CN112696168B - Integral horizontal oil production wellhead assembly - Google Patents
Integral horizontal oil production wellhead assembly Download PDFInfo
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- CN112696168B CN112696168B CN202110058644.6A CN202110058644A CN112696168B CN 112696168 B CN112696168 B CN 112696168B CN 202110058644 A CN202110058644 A CN 202110058644A CN 112696168 B CN112696168 B CN 112696168B
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- 238000004519 manufacturing process Methods 0.000 title abstract description 33
- 230000007246 mechanism Effects 0.000 claims description 55
- 230000007704 transition Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims 5
- 241000191291 Abies alba Species 0.000 abstract description 59
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 235000004507 Abies alba Nutrition 0.000 description 58
- 238000005457 optimization Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 244000147058 Derris elliptica Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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Abstract
The invention relates to the technical field of wellhead devices, in particular to an integral horizontal oil production wellhead device. The valve can be quickly connected to the pipeline of the Christmas tree; including connecting the arc board, the buffering slide bar, the atress arc board, press from both sides tight arm of force, the sliding sleeve opens and shuts, horizontal lead screw and fixed cross beam, it removes to rotate to drive two sliding sleeves that open and shut through horizontal lead screw, two sliding sleeves that open and shut are close to simultaneously, it is close to drive two tight arm of force and two atress arc boards of clamp, make two connection arc boards press from both sides tightly on the pipeline outer wall of production tree, accomplish the high-speed joint of integral horizontal production well head device and production tree, thoroughly replace the connected mode of connecting pieces such as bolt, can solve the connection time consuming length of connecting pieces such as bolt, the problem that work load is big, make operating personnel only need operate horizontal lead screw alright in order to realize the high-speed joint of integral horizontal production well head device and production tree, time saving and labor saving.
Description
Technical Field
The invention relates to the technical field of wellhead devices, in particular to an integral horizontal oil production wellhead device.
Background
The invention with publication number CN101644149 discloses an integral horizontal oil production wellhead device, which is applied to oil production on an ocean platform. The well head body is internally provided with an upper cavity, a middle cavity and a lower cavity. The lower ends of the upper cavity and the middle cavity are respectively provided with a circular conical surface shoulder. An oil pipe hanger is arranged in the upper cavity. The lower end of the oil pipe hanger is provided with connecting threads for connecting an oil pipe. The tubing hanger has an oil outlet passage. A pneumatic-hydraulic safety valve and a throttle valve are fixed on the outer wall of the wellhead body. The reducing flange, the paraffin removal valve and the oil tree cap are arranged at the upper end of the wellhead body. A completion casing hanger and an intermediate casing hanger are arranged in a middle cavity of the wellhead body. A WD casing hanger is arranged in the lower cavity of the wellhead body. The effect is as follows: the integral suspension structure of the integrated three-hanger reduces the height of a wellhead and simplifies the installation procedure; but the invention does not allow for quick connection of the valve to the tubing of the christmas tree.
Disclosure of Invention
The invention provides an integral horizontal oil production wellhead device, which has the beneficial effect that the valve can be quickly connected to a pipeline of an oil production tree.
The invention relates to the technical field of well heads, in particular to an integral horizontal oil production well head device, which comprises a quick connecting mechanism and a valve clamping mechanism, wherein the valve clamping mechanism is connected on the quick connecting mechanism, the quick connecting mechanism comprises a connecting arc plate, buffer slide rods, a stress arc plate, clamping force arms, opening and closing slide sleeves, a horizontal screw rod and a fixed cross beam, the two opening and closing slide sleeves are both connected on the horizontal screw rod through threads, the left end and the right end of the horizontal screw rod are respectively and rotatably connected at the left end and the right end of the fixed cross beam, the two clamping force arms are respectively and fixedly connected at the front ends of the two opening and closing slide sleeves, the rear ends of the two opening and closing slide sleeves are respectively and slidably connected on the fixed cross beam, the connecting arc plate is provided with two buffer slide rods, the outer ends of the two stress arc plates are respectively and fixedly connected at the inner ends clamped by the two force arms, every atress arc board all is had two buffering slide bars of sliding connection, all is provided with the extension spring on four buffering slide bars, and the both ends of every extension spring are fixed connection respectively on the outer end of buffering slide bar and atress arc board.
As a further optimization of the technical scheme, the fixed cross beam of the integrated horizontal oil production wellhead device is provided with the sliding holes, and the sliding holes are used for matching the rear ends of the two opening and closing sliding sleeves to be in sliding contact with the fixed cross beam.
