CN109899015A - It is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure - Google Patents
It is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure Download PDFInfo
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- CN109899015A CN109899015A CN201910152428.0A CN201910152428A CN109899015A CN 109899015 A CN109899015 A CN 109899015A CN 201910152428 A CN201910152428 A CN 201910152428A CN 109899015 A CN109899015 A CN 109899015A
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Abstract
本发明公开了集成有内置闸板阀及驱动结构的水下油管悬挂器，包括悬挂器本体，悬挂器本体在其中心轴线位置开设有空腔，悬挂器本体顶端设置有紧急回收机构，悬挂器本体底端连接有油管，悬挂器本体外壁设置有卡环、高度调节环，悬挂器本体的空腔外壁设置有电贯穿孔和多个液贯穿孔，悬挂器本体内壁设置有环空通道，环空通道包括水平环空孔Ⅰ、水平环空孔Ⅱ、竖直环空孔Ⅰ和竖直环空孔Ⅱ，竖直环空孔Ⅱ与悬挂器本体底部环空空间连通，水平环空孔Ⅰ设置有闸板阀。本发明的闸板阀通过液压控制，启闭快速简便，同时满足高度调节和紧急回收功能，能够更好地适应海洋油气开发工况，满足水下设备的高可靠性要求。
The invention discloses an underwater oil pipe hanger integrated with a built-in gate valve and a driving structure, including a hanger body, a cavity is opened on the center axis of the hanger body, an emergency recovery mechanism is arranged at the top of the hanger body, and the hanger body is provided with an emergency recovery mechanism. The bottom end of the body is connected with an oil pipe, the outer wall of the hanger body is provided with a snap ring and a height adjustment ring, the outer wall of the cavity of the hanger body is provided with electrical through holes and a plurality of liquid through holes, the inner wall of the hanger body is provided with an annular channel, the ring The empty channel includes a horizontal annular hole I, a horizontal annular hole II, a vertical annular hole I and a vertical annular hole II. The vertical annular hole II is communicated with the annular space at the bottom of the hanger body, and the horizontal annular hole I A gate valve is provided. The gate valve of the invention is hydraulically controlled, opens and closes quickly and easily, satisfies the functions of height adjustment and emergency recovery at the same time, can better adapt to marine oil and gas development conditions, and meets the high reliability requirements of underwater equipment.
Description
Technical field
The invention belongs to offshore oil natural gas drilling and extracting equipment technical field, it is related to being integrated with built-in slide valve and driving knot
The underwater oil pipe hanger of structure.
Background technique
Underwater oil pipe hanger is mainly used to hang tubing weight, sealing wellhead head or production tree latus rectum, provides Accumulation of Hydrocarbon
The channel of production and annular space provides interface and channel for the injection of automatically controlled, hydraulic and chemical agent.The oil pipe suspension of underwater vertical production tree
Device seat is placed in well head head, since needs fashionable under boll-weevil hanger seal production and annulus access, traditional annular plug device
Formula structure needs successively to install and recycle blanking plug, increases activity duration and labor intensity, simultaneously as vertical tree oil pipe is outstanding
The general seat of hanging device is placed on innermost layer casing head, is affected by cementing quality, and boll-weevil hanger requires and submerged production
Tree has higher cooperation precision, thus needs to have function of regulating height thereof.During operation on the sea, in case of fortuitous event causes to control
When hydraulic failure processed, it is desirable that boll-weevil hanger can be realized urgent recycling.
Summary of the invention
The object of the present invention is to provide the underwater oil pipe hangers for being integrated with built-in slide valve and driving structure, can be simultaneously
Meet height adjustment and urgent recycling function.
The technical scheme adopted by the invention is that it is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure,
Including hanger body, axial location offers cavity to hanger body in its center, and hanger body top is provided with promptly
Recovering mechanism, hanger body bottom end are connected with oil pipe, and hanger body outer wall top is provided with snap ring, hanger body outer wall
Lower part is provided with height adjustment ring, and electric through hole and multiple liquid through holes are provided on the cavity outer wall of hanger body, and electricity passes through
Perforation and multiple liquid through holes are equably arranged on same circumference, and electric through hole top and bottom end are sealedly connected with top respectively
Electric connection and lower part electric connection, liquid through hole top and bottom end are sealedly connected with top hydraulic joint respectively and lower hydraulic connects
Head, hanger body inner wall are provided with annulus access, and annulus access includes horizontal annulus bore I, horizontal annulus bore II, vertical annular space
Hole I and vertical annulus bore II, wherein horizontal annulus bore I is connected to horizontal annulus bore II, horizontal annulus bore I, horizontal annulus bore II
It is respectively communicated with vertical annulus bore I normal thereto, vertical annulus bore II, vertical annulus bore I is led directly at the top of hanger body, vertically
Annulus bore II is connected to hanger body bottom annulus space, and horizontal annulus bore I is provided with slide valve.
The features of the present invention also characterized in that
The wirerope of staged narrowed pressurization surface and conical surface pattern is respectively arranged on the cavity wall of hanger body
Mount type face is filled in, pressurization surface is located at cavity wall top, and wirerope plug mount type face is located in the middle part of cavity wall.
