CN106593332B - Installation recovery unit of vertical production tree tubing hanger under water - Google Patents
Installation recovery unit of vertical production tree tubing hanger under water Download PDFInfo
- Publication number
- CN106593332B CN106593332B CN201710028314.6A CN201710028314A CN106593332B CN 106593332 B CN106593332 B CN 106593332B CN 201710028314 A CN201710028314 A CN 201710028314A CN 106593332 B CN106593332 B CN 106593332B
- Authority
- CN
- China
- Prior art keywords
- installation
- recovery device
- device body
- annular
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 title claims abstract description 104
- 238000011084 recovery Methods 0.000 title claims abstract description 104
- 238000004519 manufacturing process Methods 0.000 title description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 4
- 241000191291 Abies alba Species 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims description 32
- 239000007924 injection Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 28
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 description 67
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
-
- 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
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
Landscapes
- 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)
- Load-Engaging Elements For Cranes (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an installation and recovery device of an underwater vertical Christmas tree oil pipe hanger, which comprises: installing a recovery device body; the plurality of clamping jaws are arranged along the circumferential direction of the installation and recovery device body, and one end of each clamping jaw can swing relative to the installation and recovery device body; the driving sleeve is sleeved outside the installation and recovery device body, the driving sleeve can move along the axial direction of the installation and recovery device body, an annular bulge is arranged on the inner wall of the driving sleeve, and the annular bulge and the clamping jaw are abutted to each other and can drive the clamping jaw to swing. The oil pipe hanger locking device has the advantages that the driving sleeve and the oil pipe hanger can be locked by arranging the clamping jaws, the oil pipe hanger can be conveniently lowered through the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger, and when the oil pipe hanger is lowered to a set position, the driving sleeve moves upwards to unlock the clamping jaws and the oil pipe hanger.
Description
Technical Field
The invention relates to the field of offshore oil equipment, in particular to an installation and recovery device for an oil pipe hanger of an underwater vertical Christmas tree.
Background
In offshore oil and gas production, an underwater vertical Christmas tree is an important component of an underwater production system. The tubing hanger is a key component in the vertical Christmas tree system and is used as a device for supporting the tubing string and sealing the annular space between the tubing and the casing. Meanwhile, the oil pipe hanging device also plays a role in hanging the weight of the oil pipe, providing an oil flow channel and the like. The safety installation tubing hanger has very important significance.
The existing vertical Christmas tree oil pipe hanger installation and recovery device mainly comprises two hydraulic systems and two driving sleeves. And the locking and unlocking device is respectively used for locking and unlocking the oil pipe hanger and the mounting device, and is used for driving the locking and unlocking of the oil pipe hanger and the wellhead. This makes the recovery device installation operation, structure complicated to installation time is long, and the risk is big, and the reliability is low.
Disclosure of Invention
The invention provides an installation and recovery device of an oil pipe hanger of an underwater vertical Christmas tree, which is used for simplifying the structure of the installation and recovery device and saving the installation time.
The technical scheme adopted by the invention for solving the technical problem is as follows: an installation recovery unit of vertical subsea tree tubing hanger, the installation recovery unit of vertical subsea tree tubing hanger comprising: installing a recovery device body; the plurality of clamping jaws are arranged along the circumferential direction of the installation and recovery device body, and one end of each clamping jaw can swing relative to the installation and recovery device body; the driving sleeve is sleeved outside the installation and recovery device body, the driving sleeve can move along the axial direction of the installation and recovery device body, an annular bulge is arranged on the inner wall of the driving sleeve, and the annular bulge and the clamping jaw are abutted to each other and can drive the clamping jaw to swing.
Further, it is protruding to be provided with the spacing joint of annular on the installation recovery unit body, and the one end setting of jack catch can with the tubing hanger joint in the bellied below of the spacing joint of annular, the other end and the protruding upper portion joint of the spacing joint of annular of jack catch, and the middle part of jack catch supports with the bellied surface of the spacing joint of annular and leans on, and the both ends homoenergetic of jack catch can swing for the middle part of jack catch.