As a further optimization of the technical scheme, the quick connection mechanism of the integrated horizontal oil production wellhead device further comprises a connection shaft, a ratchet wheel, a rotation handle, a ratchet, a side plate and a locking spring, wherein the front end and the rear end of the locking spring are respectively and fixedly connected to the bottom end of the ratchet wheel and the front end of the side plate, the side plate is fixedly connected to the left end of the fixed cross beam, the ratchet wheel is rotatably connected to the left end of the fixed cross beam, the ratchet wheel is fixedly connected to the connection shaft, the right end of the connection shaft is fixedly connected to the left end of the horizontal screw rod, the rotation handle is fixedly connected to the left end of the connection shaft, and the ratchet wheel is in meshing transmission with the ratchet wheel.
As a further optimization of the technical scheme, the quick connection mechanism of the integrated horizontal oil production wellhead device further comprises a transition rotating shaft, a driving gear, a follow-up gear, a driving rack, a vertical slideway and a vertical rack, wherein the vertical rack is slidably connected in the vertical slideway, the vertical slideway is fixedly connected on the fixed cross beam, the middle part of the transition rotating shaft is rotatably connected at the bottom end of the fixed cross beam, the driving gear is fixedly connected at the front end of the transition rotating shaft, the follow-up gear is fixedly connected at the rear end of the transition rotating shaft, the left end of the driving rack is fixedly connected at the rear end of the opening and closing sliding sleeve at the left end, the driving rack is in meshing transmission with the driving gear, and the follow-up gear is in meshing transmission with the vertical rack.
As a further optimization of the technical scheme, the quick connecting mechanism of the integrated horizontal oil production wellhead device further comprises combined sliding chutes, and the two combined sliding chutes are respectively and fixedly connected to the left end and the right end of the bottom end of the fixed cross beam.
As a further optimization of the technical scheme, the teeth on the driving rack of the integrated horizontal oil production wellhead device are arranged at the bottom end of the driving rack.
As a further optimization of the technical scheme, the valve clamping mechanism of the integrated horizontal oil production wellhead device comprises a clamping cross beam, a clamping screw rod, a clamping motor, movable embracing arms, embracing arc plates and a valve, wherein a groove is formed in the front end of the clamping cross beam, the left end and the right end of the clamping screw rod are respectively rotatably connected to the left end and the right end of the groove, the left end of the clamping screw rod is fixedly connected to an output shaft of the clamping motor, the clamping motor is fixedly connected to the left end of the clamping cross beam, the rear ends of the two movable embracing arms are both connected to the clamping screw rod through threads, the rear ends of the two movable embracing arms are both slidably connected in the groove, the rear ends of the two embracing arc plates are respectively and fixedly connected to the front ends of the two movable embracing arms, the outer wall of the valve is attached to the inner walls of the two embracing arc plates, and the bottom end of the clamping cross beam is fixedly connected to the top end of the vertical rack.
As a further optimization of the technical scheme, the integrated horizontal oil production wellhead device further comprises a quick moving mechanism, the quick moving mechanism comprises a pushing underframe, universal wheels, an electric cylinder and two disassembling connecting blocks, the top ends of the two universal wheels are respectively and rotatably connected to the front end and the rear end of the bottom end of the pushing underframe, the bottom end of the electric cylinder is fixedly connected to the rear end of the pushing underframe, the bottom end of the disassembling connecting block is fixedly connected to a cylinder rod of the electric cylinder, the two quick moving mechanisms are arranged, and the top ends of the two disassembling connecting blocks are respectively and slidably connected into the two combined sliding chutes.
As a further optimization of the technical scheme, two ends of the combined sliding chute of the integrated horizontal oil extraction wellhead device are communicated, and the combined sliding chute and the disassembly connecting block are both T-shaped.
The integral horizontal oil extraction wellhead device has the beneficial effects that:
the integrated horizontal production wellhead device can drive the two opening and closing sliding sleeves to move through the rotation of the horizontal screw rod, the two opening and closing sliding sleeves are simultaneously close to each other to drive the two clamping force arms and the two stress arc plates to be close to each other, so that the two connection arc plates are clamped on the outer wall of a pipeline of a production tree, the quick connection of the integrated horizontal production wellhead device and the production tree is completed, the connection mode of connecting pieces such as bolts is thoroughly replaced, the problems of long time consumption and large workload during connection of the connecting pieces such as the bolts can be solved, an operator can realize the quick connection of the integrated horizontal production wellhead device and the production tree by only operating the horizontal screw rod once, and time and labor are saved; the driving rack can be further utilized to drive the driving gear to realize meshing, the driving gear is enabled to drive the transition rotating shaft to rotate, the follow-up gear is enabled to drive the vertical rack to slide downwards in the vertical slide way, downward compression of a valve to be connected to the Christmas tree is realized, the valve to be connected to the Christmas tree is butted with the pipe orifice of the Christmas tree when the two connecting arc plates are clamped on the outer wall of the pipeline of the Christmas tree, the valve to be connected to the Christmas tree is not required to be connected through connecting pieces such as bolts, the operation time is saved, the connection speed is accelerated, the connection process is simplified, and the connection efficiency of the valve to be connected to the Christmas tree and the pipe orifice of the Christmas tree can be accelerated.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the construction of an integrated horizontal production wellhead of the present invention;
FIG. 2 is a schematic view of the configuration of the integrated horizontal production wellhead in another orientation;
FIG. 3 is a schematic structural view of the quick connect mechanism;
FIG. 4 is a schematic view of the quick connect mechanism in another orientation;
FIG. 5 is a schematic view of a portion of the quick connect mechanism;
FIG. 6 is a schematic view of the valve clamping mechanism;
FIG. 7 is a schematic view of the valve clamping mechanism in another orientation;
fig. 8 is a schematic structural view of the fast moving mechanism.
