CN111794697A - Workover wellhead unmanned operation platform - Google Patents
Workover wellhead unmanned operation platform Download PDFInfo
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- CN111794697A CN111794697A CN202010836659.6A CN202010836659A CN111794697A CN 111794697 A CN111794697 A CN 111794697A CN 202010836659 A CN202010836659 A CN 202010836659A CN 111794697 A CN111794697 A CN 111794697A
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- 230000007246 mechanism Effects 0.000 claims description 63
- 230000002265 prevention Effects 0.000 claims description 39
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 description 9
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
-
- 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
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil extraction in oil fields, in particular to an unmanned operation platform for a well repairing wellhead; the adopted technical scheme is as follows: an unmanned operation platform for a well workover wellhead comprises a workbench, wherein a flange for a pipe rod to pass through is arranged in the middle of the workbench; the pipe pushing device is characterized in that a hydraulic clamp assembly and a pipe pushing assembly are further arranged on the workbench, the hydraulic clamp assembly is used for disassembling and connecting the pipe rod, a hydraulic clamp of the hydraulic clamp assembly can move along the radial direction of the flange, and the pipe pushing assembly is used for pushing the pipe rod away from the workbench. The invention can efficiently and reliably complete the work of lifting and releasing the pipe rod during the well workover of the oil field, realizes the mechanical automation of the lifting and releasing of the pipe rod, and has the characteristics of simple, rapid and safe operation. And in the whole operation process, the position of the workover platform is relatively fixed, the position of equipment is prevented from being adjusted every time of workover, the repeatability of operation is good, and the workover efficiency is high.
Description
Technical Field
The invention relates to the technical field of oil extraction in oil fields, in particular to an unmanned operation platform for a well repairing wellhead.
Background
The oil and gas well has production reduction or production stoppage in the normal production process, and repair or maintenance work, which is called minor repair work, is carried out on the oil and gas well. The basic method of minor repair operation is to take the pipe rod as the main means, take out the original tools and pipe rods in the well, then carry out the project construction according to the construction design, and after the construction purpose is completed, the maintained tools or pumps are put into the preset positions in the well through the pipe rods so as to recover the normal production of the oil-water well. The underground operation (minor repair operation) belongs to the high-risk work of dirt, bitter, tired and danger, has high labor intensity, serious environmental pollution and high safe operation risk, and can be completed by 5-6 persons/shift. Today, the cost of human resources is higher and higher, automation and mechanization of workover operations are inevitable trends in development, and therefore, a mechanized workover wellhead unmanned operation platform is needed.
Disclosure of Invention
Aiming at the problems of high labor intensity and high safety operation risk in the existing oil field well repairing operation, the invention provides the unmanned operation platform for the well repairing wellhead, which can efficiently and reliably complete the work of lifting and releasing the pipe rod in the oil field well repairing process, realizes the mechanical automation of lifting and releasing the pipe rod, and has the characteristics of simple, rapid and safe operation.
The invention is realized by the following technical scheme:
an unmanned operation platform for a well workover wellhead comprises a workbench, wherein a flange for a pipe rod to pass through is arranged in the middle of the workbench; the pipe pushing device is characterized in that a hydraulic clamp assembly and a pipe pushing assembly are further arranged on the workbench, the hydraulic clamp assembly is used for disassembling and connecting the pipe rod, a hydraulic clamp of the hydraulic clamp assembly can move along the radial direction of the flange, and the pipe pushing assembly is used for pushing the pipe rod away from the workbench.
When the pipe lifting rod is used, a hydraulic elevator of a workover rig is firstly lowered to the lower part of a pipe rod coupling, and a lifting ring for hanging the hydraulic elevator is slightly pushed by a righting manipulator of a pipe pushing assembly, so that the pipe rod is clamped by the elevator and the elevator is locked; then pushing back a righting manipulator of the push pipe assembly, opening a pneumatic slip of the workover rig, lifting a pipe lifting rod to a proper position, and closing the pneumatic slip; the hydraulic clamp assembly moves the hydraulic clamp to a wellhead so as to clamp the rotary shackle of the upper and lower pipe rods; the hydraulic tongs return after the two pipe rods are disassembled, the two pipe rods are separated by lifting the pipe rods by the workover rig, the pipe rods are pushed to a pipe rod conveyor of the platform by a centering manipulator of the pipe pushing assembly, the pipe rods are conveyed to a pipe bent frame by the pipe rod conveyor, then the centering manipulator returns, the elevator is stopped when the pipe rods are placed horizontally on the conveyor after being lowered, then the elevator is opened, and then the elevator is lifted; the above actions are repeated, and all the pipe rods in the oil well can be taken out.
