CN116044328A - Portal telescopic injection head wellhead support platform and installation method thereof - Google Patents
Portal telescopic injection head wellhead support platform and installation method thereof Download PDFInfo
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- CN116044328A CN116044328A CN202310137745.1A CN202310137745A CN116044328A CN 116044328 A CN116044328 A CN 116044328A CN 202310137745 A CN202310137745 A CN 202310137745A CN 116044328 A CN116044328 A CN 116044328A
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- oil cylinder
- door
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a portal telescopic injection head wellhead supporting platform which comprises a bottom layer prying frame, a portal telescopic mechanism with the bottom end hinged to the bottom layer prying frame and an injection head platform slidably mounted on the portal telescopic mechanism, wherein the bottom layer prying frame comprises a base platform and a lifting cylinder with the end part hinged to the base platform and the portal telescopic mechanism respectively, the injection head platform slides perpendicular to the telescopic direction of the portal telescopic mechanism, and comprises an installation base for installation of an injection head, an inclined cylinder for driving the installation base to rotate, and a transverse sliding cylinder and a longitudinal sliding cylinder for pushing the installation base to move in the horizontal direction. The present invention has the effect of improving the stability and portability of the injector head mounting structure.
Description
Technical Field
The invention relates to the technical field of oil-gas field coiled tubing operation equipment, in particular to a portal telescopic injection head wellhead support platform and an installation method thereof.
Background
The injector head assembly is used as a core component of the coiled tubing equipment, bears the whole weight of the coiled tubing and provides power for the entry and exit of the coiled tubing into and out of the well. In order to avoid the influence of extra additional load on the wellhead caused by the weight of the injection head assembly, the on-site operation is performed in a mode of continuously suspending the injection head by mainly relying on an auxiliary crane, or in a mode of mounting the injection head on a wellhead lifting type operation platform, in a mode of suspending the injection head by adopting a telescopic derrick, and the like, so that the wellhead is effectively shared when in actual operation. However, in the traditional crane suspension mode, the crane lease or purchase cost is high, the crane is lifted for a long time, the pressure release risk exists on the crane arm, the operation cost is high, and the working stability of the injection head is poor; the lifting type operation platform has the advantages that the field assembly and disassembly workload is large, the requirement on the structure of the operation wellhead is high, particularly when the wellhead is provided with a non-detachable platform, the lifting type operation platform cannot be installed, the traditional telescopic type derrick is required to be integrally installed with a chassis truck due to structural limitation, the whole transportation size is large, and the lifting type operation platform cannot be suitable for well site transportation under the road limited condition.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a portal telescopic injection head wellhead support platform and an installation method thereof, which solve the problems that the installation of an injection head in a suspension mode is unstable, and the installation and the disassembly of an injection head lifting type operation platform are inconvenient and difficult to transport in the prior art.
According to the embodiment of the invention, the portal telescopic injection head wellhead supporting platform comprises a bottom layer prying frame, a portal telescopic mechanism with the bottom end hinged to the bottom layer prying frame and an injection head platform slidably mounted on the portal telescopic mechanism, wherein the bottom layer prying frame comprises a base platform and a lifting cylinder with the end part hinged to the base platform and the portal telescopic mechanism respectively, the injection head platform slides perpendicular to the telescopic direction of the portal telescopic mechanism, and comprises an installation base for installation of the injection head, an inclined cylinder for driving the installation base to rotate, and a transverse sliding cylinder and a longitudinal sliding cylinder for pushing the installation base to move in the horizontal direction.
Preferably, a fixed base is arranged on the bottom layer platform, a transverse telescopic supporting leg is arranged on the fixed base in a sliding mode, a lubricator rotating seat is vertically arranged at the bottom of the fixed base in a rotating mode, and the rotating angle of the lubricator rotating seat is 360 degrees.
Preferably, the door type telescopic machanism includes door type fixed leg, middle landing leg, top layer door frame and two-stage telescopic cylinder, and the bottom of door type fixed leg articulates on base platform, and middle landing leg coaxial slidable mounting is in door type fixed leg, and top layer door frame coaxial slidable mounting is on middle landing leg, play to rise the both ends of hydro-cylinder articulate respectively in between base platform and the door type fixed leg, two expansion cylinder's stiff end is connected on middle landing leg, and two expansion cylinder's both ends are articulated with the bottom of door type fixed leg and the top of top layer door frame respectively.