In the figure: a quick connection mechanism 1; connecting the arc plates 1-1; a buffer slide bar 1-2; 1-3 stress arc plates; 1-4 of clamping force arm; opening and closing the sliding sleeve 1-5; 1-6 parts of horizontal screw rods; fixing the cross beams 1-7; 1-8 of a connecting shaft; 1-9 parts of ratchet wheel; rotating the handle 1-10; 1-11 parts of ratchet; 1-12 of side plates; locking springs 1-13; a combined chute 1-14; 1-15 of transition rotating shaft; driving gears 1-16; 1-17 of a follow-up gear; drive racks 1-18; vertical slides 1-19; 1-20 vertical racks; a valve clamping mechanism 2; clamping the cross beam 2-1; clamping the screw rod 2-2; clamping a motor 2-3; 2-4, moving the arm; encircling the arc plate 2-5; 2-6 parts of a valve; a fast moving mechanism 3; pushing the underframe 3-1; 3-2 parts of universal wheels; 3-3 of an electric cylinder; and 3-4, disassembling the connecting blocks.
Detailed Description
The first embodiment is as follows:
the invention relates to the technical field of wellhead devices, in particular to an integral horizontal oil production wellhead device, which comprises a quick connecting mechanism 1 and a valve clamping mechanism 2, wherein the valve clamping mechanism 2 is connected to the quick connecting mechanism 1, the quick connecting mechanism 1 comprises a connecting arc plate 1-1, a buffer slide rod 1-2, a stress arc plate 1-3, a clamping force arm 1-4, an opening and closing sliding sleeve 1-5, a horizontal screw rod 1-6 and a fixed cross beam 1-7, the two opening and closing sliding sleeves 1-5 are connected to the horizontal screw rod 1-6 through threads, the left end and the right end of the horizontal screw rod 1-6 are respectively and rotatably connected to the left end and the right end of the fixed cross beam 1-7, the two clamping force arms 1-4 are respectively and fixedly connected to the front ends of the two opening and closing sliding sleeves 1-5, the rear ends of two opening and closing sliding sleeves 1-5 are connected to a fixed cross beam 1-7 in a sliding mode, two connecting arc plates 1-1 are arranged, two buffer sliding rods 1-2 are fixedly connected to each connecting arc plate 1-1, the outer ends of two stress arc plates 1-3 are fixedly connected to the inner ends of two clamping force arms 1-4 respectively, two buffer sliding rods 1-2 are connected to each stress arc plate 1-3 in a sliding mode, tension springs are arranged on the four buffer sliding rods 1-2, and two ends of each tension spring are fixedly connected to the outer ends of the buffer sliding rods 1-2 and the stress arc plates 1-3 respectively.
The two opening and closing sliding sleeves 1-5 are driven to move by the rotation of the horizontal screw rod 1-6, the thread directions of the left side and the right side of the horizontal screw rod 1-6 are opposite, so the two opening and closing sliding sleeves 1-5 are close to each other simultaneously, two clamping force arms 1-4 and two stress arc plates 1-3 can be driven to be close to each other when the two opening and closing sliding sleeves are close to each other, the two connection arc plates 1-1 are clamped on the outer wall of a pipeline of a Christmas tree, the two stress arc plates 1-3 push the two connection arc plates 1-1 to be tightly clamped on the outer wall of the pipeline of the Christmas tree through the matching of the buffer sliding rod 1-2 and the tension spring, the two stress arc plates 1-3 are prevented from extruding and deforming the pipeline of the Christmas tree due to the clamping force of the two clamping force arms 1-4, the pipeline of the Christmas tree is protected, and the quick connection of the integrated horizontal wellhead device and the Christmas tree is completed, the connecting mode of connecting pieces such as bolts is thoroughly replaced, the problems of long time consumption and large workload in connection of the connecting pieces such as the bolts can be solved, an operator can realize quick connection of the integrated horizontal oil production wellhead device and the oil production tree by operating the horizontal screw rods 1-6 for one time, time and labor are saved, and the installation and the disassembly are simple and quick.