When the pipe rod feeding device is used, the pipe rod is conveyed to a wellhead by the conveyor through the pipe rod, the elevator is lowered by the workover rig to clamp the pipe rod to lift, and the pipe pushing part of the pipe pushing assembly moves to the foremost end to be ready to receive the pipe rod after being lifted by a certain height; then continuing to lift the pipe rod to a proper height, returning the centralizing manipulator to the wellhead position, then lowering the elevator, and placing the pipe rod on the upper pipe rod coupling; the hydraulic tong of the hydraulic tong assembly clamps the upper and lower pipe rods to be rotationally buckled, then the hydraulic tong is retracted, the pneumatic slips of the workover rig are opened, the elevator is lowered to a proper position, the slips of the workover rig are closed again, the elevator is opened and lifted up, and the actions are repeated so as to completely lower the pipe rods of the pipe bank into the oil well.
Therefore, the invention can efficiently and reliably complete the work of lifting and releasing the pipe rod during the well workover of the oil field, realizes the mechanical automation of the lifting and releasing of the pipe rod, and has the characteristics of simple, rapid and safe operation. And in the whole operation process, the position of the workover platform is relatively fixed, the position of equipment is prevented from being adjusted every time of workover, the repeatability of operation is good, and the workover efficiency is high.
As a specific implementation mode of the hydraulic tong, the hydraulic tong comprises a main tong and a back-up tong, the hydraulic tong is driven by a hydraulic motor to rotate so as to clamp a pin end of the pipe buckle and the back-up tong clamp a box end of the pipe buckle through the main tong, and then the main tong is driven to rotate through a first rotating mechanism, so that the pin end and the box end of the pipe buckle rotate relatively to realize tripping or threading.
As a specific implementation manner of the hydraulic clamp assembly, the hydraulic clamp assembly includes a fixed frame, the fixed frame is fixedly connected with the workbench, and a first linear driving mechanism is arranged on the fixed frame and used for driving the hydraulic clamp to move.
Furthermore, the hydraulic tong assembly further comprises a vertical buffer mechanism, and the hydraulic tong is connected with the first linear driving mechanism through the vertical buffer mechanism so that the hydraulic tong of the hydraulic tong assembly can vertically float in the vertical direction, and therefore the hydraulic tong assembly is suitable for floating of a pipe rod when the pipe rod is detached and connected.
As a specific implementation manner of pushing pipe, the pushing pipe assembly comprises a centering manipulator and a second linear driving mechanism, and the second linear driving mechanism is used for driving the pushing rod part to move along the width direction of the workbench.
Preferably, the distance from the centering manipulator to the workbench is adjustable so as to adapt to pipe rods with different lengths or pipe rod collars with different positions.
The oil well blowout prevention device comprises a single blowout prevention unit, wherein the single blowout prevention unit is vertical to a workbench, the position of the single blowout prevention unit on the workbench is variable, the lower end of the single blowout prevention unit is used for connecting the upper end of a pipe rod, and the other end of the single blowout prevention unit is used for connecting a cock switch, so that the waste of energy caused by continuous blowout of oil during the oil well blowout repair is prevented.
As a specific implementation mode for driving the single blowout prevention unit to move, the single blowout prevention unit is connected with the workbench through a third linear driving mechanism, and the third linear driving mechanism is used for driving the single blowout prevention unit to move up and down; the third linear driving mechanism is connected with the workbench through a second rotary driving mechanism, and the second rotary driving mechanism is used for driving the blowout prevention single to rotate along the length direction of the third linear driving mechanism.
Furthermore, be equipped with on the workstation and connect oily portion, connect oily portion to be located the flange below to collect the profit of drippage on the pipe pole or the profit that the well head spilled over through connecing oily portion.
Preferably, the adjusting support legs are arranged below the workbench and used for adjusting the height of the workbench, so that the adjustable support legs can adapt to different oil well sites.
The invention has the beneficial effects that:
1. the invention can efficiently and reliably complete the work of lifting and releasing the pipe rod during the well workover of the oil field, realizes the mechanical automation of the lifting and releasing of the pipe rod, and has the characteristics of simple, rapid and safe operation. And in the whole operation process, the position of the workover platform is relatively fixed, the position of equipment is prevented from being adjusted every time of workover, the repeatability of operation is good, and the workover efficiency is high.
2. The blowout prevention single joint is arranged on the workbench, the position of the blowout prevention single joint on the workbench is variable, the lower end of the blowout prevention single joint is used for connecting the upper end of a pipe rod, and the other end of the blowout prevention single joint is used for connecting a cock switch, so that blowout prevention and well shut-in under emergency conditions are realized.
3. Be equipped with on the workstation and connect oily portion, connect oily portion to be located the flange below to collect the profit of drippage or the profit that the well head spilled over on the pipe pole through connecing oily portion.
4. The adjustable support legs are arranged below the workbench and used for adjusting the height of the workbench, and the adjustable support legs can adapt to different oil well sites.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a perspective view of the hydraulic clamp assembly of the present invention;
FIG. 4 is a front view of the hydraulic tong assembly of the present invention;
FIG. 5 is a perspective view of the push tube assembly of the present invention;
FIG. 6 is a perspective view of a single blowout preventer assembly of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a workbench, 2-a flange, 3-a hydraulic clamp, 4-a back-up clamp, 5-a main clamp, 51-a hydraulic motor, 6-a fixed frame, 7-a first linear driving mechanism, 8-a buffer mechanism, 9-a hydraulic clamp bracket, 10-a buffer spring, 11-a guide rod, 12-a centering manipulator, 13-a portal frame, 14-a second linear driving mechanism, 15-a pipe pushing connecting rod, 16-a blowout prevention single, 17-a third linear driving mechanism, 18-a pipe connecting rod, 19-a second rotary driving mechanism, 20-an oil receiving part, 21-an oil drain valve and 22-an adjusting supporting leg.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
An unmanned operation platform for a well workover wellhead comprises a workbench 1, wherein a flange 2 for a pipe rod to pass through is arranged in the middle of the workbench 1; the pipe pushing device is characterized in that a hydraulic clamp assembly and a pipe pushing assembly are further arranged on the workbench 1, the hydraulic clamp assembly is used for disassembling and connecting a pipe rod, a hydraulic clamp of the hydraulic clamp assembly can move along the radial direction of the flange 2, and the pipe pushing assembly is used for pushing the pipe rod away from the workbench 1.
As a specific embodiment of the hydraulic clamp, the hydraulic clamp includes a main clamp 3 and a back clamp 4, the main clamp 3 is driven by a hydraulic motor 51 to rotate so as to clamp a box end of a pipe buckle through the back clamp 4 and clamp a pin end of the pipe buckle through the main clamp 3, and then the main clamp 3 is driven by the hydraulic motor 51 to rotate, so that the pin end and the box end of the pipe buckle rotate relatively to realize the tripping or buckling.
It can be understood that, however, the jaws of the main tong 3 and the back-up tong 4 are arranged in parallel for clamping the pipe clamp, and the main tong 5 is connected with a hydraulic tong, and the main tong 5 is driven to rotate by a hydraulic motor 51, which may be a hydraulic motor or a gear mechanism driven by the hydraulic motor, a pulley mechanism or a worm and gear mechanism.
As a specific embodiment of the hydraulic clamp assembly, the hydraulic clamp assembly includes a fixed frame 6, the fixed frame 6 is fixedly connected with the workbench 1, a first linear driving mechanism 7 is arranged on the fixed frame 6, and the first linear driving mechanism 7 is used for driving the hydraulic clamp to move. In this embodiment, the first linear driving mechanism 7 is a rack and pinion mechanism driven by a motor, the hydraulic clamp 3 and the gear are disposed on a slider, the slider is slidably connected to the fixed frame 6, and a rack is disposed on the fixed frame 6 to drive the slider to slide along the length of the rack by the rotation of the gear on the slider driven by the motor, so as to move the hydraulic clamp.
Furthermore, the hydraulic tong assembly further comprises a vertical buffer mechanism 8, and the hydraulic tong is connected with the first linear driving mechanism 7 through the vertical buffer mechanism 8, so that the hydraulic tong of the hydraulic tong assembly can vertically float in the vertical direction, and the pipe rod is adaptive to floating when the pipe rod is detached and connected. Specifically, the hydraulic clamp assembly comprises a hydraulic clamp bracket 9, the hydraulic clamp bracket 9 is fixedly connected with the moving end of the first linear driving mechanism 7, and the hydraulic clamp is connected with the hydraulic clamp bracket 9 through a buffer mechanism 8; as a specific embodiment of the buffer mechanism 8, the buffer mechanism includes a guide rod 11, the guide rod 11 is vertically disposed and slidably connected to the hydraulic tong bracket 9, and a buffer spring 10 is sleeved outside a rod portion of the guide rod 11 to absorb the impact between the hydraulic tong and the hydraulic tong bracket 9 through the buffer spring 10.
As a specific embodiment of the push pipe pushing, the push pipe assembly includes a righting manipulator 12 and a second linear driving mechanism 14, and the second linear driving mechanism is used for driving the push rod part to move along the width direction of the workbench 1. The righting manipulator 12 is erected on the workbench 1 through a portal frame 13, and meanwhile, a second linear driving mechanism 14 is arranged on the portal frame 13; similarly, the second linear driving mechanism 14 may be a rack and pinion mechanism, a linear motor mechanism, a hydraulic cylinder, etc., in this embodiment, the second linear driving mechanism 14 is a rack and pinion mechanism driven by a motor, the centering manipulator 12 and a gear are disposed on a slider, the slider is slidably connected to the door fixing frame 13, and a rack is disposed on the door fixing frame 13, so that the motor drives the gear on the slider to rotate, and the slider is driven to slide along the length of the rack, thereby realizing the movement of the centering manipulator 12.
Preferably, the distance from the centering manipulator 12 to the workbench 1 is adjustable to adapt to pipe poles of different lengths or pipe pole collars with different positions. Particularly, the righting manipulator 12 is connected with a sliding block on the door-shaped frame 13 through a push pipe connecting rod 15, the push rod connecting rod 15 is L-shaped, the horizontal section of the push pipe connecting rod 15 is fixedly connected with the righting manipulator 12, the vertical section of the push pipe connecting rod 15 is inserted on a sliding sleeve arranged on the sliding block on the door-shaped frame 13, pin holes are formed in the vertical section of the push pipe connecting rod 15 and the sliding sleeve, so that the connection between the door-shaped frame 13 and the push pipe connecting rod 15 is realized through a limiting pin, and the height adjustment of the push pipe 12 can be realized only by changing the pin holes in the push pipe connecting rod 15 connected with the positioning pin.
Further, the single blowout prevention unit 16 is further included, the single blowout prevention unit 16 is arranged perpendicular to the workbench 1, the position of the single blowout prevention unit 16 on the workbench 1 can be changed, the lower end of the single blowout prevention unit 16 is used for being connected with the upper end of a pipe rod, and the other end of the single blowout prevention unit 16 is used for being connected with a cock switch, so that waste of energy caused by continuous blowout of oil during workover well blowout is prevented.
As a specific embodiment for driving the single blowout prevention unit 16 to move, the single blowout prevention unit 16 is connected with the workbench 1 through a third linear driving mechanism 17, and the third linear driving mechanism 17 is used for driving the single blowout prevention unit 16 to move up and down; the third linear driving mechanism 17 is connected with the workbench 1 through a second rotating mechanism 19, and the second rotating mechanism 19 is used for driving the blowout prevention single 16 to rotate along the length direction of the third linear driving mechanism 17. So that the single blowout preventer 16 is driven to rotate above the pipe string nozzle by the second rotary driving mechanism 19, and the single blowout preventer 16 is driven to move to be in contact with the pipe string nozzle by the third linear driving mechanism 17.
The blowout prevention single joint 16 is fixed on the connecting pipe connecting rod 18 at ordinary times, and the whole mechanism is arranged on one side of the workover platform, so that the workover operation of the platform is not influenced. After a blowout occurs, the blowout prevention single joint 16 is rotated to the position above a wellhead through a second rotary driving mechanism (in the embodiment, a worm gear driven by a hydraulic motor) speed reducer, the height is adjusted through a third linear driving mechanism 17 (in the embodiment, a hydraulic rod), the blowout prevention single joint 16 is placed at a pipe rod coupling, and a blowout prevention short circuit is quickly installed by matching with a hydraulic tong assembly on a workover platform, so that a blowout prevention well is salvaged in an emergency situation through a cock switch on the blowout prevention single joint 16.
Further, be equipped with on the workstation 1 and connect oil portion 20, connect oil portion 20 to be located flange 2 below to collect the profit of the profit that drips on the pipe pole or the profit that the well head spills over through connecting oil portion 20. The oil receiving portion 20 is a funnel-shaped or other recessed groove body, and an oil drain valve 21 is arranged at the bottom of the oil receiving portion 20 so as to collect oil and water collected by the oil receiving portion 20.
Preferably, an adjusting support leg 22 is arranged below the workbench 1, and the adjusting support leg 22 is used for adjusting the height of the workbench 1 and can adapt to different oil well sites. It should be understood that the adjustment leg 22 may be a hydraulic rod, a threaded rod and sleeve that are threaded to each other, or any other suitable length adjustable rod.
Description of the present embodiment:
when the pipe lifting rod is used, a hydraulic elevator of a workover rig is firstly lowered to the position below a pipe rod coupling, and a lifting ring of the hydraulic elevator is lightly pushed and hung through a righting manipulator 12 of a pipe pushing assembly, so that the pipe rod is clamped by the elevator and the elevator is locked; then pushing back the righting manipulator 12 of the push pipe assembly, opening a pneumatic slip of the workover rig, lifting the pipe rod to a proper position, and closing the pneumatic slip; the hydraulic clamp assembly moves the hydraulic clamp to a wellhead so as to clamp the rotary shackle of the upper and lower pipe rods; the hydraulic tongs return after the two pipe rods are disassembled, the two pipe rods are separated by lifting the pipe rods by the workover rig, the pipe rods are pushed to a pipe rod conveyor of the platform by a straightening manipulator 12 of a pipe pushing assembly, the pipe rods are conveyed to a pipe bent frame by the pipe rod conveyor, then the straightening manipulator 12 returns, the elevator is stopped when the pipe rods are horizontally placed on the conveyor after the elevator is lowered, then the elevator is opened, and then the elevator is lifted; the above actions are repeated, and all the pipe rods in the oil well can be taken out.
When the pipe rod is lowered by using the pipe rod lowering device, the pipe rod is conveyed to a wellhead by the conveyor through the pipe rod, the elevator is lowered by the workover rig to clamp the pipe rod to lift upwards, and after the pipe rod is lifted by a certain height, the pipe supporting part of the pipe pushing assembly moves to the foremost end to prepare for receiving the pipe rod; then continuing to lift the pipe rod to a proper height, withdrawing the righting manipulator 12 to the wellhead position, then lowering the elevator, and placing the pipe rod on an upper pipe rod coupling; the hydraulic tong of the hydraulic tong assembly clamps the upper and lower pipe rods to be rotationally buckled, then the hydraulic tong is retracted, the pneumatic slips of the workover rig are opened, the elevator is lowered to a proper position, the slips of the workover rig are closed again, the elevator is opened and lifted up, and the actions are repeated so as to completely lower the pipe rods of the pipe bank into the oil well.
Therefore, the invention can efficiently and reliably complete the work of lifting and releasing the pipe rod during the well workover of the oil field, realizes the mechanical automation of the lifting and releasing of the pipe rod, and has the characteristics of simple, rapid and safe operation. And in the whole operation process, the position of the workover platform is relatively fixed, the position of equipment is prevented from being adjusted every time of workover, the repeatability of operation is good, and the workover efficiency is high.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An unmanned operation platform for a well repairing wellhead comprises a workbench (1), and is characterized in that a flange (2) for a pipe rod to pass through is arranged in the middle of the workbench (1); the pipe pushing device is characterized in that a hydraulic clamp assembly and a push pipe assembly are further arranged on the workbench (1), the hydraulic clamp assembly is used for screwing on and off the pipe rod, a hydraulic clamp of the hydraulic clamp assembly can move along the radial direction of the flange (2), and the push pipe assembly is used for pushing the pipe rod away from the workbench (1).
2. A workover wellhead unmanned work platform according to claim 1, characterized in that the hydraulic tong comprises a main tong (3) and a back-up tong (4), the main tong (3) being driven in rotation by a hydraulic motor (51) to the main tong (5).
3. The unmanned workover wellhead operation platform according to claim 1, wherein the hydraulic tong assembly comprises a fixed frame (6), the fixed frame (6) is fixedly connected with the workbench (1), a first linear driving mechanism (7) is arranged on the fixed frame (6), and the first linear driving mechanism (7) is used for driving the hydraulic tong to move.
4. The workover wellhead unmanned work platform of claim 2, wherein the hydraulic tong assembly further comprises a vertical buffer mechanism (8), and the hydraulic tong is connected with the first linear drive mechanism (7) through the vertical buffer mechanism (8).
5. The workover wellhead unmanned work platform of claim 1, wherein the push pipe assembly comprises a centralizing manipulator (12) and a second linear drive mechanism (14) for driving the push rod portion to move along the width direction of the workbench (1).
6. A workover wellhead unmanned work platform according to claim 5, characterized in that the distance of the righting manipulator (12) to the work bench (1) is adjustable.
7. The unmanned workover wellhead work platform according to claim 1, further comprising a blowout prevention pup joint (16), wherein the blowout prevention pup joint (16) is arranged vertical to the workbench (1), the position of the blowout prevention pup joint (16) on the workbench (1) is variable, the lower end of the blowout prevention pup joint (16) is used for connecting the upper end of a pipe rod, and the other end of the blowout prevention pup joint (16) is used for connecting a cock switch.
8. The unmanned workover wellhead operation platform according to claim 7, wherein the blowout prevention pup joint (16) is connected with the workbench (1) through a third linear driving mechanism (17), and the third linear driving mechanism (17) is used for driving the blowout prevention pup joint (16) to move up and down; the third linear driving mechanism (17) is connected with the workbench (1) through a second rotary driving mechanism (19), and the second rotary driving mechanism (19) is used for driving the blowout prevention short circuit (16) to rotate along the length direction of the third linear driving mechanism (17).
9. A workover wellhead unmanned aerial vehicle platform according to claim 1, characterized in that the work bench (1) is provided with an oil receiving portion (20), and the oil receiving portion (20) is located below the flange (2).
10. The workover wellhead unmanned work platform of claim 1, characterized in that an adjusting leg (22) is arranged below the work bench (1), and the adjusting leg (22) is used for adjusting the height of the work bench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836659.6A CN111794697A (en) | 2020-08-19 | 2020-08-19 | Workover wellhead unmanned operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836659.6A CN111794697A (en) | 2020-08-19 | 2020-08-19 | Workover wellhead unmanned operation platform |
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| Publication Number | Publication Date |
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| CN111794697A true CN111794697A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010836659.6A Pending CN111794697A (en) | 2020-08-19 | 2020-08-19 | Workover wellhead unmanned operation platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412380A (en) * | 2020-11-23 | 2021-02-26 | 大庆油田有限责任公司 | Oil field operation vehicle-mounted wellhead operation floating sealing platform |
| CN112814594A (en) * | 2021-03-17 | 2021-05-18 | 弘朗瑞智能装备制造有限公司 | Wellhead platform of intelligent workover rig |
| CN113914794A (en) * | 2021-12-15 | 2022-01-11 | 智慧猫(东营)智能科技有限公司 | Automatic screwing-on and unscrewing device for oil pumping rod for oil field |
-
2020
- 2020-08-19 CN CN202010836659.6A patent/CN111794697A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412380A (en) * | 2020-11-23 | 2021-02-26 | 大庆油田有限责任公司 | Oil field operation vehicle-mounted wellhead operation floating sealing platform |
| CN112412380B (en) * | 2020-11-23 | 2022-07-19 | 大庆油田有限责任公司 | Oil field operation vehicle-mounted wellhead operation floating sealing platform |
| CN112814594A (en) * | 2021-03-17 | 2021-05-18 | 弘朗瑞智能装备制造有限公司 | Wellhead platform of intelligent workover rig |
| CN113914794A (en) * | 2021-12-15 | 2022-01-11 | 智慧猫(东营)智能科技有限公司 | Automatic screwing-on and unscrewing device for oil pumping rod for oil field |
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