Preferably, the door-type fixed support leg, the middle support leg and the top door frame are all spliced box-type beam structures, guide plates are arranged on the outer walls of the door-type fixed support leg and the middle support leg along the axial direction, and grooves matched with the guide plates are formed in the inner walls of the middle support leg and the top door frame.
Preferably, the injection head platform comprises a guide rail platform and a guide rail sliding oil cylinder, the guide rail platform is in sliding fit with the door-type telescopic mechanism, the guide rail sliding oil cylinder is connected between the guide rail platform and the door-type telescopic mechanism, and the installation base is arranged on the guide rail platform.
Preferably, the guide rail platform is provided with a limiting seat, and the limiting seat is bolted with the door-type telescopic mechanism.
Preferably, the guide rail platform is provided with a supporting platform, two ends of the supporting platform are movably pinned to the guide rail platform, an inclined oil cylinder is arranged between the guide rail platform and the supporting platform, the inclined oil cylinder is close to one end of the supporting platform, the fixed end of the inclined oil cylinder is hinged to the guide rail platform, and the movable end of the inclined oil cylinder is hinged to the supporting platform.
Preferably, the tilt cylinder drives the support platform to rotate by an angle range of + -5 degrees around a movable pin at one end far away from the tilt cylinder.
Preferably, the support platform is provided with a transverse sliding guide rail, a longitudinal sliding guide rail, a transverse sliding oil cylinder, a longitudinal sliding oil cylinder, a rotary bearing, a rotary motor for driving the rotary end of the rotary bearing to rotate, and the installation base is in sliding fit with the support platform, the transverse sliding oil cylinder is arranged between the transverse sliding guide rail and the support platform, the longitudinal sliding guide rail is arranged on a transverse fixed guide rail in a sliding manner, the longitudinal sliding oil cylinder is arranged between the transverse sliding guide rail and the longitudinal sliding guide rail, the fixed end of the rotary bearing is arranged on the longitudinal sliding guide rail, the installation base is arranged on the rotary end of the rotary bearing, and the rotary angle of the rotary bearing is 30 degrees.
A mounting method of a portal telescopic injection head wellhead support platform comprises the following steps: step one, lifting a frame, controlling a lifting oil cylinder to extend out, wherein an output end of the lifting oil cylinder pushes a door-shaped fixed supporting leg to rotate around the bottom end of the door-shaped fixed supporting leg, and when the door-shaped fixed supporting leg rotates to an upright state, the lifting oil cylinder extends out completely; step two, lifting, controlling the bottom ends of the two-stage telescopic cylinders to extend, pushing the middle supporting leg to slide upwards, connecting guy ropes at two sides of the bottom ends of the middle supporting leg after the middle supporting leg is completely extended, connecting the guy ropes with the ground through the guy ropes, and then controlling the top ends of the two-stage telescopic cylinders to extend, enabling the top-layer door frame to extend, connecting guy ropes at two sides of the top end of the top-layer door frame after the top-layer door frame is completely extended, and connecting the guy ropes with the ground through the guy ropes; and thirdly, adjusting, namely controlling the sliding oil cylinder to push the guide rail platform to transversely move by comparing the mounting position of the mounting head on the mounting base with the position of the continuous oil cylinder, aligning the injection head with the continuous oil cylinder, controlling the transverse sliding oil cylinder and the longitudinal sliding oil cylinder, finely adjusting the mounting position of the injection head to align the injection head with the continuous oil pipe, and finally, taking out a movable pin of the supporting platform, which is close to one end of the inclined oil cylinder, and controlling the inclined oil cylinder to extend or retract to enable the output end of the injection head to be coaxial with the continuous oil pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the portal telescopic injection head wellhead support platform adopts an integral transportation mode after being folded, has the overall length of less than 10m, and can be effectively applied to well site transportation under various road limited conditions.
2. The portal telescopic injection head wellhead support platform is in an upright state during operation, the front-back adjustment distance of the injection head is not affected by the operation height, and the adaptability of the actual operation of a well site is high.