The second embodiment is as follows:
the following description is provided with reference to the accompanying drawings, which further describe the first embodiment, the fixed cross beam 1-7 is provided with a sliding hole, and the sliding hole is used for matching the rear ends of the two opening and closing sliding sleeves 1-5 to be in sliding contact with the fixed cross beam 1-7; the two opening and closing sliding sleeves 1-5 are prevented from rotating together with the horizontal screw rods 1-6 when the horizontal screw rods 1-6 rotate.
The third concrete implementation mode:
the second embodiment is further described with reference to the following drawings, wherein the quick connection mechanism 1 further comprises a connection shaft 1-8, a ratchet 1-9, a rotation handle 1-10, a ratchet 1-11, a side plate 1-12 and a locking spring 1-13, the front end and the rear end of the locking spring 1-13 are respectively and fixedly connected to the bottom end of the ratchet 1-11 and the front end of the side plate 1-12, the side plate 1-12 is fixedly connected to the left end of the fixed cross beam 1-7, the ratchet 1-11 is rotatably connected to the left end of the fixed cross beam 1-7, the ratchet 1-9 is fixedly connected to the connection shaft 1-8, the right end of the connection shaft 1-8 is fixedly connected to the left end of the horizontal screw rod 1-6, the rotation handle 1-10 is fixedly connected to the left end of the connection shaft 1-8, the ratchets 1-11 are meshed with the ratchets 1-9 for transmission.
An operator can use the rotating handle 1-10 to drive the connecting shaft 1-8 to rotate, so that the connecting shaft 1-8 drives the horizontal screw rod 1-6 to rotate to clamp the two connecting arc plates 1-1 on the outer wall of the pipeline of the Christmas tree, meanwhile, when the connecting shaft 1-8 rotates, the ratchet 1-9 is driven to rotate, the ratchet 1-9 is meshed with the ratchet 1-11, after the ratchet 1-9 rotates, the locking spring 1-13 pushes the ratchet 1-11 to clamp the ratchet 1-9 in a normal state, the ratchet 1-9 is prevented from driving the connecting shaft 1-8 to rotate, and the phenomenon that the horizontal screw rod 1-6 rotates accidentally to cause the two connecting arc plates 1-1 to loosen the outer wall of the pipeline of the Christmas tree is avoided; when the outer wall of the pipeline of the Christmas tree needs to be loosened, a finger is used for pressing the ratchets 1-11 backwards, meanwhile, the locking springs 1-13 are compressed, the ratchets 1-11 are not meshed with the ratchets 1-9, then the rotating handle 1-10 is used again for driving the connecting shafts 1-8 to rotate in the reverse direction, so that the horizontal screw rods 1-6 rotate, the two connecting arc plates 1-1 are used for loosening the outer wall of the pipeline of the Christmas tree to detach the integrated horizontal Christmas wellhead device from the Christmas tree.
The fourth concrete implementation mode:
the third embodiment is further described with reference to the drawings, the quick connection mechanism 1 further includes transition rotating shafts 1-15, driving gears 1-16, follower gears 1-17, driving racks 1-18, vertical slideways 1-19 and vertical racks 1-20, the vertical racks 1-20 are slidably connected in the vertical slideways 1-19, the vertical slideways 1-19 are fixedly connected to fixed cross beams 1-7, the middle portions of the transition rotating shafts 1-15 are rotatably connected to the bottom ends of the fixed cross beams 1-7, the driving gears 1-16 are fixedly connected to the front ends of the transition rotating shafts 1-15, the follower gears 1-17 are fixedly connected to the rear ends of the transition rotating shafts 1-15, the left ends of the driving racks 1-18 are fixedly connected to the rear ends of the open-close sliding sleeves 1-5 positioned at the left ends, the driving racks 1-18 are in meshed transmission with the driving gears 1-16, and the following gears 1-17 are in meshed transmission with the vertical racks 1-20.