Hanger body outer wall bottom is from bottom to top disposed with lip shape metal sealing and sealing II, lip shape metal sealing
By the screw thread baffle ring support limit being threadedly coupled with hanger body, the circumferential direction of screw thread baffle ring is evenly arranged with multiple anti-turn screws
I, the circumferential direction of height adjustment ring is evenly arranged with multiple anti-turn screws II, and height adjustment ring bottom end is set as seat and puts inclined-plane.
Urgent recovering mechanism includes the enhancing ring being threadedly attached on hanger body top shoulder, enhancing ring housing
Equipped with clamping sleeve, clamping sleeve bottom interior wall is bonded with hanger body outer wall, and clamping sleeve is located above snap ring, is opened up on clamping sleeve
There is rectangular opening, hanger body offers mounting groove, and block is provided in rectangular opening, and block is fixed on peace by fixing screws I
In tankage.
Sealing I is provided between enhancing ring and hanger body, enhancing ring, clamping sleeve inner wall are respectively arranged with lock type face
I, lock type face II, clamping sleeve outer wall bottom are provided with the indentation conical surface, and snap ring inner wall is provided with the internal diameter with indentation cone match
The conical surface, snap ring are c-type snap ring, and clamping sleeve inner wall is provided with bulge loop I, and enhancing ring outer wall is provided with bulge loop II, bulge loop I and bulge loop II
Can intersect fastening.
The outer wall of hanger body and enhancing ring contact portion is embedded with anti-rotation guide pad, and anti-rotation guide pad passes through fixed spiral shell
Nail II is connect with hanger body, is contacted on the outside of anti-rotation guide pad with enhancing ring, the outside that anti-rotation guide pad is contacted with enhancing ring
Wall is provided with rectangular channel II, and the corresponding position of enhancing ring inner wall rectangular channel II is provided with rectangular channel I, rectangular channel II and rectangular channel I
Intersect fastening.
Slide valve includes the flashboard chamber for being provided with hanger body side wall, and flashboard chamber is outstanding by being fixed on by fixing screws III
Valve chamber cover board on hanging device ontology blocks, and horizontal annulus bore I passes through flashboard chamber, and flashboard, flashboard and level are provided in flashboard chamber
The axis of annulus bore I is vertical, and the wide face two sides of flashboard are provided with valve seat, and valve seat offers valve seat orifice, and flashboard leptoprosopy two sides are equal
It is provided with arch gib block, flashboard is provided with flashboard hole, and flashboard hole is successively connected to valve seat orifice, horizontal annulus bore I, flashboard connection
There is driving mechanism.
It is provided with sealing VIII and sealing Ⅸ between valve seat and hanger body, is arranged between valve chamber cover board and hanger body
There is sealing III.
Driving mechanism includes the valve rod that bottom end is connect with flashboard, and valve stem tip is connected with driving piston by round nut,
Hanger body side wall offers hydraulic cavities and spring cavity respectively, and valve rod is located in spring cavity, and spring cavity bottom is provided with and hangs
The seal stopper ring that hanging device ontology is connected through a screw thread, is provided with compressed spring on the outside of valve rod, compressed spring be located at seal stopper ring with
It drives between piston, hydraulic cavities pressure cap is provided in hydraulic cavities, hydraulic cavities pressure cap is connected by its centre bore screw thread and hydraulic joint
It connects.
Hydraulic cavities pressure cap is threadedly coupled with hanger body and is provided with sealing VII, drives between piston and hanger body
It is provided with sealing VI, drives and is provided with sealing V between piston and valve rod, be provided between stem bottom and hanger body close
Envelope IV, sealing IV are compressed by seal stopper ring.
The beneficial effects of the present invention are:
The present invention is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure, compact-sized, effectively reduces
Underwater equipment weight；By slide valve hydraulic control, opening and closing is fast and convenient, while meeting height adjustment and urgent recycling function；
Offshore and gas development operating condition can be better adapted to, the high reliability request of underwater equipment is met.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure；
Fig. 2 is the top view for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure；
Fig. 3 is the A-A office for the underwater oil pipe hanger locking state that the present invention is integrated with built-in slide valve and driving structure
Portion's cross-sectional view；
Fig. 4 is the C-C partial sectional view for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure；
Fig. 5 is that the A-A for the underwater oil pipe hanger unlocked state that the present invention is integrated with built-in slide valve and driving structure is cutd open
View；
Fig. 6 is that the bulge loop anti-loose structure for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure is put
Big figure；
Fig. 7 is the anti-rotation guide pad and square for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure
Shape slot enlarged drawing；
Fig. 8 is the B-B partial sectional view for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure；
Fig. 9 is the D-D partial sectional view for the underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure；
Figure 10 is that the present invention is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure and the peace of wirerope plug
Dress figure.
In figure, 1. clamping sleeves, 2. enhancing rings, 3. upper contacts, 4. sealing I, 5.C type snap rings, 6. hanger bodies, 7.