3. The portal telescopic injection head wellhead support platform can replace an operation crane, and effectively reduces the engineering operation cost of continuous pipe equipment.
4. Compared with a wellhead lifting type operation platform, the portal type telescopic injection head wellhead support platform has lower requirement on the structure of an operation wellhead, can adapt to the installation of a wellhead under the conditions of a non-detachable platform and wellhead inclination, and is more convenient to assemble and disassemble in a well site;
5. the portal telescopic injection head wellhead support platform has the advantages that the injection head can be adjusted in a front-back mode, a left-right mode and a swing mode in a certain range, the inclination adjustment in a certain angle range can be achieved, and the actual well site operation can be better met.
Drawings
Fig. 1 is a schematic structural view of an undeployed state according to an embodiment of the invention.
Fig. 2 is a schematic structural view of an expanded state according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a bottom layer prying frame in an embodiment of the invention.
Fig. 4 is a schematic structural view of a door-type telescopic mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a door-type telescopic mechanism according to an embodiment of the present invention.
Fig. 6 is a side view of the structure of the injector head platform in an embodiment of the present invention.
Fig. 7 is a top view of an embodiment of an injector head platform.
In the above figures: 1. a bottom layer prying frame; 2. a door-type telescopic mechanism; 3. an injector head platform; 4. a base platform; 5. lifting oil cylinders; 6. a connecting bracket; 7. a fixed base; 8. a transverse telescopic support leg; 9. a longitudinally telescoping leg; 10. a lubricator rotating seat; 11. a door-type fixed leg; 12. a middle support leg; 13. a top door frame; 14. two-stage telescopic oil cylinders; 15. a guide rail platform; 16. a limit seat; 17. a sliding oil cylinder; 18. a slewing mechanism; 19. a slewing device; 20. tilting the oil cylinder; 21. a support platform; 22. a transverse sliding guide rail; 23. a longitudinal sliding guide rail; 24. a transverse sliding oil cylinder; 25. a longitudinal sliding oil cylinder; 26. a slewing bearing; 27. a rotary motor; 28. a mounting base; 29. a guide plate; the ball is hinged with the supporting leg.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-7, to improve stability and portability of the injector head mounting structure. The invention provides a portal telescopic injection head wellhead support platform, which comprises a bottom layer prying frame 1, a portal telescopic mechanism 2 with the bottom end hinged to the bottom layer prying frame 1 and an injection head platform 3 slidably mounted on the portal telescopic mechanism 2, wherein the bottom layer prying frame 1 comprises a base platform 4 and a lifting cylinder 5 with the end part hinged to the base platform 4 and the portal telescopic mechanism 2 respectively, the injection head platform 3 slides perpendicular to the telescopic direction of the portal telescopic mechanism 2, and the injection head platform 3 comprises an installation base 28 for installation of an injection head, an inclined cylinder 20 for driving the installation base 28 to rotate, and a transverse sliding cylinder 24 and a longitudinal sliding cylinder 25 for pushing the installation base 28 to move in the horizontal direction.
The door-type telescopic device 2 is rotatably arranged on the bottom layer prying frame 1, when the supporting platform is transported, the door-type telescopic device 2 is leaned against the bottom layer prying frame 1, and one end of the base platform 4 is provided with an output rod piece for connecting and supporting the movable end of the door-type telescopic device 2; when the injection head is put into use, the lifting oil cylinder 5 pushes the gate-type telescopic mechanism 2 to rotate, the gate-type telescopic mechanism 2 rotates to a vertical state from an inclined state, the length of the gate-type telescopic mechanism 2 when in moving is shortened as much as possible on the premise of meeting the installation height of the injection head, and then the length of the bottom prying frame 1 is shortened, so that the movement is convenient.
When the position of the injection head is adjusted, the injection head is roughly positioned by horizontal sliding of the injection head platform 3, the position of the mounting base 28 is finely adjusted by the horizontal sliding oil cylinder 24 and the longitudinal sliding oil cylinder 25 at the later stage, and the angle of the mounting base 28 is adjusted by the inclined oil cylinder 20, so that the output end of the injection head can be coaxial with the continuous pipe.