When the opening and closing sliding sleeve 1-5 at the left end moves towards the middle, the driving rack 1-18 moves towards the right and is meshed with the driving gear 1-16, so that the driving gear 1-16 drives the transition rotating shaft 1-15 to rotate, the transition rotating shaft 1-15 drives the follow-up gear 1-17 to rotate, the follow-up gear 1-17 drives the vertical rack 1-20 to slide downwards in the vertical slideway 1-19, the valve to be connected on the Christmas tree is pressed downwards, the valve to be connected on the Christmas tree is in full contact with the orifice of the Christmas tree to realize connection, the valve to be connected on the Christmas tree is butted with the orifice of the Christmas tree while the two connecting arc plates 1-1 are clamped on the outer wall of the pipeline of the Christmas tree, the valve to be connected on the Christmas tree is not required to be connected with the valve on the Christmas tree through a connecting piece such as a bolt and the like, the operation time is saved, the connection speed is increased, the connection process is simplified, and the connection efficiency of the valve to be connected to the Christmas tree and the pipe orifice of the Christmas tree can be increased.
The fifth concrete implementation mode:
in the following, the present embodiment will be described with reference to the drawings, and the present embodiment further describes a fourth embodiment, the quick connecting mechanism 1 further includes two combined sliding chutes 1 to 14, and the two combined sliding chutes 1 to 14 are respectively and fixedly connected to the left and right ends of the bottom ends of the fixed cross beams 1 to 7.
The sixth specific implementation mode:
the fifth embodiment will be further explained with reference to the following description, in which the teeth of the driving racks 1 to 18 are disposed at the bottom ends of the driving racks 1 to 18; the bottom ends of the driving racks 1 to 18 are meshed with the top ends of the driving gears 1 to 16 for transmission, so that the driving gears 1 to 16 rotate clockwise, and the follower gears 1 to 17 rotate clockwise to drive the vertical racks 1 to 20 to slide downwards in the vertical slideways 1 to 19.
The seventh embodiment:
the sixth embodiment is further described with reference to the following drawings, wherein the valve clamping mechanism 2 comprises a clamping beam 2-1, a clamping screw 2-2, a clamping motor 2-3, a movable holding arm 2-4, an encircling arc plate 2-5 and a valve 2-6, a groove is formed in the front end of the clamping beam 2-1, the left end and the right end of the clamping screw 2-2 are respectively and rotatably connected to the left end and the right end of the groove, the left end of the clamping screw 2-2 is fixedly connected to an output shaft of the clamping motor 2-3, the clamping motor 2-3 is fixedly connected to the left end of the clamping beam 2-1, the rear ends of the two movable holding arms 2-4 are both connected to the clamping screw 2-2 through threads, the rear ends of the two movable holding arms 2-4 are both slidably connected to the groove, the rear ends of the two encircling arc plates 2-5 are respectively and fixedly connected with the front ends of the two movable encircling arms 2-4, the outer walls of the valves 2-6 are attached to the inner walls of the two encircling arc plates 2-5, and the bottom ends of the clamping cross beams 2-1 are fixedly connected with the top ends of the vertical racks 1-20.
The valve to be connected to the Christmas tree is a valve 2-6, a clamping motor 2-3 is used for driving a clamping screw 2-2 to rotate, the thread directions of the left side and the right side of the clamping screw 2-2 are opposite, two movable holding arms 2-4 are driven to horizontally move under the limitation of a groove, the two movable holding arms 2-4 drive two arc surrounding plates 2-5 to approach to the middle, so that the two arc surrounding plates 2-5 clamp the valve 2-6, the valve 2-6 is automatically clamped and carried, an operator does not need to carry the valve 2-6, the physical strength of the operator is saved, and the labor intensity of the operator is reduced; the vertical rack 1-20 moves downwards and simultaneously drives the clamping beam 2-1 to descend, so that the two encircling arc plates 2-5 are utilized to connect the valve 2-6 to the orifice of the Christmas tree.
The specific implementation mode is eight:
the present embodiment will be described with reference to the accompanying drawings, which further illustrate a seventh embodiment, the integrated horizontal oil extraction wellhead device also comprises a quick moving mechanism 3, the quick moving mechanism 3 comprises a pushing underframe 3-1, universal wheels 3-2, an electric cylinder 3-3 and a disassembly connecting block 3-4, the top ends of the two universal wheels 3-2 are respectively and rotatably connected with the front end and the rear end of the bottom end of the pushing underframe 3-1, the bottom end of the electric cylinder 3-3 is fixedly connected with the rear end of the pushing underframe 3-1, the bottom end of the disassembly connecting block 3-4 is fixedly connected with a cylinder rod of the electric cylinder 3-3, the quick moving mechanism 3 is provided with two, and the top ends of the two disassembly connecting blocks 3-4 are respectively connected in the two combined sliding chutes 1-14 in a sliding manner.