Height adjustment ring, 8. sealings II, 9. lip shape metal sealings, 10. screw thread baffle rings, 11. oil pipe strings, 12. hydraulic joints, 13. lower parts
Hydraulic joint, 14. anti-turn screws I, 15. anti-turn screws II, 16. wirerope plug mount type faces, 17. cavitys, 18. through hole roads,
19. pressurization surface, 20. top hydraulic joints, 21. lock type faces I, 22. lock type faces II, 23. hydraulic cavities pressure caps, 24. is round
Nut, 25. driving pistons, 26. valve rods, 27. compressed springs, 28. seal stopper rings, 29. sealings III, 30. valve chamber cover boards, 31. locks
Plate, 32. gib blocks, 33. flashboard chambers, 34. flashboard holes, 35. sealings IV, 36. spring cavitys, 37. sealings V, 38. sealings VI, 39.
Hydraulic cavities, 40. sealings VII, 41. blocks, 42. fixing screws I, 43. vertical annulus bores I, 44. valve seats, 45. sealings VIII, 46. is close
Envelope Ⅸ, 47. horizontal annulus bores I, 48. vertical annulus bores II, 49. horizontal annulus bores II, 50. valve seat orifices, 51. fixing screws II,
52. anti-rotation guide pad, 53. rectangular channels I, 54. rectangular channels II, 55. bulge loops I, 56. bulge loops II, 57. fixing screws III, 58. installations
Slot, 59. rectangular openings, 60. lower part electric connections, 61. wirerope plugs, 62. put inclined-plane, the 63. indentation conical surfaces, the 64. internal diameter conical surfaces.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The present invention is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure, as depicted in figs. 1 and 2, including
Hanger body 6, axial location offers cavity 17 to hanger body 6 in its center, and 6 top of hanger body is provided with promptly
Recovering mechanism, 6 bottom end of hanger body are connected with oil pipe 11, and 6 outer wall top of hanger body is provided with snap ring 5, hanger sheet
6 outer wall lower part of body is provided with height adjustment ring 7, and 17 outer wall of cavity of hanger body 6 is provided with electric through hole and multiple liquid pass through
Perforation 18, electric through hole and multiple liquid through holes 18 are equably arranged on same circumference, electric through hole top and bottom end difference
It is sealedly connected with upper contact 3 and lower part electric connection 60,18 top of liquid through hole and bottom end are sealedly connected with top liquid respectively
Crimp head 20 and lower hydraulic connector 13,6 inner wall of hanger body are provided with annulus access, and annulus access includes horizontal annulus bore
I, horizontal annulus bore II, vertical annulus bore I and vertical annulus bore II, wherein horizontal annulus bore I 47 is connected to horizontal annulus bore II
49, horizontal annulus bore I 47, horizontal annulus bore II 49 are respectively communicated with vertical annulus bore I 43 normal thereto, vertical annulus bore II
48, straight-through 6 top of hanger body of vertical annulus bore I 43, vertical annulus bore II is connected to hanger body bottom annulus space,
Horizontal annulus bore I 47 is provided with slide valve.
The steel of staged narrowed pressurization surface 19 and conical surface pattern is respectively arranged on 17 wall of cavity of hanger body 6
Cord plug mount type face 16, pressurization surface 19 are located at 17 wall top of cavity, and wirerope plug mount type face 16 is located in 17 wall of cavity
Portion.
6 outer wall bottom of hanger body is from bottom to top disposed with lip shape metal sealing 9 and sealing II 8, lip shape metal
Screw thread baffle ring 10 support limit of the sealing 9 by being threadedly coupled with hanger body 6, the circumferential direction of screw thread baffle ring 10 is evenly arranged with more
A anti-turn screw I 14, the circumferential direction of height adjustment ring 7 is evenly arranged with multiple anti-turn screws II 15, and 7 bottom end of height adjustment ring is set
It is set to seat and puts inclined-plane 62.
As shown in figure 3, urgent recovering mechanism includes the enhancing ring being threadedly attached on 6 top shoulder of hanger body
2, enhancing ring 2 is arranged with clamping sleeve 1 outside, and 1 bottom interior wall of clamping sleeve is bonded with 6 outer wall of hanger body, and clamping sleeve 1 is located at snap ring
5 tops, as shown in figure 4, offer rectangular opening 59 on clamping sleeve 1, hanger body 6 offers mounting groove 58, in rectangular opening 59
It is provided with block 41, block 41 is fixed in mounting groove 58 by fixing screws I 42, and when clamping sleeve 1 is lifted, block 41 is right
It generates blocking, realizes emergency mechanical recycling of the invention.
As shown in figure 5, sealing I 4 is provided between enhancing ring 2 and hanger body 6, enhancing ring 2,1 inner wall of clamping sleeve point
It is not provided with lock type face I 21, lock type face II 22,1 outer wall bottom of clamping sleeve is provided with the indentation conical surface 63, and 5 inner wall of snap ring is set
Be equipped with indentation the conical surface 63 cooperate the internal diameter conical surface 64, snap ring 5 be c-type snap ring, as shown in fig. 6,1 inner wall of clamping sleeve be provided with it is convex
Ring I 55,2 outer wall of enhancing ring are provided with bulge loop II 56, and bulge loop I 55 and bulge loop II 56 can intersect fastening, bulge loop I 55 and convex
Ring II 56 prevents 1 accidental unlocking of clamping sleeve from unclamping.