As shown in fig. 3 and 4, the adjustability of the support platform is improved for the convenience of selecting the mounting position of the support platform. A fixed base 7 is arranged on the bottom layer platform 4, a transverse telescopic supporting leg 8 is arranged on the fixed base 7 in a sliding mode, a lubricator rotating seat 10 is vertically arranged at the bottom of the fixed base 7 in a rotating mode, and the rotating angle of the lubricator rotating seat 10 is 360 degrees. The lubricator rotary seat 10 is arranged at the bottom of the fixed base, the fixed base 7 is rotatably connected to the lubricator rotary seat 10, the lubricator rotary seat 10 is positioned right below the hinging point of the door-type telescopic mechanism 2, and after the door-type telescopic mechanism 2 is erected, the lubricator rotary seat 10 can provide effective support. The position can be adjusted by rotation of lubricator swivel 10 when aligning the output end of the injector head with the coiled tubing.
As shown in fig. 5, in order to achieve the expansion and contraction of the door-type expansion and contraction mechanism 2 and to ensure that the door-type expansion and contraction mechanism 2 has sufficient strength. The door-type telescopic mechanism 2 comprises a door-type fixed supporting leg 11, a middle supporting leg 12, a top-layer door frame 13 and two-stage telescopic oil cylinders 14, wherein the bottom ends of the door-type fixed supporting leg 11 are hinged to a base platform 4, the middle supporting leg 12 is coaxially and slidably arranged on the door-type fixed supporting leg 11, the top-layer door frame 13 is coaxially and slidably arranged on the middle supporting leg 12, two ends of the lifting oil cylinder 5 are respectively hinged between the base platform 4 and the door-type fixed supporting leg 11, the fixed ends of the two-stage telescopic oil cylinders 14 are connected to the middle supporting leg 12, and two movable ends of the two-stage telescopic oil cylinders 14 are respectively hinged to the bottoms of the door-type fixed supporting leg 11 and the tops of the top-layer door frame 13.
The two-stage telescopic oil cylinder 14 is used for realizing the twice telescopic operation of the door-type telescopic mechanism 2, firstly, the length of the door-type telescopic mechanism 2 is shortened, the door-type telescopic mechanism is convenient to move and transport, and secondly, the two-stage telescopic oil cylinder 14 is used under the condition of extending the same height, and the stability is higher than that of the one-stage telescopic oil cylinder. The middle parts of the door-type fixed supporting leg 11 and the top door frame 13 are respectively provided with a connecting cross rod, so that the strength of the door-type telescopic mechanism 2 can be improved, and deformation is avoided.
As a preferred embodiment of the present invention, to improve the stability of the movement of the middle leg 12 and top door frame 13. The door-type fixed support leg 11, the middle support leg 12 and the top door frame 13 are all of spliced box-type beam structures, guide plates are arranged on the outer walls of the door-type fixed support leg 11 and the middle support leg 12 along the axial direction, and grooves matched with the guide plates are formed in the inner walls of the middle support leg 12 and the top door frame 13. The door-type fixed support leg 11, the middle support leg 12 and the top door frame 13 are formed by welding after being spliced by box-type beams, the structural strength is high, the stability is good, and the door-type fixed support leg 11 adopts a hollow structure, so that the weight of the door-type telescopic mechanism 2 is reduced, and the well site transportation is facilitated. Set up deflector and fluting, can improve the stability that removes.
As shown in fig. 6, in order to achieve a lateral movement of the rail platform 15 in the horizontal direction. The injection head platform 3 comprises a guide rail platform 15 and a guide rail sliding oil cylinder 17, the guide rail platform 15 is in sliding fit with the door-type telescopic mechanism 2, the guide rail sliding oil cylinder 17 is connected between the guide rail platform 15 and the door-type telescopic mechanism 2, and the installation base 28 is arranged on the guide rail platform 15. The inner side of the top layer door frame 13 at the top of the door type telescopic mechanism 2 is provided with a fixed beam, the guide rail platform 15 is in sliding fit with the fixed beam, the fixed end of the sliding oil cylinder 17 is connected to the fixed beam of the top layer door frame 13, the movable end of the sliding oil cylinder 17 is hinged to the guide rail platform 15, and the sliding of the guide rail platform 15 in the horizontal direction is realized through the telescopic action of the sliding oil cylinder 17.