Two disassembly connecting blocks 3-4 are connected in the two combined chutes 1-14 in a sliding way, then the universal wheel 3-2 drives the quick connecting mechanism 1 to move, so that the two encircling arc plates 2-5 move the valve 2-6 to the position right above the Christmas tree, meanwhile, the distance and the position of the two detachable connecting blocks 3-4 can be adjusted, so that the two pushing bottom frames 3-1 can move according to the distance between the Christmas trees, the two pushing bottom frames 3-1 can enter the gap between two adjacent Christmas trees to move the valves 2-6 right above the Christmas trees, two electric cylinders 3-3 drive two disassembly connecting blocks 3-4 to descend or ascend, so that the bottom ends of the valves 2-6 are placed on the orifices of the Christmas trees according to the heights of the orifices of the Christmas trees; the valves 2-6 can be mounted and dismounted at the orifices of the Christmas trees with different heights.
The specific implementation method nine:
the following description will explain the present embodiment with reference to the eighth embodiment, in which the two ends of the combined sliding chutes 1-14 are communicated with each other, and the combined sliding chutes 1-14 and the detachable connecting blocks 3-4 are both T-shaped; after the valves 2-6 are installed, the disassembly connecting blocks 3-4 are pulled out of the combined sliding grooves 1-14, so that the quick moving mechanisms 3 are not connected with the quick connecting mechanisms 1, only the quick connecting mechanisms 1 and the valve clamping mechanisms 2 are left to be fixed on the pipelines of the Christmas tree, and the two quick moving mechanisms 3 can be used for being matched with the other quick connecting mechanism 1 and the other valve clamping mechanism 2 to connect the other pipelines of the Christmas tree.
The working principle of the integrated horizontal oil production wellhead device is as follows: firstly, two disassembly connecting blocks 3-4 are connected in two combined sliding chutes 1-14 in a sliding manner, then a quick connecting mechanism 1 is driven to move through a universal wheel 3-2, then a clamping screw 2-2 is driven to rotate by using a clamping motor 2-3, the thread directions of the left side and the right side of the clamping screw 2-2 are opposite, two movable holding arms 2-4 are driven to move horizontally under the limitation of a groove, the two movable holding arms 2-4 drive two encircling arc plates 2-5 to approach to the middle, so that the two encircling arc plates 2-5 clamp a valve 2-6, the valve 2-6 is automatically clamped and carried, the valve 2-6 does not need to be carried by an operator, the physical strength of the operator is saved, the labor intensity of the operator is reduced, and the two encircling arc plates 2-5 move the valve 2-6 to the position right above a Christmas tree through the universal wheel 3-2 Meanwhile, the distance and the position of the two disassembly connecting blocks 3-4 can be adjusted, so that the two pushing bottom frames 3-1 can move according to the distance between the Christmas trees, the two pushing bottom frames 3-1 can enter the gap between the two adjacent Christmas trees to move the valves 2-6 right above the Christmas trees, the two disassembly connecting blocks 3-4 are driven to descend or ascend by the two electric cylinders 3-3, the bottom ends of the valves 2-6 are placed on the pipe orifices of the Christmas trees according to the height of the pipe orifices of the Christmas trees, then the rotating handles 1-10 are used for driving the connecting shafts 1-8 to rotate, the connecting shafts 1-8 drive the horizontal screw rods 1-6 to rotate, and the horizontal screw rods 1-6 rotate to drive the two opening and closing sliding sleeves 1-5 to move, the thread directions of the left side and the right side of the horizontal screw rod 1-6 are opposite, so that the two opening and closing sliding sleeves 1-5 are close to each other at the same time, when the two opening and closing sliding sleeves are close to each other, the two clamping force arms 1-4 and the two stress arc plates 1-3 can be driven to be close to each other, the two connecting arc plates 1-1 are clamped on the outer wall of a pipeline of a Christmas tree, the two stress arc plates 1-3 push the two connecting arc plates 1-1 to be tightly clamped on the outer wall of the pipeline of the Christmas tree through the matching of the buffer slide rod 1-2 and the tension spring, the quick connection of the integrated horizontal oil extraction wellhead device and the Christmas tree is completed, meanwhile, when the connecting shaft 1-8 rotates, the ratchet 1-9 is driven to rotate, the ratchet 1-9 is meshed with the ratchet 1-11, after the rotation of the ratchet 1-9 is completed, the locking spring 1-13 is pressed against the ratchet 1-11 to clamp the ratchet 1-9 in a normal state, the ratchet 1-9 is prevented from driving the connecting shaft 1-8 to rotate, the horizontal screw rod 1-6 is prevented from accidentally rotating to cause the two connecting arc plates 1-1 to loosen the outer wall of the pipeline of the Christmas tree, the driving