CN218809941U - Movable butt joint device for installing wellhead blowout preventer stack - Google Patents

Movable butt joint device for installing wellhead blowout preventer stack Download PDF

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Publication number
CN218809941U
CN218809941U CN202222771719.8U CN202222771719U CN218809941U CN 218809941 U CN218809941 U CN 218809941U CN 202222771719 U CN202222771719 U CN 202222771719U CN 218809941 U CN218809941 U CN 218809941U
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CN
China
Prior art keywords
butt joint
hanger rail
butt
blowout preventer
rail
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CN202222771719.8U
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Chinese (zh)
Inventor
彭光杰
郑雪坤
徐洪波
霍尚骏
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Sinopec Oilfield Service Corp
Sinopec East China Petroleum Engineering Corp
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Sinopec Oilfield Service Corp
Sinopec East China Petroleum Engineering Corp
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Priority to CN202222771719.8U priority Critical patent/CN218809941U/en
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Abstract

The utility model discloses a movable butt joint device for installing a wellhead blowout preventer stack, which comprises two drilling machine hanger rails, wherein the two drilling machine hanger rails are respectively hung with a blowout preventer hoisting and moving device, the two drilling machine hanger rails are mutually fixed below a drilling platform in parallel, the outer ends of the drilling machine hanger rails are respectively provided with butt joint hanger rails, and the butt joint hanger rails are fixed below the drilling platform through lifting lugs; two ends of the two butt-joint hanger rails are connected through the connecting cross beams, the middle sections of the two connecting cross beams are connected with the vertical hangers, the lower ends of the two vertical hangers are connected with the horizontal bearing seat, and the central lines of the horizontal bearing seat and the vertical hangers and the central line between the two drilling machine hanger rails are positioned in the same vertical plane; the width of the horizontal bearing seat is larger than the outer edges of the two butt-joint hoisting rails in the width direction, and the top surface of the horizontal bearing seat is flush with the bottom of the blowout preventer hoisting moving device; the ends of the two butt-joint hanger rails far away from the hanger rail of the drilling machine are respectively welded with a baffle. The device is convenient to install and transport, installation time can be shortened, labor intensity of workers is reduced, and operation safety is improved.

Description

Movable butt joint device for installing wellhead blowout preventer stack
Technical Field
The utility model relates to an installation of well head blowout preventer stack is with removing interfacing apparatus belongs to well drilling appurtenance technical field.
Background
The wellhead blowout preventer is used for closing a wellhead in the operation processes of drilling, oil extraction and the like to prevent blowout accidents, and is a common safe sealing wellhead device for preventing blowout in an oil field. The system generally comprises a full-seal ram, a semi-seal ram, an annular blowout preventer and the like, wherein the semi-seal ram, the full-seal ram and the annular blowout preventer are generally installed above a wellhead cross joint from bottom to top and are positioned below a drilling platform. Different types of wellsites may differ in the combination of wellhead blowout preventers.
The conventional method for installing a wellhead blowout preventer is to hang a drilling rig hanger rail below a drilling platform, wherein the hanger rail is usually made of I-steel and is aligned with a wellhead and is about 7 meters away from the ground. The hoisting and moving device of the blowout preventer is arranged on the hanger rail, the upper part of the hoisting and moving device of the blowout preventer is hung on the lower edge of the hanger rail through a roller, the hoisting and moving device of the blowout preventer can translate along the hanger rail through the roller, the hoisting and moving device of the blowout preventer is provided with a steel wire rope hoisting mechanism and a hydraulic system, the hoisting and moving of the steel wire rope and the translation of the hoisting and moving device of the blowout preventer are driven by the hydraulic system, and the blowout preventer is hung on the lower end of the steel wire rope in a suspending manner, lifted and translated to the position right above the wellhead and installed. Because the bearing capacity of the single-track and single blowout preventer hoisting and moving device is limited, the wellhead blowout preventers need to be installed one by one, the assembly is completed at the wellhead, the operation period is long, the installation efficiency is low, the requirement for the assembly of the wellhead is high, the installation difficulty is high, and the labor intensity of workers is high.
In order to improve the installation efficiency of the wellhead blowout preventer, the assembly of the wellhead blowout preventer assembly is expected to be completed on the ground, and the wellhead blowout preventer assembly is integrally hoisted. The two hanger rails are respectively hung with a blowout preventer hoisting and moving device, and the steel wire ropes of the two blowout preventer hoisting and moving devices symmetrically suspend a wellhead blowout preventer group to synchronously hoist, translate and descend in place. Therefore, the installation efficiency of the wellhead blowout preventer stack can be greatly improved. Such a solution still has the following disadvantages:
1. the lifting rail is 7 meters away from the ground, the blowout preventer lifting and moving device is arranged on the lifting rail in high altitude, the workload is very large, in addition, the installation amount of parts, such as hydraulic pipelines and other scattered parts, which need to be connected up and down is also very large, two sets of parts need to be arranged, the labor intensity of workers is high, the safety is poor, and the safety belongs to high altitude operation;
2. after the wellhead blowout preventer group is installed, the two blowout preventer hoisting and moving devices need to be translated away from the wellhead and are in a waiting state on the hanger rail, and all rollers of the blowout preventer hoisting and moving devices are always in a suspension stress state;
3. when a well site is transferred, the blowout preventer hoisting mobile devices need to be dismounted from respective hanger rails, and high-altitude operation is also needed twice, so that the labor intensity is high, and the safety is poor;
4. in the transportation and transfer process of the two blowout preventers hoisting and moving device, hydraulic pipelines, joints and other parts and tools are easy to lose, property loss is caused, and the operation period is delayed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a well head blowout preventer stack installation with removing interfacing apparatus, installation transportation is convenient, can shorten installation time, alleviates workman's intensity of labour, reduces high altitude construction's risk, improves the operation security.
In order to solve the technical problem, the utility model discloses a movable docking device is used in installation of wellhead blowout preventer stack, including two horizontal rig hanger rails that have blowout preventer hoist and mount mobile device hung respectively, two rig hanger rails are fixed in drilling platform's below in parallel to each other, and use the well head as central symmetry setting, and the outer end of two rig hanger rails is equipped with the butt joint hanger rail that shares the axis with it and smooth transition respectively, and the top of two butt joint hanger rails is equipped with butt joint hanger rail lug respectively, butt joint hanger rail lug passes through the bolt fastening in drilling platform's below; the two ends of the two butt-joint hanger rails are respectively connected into a whole through the connecting cross beams, the middle sections of the two connecting cross beams are respectively connected with the vertical hangers extending downwards, the lower ends of the two vertical hangers are connected with the horizontal bearing seat, and the central lines of the horizontal bearing seat and the vertical hangers and the central line between the two drill hanger rails are positioned in the same vertical plane; the width of the horizontal bearing seat is larger than the outer edges of the two butt-joint hoisting rails in the width direction, and the top surface of the horizontal bearing seat is flush with the bottom of the blowout preventer hoisting moving device; the ends of the two butt-joint hanger rails far away from the hanger rail of the drilling machine are respectively welded with a baffle.
As the utility model discloses an improvement, the rig hanger rail is I-steel or H shaped steel roof beam with the butt joint hanger rail, the web of rig hanger rail and butt joint hanger rail docks each other through the butt joint hypotenuse, the upper and lower pterygoid lamina of rig hanger rail and butt joint hanger rail docks each other through the horizontal straight seam.
As a further improvement, the butt joint bevel edge of the drill hanger rail is of a narrow-top and wide-bottom structure, and the butt joint bevel edge of the butt joint hanger rail is of a wide-top and narrow-bottom structure.
As a further improvement, the symmetrical welding in web end both sides of butt joint hanger rail has the centering stopper that surpasss its butt joint hypotenuse, and the lower edge symmetry of stopper socket joint end is equipped with under the narrow width wedge chamfer down in two pairs.
As a further improvement, the butt joint hypotenuse of rig hanger rail is 45 contained angles rather than lower pterygoid lamina, the butt joint hypotenuse of butt joint hanger rail is 45 contained angles with its upper pterygoid lamina.
As the utility model discloses a further improvement, the butt joint end top of rig hanger rail is equipped with rig hanger rail lock ear, the butt joint end top of butt joint hanger rail is equipped with butt joint hanger rail lock ear, when butt joint hanger rail and rig hanger rail butt joint, rig hanger rail lock ear aligns and pegs graft with the pinhole of butt joint hanger rail lock ear and has the lockpin.
As a further improvement, the butt joint hanger rail lock lug includes two that are parallel to each other, the rig hanger rail lock lug inserts between two butt joint hanger rail lock lugs.
As a further improvement, the welding of last pterygoid lamina below of butt joint hanger rail butt joint end has stop gear, stop gear sets up at the web bilateral symmetry of butt joint hanger rail, stop gear includes downwardly extending's a pair of spacing riser, the spacing bottom plate that the level extends is welded respectively to spacing riser's lower part, highly can supply preventer hoist and mount mobile device's gyro wheel to pass through under spacing bottom plate's the bottom and the butt joint hanger rail between the pterygoid lamina, spacing bottom plate's middle part is equipped with spacing jack, spacing bolt has been pegged graft in the spacing jack, spacing bolt's lower extreme connects soon on the lower pterygoid lamina of butt joint hanger rail.
As a further improvement, the one end that rig hanger rail was kept away from to horizontal bearing seat surpasses the end of butt joint hanger rail, and install the switch board.
As a further improvement of the utility model, two be equipped with the toolbox between the vertical gallows, the bottom sprag of toolbox is in the middle part of level bearing seat, the top of toolbox articulates there is the case lid that can open and close.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: 1. the existing defects of single hoisting of the wellhead blowout preventer, high-altitude operation and high labor intensity are overcome, so that the blowout preventer is greatly convenient to mount and dismount, and the wellhead blowout preventer has the characteristics of simplicity in operation, reliability and safety;
2. the hoisting of the hoisting moving device of a single blowout preventer is changed into integral installation in groups, so that the operation safety is improved on the basis of improving the installation efficiency;
3. the device greatly shortens the installation time, lightens the labor intensity of workers, and can save 32 working hours by installing one group of four people each time;
4. the integrated design is convenient to install and transport, and the transportation problem that parts such as hydraulic pipes, joints and the like are easy to lose is solved;
5. convenient to use, safe and reliable can reduce drilling crew manufacturing cost and operation risk, generally adapts to the drilling crew of different work areas construction, can be used to use widely on a large scale.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
FIG. 1 is a front view of the movable docking assembly for installing a wellhead blowout preventer stack according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is the utility model discloses the installation of well head blowout preventer stack is with removing interfacing apparatus's perspective view.
In the figure: 1. a drilling machine hanger rail; 1a, locking lugs of a hanging rail of a drilling machine; 2. butting the hanger rails; 2a, butting a hanger rail locking lug; 2b, butting the hanger rail lifting lug; 2c, a baffle; 2d, centering a limiting block; 2d1, chamfering in a wedge shape; 3. a lock pin; 4. connecting the cross beam; 5. a vertical hanger; 6. a horizontal bearing seat; 7. a limiting mechanism; 7a, a limit bolt; 8. a tool box; 8a, a box cover; 8b, supporting rods of the box body; 9. a control cabinet.
Detailed Description
In the following description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not mean that the device must have a specific orientation.
As shown in fig. 1 to 5, the utility model discloses a well head blowout preventer stack installation is with removing interfacing apparatus is including hanging two horizontally rig hanger rails 1 of blowout preventer hoist and mount mobile device separately, two rig hanger rails 1 are parallel to each other and are fixed in drilling platform's below, and use the well head to set up as central symmetry, two rig hanger rails 1's outer end is equipped with the butt joint hanger rail 2 with coaxial line and smooth transition thereof respectively, the top of two butt joint hanger rails 2 is equipped with butt joint hanger rail lug 2b respectively, butt joint hanger rail lug 2b passes through the bolt fastening in drilling platform's below.
The two ends of the two butt-jointed hanging rails 2 are connected into a whole through the connecting cross beams 4 respectively, the middle sections of the two connecting cross beams 4 are connected with vertical hanging frames 5 extending downwards respectively, each vertical hanging frame 5 comprises two vertical rods parallel to each other, and a horizontal support and an inclined support are arranged between the two vertical rods and welded into a bent frame. The lower ends of the two vertical hanging frames 5 are connected with a horizontal bearing seat 6, and the central lines of the horizontal bearing seat 6 and the vertical hanging frames 5 and the central line between the two drilling machine hanging rails 1 are positioned in the same vertical plane.
The width of the horizontal bearing seat 6 is larger than the outer edges of the two butt-joint hoisting rails 2 in the width direction, and the horizontal bearing seat is used as a base of a blowout preventer hoisting moving device. The top surface of horizontal bearing seat 6 and preventer hoist and mount mobile device's bottom parallel and level, its one end top surface that is close to rig hanger rail 1 is equipped with the arc chamfer to when preventer hoist and mount mobile device marchd to butt joint hanger rail 2 through the gyro wheel from rig hanger rail 1 on, preventer hoist and mount mobile device's foot stool bottom slided smoothly to horizontal bearing seat 6 on. During the idle period, the weight of the hoisting and moving device of the blowout preventer is borne by the horizontal bearing seat 6, and the roller and the lower wing plate of the butt-joint hanging rail 2 are not stressed any more.
The drilling machine hanger rail 1 and the butt joint hanger rail 2 are both I-steel or H-shaped steel beams, the middle part is vertical, and the upper part and the lower part are horizontal wing plates. The web plates of the drilling machine hanger rail 1 and the butt-joint hanger rail 2 are mutually butted through butt-joint bevel edges, the butt-joint bevel edges have a guiding function, the butt-joint is convenient to carry out butt joint during installation, butt joints of an upper wing plate and a lower wing plate are staggered, and the drilling machine hanger rail 1 and the upper wing plate and the lower wing plate of the butt-joint hanger rail 2 are mutually butted through horizontal straight joints.
The butt joint bevel edge of the drill hanger rail 1 is of a structure with a narrow top and a wide bottom, and the butt joint bevel edge of the butt joint hanger rail 2 is of a structure with a wide top and a narrow bottom. The butt-joint bevel edge of the drill hanging rail 1 and the lower wing plate thereof can form an included angle of 45 degrees, and the butt-joint bevel edge of the butt-joint hanging rail 2 and the upper wing plate thereof also form an included angle of 45 degrees.
Two sides of the web plate end of the butt-joint hanger rail 2 are symmetrically welded with centering limit blocks 2d exceeding the butt-joint bevel edge, and the lower edges of the socket ends of the two pairs of centering limit blocks 2d are symmetrically provided with wedge-shaped chamfers 2d1 with narrow upper parts and wide lower parts. When the butt joint hanger rail 2 is close to the drill hanger rail 1, the two pairs of middle limiting blocks 2d are firstly clamped on two sides of a web plate of the drill hanger rail 1, and the wedge-shaped chamfers 2d1 are convenient to be embedded into two sides of a butt joint bevel edge below.
When the butt joint hanger rail 2 is in butt joint with the drill hanger rail 1, the drill hanger rail lock lug 1a is aligned with a pin hole of the butt joint hanger rail lock lug 2a and is inserted with a lock pin 3, so that the drill hanger rail 1 is fixedly connected with the butt joint hanger rail 2 and cannot be accidentally separated or dislocated, and the blowout preventer hoisting moving device can move in and out between the drill hanger rail 1 and the butt joint hanger rail 2.
The butt joint hanger rail lock lug 2a comprises two parallel pieces, the hanger rail lock lug 1a of the drilling machine is inserted between the two butt joint hanger rail lock lugs 2a, and the male and female lock lugs can also play an auxiliary centering role during butt joint.
The ends of the two butt-joint hanger rails 2 far away from the rig hanger rail 1 are respectively welded with a baffle 2c, so that the blowout preventer hoisting moving device is prevented from sliding out from the tail end.
The welding of the upper limb board below of butt joint hanger rail butt joint end has stop gear 7, stop gear 7 sets up at the web bilateral symmetry of butt joint hanger rail 2, stop gear 7 includes downwardly extending's a pair of spacing riser, the lower part of spacing riser is welded respectively has the spacing bottom plate of horizontal extension, highly can supplying preventer hoist and mount mobile device's gyro wheel to pass through between the bottom of spacing bottom plate and the butt joint hanger rail lower limb board, the middle part of spacing bottom plate is equipped with spacing jack, spacing bolt 7a has been pegged graft in the spacing jack, spacing bolt 7 a's lower extreme connects on the lower limb board of butt joint hanger rail 2 soon.
The one end that the rig hanger rail 1 was kept away from to horizontal bearing seat 6 surpasss the end of butt joint hanger rail 2, and installs switch board 9, and switch board 9 follows and transports together, saves the trouble of hoist and mount repeatedly.
A tool box 8 is arranged between the two vertical hanging frames 5, the bottom of the tool box 8 is supported in the middle of the horizontal bearing seat 6, and the top of the tool box 8 is hinged with a box cover 8a which can be opened and closed. The hydraulic pipes, the joints and other parts used by the blowout preventer hoisting and moving device can be placed in the tool box 8, the parts cannot be lost during transportation, the parts do not need to be transferred up and down during installation, the parts are easy to find, and people can easily set up the parts by standing in the safety cage, so that a large amount of time is saved, and the labor intensity is reduced.
The box body supporting rods 8b are welded between the upper parts of the two side walls of the tool box 8 in the width direction and the butt-joint hanging rail 2 on the same side, and the box body supporting rods 8b on the two sides can be welded in a splayed mode, so that the tool box 8 is more stable.
The working steps of the device are as follows: 1. the butting device is positioned on the ground, the blowout preventer hoisting and moving devices are respectively arranged on the two butting hanger rails 2, the upper parts of the blowout preventer hoisting and moving devices are hung on the lower wing plates of the butting hanger rails 2 through rollers, and the bottoms of the blowout preventer hoisting and moving devices are supported on the horizontal bearing seats 6. The blowout preventer hoisting moving device is provided with a steel wire rope hoisting mechanism and a hydraulic system, and the hoisting of the steel wire rope and the translation of the blowout preventer hoisting moving device are driven by the hydraulic system.
2. And a limiting bolt 7a is inserted into a bottom plate of a limiting mechanism 7 at the butt joint end of the two butt joint hanger rails, the lower ends of the limiting bolts 7a penetrate through unthreaded holes of lower wing plates of the butt joint hanger rails and are locked through nuts, and thus the roller of the blowout preventer hoisting and moving device is locked between the limiting bolt 7a and the baffle 2c.
3. The butt joint device is integrally hoisted through a crane and is in butt joint with the butt joint end of the drill hanger rail 1, firstly, the centering limit block 2d is clamped on two sides of a web plate of the drill hanger rail 1, then the drill hanger rail lock lugs 1a are inserted between the two butt joint hanger rail lock lugs 2a, and the butt joint hanger rail 2 and the drill hanger rail 1 are located on the same axis and gradually close to and butt joint; when the butt joint is accurate, the drilling machine hanger rail locking lug 1a aligns with the pin hole of the butt joint hanger rail locking lug 2a, the lock pin 3 is inserted, and the inserting end of the lock pin 3 is provided with a conical head, so that smooth insertion is facilitated. The butt joint hanger rail 2 is also fixed below the drilling platform through the butt joint hanger rail lifting lug 2b and the bolt.
4. And finishing the assembly and installation of the wellhead blowout preventers on the ground.
5. And (4) disassembling the limiting bolt 7a, hoisting the wellhead blowout preventer group by the steel wire ropes of the two blowout preventer hoisting and moving devices together, and translating the wellhead blowout preventer group to the upper part of the wellhead for installation.
6. After the wellhead blowout preventer group is installed, the two blowout preventer lifting and moving devices respectively return to the butt joint hanger rail 2 from the drill hanger rail 1, the weight of the two blowout preventer lifting and moving devices falls on the horizontal bearing seat 6, and then the limiting bolts 7a are inserted again.
When the well site is moved, the crane is used for hoisting the butt joint device, the steel wire rope is slightly tensioned, the lock pin 3 can be pulled out, and the whole butt joint device is hoisted and landed after the fixing bolt is disassembled.
During transportation, all pipelines, accessory arrangement are put into toolbox 8, and toolbox 8 is also put into to relevant instrument, can not lose during the transportation, and is convenient for seek.
After the blowout preventer is transferred to a new well site, the two blowout preventer hoisting moving devices do not need to be respectively installed at high altitude, the step one and the step two can be omitted, and the step three is directly carried out, so that the operation period is greatly shortened, the labor intensity of workers is reduced, the risk of high altitude operation is reduced, and the operation safety is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (10)

1. The utility model provides a wellhead blowout preventer stack installation is with removing interfacing apparatus, includes two horizontally rig hanger rails that have hung preventer hoist and mount mobile device separately, and two rig hanger rails are parallel to each other and are fixed in drilling platform's below, and use the wellhead as centrosymmetric setting, its characterized in that: the outer end heads of the two drilling machine hanging rails are respectively provided with a butt-joint hanging rail which is coaxial with the two drilling machine hanging rails and is in smooth transition, the top parts of the two butt-joint hanging rails are respectively provided with a butt-joint hanging rail lifting lug, and the butt-joint hanging rail lifting lugs are fixed below the drilling platform through bolts; the two ends of the two butt-joint hanger rails are respectively connected into a whole through the connecting cross beams, the middle sections of the two connecting cross beams are respectively connected with the vertical hangers extending downwards, the lower ends of the two vertical hangers are connected with the horizontal bearing seat, and the central lines of the horizontal bearing seat and the vertical hangers and the central line between the two drill hanger rails are positioned in the same vertical plane; the width of the horizontal bearing seat is larger than the outer edges of the two butting hanger rails in the width direction, and the top surface of the horizontal bearing seat is flush with the bottom of the blowout preventer hoisting moving device; the ends of the two butt-joint hanger rails far away from the hanger rail of the drilling machine are respectively welded with a baffle.
2. The wellhead blowout preventer stack installation mobile docking device according to claim 1, wherein: the drilling machine hanging rail and the butt joint hanging rail are made of I-shaped steel or H-shaped steel beams, web plates of the drilling machine hanging rail and the butt joint hanging rail are in butt joint with each other through butt joint bevel edges, and upper wing plates and lower wing plates of the drilling machine hanging rail and the butt joint hanging rail are in butt joint with each other through horizontal straight seams.
3. The wellhead blowout preventer stack installation mobile docking device according to claim 2, wherein: the butt joint bevel edge of the drill hanger rail is of a structure with a narrow top and a wide bottom, and the butt joint bevel edge of the butt joint hanger rail is of a structure with a wide top and a narrow bottom.
4. The wellhead blowout preventer stack installation mobile docking device according to claim 3, wherein: and two sides of the web plate end of the butt-joint hanger rail are symmetrically welded with centering limit blocks exceeding the butt-joint bevel edge of the web plate end, and the lower edges of the socket ends of the two pairs of the centering limit blocks are symmetrically provided with wedge-shaped chamfers with narrow upper parts and wide lower parts.
5. The wellhead blowout preventer stack installation mobile docking device according to claim 2, wherein: the inclined butt joint edge of the drill hanger rail forms a 45-degree included angle with the lower wing plate of the drill hanger rail, and the inclined butt joint edge of the drill hanger rail forms a 45-degree included angle with the upper wing plate of the drill hanger rail.
6. The wellhead blowout preventer stack installation mobile docking device according to claim 2, wherein: when the butt joint hanger rail is in butt joint with the drill hanger rail, the drill hanger rail locking lug is aligned with a pin hole of the butt joint hanger rail locking lug and is inserted with a locking pin.
7. The wellhead blowout preventer stack installation mobile docking device according to claim 6, wherein: the butt joint hanger rail lock lug comprises two parallel pieces, and the drill hanger rail lock lug is inserted between the two butt joint hanger rail lock lugs.
8. The wellhead blowout preventer stack installation mobile docking device according to claim 2, wherein: the welding of butt joint hanger rail butt joint end's upper limb board below has stop gear, stop gear sets up at the web bilateral symmetry of butt joint hanger rail, stop gear includes downwardly extending's a pair of spacing riser, the lower part of spacing riser is welded respectively has the spacing bottom plate of horizontal extension, highly can supplying preventer hoist and mount mobile device's gyro wheel to pass through between the bottom of spacing bottom plate and the butt joint hanger rail lower limb board, the middle part of spacing bottom plate is equipped with spacing jack, the grafting has spacing bolt in the spacing jack, spacing bolt's lower extreme connects soon on the lower wing board of butt joint hanger rail.
9. The wellhead blowout preventer stack installation mobile docking device according to claim 1, wherein: one end of the horizontal bearing seat, which is far away from the drill hanger rail, exceeds the end head of the butt joint hanger rail, and a control cabinet is installed.
10. The wellhead blowout preventer stack installation mobile docking device according to any one of claims 1 to 9, wherein: a tool box is arranged between the two vertical hanging frames, the bottom of the tool box is supported in the middle of the horizontal bearing seat, and the top of the tool box is hinged with a box cover which can be opened and closed.
CN202222771719.8U 2022-10-20 2022-10-20 Movable butt joint device for installing wellhead blowout preventer stack Active CN218809941U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222771719.8U CN218809941U (en) 2022-10-20 2022-10-20 Movable butt joint device for installing wellhead blowout preventer stack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222771719.8U CN218809941U (en) 2022-10-20 2022-10-20 Movable butt joint device for installing wellhead blowout preventer stack

Publications (1)

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CN218809941U true CN218809941U (en) 2023-04-07

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CN202222771719.8U Active CN218809941U (en) 2022-10-20 2022-10-20 Movable butt joint device for installing wellhead blowout preventer stack

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