As shown in fig. 7, the outer wall of hanger body 6 and 2 contact portion of enhancing ring is embedded with anti-rotation guide pad 52, anti-transduction
It is connect to block 52 by fixing screws II 51 with hanger body 6,52 outside of anti-rotation guide pad is contacted with enhancing ring 2, anti-transduction
The lateral wall contacted to block 52 with enhancing ring 2 is provided with rectangular channel II 54, and the corresponding position of 2 inner wall rectangular channel II 54 of enhancing ring is set
It is equipped with rectangular channel I 53, rectangular channel II 54 and rectangular channel I 53 intersect fastening, and rectangular channel II 54 prevents from being promoted with rectangular channel I 53
Ring 2 is loosened with 6 screw thread of hanger body.
As shown in figure 8, slide valve includes the flashboard chamber 33 for being provided with 6 side wall of hanger body, flashboard chamber 33 is by by solid
Determine the valve chamber cover board 30 that screw III 57 is fixed in hanger body 6 to block, be arranged between valve chamber cover board 30 and hanger body 6
There is sealing III 29, as shown in figure 9, horizontal annulus bore I 47 passes through flashboard chamber 33, is provided with flashboard 31, flashboard 31 in flashboard chamber 33
Vertical with the axis of horizontal annulus bore I 47, the wide face two sides of flashboard 31 are provided with valve seat 44, valve seat 44 and hanger body 6 it
Between be provided with sealing VIII 45 and sealing Ⅸ 46, valve seat 44 offers valve seat orifice 50, and 31 leptoprosopy two sides of flashboard are provided with arch
Gib block 32, flashboard 31 are provided with flashboard hole 34, and flashboard hole 34 is successively connected to valve seat orifice 50, horizontal annulus bore I 47, flashboard 31
It is connected with driving mechanism.
Driving mechanism includes the valve rod 26 that bottom end is connect with flashboard 31, and 26 top of valve rod is connected with drive by round nut 24
Piston 25,6 side wall of hanger body offer hydraulic cavities 39 and spring cavity 36 respectively, and valve rod 26 is located in spring cavity 36, bullet
36 bottom of spring chamber is provided with the seal stopper ring 28 being connected through a screw thread with hanger body 6, is provided with compression bullet on the outside of valve rod 26
Spring 27, compressed spring 27 are located between seal stopper ring 28 and driving piston 25, and hydraulic cavities pressure cap 23, liquid are provided in hydraulic cavities 39
Pressure chamber pressure cap 23 is connect by its centre bore screw thread with hydraulic joint 12.
Hydraulic cavities pressure cap 23 is threadedly coupled with hanger body 6 and is provided with sealing VII 40, drives piston 25 and hanger
It is provided with sealing VI 38 between ontology 6, drives and is provided with sealing V 37 between piston 25 and valve rod 26,26 bottom of valve rod and suspension
Sealing IV 35 is provided between device ontology 6, sealing IV 35 is compressed by seal stopper ring 28.
The underwater oil pipe hanger that the present invention is integrated with built-in slide valve and driving structure is primarily adapted for use in underwater vertical and adopts
Oily tree system, working principle are specific as follows:
Before boll-weevil hanger tripping in of the invention, subsea equipment is (containing high-pressure well is oral and inner layers casing
Head) tripping in seabed and complete well cementing operation.
By using the depth of innermost layer casing head in other supporting tools measurement subsea equipment, rotate accordingly
Screw thread on the height adjustment ring 7 of boll-weevil hanger of the invention adjusts the height of height adjustment ring 7, by screwing anti-rotation spiral shell
II 15 are followed closely, height adjustment ring 7 is made to be locked to predetermined position.Pass through the lock on the lock type face II 22 and enhancing ring 2 on clamping sleeve 1
Tight type face I 21 is connect with installation recycling tool, and keeps 5 unlocked state of c-type snap ring shown in Fig. 4.
After boll-weevil hanger of the invention is transferred to subsea equipment, the seat of 7 bottom of height adjustment ring is put tiltedly
Face 62 is contacted with inner layer sleeve head, and sealing II 8, lip shape metal sealing 9 are built with the corresponding sealing surface on casing head with merging respectively
Vertical sealing.Clamping sleeve 1 is pushed by installation recycling tool, is allowed to move a trip straight down, c-type snap ring 5 is in clamping sleeve 1
It is strutted outward under the driving of the bottom indentation conical surface 63, snaps on subsea equipment in corresponding type groove, realize oil pipe suspension
Locking between device and subsea equipment.In 1 folding process of clamping sleeve, bulge loop I 55 on clamping sleeve 1 successively with enhancing ring
Interference contact occurs for the bulge loop II 56 on 2, and generates elastic deformation, as shown in figure 8, final bulge loop I 55 and bulge loop II 56 interlock
It fastens, on clamping sleeve 1 without enough lifting forces, bulge loop I 55 and bulge loop II 56 cannot achieve disengaging, keep compressing
The latched position of set 1 and c-type snap ring 5, prevents accidental unlocking, as shown in Figure 3.