Further, the cross-sectional shape of the claw facing to one side surface of the annular bulge is an outer concave shape with two ends tilted and the middle part depressed, the height of the annular bulge along the axial direction of the installation and recovery device body is a, the height of the claw along the axial direction of the installation and recovery device body is b, and a is smaller than b.
Furthermore, one end of the clamping jaw can be clamped with the oil pipe hanger, the other end of the clamping jaw is hinged and fixed on the installation recovery device body, the installation recovery device of the underwater vertical Christmas tree oil pipe hanger further comprises a reset spring, one end of the reset spring is fixed with the installation recovery device body, and the other end of the reset spring is fixed with one end of the clamping jaw.
Further, an annular piston part is fixedly arranged on the inner wall of the driving sleeve, the inner wall of the annular piston part is connected with the outer wall of the installation recovery device body in a sealing mode, a first liquid injection space used for driving the annular piston part to move downwards is arranged above the annular piston part, and a second liquid injection space used for driving the annular piston part to move upwards is arranged below the annular piston part.
Furthermore, a distance is reserved between the annular piston part and the upper end of the driving sleeve, and a first liquid injection space is formed by the upper part of the driving sleeve, the upper end face of the annular piston part and the part of the outer wall where the recovery device body is installed.
Further, an annular limiting assembly is arranged on the outer wall of the installation and recovery device body and located below the annular piston part, and the outer wall of the annular limiting assembly is connected with the inner wall of the driving sleeve in a sealing mode.
Furthermore, a second liquid injection space is formed by part of the inner wall of the driving sleeve, the lower end face of the annular piston part, part of the outer wall of the installation and recovery device body and the upper end face of the annular limiting assembly.
Further, the annular limiting assembly comprises a stop ring fixed on the outer wall of the installation and recovery device body, and the outer wall of the stop ring is connected with the inner wall of the driving sleeve in a sealing mode.
Furthermore, an upper groove and a lower groove are formed in the oil pipe hanger, one end of the clamping jaw can be clamped with the upper groove, a C-shaped ring is arranged in the lower groove, and when the clamping jaw and the upper groove are in a clamping state, the C-shaped ring can be pressed into the lower groove by the lower end of the driving sleeve.
Furtherly, installation recovery unit body includes first inner skleeve and fixed sleeve, and fixed sleeve sets up the upper end at first inner skleeve, and the drive ways is established outside first inner skleeve and the fixed sleeve.
The oil pipe hanger locking device has the advantages that the driving sleeve and the oil pipe hanger can be locked by arranging the clamping jaws, the oil pipe hanger can be conveniently lowered through the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger, and when the oil pipe hanger is lowered to a set position, the driving sleeve moves upwards to unlock the clamping jaws and the oil pipe hanger.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of an installation and recovery device of an oil pipe hanger of an underwater vertical Christmas tree according to the present invention;
FIG. 2 is a schematic structural view of the installation and recovery device tubing hanger of the subsea vertical tree tubing hanger of the present invention in an unlocked position;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B in FIG. 2;
FIG. 5 is a schematic structural view of the installation and recovery device of the subsea vertical tree tubing hanger of the present invention in a locked position with the tubing hanger;
FIG. 6 is an enlarged view of the portion C of FIG. 5;
FIG. 7 is an enlarged view of the portion D in FIG. 5;
FIG. 8 is a schematic top view of the installation recovery device and tubing hanger of the subsea vertical tree tubing hanger of the present invention;
FIG. 9 is a schematic view of the latch in a locked position in another embodiment of the installation and retrieval apparatus for a subsea vertical tree tubing hanger of the present invention;
fig. 10 is a schematic structural view of a pawl in an unlocked position in another embodiment of the installation and recovery device of the subsea vertical tree tubing hanger of the present invention.
