production tree boll-weevil hanger according to claim 1, it is characterised in that
The installation retracting device body includes the first inner sleeve (21) and fixes sleeve (22), and fixes sleeve (22) is arranged in first
The upper end of sleeve (21), actuating sleeve (30) is set in the first inner sleeve (21) and fixes sleeve (22) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036884.5U CN206545492U (en) | 2017-01-12 | 2017-01-12 | The installation retracting device of underwater vertical production tree boll-weevil hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036884.5U CN206545492U (en) | 2017-01-12 | 2017-01-12 | The installation retracting device of underwater vertical production tree boll-weevil hanger |
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| Publication Number | Publication Date |
|---|---|
| CN206545492U true CN206545492U (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036884.5U Expired - Fee Related CN206545492U (en) | 2017-01-12 | 2017-01-12 | The installation retracting device of underwater vertical production tree boll-weevil hanger |
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| CN (1) | CN206545492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593332A (en) * | 2017-01-12 | 2017-04-26 | 中国石油大学(北京) | Installation and recovery device of underwater vertical Christmas tree tubing hanger |
-
2017
- 2017-01-12 CN CN201720036884.5U patent/CN206545492U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593332A (en) * | 2017-01-12 | 2017-04-26 | 中国石油大学(北京) | Installation and recovery device of underwater vertical Christmas tree tubing hanger |
| CN106593332B (en) * | 2017-01-12 | 2023-01-31 | 中国石油大学(北京) | Installation recovery unit of vertical production tree tubing hanger under water |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171010 Termination date: 20210112 |