Under water after production tree tripping in, the guide groove of production tree bottom is first circumferential to just, guaranteeing to adopt with anti-rotation guide pad 52
Electric connection, production tree hydraulic joint and its annulus access of the bottom You Shu and upper contact 3, top hydraulic joint in Fig. 2
20 and vertical annulus bore I 43 1 it is a pair of just, slowly decentralization production tree to target position and locks itself into underwater well head and fills later
Set, realize the connection of electric connection, hydraulic joint and annulus access on subsea production tree and boll-weevil hanger, boll-weevil hanger with
The plurality of passages such as the injection of underground chemical agent, storm valve control, down-hole power and communication between production tree are established.Meanwhile
Pressurization surface 19 on the sealing element of subsea production tree and hanger body 6, which cooperates, to be sealed, the production channel of subsea production tree with
The cavity 17 of hanger body 6 is connected to.
During boll-weevil hanger tripping in of the invention, to guarantee pressure isolation, as shown in Figure 10, generally require interim
Wirerope plug 61 is installed, and wirerope plug 61 is locked on wirerope plug mount type face 16.When boll-weevil hanger is smoothly locked
Surely after arriving in subsea equipment, by supporting tool connecting steel wire ropes plug 61, and by it from wirerope plug mount type face 16
Upper unlock, wirerope plug 61 pass through the cavity 17 of hanger body 6 together with supporting tool, recycle through production tree latus rectum.The present invention
Boll-weevil hanger and production tree between production of hydrocarbons Path Setup.
Flashboard 31 is typically in closed state, when boll-weevil hanger carries out functional test or when production needs, needs out
Annulus access is opened, the hydraulic top hydraulic joint 20 through in Fig. 5 of hydraulic Kong Lu is injected into hydraulic cavities 39 on production tree,
Seal VII 40, sealing V 37, sealing VI 38 guarantees hydraulic cavities 39 as an airtight cavity, with hydraulic injection, hydraulic cavities
39 pressure increase, and push driving piston 25 to move down vertically together together with round nut 24, valve rod 26, valve rod 26 pushes flashboard
Flashboard 31 in chamber 33 is moved downward along gib block 32, and the compressed spring 27 in spring cavity 36 is further compressed, until flashboard 31
After reaching target position, flashboard hole 34 is connected to completely with the valve seat orifice 50 on valve seat 44, and slide valve is in the open state at this time.
When needing to close annulus access, released by the top hydraulic joint 20 in Fig. 5 hydraulic in hydraulic cavities 39, with
The reduction of hydraulic pressure, driving piston 25 together with round nut 24, valve rod 26 under the spring-force driven dual of compressed spring 27 erect
It directly moves up, valve rod 26 pulls the flashboard 31 in flashboard chamber 33 to move upwards along flashboard gib block 32, the pressure in spring cavity 36
Contracting spring 27 is restored to initial mounting state, the valve seat orifice 50 after flashboard 31 reaches target position, on flashboard hole 34 and valve seat 44
It is staggered completely, valve seat orifice 50 is blocked by the blind plate of 31 lower part of flashboard, and slide valve is in close state at this time.
When completing to recover the oil or carry out the operations such as well workover, need to recycle boll-weevil hanger.Before recycling, need using mating work
Have connecting steel wire ropes plug 61, transferred through production tree latus rectum, hanger latus rectum 17 and be locked in wirerope plug mount type face 16, seals
Cavity 17 and pipe aperture space every hanger body 6, guarantee underground oil gas are isolated with environment.
When boll-weevil hanger recycling of the invention, installation recycling tool again with the lock type face I 21 on boll-weevil hanger
It is connected with lock type face II 22 and keeps locking, by lifting clamping sleeve 1, be allowed to move up, the bulge loop I for anti-loose effect
55 with bulge loop II 56 after overcoming interference and elastic deformation occur, be mutually disengaged, continue lift clamping sleeve 1, make 1 bottom of clamping sleeve
The indentation conical surface 63 gradually reduced with the 5 internal diameter conical surface of c-type snap ring, 64 contact surface, c-type snap ring 5 is radial under natural resiliency effect
It is contracted to the preceding state of locking, realizes the unlock of boll-weevil hanger and subsea equipment.Installation recycling tool is above mentioned, at this time oil pipe
11 weight is conducted by hanger body 6 to enhancing ring 2, is born without clamping sleeve 1, and final installation recycling tool will be oily
Pipe hanger is recycled to flat surface.