Reference numbers in the figures: 12. a claw; 13. a C-shaped ring; 131. an inclined surface; 132. clamping a plane; 14. an upper groove; 15. a lower groove; 16. a tubing hanger outer sleeve; 17. a second inner sleeve; 21. a first inner sleeve; 22. a fixed sleeve; 30. a drive sleeve; 31. an annular projection; 32. an annular piston portion; 33. a first liquid injection space; 34. a second liquid injection space; 42. a snap ring; 51. a return spring.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 8, an embodiment of the present invention provides an installation and recovery device for an underwater vertical christmas tree tubing hanger, which includes an installation and recovery device body, a jaw 12 and a driving sleeve 30. The jack catch 12 is a plurality of, sets up along installation recovery unit body circumference, and the one end of jack catch 12 can swing for the installation recovery unit body. The driving sleeve 30 is sleeved outside the installation and recovery device body, the driving sleeve 30 can move along the axial direction of the installation and recovery device body, an annular protrusion 31 is arranged on the inner wall of the driving sleeve 30, and the annular protrusion 31 abuts against the clamping jaw 12 and can drive the clamping jaw 12 to swing.
Through setting up jack catch 12, can lock driving sleeve 30 and tubing hanger, be convenient for transfer the tubing hanger through the installation recovery unit of vertical production tree tubing hanger under water, when putting the settlement position down, driving sleeve 30 moves upward, makes jack catch 12 and tubing hanger unblock. In the embodiment of the invention, twelve claws 12 are uniformly distributed at intervals along the circumferential direction of the installation and recovery device body.
In the embodiment of the invention, the installation and recovery device body is provided with an annular limiting clamping protrusion, one end of a clamping jaw 12 is arranged below the annular limiting clamping protrusion and can be clamped with an oil pipe hanger, the other end of the clamping jaw 12 is clamped with the upper part of the annular limiting clamping protrusion, the middle part of the clamping jaw 12 is abutted against the outer surface of the annular limiting clamping protrusion, and both ends of the clamping jaw 12 can swing relative to the middle part of the clamping jaw 12.
As shown in fig. 2, one side surface of the claw 12 facing the annular protrusion 31 is shaped into an outer concave shape (for example, a V shape) with upper and lower ends raised and a middle portion depressed, both ends of the claw 12 extend in a direction away from the installation recovery device body along a horizontal direction in fig. 2, and the middle portion of the claw 12 abuts against the annular limit catch protrusion and can rotate on the annular limit catch protrusion as a hinge point. The annular projection 31 corresponds to a central depression of the jaw 12. That is, when one end of the jaw 12 is pressed down, the other end of the jaw 12 is tilted up, and when the other end of the jaw 12 is pressed down, one end of the jaw 12 is tilted up. The height of the annular protrusion 31 in the axial direction of the installation and recovery device body is a (namely, the height marked in fig. 3), the height of the clamping jaw 12 in the axial direction of the installation and recovery device body is b (namely, the height marked in fig. 3), wherein a is smaller than b, namely, when the annular protrusion 31 moves in the axial direction of the installation and recovery device body, the annular protrusion 31 can enable one end of the clamping jaw 12 to be pressed down towards the direction of the installation and recovery device body and enable the other end of the clamping jaw 12 to tilt towards the direction far away from the direction of the installation and recovery device body, so that the two ends of the clamping jaw 12 can swing relative to the middle of the clamping jaw 12. B is 2a or more.
Of course, the present invention is not limited to the above embodiment, as shown in fig. 9 and 10, in another embodiment of the present invention, one end of the jaw 12 can be clamped with the tubing hanger, the other end of the jaw 12 is hinged and fixed on the installation and recovery device body, the installation and recovery device of the tubing hanger of the underwater vertical christmas tree further comprises a return spring 51, one end of the return spring 51 is fixed with the installation and recovery device body, and the other end of the return spring 51 is fixed with the jaw 12. In the embodiment of the present invention, the other end of the return spring 51 is fixedly connected to the inner side surface of the latch 12.