rack 1-18 moves rightwards and is meshed with the driving gear 1-16, the driving gear 1-16 drives the transition rotating shaft 1-15 to rotate, the transition rotating shaft 1-15 drives the follower gear 1-17 to rotate, the follower gear 1-17 drives the vertical rack 1-20 to slide downwards in the vertical slideway 1-19, the valve 2-6 is pressed downwards, the valve 2-6 is fully contacted with the pipe orifice of the Christmas tree to be connected, and the valve 2-6 is clamped on the outer wall of the pipeline of the Christmas tree while the two connecting arc plates 1-1 are clamped on the outer wall of the pipeline of the Christmas tree The valve 2-6 is connected with the pipe orifice of the Christmas tree in a butt joint mode, the valve 2-6 is connected with the pipe of the Christmas tree while the valve 2-6 is tightly pressed on the pipe orifice of the Christmas tree, the valve 2-6 is installed, the valve needing to be connected to the Christmas tree does not need to be connected through connecting pieces such as bolts, operation time is saved, connection speed is increased, connection process is simplified, connection efficiency of the valve needing to be connected to the Christmas tree and the pipe orifice of the Christmas tree can be increased, and otherwise the valve 2-6 can be detached.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (6)
1. An integral horizontal oil extraction wellhead device comprises a quick connecting mechanism (1) and a valve clamping mechanism (2), wherein the valve clamping mechanism (2) is connected to the quick connecting mechanism (1), the quick connecting mechanism (1) comprises a connecting arc plate (1-1), a buffer slide rod (1-2), a stress arc plate (1-3), a clamping force arm (1-4), an opening and closing sliding sleeve (1-5), a horizontal screw rod (1-6) and a fixed cross beam (1-7), the two opening and closing sliding sleeves (1-5) are connected to the horizontal screw rod (1-6) through threads, the left end and the right end of the horizontal screw rod (1-6) are respectively and rotatably connected to the left end and the right end of the fixed cross beam (1-7), the two force arm clamping mechanisms (1-4) are respectively and fixedly connected to the front ends of the two opening and closing sliding sleeves (1-5), the rear ends of two opening and closing sliding sleeves (1-5) are connected to a fixed cross beam (1-7) in a sliding mode, two connecting arc plates (1-1) are arranged, two buffer sliding rods (1-2) are fixedly connected to each connecting arc plate (1-1), the outer ends of two stress arc plates (1-3) are fixedly connected to the inner ends of two clamping force arms (1-4) respectively, two buffer sliding rods (1-2) are connected to each stress arc plate (1-3) in a sliding mode, four buffer sliding rods (1-2) are provided with tension springs, and two ends of each tension spring are fixedly connected to the outer end of each buffer sliding rod (1-2) and each stress arc plate (1-3) respectively;
the fixed cross beam (1-7) is provided with a sliding hole, and the sliding hole is used for matching the rear ends of the two opening and closing sliding sleeves (1-5) to be in sliding contact with the fixed cross beam (1-7);
the quick connecting mechanism (1) further comprises a connecting shaft (1-8), a ratchet wheel (1-9), a rotating handle (1-10), a ratchet (1-11), a side plate (1-12) and a locking spring (1-13), wherein the front end and the rear end of the locking spring (1-13) are respectively and fixedly connected with the bottom end of the ratchet wheel (1-11) and the front end of the side plate (1-12), the side plate (1-12) is fixedly connected with the left end of the fixed cross beam (1-7), the ratchet wheel (1-11) is rotatably connected with the left end of the fixed cross beam (1-7), the ratchet wheel (1-9) is fixedly connected on the connecting shaft (1-8), the right end of the connecting shaft (1-8) is fixedly connected with the left end of the horizontal screw rod (1-6), the rotating handle (1-10) is fixedly connected with the left end of the connecting shaft (1-8), the ratchets (1-11) are meshed with the ratchets (1-9) for transmission;
the quick connecting mechanism (1) further comprises a transition rotating shaft (1-15), a driving gear (1-16), a follow-up gear (1-17), a driving rack (1-18), a vertical slideway (1-19) and a vertical rack (1-20), wherein the vertical rack (1-20) is connected in the vertical slideway (1-19) in a sliding manner, the vertical slideway (1-19) is fixedly connected on a fixed cross beam (1-7), the middle part of the transition rotating shaft (1-15) is rotatably connected at the bottom end of the fixed cross beam (1-7), the driving gear (1-16) is fixedly connected at the front end of the transition rotating shaft (1-15), the follow-up gear (1-17) is fixedly connected at the rear end of the transition rotating shaft (1-15), the left end of the driving rack (1-18) is fixedly connected at the rear end of an opening and closing sliding sleeve (1-5) positioned at the left end, the driving racks (1-18) are in meshed transmission with the driving gears (1-16), and the following gears (1-17) are in meshed transmission with the vertical racks (1-20).
2. The integrated horizontal oil recovery wellhead assembly of claim 1, wherein: the quick connecting mechanism (1) further comprises combined sliding chutes (1-14), and the two combined sliding chutes (1-14) are respectively and fixedly connected to the left end and the right end of the bottom end of the fixed cross beam (1-7).
3. An integrated horizontal oil recovery wellhead as claimed in claim 2 in which: the teeth on the driving racks (1-18) are arranged at the bottom ends of the driving racks (1-18).
4. An integrated horizontal oil recovery wellhead as claimed in claim 3 in which: the valve clamping mechanism (2) comprises a clamping cross beam (2-1), a clamping lead screw (2-2), a clamping motor (2-3), a movable holding arm (2-4), an encircling arc plate (2-5) and a valve (2-6), wherein a groove is formed in the front end of the clamping cross beam (2-1), the left end and the right end of the clamping lead screw (2-2) are respectively and rotatably connected to the left end and the right end of the groove, the left end of the clamping lead screw (2-2) is fixedly connected to an output shaft of the clamping motor (2-3), the clamping motor (2-3) is fixedly connected to the left end of the clamping cross beam (2-1), the rear ends of the two movable holding arms (2-4) are both connected to the clamping lead screw (2-2) through threads, and the rear ends of the two movable holding arms (2-4) are both slidably connected in the groove, the rear ends of the two encircling arc plates (2-5) are respectively and fixedly connected to the front ends of the two movable encircling arms (2-4), the outer walls of the valves (2-6) are attached to the inner walls of the two encircling arc plates (2-5), and the bottom ends of the clamping cross beams (2-1) are fixedly connected to the top ends of the vertical racks (1-20).
5. The integrated horizontal oil recovery wellhead assembly of claim 4, wherein: the integrated horizontal oil extraction wellhead device also comprises a quick moving mechanism (3), the quick moving mechanism (3) comprises a pushing underframe (3-1), universal wheels (3-2), an electric cylinder (3-3) and a disassembly connecting block (3-4), the top ends of the two universal wheels (3-2) are respectively and rotatably connected with the front end and the rear end of the bottom end of the pushing underframe (3-1), the bottom end of the electric cylinder (3-3) is fixedly connected with the rear end of the pushing underframe (3-1), the bottom end of the disassembly connecting block (3-4) is fixedly connected with a cylinder rod of the electric cylinder (3-3), the quick moving mechanism (3) is provided with two detaching connecting blocks (3-4), and the top ends of the two detaching connecting blocks are respectively connected in the two combined sliding chutes (1-14) in a sliding manner.
6. An integrated horizontal oil recovery wellhead as claimed in claim 5 in which: the two ends of the combined sliding chutes (1-14) are communicated, and the combined sliding chutes (1-14) and the detachable connecting blocks (3-4) are both T-shaped.
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| CN202110058644.6A CN112696168B (en) | 2021-01-16 | 2021-01-16 | Integral horizontal oil production wellhead assembly |
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| CN202110058644.6A CN112696168B (en) | 2021-01-16 | 2021-01-16 | Integral horizontal oil production wellhead assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113374436B (en) * | 2021-07-22 | 2022-02-15 | 盐城市煜洋石油机械有限公司 | Anticorrosion gas production wellhead assembly |
| CN113404462B (en) * | 2021-08-04 | 2023-12-26 | 义乌市奥飞创意设计有限公司 | Equipment for replacing wellhead valve of oil field assisted by petroleum exploitation |
| CN114000848A (en) * | 2021-10-25 | 2022-02-01 | 中国石油大学(华东) | Wellhead supporting and reinforcing device for mechanical oil extraction |
| CN114161390B (en) * | 2021-11-15 | 2024-05-24 | 淮阴工学院 | Wellhead clamping device capable of being assembled quickly |
| CN114809972B (en) * | 2022-04-06 | 2024-04-19 | 建湖金拓机械制造有限公司 | High-pressure sulfur-resistant and erosion-resistant well control manifold |
| CN114753797B (en) * | 2022-04-25 | 2023-10-20 | 江苏江沅机械有限公司 | Wellhead gas production tree convenient to change |
| CN115929985B (en) * | 2023-01-19 | 2023-06-30 | 江苏苏盐阀门机械有限公司 | Valve for oil extraction and water injection of oil field |
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Address after: 224500 No.22 Industrial Branch Road, Binhai Economic and Technological Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu Jiangyuan Machinery Co.,Ltd. Address before: 224500 No.22 Industrial Branch Road, Binhai Economic and Technological Development Zone, Yancheng City, Jiangsu Province Patentee before: JIANGSU QINGHAI PETROLEUM MACHINERY CO.,LTD. |