When encountering fortuitous event, cause installation recycling tool hydraulic control failure can be with when can not recycle boll-weevil hanger
The urgent recycling of boll-weevil hanger of the invention is realized using mechanical recycling tool.Specific practice are as follows: tripping in is mechanically recycled
Tool only connect with the lock type face II 22 on boll-weevil hanger and keeps locking, and by lifting clamping sleeve 1, is allowed to moving up
Dynamic, bulge loop I 55 and bulge loop II 56 for anti-loose effect are mutually disengaged after overcoming interference and elastic deformation occurs, continue to mention
Tension and compression fixed 1 gradually reduce the indentation conical surface 63 of 1 bottom of clamping sleeve with the 5 internal diameter conical surface of c-type snap ring, 64 contact surface, work as compression
When the multiple blocks 41 for moving to 59 bottom surface of rectangular opening on set 1 and being fixed in hanger body 6 contact, stopped by limit, c-type card
For ring 5 under natural resiliency effect, radial contraction state to before locking realizes the unlock of boll-weevil hanger and subsea equipment.
Continuing above to mention mechanical recycling tool, the weight of oil pipe 11 is conducted by hanger body 6, block 41 to clamping sleeve 1 at this time,
It is born without enhancing ring 2, boll-weevil hanger is promptly recycled to flat surface by final mechanical recycling tool.
By the above-mentioned means, the present invention is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure, can apply
In being integrated with built-in slide valve and driving structure in deep-sea underwater completion operation, boll-weevil hanger of the invention, annular space can control
Channel opens and closes repeatedly, compact-sized, control response is rapid；Slide valve is designed using fail-safe type, and operation process is safe and reliable；
Have height adjusting function, better adapt to operating condition of cementing the well under water, reduces task difficulty and cost；The urgent recycling function of setting,
Guarantee the controllable recycling under boll-weevil hanger fortuitous event, effectively increases the safety coefficient of underwater equipment, meet marine oil and gas
Exploration and development requirement.
Claims (10)
1. being integrated with the underwater oil pipe hanger of built-in slide valve and driving structure, which is characterized in that including hanger body
(6), axial location offers cavity (17) hanger body (6) in its center, hanger body (6) the top setting
There is urgent recovering mechanism, hanger body (6) bottom end is connected with oil pipe (11), hanger body (6) the outer wall top
It is provided with snap ring (5), hanger body (6) the outer wall lower part is provided with height adjustment ring (7), the hanger body (6)
Cavity (17) outer wall be provided with electric through hole and multiple liquid through holes (18), the electricity through hole and multiple liquid through holes (18)
Equably be arranged on same circumference, it is described electricity through hole top and bottom end be sealedly connected with respectively upper contact (3) and under
Portion's electric connection (60), liquid through hole (18) top and bottom end are sealedly connected with top hydraulic joint (20) and lower part liquid respectively
Crimp head (13), hanger body (6) inner wall are provided with annulus access, and annulus access includes horizontal annulus bore I, horizontal loops
Emptying aperture II, vertical annulus bore I and vertical annulus bore II, wherein horizontal annulus bore I (47) is connected to horizontal annulus bore II (49), institute
State horizontal annulus bore I (47), horizontal annulus bore II (49) is respectively communicated with vertical annulus bore I (43) normal thereto, vertical annular space
Hole II (48), the vertical annulus bore I (43) are led directly at the top of hanger body (6), the vertical annulus bore II (48) and suspension
The connection of device ontology (6) bottom annulus space, the horizontal annulus bore I (47) are provided with slide valve.
2. the underwater oil pipe hanger according to claim 1 for being integrated with built-in slide valve and driving structure, feature exist
In being respectively arranged with staged narrowed pressurization surface (19) and conical-surface type on cavity (17) wall of the hanger body (6)
The wirerope plug mount type face (16) of formula, the pressurization surface (19) are located at cavity (17) wall top, the wirerope plug installation
Type face (16) is located in the middle part of cavity (17) wall.
3. the underwater oil pipe hanger according to claim 1 for being integrated with built-in slide valve and driving structure, feature exist
In hanger body (6) the outer wall bottom is from bottom to top disposed with II (8) of lip shape metal sealing (9) and sealing, described
Lip shape metal sealing (9) is by screw thread baffle ring (10) support limit for being threadedly coupled with hanger body (6), the screw thread baffle ring
(10) circumferential direction is evenly arranged with multiple anti-turn screws I (14), and the circumferential direction of the height adjustment ring (7) is evenly arranged with multiple anti-
Turn screw II (15), and the height adjustment ring (7) bottom end is set as seat and puts inclined-plane (62).
4. the underwater oil pipe hanger according to claim 1 for being integrated with built-in slide valve and driving structure, feature exist
In the urgent recovering mechanism includes the enhancing ring (2) being threadedly attached on hanger body (6) top shoulder, described
It is arranged with clamping sleeve (1) outside enhancing ring (2), clamping sleeve (1) bottom interior wall is bonded with hanger body (6) outer wall, described
Clamping sleeve (1) is located above snap ring (5), offers rectangular opening (59) on the clamping sleeve (1), the hanger body (6) is opened
It equipped with mounting groove (58), is provided with block (41) in the rectangular opening (59), the block (41) is solid by fixing screws I (42)
Due in mounting groove (58).