When the driving sleeve 30 moves downwards along the vertical direction, the annular protrusion 31 of the driving sleeve 30 presses the jaws 12 towards the direction of installing the recovery device body, and compresses the return spring 51, and at the moment, the jaws 12 can be clamped and fixed with the corresponding oil pipe hanger. When the driving sleeve 30 moves upward in the vertical direction, the annular protrusion 31 of the driving sleeve 30 is disengaged from the jaws 12, and the jaws 12 are reset to unlock the jaws 12 from the tubing hanger by the elastic force of the reset spring 51.
It should be noted that the tubing hanger comprises a second inner sleeve 17 and a tubing hanger outer sleeve 16 sleeved outside the second inner sleeve 17. Wherein the tubing hanger outer sleeve 16 is fixedly sleeved on the upper end of the second inner sleeve 17, and a portion of the tubing hanger outer sleeve 16 is disposed over the upper end of the second inner sleeve 17, as shown in fig. 2. An upper groove 14 and a lower groove 15 are arranged on the outer tubing hanger sleeve 16 at intervals in parallel along the axial direction (the vertical direction in fig. 2 is parallel to the axial direction of the outer tubing hanger sleeve 16), the upper groove 14 is clamped with one end of the jaw 12, and a C-shaped ring 13 is arranged in the lower groove 15.
Specifically, the side of the C-shaped ring 13 facing the driving sleeve 30 has an inclined surface 131 extending in the vertical direction and inclined outward, a clamping plane 132 arranged in the horizontal direction is provided between the inclined surface 131 and the outer side wall of the C-shaped ring 13, and the lower surface of the C-shaped ring 13 is a horizontal plane. Since the C-ring 13 has a certain elasticity, the lower end of the driving sleeve 30 can be engaged with the inclined surface and press the C-ring 13 into the lower groove 15.
Specifically, in the normal state of the C-ring 13, the inclined surface 131 and the engagement plane 132 are located outside the lower groove 15, and when the drive ring 30 moves downward in the vertical direction, the lower end of the drive ring 30 engages with the inclined surface 131, so that the C-ring 13 is retracted into the lower groove 15, and the outer side wall of the C-ring 13 is flush with at least the groove top of the lower groove 15, thereby ensuring that the C-ring 13 is completely unlocked. When the drive ring 30 is moved upward in the vertical direction, the lower end of the drive ring 30 is disengaged from the C-ring 13, and the C-ring 13 returns to its normal state by its own elastic force even if the inclined surface 131 and the click flat surface 132 are located outside the lower groove 15.
Wherein the annular protrusion 31 of the present embodiment has a distance from the lower end of the driving sleeve 30, which is adapted to the distance between the upper groove 14 and the lower groove 15. I.e. when the annular protrusion 31 presses the jaws 12 into the upper groove 14, the lower end of the driving sleeve 30 also presses the C-ring 13 into the lower groove 15.
In the embodiment of the present invention, an annular piston portion 32 is fixedly disposed on an inner wall of the driving sleeve 30, the inner wall of the annular piston portion 32 is hermetically connected to an outer wall of the installation and recovery device body, a first liquid injection space 33 for driving the annular piston portion 32 to move downward is disposed above the annular piston portion 32, and a second liquid injection space 34 for driving the annular piston portion 32 to move upward is disposed below the annular piston portion 32.
Set up first notes liquid space 33 and second and annotate liquid space 34, through changing the size of first notes liquid space 33 and second notes liquid space 34 to drive annular piston portion 32 and drive the whole axial (vertical direction) that moves along the installation recovery unit body of driving sleeve 30 and reciprocate, and then realize locking and unblock operation.