As shown in fig. 6, in order to improve the stability of the installation of the rail platform 15. And a limiting seat 16 is arranged on the guide rail platform 15, and the limiting seat 16 is bolted with the door-type telescopic mechanism 2. The limiting seat 16 is arranged on the guide rail platform 15, connecting holes are continuously arranged on the limiting seat 16 along the moving direction of the guide rail platform 15, fixing bolts for connecting the limiting seat 16 with the top door frame 13 fixing beams are taken down, the limiting seat 16 moves along with the guide rail platform 15, and after the guide rail platform 15 moves to a position required by installation of the injection head, the limiting seat 16 and the top door frame 13 fixing beams are connected through the fixing bolts.
As shown in fig. 7, to achieve adjustment of the installation angle of the injector head, the output end of the injector head can be directly opposite to the coiled tubing. The guide rail platform 15 is provided with a support platform 21, two ends of the support platform 21 are movably pinned to the guide rail platform 15, an inclined oil cylinder 20 is arranged between the guide rail platform 15 and the support platform 21, the inclined oil cylinder 20 is close to one end of the support platform 21, the fixed end of the inclined oil cylinder 20 is hinged to the guide rail platform 15, and the movable end is hinged to the support platform 21. Both ends of the supporting platform 21 are connected with the guide rail platform 15 through pin shafts, when the angle of the supporting platform 21 is adjusted, the pin shaft close to one side of the inclined oil cylinder 20 is taken down, and the supporting platform 21 is pushed to rotate around the other pin shaft through the inclined oil cylinder 20, so that the angle adjustment of the supporting platform 21 is realized.
In a preferred embodiment of the present invention, to ensure the overall stability of the support platform 21 after the injection head is mounted, instability of the support platform 21 due to an excessively large inclination angle is avoided. The tilt cylinder 20 drives the support platform 21 to rotate by an angle range of + -5 deg. about a movable pin at an end remote from the tilt cylinder 20. The range of the inclination angle of the support platform 21 is determined according to the stroke of the inclination cylinder 20.
As shown in fig. 7, to achieve precise adjustment of the mounting position of the injector head. The support platform 21 is provided with a transverse sliding guide rail 22, a longitudinal sliding guide rail 23, a transverse sliding oil cylinder 24, a longitudinal sliding oil cylinder 25, a rotary bearing 26, a rotary motor 27 for driving the rotary end of the rotary bearing 26 to rotate and a mounting base 28, the transverse sliding guide rail 22 is in sliding fit with the support platform 21, the transverse sliding oil cylinder 24 is arranged between the transverse sliding guide rail 22 and the support platform 21, the longitudinal sliding guide rail 23 is arranged on the transverse sliding guide rail 22 in a sliding manner, the longitudinal sliding oil cylinder 25 is arranged between the transverse sliding guide rail 22 and the longitudinal sliding guide rail 23, the fixed end of the rotary bearing 26 is arranged on the longitudinal sliding guide rail 23, the mounting base 28 is arranged on the rotary end of the rotary bearing 26, and the rotary angle of the rotary bearing 26 is 30 degrees. The transverse sliding guide rail 22 can transversely slide on the supporting platform 21, the longitudinal sliding guide rail 23 can longitudinally slide on the transverse sliding guide rail 22, and then the rotary bearing 26 can be driven to transversely and longitudinally slide in the horizontal direction, so that the horizontal position of the injection head is adjusted, the rotary end of the rotary bearing 26 is driven by the rotary motor 27, and then the injection head is driven to rotate in the vertical direction, and the angle adjustment of the injection head is realized.
A mounting method of a portal telescopic injection head wellhead support platform comprises the following steps: step one, lifting a frame, controlling the lifting oil cylinder 5 to extend, wherein the output end of the lifting oil cylinder 5 pushes the door-shaped fixed supporting leg 11 to rotate around the bottom end of the door-shaped fixed supporting leg, and when the door-shaped fixed supporting leg 11 rotates to be in an upright state, the lifting oil cylinder 5 extends completely; step two, lifting, controlling the bottom ends of the two-stage telescopic cylinders 14 to extend, pushing the middle support leg 12 to slide upwards, connecting guy ropes at two sides of the bottom end of the middle support leg 12 after the middle support leg 12 is completely extended, connecting the guy ropes with the ground through the guy ropes, and then controlling the top ends of the two-stage telescopic cylinders 14 to extend, enabling the top-layer door frame 13 to extend, connecting guy ropes at two sides of the top end of the top-layer door frame 13 after the top-layer door frame 13 is completely extended, and connecting the guy ropes with the ground through the guy ropes; step three, adjusting, namely controlling the sliding oil cylinder 17 to push the guide rail platform 15 to transversely move by comparing the installation position of the installation head on the installation base 28 with the position of the continuous oil cylinder, controlling the transverse sliding oil cylinder 24 and the longitudinal sliding oil cylinder 25 to align the injection head with the continuous oil cylinder, fine-adjusting the installation position of the injection head to align the injection head with the continuous oil pipe, and finally, controlling the inclined oil cylinder 20 to extend or retract by taking out a movable pin of the support platform 21, which is close to one end of the inclined oil cylinder 20, so that the output end of the injection head is coaxial with the continuous oil pipe.
Claims (10)
1. A portal telescopic injection head wellhead support platform is characterized in that: including bottom sled frame (1), bottom articulates injection head platform (3) on door type telescopic machanism (2) and slidable mounting on door type telescopic machanism (2) on bottom sled frame (1), bottom sled frame (1) include base platform (4) and tip respectively articulated lifting cylinder (5) on base platform (4) and door type telescopic machanism (2), injection head platform (3) perpendicular to door type telescopic machanism (2) flexible direction slides, injection head platform (3) are including injection head installation with installation base (28), drive installation base (28) pivoted tilting cylinder (20) and promotion installation base (28) horizontal direction removal's horizontal slipping cylinder (24) and longitudinal slipping cylinder (25).
2. A portal telescoping injector wellhead support platform as claimed in claim 1 wherein: a fixed base (7) is arranged on the bottom layer platform (4), a transverse telescopic supporting leg (8) is arranged on the fixed base (7) in a sliding mode, a lubricator rotating seat (10) is vertically arranged at the bottom of the fixed base (7) in a rotating mode, and the rotating angle of the lubricator rotating seat (10) is 360 degrees.
3. A portal telescoping injector wellhead support platform as claimed in claim 1 wherein: the door type telescopic mechanism (2) comprises a door type fixed supporting leg (11), a middle supporting leg (12), a top layer door frame (13) and two stages of telescopic oil cylinders (14), wherein the bottom end of the door type fixed supporting leg (11) is hinged to a base platform (4), the middle supporting leg (12) is coaxially and slidably mounted on the door type fixed supporting leg (11), the top layer door frame (13) is coaxially and slidably mounted on the middle supporting leg (12), two ends of a lifting oil cylinder (5) are respectively hinged between the base platform (4) and the door type fixed supporting leg (11), the fixed ends of the two stages of telescopic oil cylinders (14) are connected to the middle supporting leg (12), and two movable ends of the two stages of telescopic oil cylinders (14) are respectively hinged to the bottom of the door type fixed supporting leg (11) and the top of the top layer door frame (13).
4. A portal telescoping injector wellhead support platform as claimed in claim 3 wherein: the door-type fixed support leg (11), the middle support leg (12) and the top door frame (13) are all spliced box-type beam structures, the outer walls of the door-shaped fixed support leg (11) and the middle support leg (12) are respectively provided with a guide plate along the axial direction, and the inner walls of the middle support leg (12) and the top door frame (13) are respectively provided with a groove matched with the guide plates.
5. A portal telescoping injector wellhead support platform as claimed in claim 1 wherein: the injection head platform (3) comprises a guide rail platform (15) and a guide rail sliding oil cylinder (17), the guide rail platform (15) is in sliding fit with the door-type telescopic mechanism (2), the guide rail sliding oil cylinder (17) is connected between the guide rail platform (15) and the door-type telescopic mechanism (2), and the installation base (28) is arranged on the guide rail platform (15).
6. A portal telescoping injector wellhead support platform as claimed in claim 5 wherein: and a limiting seat (16) is arranged on the guide rail platform (15), and the limiting seat (16) is bolted with the door-type telescopic mechanism (2).
7. A portal telescoping injector wellhead support platform as claimed in claim 5 wherein: be provided with supporting platform (21) on guide rail platform (15), both ends of supporting platform (21) all movable pin joint in on guide rail platform (15), be provided with tilt cylinder (20) between guide rail platform (15) and supporting platform (21), tilt cylinder (20) are close to in supporting platform's (21) one end, tilt cylinder (20)'s stiff end in guide rail platform (15) is articulated, and the expansion end is articulated with supporting platform (21).
8. A portal telescoping injector wellhead support platform as claimed in claim 7 wherein: the inclined oil cylinder (20) drives the supporting platform (21) to rotate around a movable pin at one end far away from the inclined oil cylinder (20) within an angle range of +/-5 degrees.
9. The portal telescoping injector wellhead support platform as recited in claim 8 wherein: the support platform (21) is provided with a transverse sliding guide rail (22), a longitudinal sliding guide rail (23), a transverse sliding oil cylinder (24), a longitudinal sliding oil cylinder (25), a rotary bearing (26), a rotary motor (27) for driving the rotary end of the rotary bearing (26) to rotate and a mounting base (28), the transverse sliding guide rail (22) is in sliding fit with the support platform (21), the transverse sliding oil cylinder (24) is arranged between the transverse sliding guide rail (22) and the support platform (21), the longitudinal sliding guide rail (23) is arranged on the transverse sliding guide rail (22) in a sliding manner, the longitudinal sliding oil cylinder (25) is arranged between the transverse sliding guide rail (22) and the longitudinal sliding guide rail (23), the fixed end of the rotary bearing (26) is arranged on the longitudinal sliding guide rail (23), and the mounting base (28) is arranged on the rotary end of the rotary bearing (26) and the rotary angle of the rotary bearing (26) is 30 degrees.
10. The method for installing the portal telescopic injection head wellhead support platform is characterized by comprising the following steps of: step one, lifting a frame, controlling a lifting oil cylinder (5) to extend, wherein an output end of the lifting oil cylinder (5) pushes a door-shaped fixed supporting leg (11) to rotate around the bottom end of the door-shaped fixed supporting leg, and when the door-shaped fixed supporting leg (11) rotates to an upright state, the lifting oil cylinder (5) extends completely; step two, lifting, controlling the bottom ends of the two-stage telescopic cylinders (14) to extend, pushing the middle supporting leg (12) to slide upwards, connecting guy wires on two sides of the bottom ends of the middle supporting leg (12) after the middle supporting leg (12) is completely extended, connecting the guy wires with the ground through the guy wires, and then controlling the top ends of the two-stage telescopic cylinders (14) to extend, enabling the top-layer door frame (13) to extend, connecting guy wires on two sides of the top end of the top-layer door frame (13) after the top-layer door frame (13) is completely extended, and connecting the guy wires with the ground through the guy wires; step three, adjusting, namely controlling the sliding oil cylinder (17) to push the guide rail platform (15) to transversely move by comparing the installation position of the installation head on the installation base (28) with the position of the continuous oil cylinder, aligning the injection head with the continuous oil cylinder, controlling the transverse sliding oil cylinder (24) and the longitudinal sliding oil cylinder (25), finely adjusting the installation position of the injection head to align the injection head with the continuous oil pipe, and finally, taking out a movable pin of the support platform (21) close to one end of the inclined oil cylinder (20), and controlling the inclined oil cylinder (20) to extend or retract to enable the output end of the injection head to be coaxial with the continuous oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310137745.1A CN116044328A (en) | 2023-02-20 | 2023-02-20 | Portal telescopic injection head wellhead support platform and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310137745.1A CN116044328A (en) | 2023-02-20 | 2023-02-20 | Portal telescopic injection head wellhead support platform and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116044328A true CN116044328A (en) | 2023-05-02 |
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ID=86114833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310137745.1A Pending CN116044328A (en) | 2023-02-20 | 2023-02-20 | Portal telescopic injection head wellhead support platform and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116044328A (en) |
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2023
- 2023-02-20 CN CN202310137745.1A patent/CN116044328A/en active Pending
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