5. the underwater oil pipe hanger according to claim 4 for being integrated with built-in slide valve and driving structure, feature exist
In being provided with sealing I (4), the enhancing ring (2), clamping sleeve (1) inner wall between the enhancing ring (2) and hanger body (6)
It is respectively arranged with lock type face I (21), lock type face II (22), clamping sleeve (1) the outer wall bottom is provided with the indentation conical surface
(63), snap ring (5) inner wall is provided with the internal diameter conical surface (64) with the indentation conical surface (63) cooperation, and the snap ring (5) is c-type card
Ring, clamping sleeve (1) inner wall are provided with bulge loop I (55), and enhancing ring (2) outer wall is provided with bulge loop II (56), described convex
Ring I (55) and bulge loop II (56) can intersect fastening.
6. the underwater oil pipe hanger according to claim 4 for being integrated with built-in slide valve and driving structure, feature exist
In the outer wall of the hanger body (6) and enhancing ring (2) contact portion is embedded with anti-rotation guide pad (52), the anti-transduction
It is connect to block (52) by fixing screws II (51) with hanger body (6), anti-rotation guide pad (52) outside and enhancing ring
(2) it contacts, the lateral wall that the anti-rotation guide pad (52) contacts with enhancing ring (2) is provided with rectangular channel II (54), the promotion
The corresponding position of ring (2) inner wall rectangular channel II (54) is provided with rectangular channel I (53), the rectangular channel II (54) and rectangular channel I
(53) intersect fastening.
7. the underwater oil pipe hanger according to claim 1 for being integrated with built-in slide valve and driving structure, feature exist
In the slide valve includes the flashboard chamber (33) for being provided with hanger body (6) side wall, and the flashboard chamber (33) is by passing through fixation
Screw III (57) is fixed on the closure of the valve chamber cover board (30) on hanger body (6), and the horizontal annulus bore I (47) passes through flashboard
Chamber (33) is provided with flashboard (31) in the flashboard chamber (33), and the axis of the flashboard (31) and horizontal annulus bore I (47) hangs down
Directly, the flashboard (31) wide face two sides are provided with valve seat (44), and the valve seat (44) offers valve seat orifice (50), the lock
Plate (31) leptoprosopy two sides are provided with arch gib block (32), and the flashboard (31) is provided with flashboard hole (34), the flashboard hole
(34) it is successively connected to valve seat orifice (50), horizontal annulus bore I (47), the flashboard (31) is connected with driving mechanism.
8. the underwater oil pipe hanger according to claim 7 for being integrated with built-in slide valve and driving structure, feature exist
In, be provided between the valve seat (44) and hanger body (6) sealing VIII (45) and sealing Ⅸ (46), the valve chamber cover board
(30) sealing III (29) is provided between hanger body (6).
9. the underwater oil pipe hanger according to claim 7 for being integrated with built-in slide valve and driving structure, feature exist
In the driving mechanism includes the valve rod (26) that bottom end is connect with flashboard (31), and valve rod (26) top passes through round nut
(24) it is connected with driving piston (25), hanger body (6) side wall offers hydraulic cavities (39) and spring cavity (36) respectively,
The valve rod (26) is located in spring cavity (36), and spring cavity (36) bottom, which is provided with, passes through screw thread with hanger body (6)
The seal stopper ring (28) of connection, valve rod (26) outside are provided with compressed spring (27), and the compressed spring (27) is located at close
Between block ring (28) and driving piston (25), hydraulic cavities pressure cap (23), the hydraulic cavities are provided in the hydraulic cavities (39)
Pressure cap (23) is connect by its centre bore screw thread with hydraulic joint (12).
10. the underwater oil pipe hanger according to claim 9 for being integrated with built-in slide valve and driving structure, feature exist
Be threadedly coupled and be provided with sealing VII (40) with hanger body (6) in, hydraulic cavities pressure cap (23), the driving piston (25) with
It is provided with sealing VI (38) between hanger body (6), is provided with sealing V between the driving piston (25) and valve rod (26)
(37), sealing IV (35) is provided between valve rod (26) bottom and hanger body (6), IV (35) of the sealing are by seal stopper ring
(28) it compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152428.0A CN109899015B (en) | 2019-02-28 | 2019-02-28 | Subsea tubing hanger integrated with built-in gate valve and drive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152428.0A CN109899015B (en) | 2019-02-28 | 2019-02-28 | Subsea tubing hanger integrated with built-in gate valve and drive structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109899015A true CN109899015A (en) | 2019-06-18 |