In the embodiment of the invention, both the first liquid injection space 33 and the second liquid injection space 34 are provided with oil injection holes and oil return holes, and when oil is injected through an oil injection port of the first liquid injection space 33, oil in the second liquid injection space 34 is discharged through the oil return holes of the second liquid injection space; when oil is injected into the second liquid injection space 34 through the oil injection hole of the second liquid injection space 34, the oil in the first liquid injection space 33 is discharged through the oil return hole of the first liquid injection space. Of course, the oil hole and the oil return hole of the first injection space 33 may be the same oil hole, and the oil hole and the oil return hole of the second injection space 34 may be the same oil hole, as required.
As shown in fig. 1, the annular piston portion 32 is spaced from the upper end of the driving sleeve 30, and the upper portion of the driving sleeve 30, the upper end surface of the annular piston portion 32 and a portion of the outer wall where the recovery device body is installed together form a first injection space 33.
The installation and recovery device body in the embodiment of the invention comprises a first inner sleeve 21 and a fixed sleeve 22, wherein the fixed sleeve 22 is arranged at the upper end of the first inner sleeve 21, and the driving sleeve 30 is sleeved outside the first inner sleeve 21 and the fixed sleeve 22. The upper end of the driving sleeve 30 is hermetically connected with the lower end of the fixed sleeve 22. The first injection space 33 is formed by an upper portion of the drive sleeve 30, an upper end surface of the annular piston portion 32, a partial outer portion of an upper portion of the first inner sleeve 21, and a lower end portion of the fixed sleeve 22.
It should be noted that the outer diameter of the first inner sleeve 21 is the same as the outer diameter of the second inner sleeve 17, and the outer diameter of the first inner sleeve 21 is smaller than the inner diameter of the tubing hanger outer sleeve 16. The upper end of the fixed sleeve 22 is used for connection of a lowering tool, such as a drill pipe or the like.
Preferably, an annular stop assembly is provided on the outer wall of the first inner sleeve 21, below the annular piston portion 32, and the outer wall of the annular stop assembly is in sealing connection with the inner wall of the driving sleeve 30. Set up the spacing subassembly of annular, can carry on spacingly to the longitudinal movement distance of driving sleeve 30, guarantee that driving sleeve 30 can not deviate from.
Specifically, the annular stop assembly includes a stop ring 42 fixed to the outer wall of the installation recovery device body, and the outer wall of the stop ring 42 is in sealing connection with the inner wall of the driving sleeve 30. In an embodiment of the present invention, the stop ring 42 is an annular structure fixed on the outer wall of the installation and recovery device body, and the fixing manner of the stop ring 42 and the installation and recovery device body may be a threaded connection or a welding manner.
As shown in fig. 5, a part of the inner wall of the driving sleeve 30, the lower end surface of the annular piston portion 32, a part of the outer wall of the first inner sleeve 21 and the upper end surface of the annular stop assembly together form a second injection space 34.
As shown in fig. 8, two parallel oil and gas transmission pipelines are disposed on the first inner sleeve 21 at intervals, and the oil and gas transmission pipelines are disposed along a vertical direction. Two oil gas conveying pipelines which are arranged in parallel at intervals are correspondingly arranged on the second inner sleeve 17, and the oil gas conveying pipelines on the first inner sleeve 21 are correspondingly communicated with the oil gas conveying pipelines on the second inner sleeve 17.
Preferably, positioning means may be provided at the lower end of the first inner sleeve 21 and at the upper end of the second inner sleeve 17, respectively, to facilitate the butt-fitting of the lower end of the first inner sleeve 21 and the second inner sleeve 17.
When the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger in the embodiment of the invention is applied to work, as shown in fig. 2 to 4, the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger and the oil pipe hanger are connected on the platform, a hydraulic circuit in the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger is opened, hydraulic oil is injected into the first liquid injection space 33, so that the driving sleeve 30 is driven to move downwards, the lower end of the driving sleeve 30 moves to the C-shaped ring 13, the C-shaped ring 13 is contracted, at the moment, the clamping jaws 12 are tightly clamped with the upper grooves 14 under the action of the annular protrusions 31, and the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger and the oil pipe hanger are locked.
As shown in fig. 5 to 7, after the installation recovery device of the underwater vertical christmas tree tubing hanger and the tubing hanger are lowered to the wellhead together, the installation recovery device of the underwater vertical christmas tree tubing hanger is unlocked, and the specific process is as follows: and (3) opening a hydraulic loop in the installation and recovery device of the oil pipe hanger of the underwater vertical Christmas tree, so that hydraulic oil enters the second liquid injection space 34, and the driving sleeve 30 moves upwards under the driving of hydraulic pressure. At this point, the jaws 12 of the tubing hanger disengage from the upper groove 14 and unlatch. The driving sleeve 30 continues to move upward, and the lower end of the driving sleeve 30 is disengaged from the C-shaped ring 13, so that the C-shaped ring 13 is released from the lower groove 15 by its own elasticity. At this time, the installation and recovery device of the oil pipe hanger of the underwater vertical Christmas tree is unlocked with the oil pipe hanger.
The process of connecting the oil pipe hanger with the wellhead: after the C-shaped ring 13 on the tubing hanger is disengaged from the lower end of the driving sleeve 30 while the driving sleeve 30 moves upward, the C-shaped ring 13 returns to a free state, and the C-shaped ring 13 expands outward into a groove (not shown) on the wellhead under the action of the elastic force of the C-shaped ring 13 to lock the tubing hanger to the wellhead.
The recovery process of the oil pipe hanger comprises the following steps: after the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger is lowered to be in contact with the oil pipe hanger, a hydraulic circuit in the installation and recovery device of the underwater vertical Christmas tree oil pipe hanger is opened, hydraulic oil enters the first liquid injection space 33, the driving sleeve 30 moves downwards, and after the lower end of the driving sleeve 30 is in contact with the C-shaped ring 13 of the oil pipe hanger, the C-shaped ring 13 is contracted inwards under the action of axial force, so that unlocking of the oil pipe hanger and a wellhead is completed. Meanwhile, the claw 12 of the oil pipe hanger is clamped with the upper groove 14, and the locking of the installation and recovery device of the oil pipe hanger of the underwater vertical Christmas tree and the oil pipe hanger is completed. The installation recovery device of the oil pipe hanger of the underwater vertical Christmas tree is lifted upwards at the moment, so that the oil pipe hanger can be recovered.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through annular groove and jack catch cooperation joint, can lock driving sleeve and tubing hanger, be convenient for transfer the tubing hanger through the installation recovery unit of vertical production tree tubing hanger under water, when putting the settlement position down, the driving sleeve shifts up, makes jack catch and tubing hanger unblock.
Hydraulic loops are reduced, and the structure is simple; the unlocking device is simple and convenient to operate, the unlocking of the installation recovery device of the oil pipe hanger and the underwater vertical Christmas tree oil pipe hanger and the locking of the oil pipe hanger and a wellhead can be simultaneously completed, the installation time and risks are reduced, the installation efficiency is improved, and the installation reliability is guaranteed.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (8)
1. An installation recovery unit of an underwater vertical Christmas tree tubing hanger, characterized in that the installation recovery unit of the underwater vertical Christmas tree tubing hanger comprises:
installing a recovery device body;
the clamping jaws (12) are multiple, the clamping jaws (12) are arranged along the circumferential direction of the installation and recovery device body, and one ends of the clamping jaws (12) can swing relative to the installation and recovery device body;
the driving sleeve (30) is sleeved outside the installation and recovery device body, the driving sleeve (30) can move along the axial direction of the installation and recovery device body, an annular bulge (31) is arranged on the inner wall of the driving sleeve (30), and the annular bulge (31) is abutted to the clamping jaw (12) and can drive the clamping jaw (12) to swing;
an annular limiting clamping protrusion is arranged on the installation and recovery device body, one end of a clamping jaw (12) is arranged below the annular limiting clamping protrusion and can be clamped with an oil pipe hanger, the other end of the clamping jaw (12) is clamped with the upper portion of the annular limiting clamping protrusion, the middle of the clamping jaw (12) is abutted against the outer surface of the annular limiting clamping protrusion, and two ends of the clamping jaw (12) can swing relative to the middle of the clamping jaw (12);
the shape of one side surface of the claw (12) facing the annular bulge (31) is an outer concave shape with two raised ends and a concave middle part, the height of the annular bulge (31) along the axial direction of the installation and recovery device body is a, the height of the claw (12) along the axial direction of the installation and recovery device body is b, and a is smaller than b;
an upper groove (14) and a lower groove (15) are formed in the oil pipe hanger, one end of each clamping jaw (12) can be clamped with the upper groove (14), a C-shaped ring (13) is arranged in the lower groove (15), and when the clamping jaws (12) and the upper grooves (14) are in a clamping state, the C-shaped rings (13) can be pressed into the lower grooves (15) by the lower ends of the driving sleeves (30).