| CN109899015B CN109899015B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910152428.0A Active CN109899015B (en) | 2019-02-28 | 2019-02-28 | Subsea tubing hanger integrated with built-in gate valve and drive structure |
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| CN (1) | CN109899015B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876399A (en) * | 2022-06-02 | 2022-08-09 | 盐城宝通机械科技有限公司 | Dabber formula casing hanger convenient to maintain |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB253887A (en) * | 1925-06-22 | 1927-06-30 | Evence Coppee Et Cie | Improvements in and relating to coke ovens |
| US6378613B1 (en) * | 1999-02-11 | 2002-04-30 | Fmc Corporation | Large bore subsea Christmas tree and tubing hanger system |
| CN101131074A (en) * | 2006-08-23 | 2008-02-27 | 中国石油天然气集团公司 | Hanger of minor-diameter pipe subsurface agent and gas pouring device |
| CN102409992A (en) * | 2011-10-19 | 2012-04-11 | 宝鸡石油机械有限责任公司 | Integrated tubing hanger for underwater horizontal christmas tree |
| CN202249932U (en) * | 2011-09-15 | 2012-05-30 | 宋卫东 | Gate valve under-pressure tapping device for oil field |
| CN102536161A (en) * | 2010-12-22 | 2012-07-04 | 韦特柯格雷公司 | Tubing hanger shuttle valve |
| CN104612627A (en) * | 2015-01-19 | 2015-05-13 | 四川华宇石油钻采装备有限公司 | Oil pipe hanger capable of closing and opening oil pipe passageway |
| GB2535587A (en) * | 2014-12-05 | 2016-08-24 | Vetco Gray Scandinavia As | Landing string for landing a tubing hanger in a production bore of a wellhead |
| US20170037692A1 (en) * | 2015-03-09 | 2017-02-09 | Halliburton Energy Services, Inc. | Setting a Downhole Tool in a Wellbore |
| US9689236B2 (en) * | 2012-12-24 | 2017-06-27 | Steelhaus Technologies, Inc. | Liner hanger |
| US20170306711A1 (en) * | 2016-04-26 | 2017-10-26 | Baker Hughes Incorporated | Hydraulic Whipstock Anchor |
| US20170342795A1 (en) * | 2016-05-31 | 2017-11-30 | Schlumberger Technology Corporation | Expandable downhole seat assembly |
| CN206785340U (en) * | 2017-03-27 | 2017-12-22 | 中国石油大学(北京) | Boll-weevil hanger promptly reclaims instrument |
| CN208502716U (en) * | 2018-07-03 | 2019-02-15 | 苏州道森钻采设备股份有限公司 | A kind of multi-purpose type wellhead assembly |
-
2019
- 2019-02-28 CN CN201910152428.0A patent/CN109899015B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB253887A (en) * | 1925-06-22 | 1927-06-30 | Evence Coppee Et Cie | Improvements in and relating to coke ovens |
| US6378613B1 (en) * | 1999-02-11 | 2002-04-30 | Fmc Corporation | Large bore subsea Christmas tree and tubing hanger system |
| CN101131074A (en) * | 2006-08-23 | 2008-02-27 | 中国石油天然气集团公司 | Hanger of minor-diameter pipe subsurface agent and gas pouring device |
| CN102536161A (en) * | 2010-12-22 | 2012-07-04 | 韦特柯格雷公司 | Tubing hanger shuttle valve |
| CN202249932U (en) * | 2011-09-15 | 2012-05-30 | 宋卫东 | Gate valve under-pressure tapping device for oil field |
| CN102409992A (en) * | 2011-10-19 | 2012-04-11 | 宝鸡石油机械有限责任公司 | Integrated tubing hanger for underwater horizontal christmas tree |
| US9689236B2 (en) * | 2012-12-24 | 2017-06-27 | Steelhaus Technologies, Inc. | Liner hanger |
| GB2535587A (en) * | 2014-12-05 | 2016-08-24 | Vetco Gray Scandinavia As | Landing string for landing a tubing hanger in a production bore of a wellhead |
| CN104612627A (en) * | 2015-01-19 | 2015-05-13 | 四川华宇石油钻采装备有限公司 | Oil pipe hanger capable of closing and opening oil pipe passageway |
| US20170037692A1 (en) * | 2015-03-09 | 2017-02-09 | Halliburton Energy Services, Inc. | Setting a Downhole Tool in a Wellbore |
| US20170306711A1 (en) * | 2016-04-26 | 2017-10-26 | Baker Hughes Incorporated | Hydraulic Whipstock Anchor |
| US20170342795A1 (en) * | 2016-05-31 | 2017-11-30 | Schlumberger Technology Corporation | Expandable downhole seat assembly |
| CN206785340U (en) * | 2017-03-27 | 2017-12-22 | 中国石油大学(北京) | Boll-weevil hanger promptly reclaims instrument |
| CN208502716U (en) * | 2018-07-03 | 2019-02-15 | 苏州道森钻采设备股份有限公司 | A kind of multi-purpose type wellhead assembly |
Non-Patent Citations (2)
| Title |
|---|
| 孙传轩: "水下油管悬挂器贯穿液路测试工具有限元强度分析", 《石油矿场机械》 * |
| 孙传轩: "海洋500m水深水下立式采油树设计开发", 《石油机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876399A (en) * | 2022-06-02 | 2022-08-09 | 盐城宝通机械科技有限公司 | Dabber formula casing hanger convenient to maintain |
| CN114876399B (en) * | 2022-06-02 | 2024-05-14 | 盐城宝通机械科技有限公司 | Dabber formula sleeve pipe hanger convenient to maintain |
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|---|---|
| CN109899015B (en) | 2021-06-15 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200930 Address after: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant after: Baoji Oilfield Machinery Co.,Ltd. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant before: Baoji Oilfield Machinery Co.,Ltd. |
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