2. The installation and recovery device of an underwater vertical Christmas tree tubing hanger according to claim 1, further comprising a return spring, wherein one end of the return spring is fixed with the installation and recovery device body, and the other end of the return spring is fixed with the jaw (12).
3. The installation and recovery device of the underwater vertical Christmas tree oil pipe hanger according to claim 1, characterized in that an annular piston part (32) is fixedly arranged on the inner wall of the driving sleeve (30), the inner wall of the annular piston part (32) is hermetically connected with the outer wall of the installation and recovery device body, a first liquid injection space (33) for driving the annular piston part (32) to move downwards is arranged above the annular piston part (32), and a second liquid injection space (34) for driving the annular piston part (32) to move upwards is arranged below the annular piston part (32).
4. The installation and recovery device of an underwater vertical Christmas tree tubing hanger according to claim 3, characterized in that the annular piston part (32) is at a distance from the upper end of the driving sleeve (30), and the upper part of the driving sleeve (30), the upper end surface of the annular piston part (32) and part of the outer wall of the installation and recovery device body together form a first liquid injection space (33).
5. The installation and recovery device of the subsea vertical Christmas tree tubing hanger of claim 3, wherein an annular limiting component is arranged on the outer wall of the installation and recovery device body, the annular limiting component is located below the annular piston part (32), and the outer wall of the annular limiting component is in sealing connection with the inner wall of the driving sleeve (30).
6. The installation and recovery device of the subsea vertical Christmas tree tubing hanger of claim 5, wherein a part of the inner wall of the driving sleeve (30), the lower end face of the annular piston part (32), a part of the outer wall of the installation and recovery device body and the upper end face of the annular limiting component together form a second liquid injection space (34).
7. The installation and recovery device of an underwater vertical Christmas tree tubing hanger of claim 5, wherein the annular limiting assembly comprises a stop ring (42) fixed on the outer wall of the installation and recovery device body, the outer wall of the stop ring (42) is connected with the inner wall of the driving sleeve (30) in a sealing way.
8. The installation and recovery device of the subsea vertical tree tubing hanger of claim 1, characterized in that the installation and recovery device body comprises a first inner sleeve (21) and a fixed sleeve (22), the fixed sleeve (22) is arranged at the upper end of the first inner sleeve (21), and the driving sleeve (30) is sleeved outside the first inner sleeve (21) and the fixed sleeve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028314.6A CN106593332B (en) | 2017-01-12 | 2017-01-12 | Installation recovery unit of vertical production tree tubing hanger under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028314.6A CN106593332B (en) | 2017-01-12 | 2017-01-12 | Installation recovery unit of vertical production tree tubing hanger under water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106593332A CN106593332A (en) | 2017-04-26 |
| CN106593332B true CN106593332B (en) | 2023-01-31 |
Family
ID=58585678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710028314.6A Active CN106593332B (en) | 2017-01-12 | 2017-01-12 | Installation recovery unit of vertical production tree tubing hanger under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593332B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217996B (en) * | 2017-08-02 | 2019-01-01 | 中国海洋石油集团有限公司 | A kind of ocean compliant riser quick-release system |
| CN112324371B (en) * | 2020-12-09 | 2022-09-02 | 重庆前卫科技集团有限公司 | Tool for feeding and recovering tubing hanger of underwater Christmas tree |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561499A (en) * | 1984-08-13 | 1985-12-31 | Vetco Offshore, Inc. | Tubing suspension system |
| CN204646155U (en) * | 2015-05-05 | 2015-09-16 | 中国石油大学(华东) | A kind of boll-weevil hanger transfers instrument locking claw |
| CN205669385U (en) * | 2016-06-20 | 2016-11-02 | 重庆前卫海洋石油工程设备有限责任公司 | Boll-weevil hanger promptly reclaims instrument |
| CN206545492U (en) * | 2017-01-12 | 2017-10-10 | 中国石油大学(北京) | The installation retracting device of underwater vertical production tree boll-weevil hanger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20015954A (en) * | 2001-12-05 | 2003-03-17 | Fmc Kongsberg Subsea As | Pipe coupling |
-
2017
- 2017-01-12 CN CN201710028314.6A patent/CN106593332B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561499A (en) * | 1984-08-13 | 1985-12-31 | Vetco Offshore, Inc. | Tubing suspension system |
| CN204646155U (en) * | 2015-05-05 | 2015-09-16 | 中国石油大学(华东) | A kind of boll-weevil hanger transfers instrument locking claw |
| CN205669385U (en) * | 2016-06-20 | 2016-11-02 | 重庆前卫海洋石油工程设备有限责任公司 | Boll-weevil hanger promptly reclaims instrument |
| CN206545492U (en) * | 2017-01-12 | 2017-10-10 | 中国石油大学(北京) | The installation retracting device of underwater vertical production tree boll-weevil hanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106593332A (en) | 2017-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11203910B2 (en) | Casing hanger and annulus sealing device running tool for deepwater drilling, and method for using the same | |
| US3974875A (en) | Underwater well completion method and apparatus | |
| US7234528B2 (en) | Multi-purpose sleeve for tieback connector | |
| CN104334823B (en) | There is well site adapter and its using method of piston drive sleeve | |
| US9708875B2 (en) | Wellhead pressure plug | |
| CN110359843B (en) | Suction anchor type surface layer well construction device suitable for deep water natural gas hydrate exploitation | |
| US5273376A (en) | Back-up connector release tool | |
| NO20131708A1 (en) | connector | |
| US9695657B2 (en) | Downhole latch assembly | |
| CN103225486A (en) | Dual metal seal system | |
| CN106593332B (en) | Installation recovery unit of vertical production tree tubing hanger under water | |
| CN107269244B (en) | Annular seal assembly | |
| CN204646155U (en) | A kind of boll-weevil hanger transfers instrument locking claw | |
| US3986729A (en) | Connecting apparatus | |
| CA2956910A1 (en) | System for setting and retrieving a seal assembly | |
| US7392840B2 (en) | Method and means to seal the casing-by-casing annulus at the surface for reverse circulation cement jobs | |
| CN102817575A (en) | Downhole blow-out preventer with automatic controlling and anchoring function | |
| US20050121198A1 (en) | Subsea completion system and method of using same | |
| EP3309352B1 (en) | Extender jumper system and method | |
| CN116927675A (en) | Blowout prevention connector with pressure release mechanism for oil pump | |
| NO339206B1 (en) | Device at subsea wellhead | |
| GB2225798A (en) | Removable guide post | |
| BR112017012333B1 (en) | SUBSEA WELL CONNECTOR AND CONNECTION METHOD OF A TUBULAR MEMBER | |
| CN113356786B (en) | Bidirectional slip packer using fishing spear to unseal and force releasing | |
| CN107882532B (en) | Packer with high compression resistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |