CN110067520B - Automatic wellhead operation device for oilfield workover operation - Google Patents
Automatic wellhead operation device for oilfield workover operation Download PDFInfo
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- CN110067520B CN110067520B CN201910412724.XA CN201910412724A CN110067520B CN 110067520 B CN110067520 B CN 110067520B CN 201910412724 A CN201910412724 A CN 201910412724A CN 110067520 B CN110067520 B CN 110067520B
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- 230000008878 coupling Effects 0.000 claims abstract description 63
- 238000010168 coupling process Methods 0.000 claims abstract description 63
- 238000005859 coupling reaction Methods 0.000 claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000007667 floating Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 2
- 230000008439 repair process Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005457 optimization 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
- 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
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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
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an automatic wellhead operation device for oil field well repair operation, which comprises a machine body, wherein a working platform is arranged in the middle of the machine body, a central hole for an oil pipe to be lifted and lowered is formed in the working platform, a safety slip is arranged on the machine body below the central hole, and a hydraulic clamp, a splash-proof buckling device and a coupling locator which are controlled to reciprocate to a space above the central hole of the working platform are arranged on the machine body on one side of the working platform; the lower part of the machine body is also provided with an oil pipe pushing and supporting device, and a set of mechanism capable of freely swinging under the action of self gravity is designed by adopting the electro-permanent magnet suction pipe principle, so that the accurate centering of the oil pipe on the coupling is realized, and the reliability and stability of the automatic operation are improved; meanwhile, through innovative design of each execution part of the well repairing platform, the structure is compact and simple, the operation space of the platform is increased, and manual operation and wellhead rescue operation are facilitated. Compared with the prior art, the invention increases the operation space of the platform, has accurate movement positioning and realizes the accurate reliability of well repair.
Description
Technical Field
The invention belongs to the technical field of oilfield workover operation, and particularly relates to an automatic wellhead operation device for oilfield workover operation.
Background
At present, although some automatic equipment is adopted in oil field well repairing operation, unmanned operation of a wellhead is realized, the labor intensity of workers is greatly reduced, the operation environment is improved, and the safety coefficient is improved, but in windy weather operation, an oil pipe cannot swing together with a pipe pushing device, the pipe pushing device cannot accurately center the oil pipe on a coupling, and the reliability and the stability of automatic operation are affected; meanwhile, the equipment has more movement mechanisms and is distributed around the wellhead, so that the manual intervention operation space is small, and the rescue efficiency is influenced particularly in the well control rescue link.
Disclosure of Invention
Aiming at the defects, the invention provides an automatic wellhead operation device for oil field well repairing operation, which mainly realizes accurate centering of a coupling of an oil pipe, improves reliability and stability of automatic operation, and increases platform operation space by innovatively designing and reasonably distributing each execution part of a well repairing platform, thereby facilitating manual operation and wellhead rescue operation.
The technical scheme of the invention is as follows:
An automatic wellhead operation device for oil field well repair operation comprises a machine body, wherein a working platform is arranged in the middle of the machine body, a central hole for an oil pipe to be lifted and used for oil pipe to be discharged is formed in the working platform, and a safety slip is arranged on the machine body below the central hole;
the machine body at one side of the working platform is provided with a hydraulic clamp, a splash-proof buckling device and a coupling positioner, wherein the hydraulic clamp, the splash-proof buckling device and the coupling positioner are controlled to reciprocate to a space above a central hole of the working platform;
The oil pipe pushing and supporting device is further arranged at the lower part of the machine body and comprises an electromagnet, a push rod mechanical arm, a rotating shaft, a third hydraulic cylinder, a connecting shaft and a magnet arm, wherein: the magnet arm, the push rod mechanical arm and the connecting shaft are sequentially connected in front of, in middle of and behind to form a main body bracket; the electromagnet is arranged on the magnet arm; the push rod mechanical arm is hinged with the machine body through the rotating shaft; one end of the overturning hydraulic cylinder is hinged with the machine body, the other end of the overturning hydraulic cylinder is hinged with the connecting shaft, and the main body support can be driven to overturn when the third hydraulic cylinder acts so as to enable the electromagnet to be close to or far away from the space above the center hole of the working platform.
Further, the electromagnet is connected with the magnet arm through a bearing.
Further, one end of the third hydraulic cylinder body is hinged with the machine body, and the front end of the hydraulic cylinder piston is movably connected with a contact and is hinged with the connecting shaft through the contact.
Furthermore, a moving mechanism controlled to be matched with the hydraulic pliers and the splash-proof buckle device to realize reciprocating movement along the hydraulic pliers and the splash-proof buckle device are arranged on the machine body at one side of the working platform, and the hydraulic pliers and the splash-proof buckle device are spatially positioned above the working platform.
Further, the hydraulic pliers are arranged on the moving mechanism and are transversely arranged, the splash-proof buckle comprises two half splash shields which are longitudinally arranged at intervals in a relative mode, the splash shields are half pipe bodies with circular arc-shaped cross sections, and the rear ends of the splash shields are connected with the moving mechanism through a fourth hydraulic cylinder.
Further, the moving mechanism is a pallet wheel mechanism, the pallet wheel mechanism comprises a pallet transversely arranged at the upper part and vertical side plates respectively connected with two sides of the lower surface of the pallet in a downward extending way, wheels are respectively arranged at the lower parts of the vertical side plates, a guide rail is arranged on the upper plane of the machine body, and the wheels are arranged in the guide rail in a limiting way and can roll along the guide rail; the hydraulic pliers and the splash-proof buckling device are both arranged on the supporting plate; and a second hydraulic cylinder which is used for driving the pallet wheel mechanism to move and is transversely arranged is also connected between the machine body and the pallet wheel mechanism.
Still further preferably, the fourth hydraulic cylinder of the anti-splash buckle is connected with the supporting plate through a positioning bottom plate; the hydraulic pliers are connected with the supporting plate through a floating platform.
Further, the coupling locator is arranged on the machine body below the splash-proof buckle butt-joint device and comprises a bottom plate, a jack, a coupling locating frame and a coupling quick-change connector, wherein the lower end of the jack is connected with the bottom plate, the upper end of the jack is connected with the coupling locating frame, and the coupling quick-change connector is installed on the coupling locating frame; the coupling quick-change joint is a half pipe body with an arc-shaped cross section, U-shaped notches are formed in openings at one side of the coupling locating rack and one side of the bottom plate, and the two U-shaped notches correspond to a central hole of the coupling quick-change joint half pipe body; the tail of the bottom plate is connected with one end of a first hydraulic cylinder, and the other end of the first hydraulic cylinder is connected with the machine body.
Still more preferably, the bottom of both sides face of bottom plate is equipped with L type slide, L type slide with work platform constitutes spacing sliding fit in the horizontal direction.
Furthermore, the safety slips, the hydraulic pliers, the splash-proof buckling device, the coupling positioner and the oil pipe pushing and supporting device are all electrically connected with a control cabinet arranged on the machine body to realize automatic control actions.
According to the invention, by adopting the electro-permanent magnet suction pipe principle, a set of mechanism capable of freely swinging under the action of self gravity is designed, so that the oil pipe is accurately centered to the coupling, and the reliability and stability of automatic operation are improved; meanwhile, through innovative design and reasonable layout of each execution part of the well repairing platform, the well repairing platform is compact and simple in structure, increases the operation space of the platform, and is convenient for manual operation and well head rescue operation. Compared with the prior art, the invention has accurate movement positioning and realizes the accurate reliability of well repair.
Drawings
FIG. 1 is a schematic view of the present apparatus in an assembled position in the field;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic diagram of the structure of the tubing walker;
FIG. 5 is a schematic view of the construction of the splash guard;
FIG. 6 is a schematic structural view of a collar locator;
FIG. 7 is a schematic structural view of a pallet wheel mechanism;
Wherein: 1 is a machine body, 2 is a safety slip, 3 is an oil pipe pushing and supporting device, 4 is a splash-proof buckling device, 5 is a hydraulic clamp, 6 is a floating platform, 7 is a coupling locator, 8 is a supporting plate wheel mechanism, 9 is a connecting flange, 10 is a first hydraulic cylinder, 11 is a working platform, 12 is a second hydraulic cylinder, 13 is a central hole, 14 is an electromagnet, 15 is a push rod mechanical arm, 16 is a rotating shaft, 17 is a third hydraulic cylinder, 18 is a connecting shaft, 19 is a splash guard, 20 is a fourth hydraulic cylinder, 21 is a positioning bottom plate, 22 is a coupling quick-change connector, 23 is a coupling positioning frame, 24 is a jack, 25 is a bottom plate, 26 is an L-shaped sliding plate, 27 is an oil pipe, 28 is the device, 29 is a control cabinet, 30 is a blowout preventer, 31 is a magnet arm, 32 is a supporting plate, 33 is a vertical side plate, 34 is a wheel, and 35 is a guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1-6, an automatic wellhead operation device for oil field well repair operation comprises a machine body 1, wherein the machine body 1 is formed by welding square pipes, a working platform 11 is arranged in the middle of the machine body 1, a central hole 13 for lifting and discharging oil pipes is formed in the working platform 11, a safety slip 2 is arranged on the machine body below the central hole 13, the safety slip 2 belongs to conventional equipment capable of automatically clamping the oil pipes, and a connecting flange 9 which is in butt joint with a blowout preventer 30 is arranged below the safety slip 2.
The hydraulic pliers 5, the splash-proof buckling device 4 and the coupling locator 7 which are controlled to reciprocate to the space above the central hole 13 of the working platform 11 are arranged on the machine body at one side of the working platform 11; the method comprises the following steps:
The machine body on one side of the working platform 11 is provided with a moving mechanism (the moving mechanism is connected with the machine body 1 through a second hydraulic cylinder 12, namely, the moving mechanism is driven by the second hydraulic cylinder 12 to realize reciprocating linear movement), the hydraulic pliers 5 and the splash-proof buckling device 4 are arranged on the moving mechanism, and the hydraulic pliers and the splash-proof buckling device are spatially arranged above the working platform 11. Based on space optimization design, the hydraulic pliers 5 are transversely arranged on the moving mechanism, namely one ends of the main pliers and the back pliers are positioned at the inner side and point to the working platform 11; the splash guard comprises two halves of splash guards 19 which are longitudinally (perpendicular to the arrangement direction of the hydraulic pliers, mutually staggered and mutually noninterfered in action) oppositely arranged at intervals, the splash guards 19 are half pipe bodies with circular arc cross sections, the rear ends of the splash guards are connected with the moving mechanism through a fourth hydraulic cylinder 20, and the two halves of splash guards 19 can be made into different specifications according to different oil pipe sizes, so that the oil pipe clamping of different specifications is realized.
The coupling locator 7 is arranged on the machine body 1 below the splash-proof butt-joint device 4 and comprises a bottom plate 25, a jack 24, a coupling locating frame 23 and a coupling quick-change connector 22, wherein the lower end of the jack 24 is connected with the bottom plate 25, the upper end of the jack is connected with the coupling locating frame 23, and the coupling quick-change connector 22 is arranged on the coupling locating frame 23; the coupling quick-change joint 22 is a half pipe body with a circular arc-shaped cross section, one sides of the coupling locating frame 23 and the bottom plate 25 are opened to form U-shaped notches, and the two U-shaped notches correspond to the central hole of the half pipe body; the afterbody of bottom plate 25 is connected with the one end of first hydraulic cylinder 10, and the other end of first hydraulic cylinder 10 is connected with fuselage 1, and the both sides face bottom of bottom plate 25 is equipped with L type slide 26, and L type slide 26 constitutes spacing sliding fit with work platform 11 in the horizontal direction. The coupling quick-change connector 22 can be made into different specifications according to different oil pipe sizes, so that accurate centering and positioning of the oil pipes with different specifications are realized.
The oil pipe pushing and supporting device 3 is also installed at the lower part of the machine body 1, and comprises an electromagnet 14, a push rod mechanical arm 15, a rotating shaft 16, a second hydraulic cylinder 17, a connecting shaft 18 and a magnet arm 31, wherein: the magnet arm 31 and the push rod mechanical arm 15 (two of which are arranged at intervals) are sequentially connected with the front, middle and rear parts of the connecting shaft 18 to form a main body bracket (frame type); the electromagnet 14 is arranged on the magnet arm 31 through a bearing (the electromagnet can freely rotate around the magnet arm under the action of gravity); the push rod mechanical arm 15 is hinged with the machine body 1 through a rotating shaft 16; one end of the cylinder body of the third hydraulic cylinder 17 is hinged with the machine body 1, one end front part of the piston is movably connected (threaded) with a contact and is hinged with the connecting shaft 18 through the contact, and the third hydraulic cylinder 17 can drive the main body support to turn over when acting so as to realize that the electromagnet 14 is close to or far away from the space above the central hole 13 of the working platform 11.
The safety slips 2, the hydraulic pliers 5, the splash-proof buckling device 4 and the coupling positioner 7 are electrically connected with a control cabinet 29 arranged on the machine body 1 to realize automatic control actions, and the control system belongs to conventional electric control technology and is not described again.
The working process of the equipment comprises pipe lifting and pipe discharging operation, and the specific process is as follows:
1. And (3) starting a pipe:
Before the workover operation begins, the device 28 is hoisted above the blowout preventer 30 by using a crane, the device is in butt joint with the blowout preventer 30 through the connecting flange 9 on the device 28, the safety slips 2 are opened after the butt joint is finished, then the workover machine lifts the lower end face of the coupling on the oil pipe to be in the same height state as the upper end face of the coupling quick-change joint 22, the safety slips 2 are closed, the oil pipe body is held tightly, and the preparation work of the device 28 is finished before the workover operation.
The elevator opens before the elevator is lowered to a position closer to the tubing collar. The elevator is lowered onto the working platform 11, i.e. the upper end face of the elevator is lower than the lower end face of the tubing collar, but the elevator does not contact the working platform 11, the elevator swings back, and the elevator is closed. The elevator moves upwards relative to the oil pipe under the traction force of the workover rig until the elevator clamps the lower end face of the coupling of the oil pipe, and the safety slips 2 are opened. The elevator continues to lift the oil pipe to the coupling and exposes the well head under workover rig traction force, first hydraulic cylinder 10 stretches out, coupling locator 7 moves along work platform 11 horizontal migration and reaches the well head, jack 24 rises, coupling quick change joint 22 rises, the oil pipe coupling falls to coupling quick change joint 22, safety slips 2 are closed, jack 24 descends, coupling quick change joint 22 descends, first hydraulic cylinder 10 withdraws, and coupling locator 7 returns to the initial position. The second hydraulic cylinder 12 is retracted, the moving mechanism is controlled to move towards the working platform 11 along the machine body 1, the hydraulic pliers 5 are advanced to move to the wellhead position, the hydraulic pliers 5 are tripped, and the main pliers and the back pliers are reset. The hydraulic cylinder 12 extends out, the moving mechanism is controlled to move until the anti-splashing butt-buckling device 4 reaches the wellhead, the fourth hydraulic cylinder 20 extends out, the two half anti-splashing shields 19 of the anti-splashing butt-buckling device 4 are closed, and the lifting elevator enables the lower end of the oil pipe to be separated from the oil pipe coupling, but the oil pipe is still in the anti-splashing butt-buckling device 4 and is in a drainage state. The fourth hydraulic cylinder 20 is retracted, the lifting elevator is lifted to the lower end surface of the oil pipe coupling and is higher than the upper end of the anti-splashing butt-buckling device 4, the third hydraulic cylinder 17 is retracted, the oil pipe pushing and supporting device 3 reaches the wellhead position and pushes the oil pipe to the connecting position of the trough through the electromagnet 14, the lifting elevator is continuously lowered, the oil pipe pushing and supporting device 3 returns to the initial position, the oil pipe falls into the trough, the lifting elevator is opened, the lifting elevator falls down, the trough drives the oil pipe to withdraw from the lifting elevator, the lifting elevator swings sideways, and the pipe lifting circulation work is finished.
2. And (3) lower pipe:
The elevator is opened, the trough belt pipe is lifted to a pipe feeding position, the elevator is lowered, the trough pipe passes through the elevator, the elevator is lifted to the elevator to pocket the oil pipe, the elevator is closed, the elevator is lifted, the third hydraulic cylinder 17 is retracted, the oil pipe pusher 3 reaches the electromagnet 14 at the trough pipe taking-over position to suck the oil pipe, the hydraulic cylinder 12 is extended, the moving mechanism is controlled to move to the anti-splashing butt-buckling device 4 to reach the wellhead position, the fourth hydraulic cylinder 20 is extended, the anti-splashing butt-buckling device 4 is closed to hold the coupling, the third hydraulic cylinder 17 is extended, the oil pipe pusher 3 sucks the oil pipe at the trough pipe taking-over position to align with the wellhead center, the trough is retracted, the elevator is lowered to the completion of the oil pipe and the oil pipe coupling butt-buckling, the electromagnet 14 loses suction, the fourth hydraulic cylinder 20 is retracted, the two half covers 19 of the anti-splashing butt-buckling device 4 are opened, the third hydraulic cylinder 17 is extended, the oil pipe pusher 3 is retracted to the initial position, the second hydraulic cylinder 12 is retracted, the moving mechanism is controlled to move towards the working platform 11 along the machine body 1, the moving mechanism advances to the position where the hydraulic tongs 5 move to the wellhead, the hydraulic tongs 5 are buckled, the main tongs and the back tongs are reset, the second hydraulic cylinder 12 stretches out, the hydraulic tongs 5 returns to the initial position, the lifting elevator is lifted up, the safety slips 2 are opened, after the tubing coupling is lowered into the well, the first hydraulic cylinder 10 stretches out, the coupling locator 7 reaches the wellhead position, the jack 24 is lifted up, the coupling locating rack 23 is lifted together, the lifting elevator is lowered onto the coupling locating rack 23, the safety slips 2 are closed, the jack 24 is lowered, the coupling locating rack 23 is lowered, the first hydraulic cylinder 10 is retracted, the coupling locator 7 returns to the initial position, the elevator is opened, the lifting elevator swings back, the elevator is turned over, and the lower pipe circulation work is finished.
Example 2
Referring to fig. 1-7, an automatic wellhead operation device for oilfield workover operation is disclosed, on the basis of the structure of embodiment 1, a moving mechanism is preferably a pallet wheel mechanism 8, the pallet wheel mechanism 8 comprises a pallet 32 with the upper part transversely arranged and vertical side plates 33 with the two sides of the lower surface respectively connected in a downward extending manner, wheels 34 are respectively arranged below the vertical side plates 33, a guide rail 35 is arranged on the upper plane of a machine body 1, and the wheels 34 are arranged in the guide rail 35 in a limiting manner and can roll along the guide rail; the hydraulic pliers 5 and the splash-proof buckle 4 are both arranged on the supporting plate 32; a second hydraulic cylinder 12 is mounted on the fuselage 1 and is connected at one end to the pallet wheel mechanism 8. I.e. a structure similar to a moving trolley is adopted to realize the reciprocating movement of the hydraulic clamp 5 and the splash-proof button 4.
The working process of the device is the same as that of embodiment 1, and will not be described again.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (8)
1. The utility model provides an automatic well head operation device is used in oil field workover, includes fuselage (1), the middle part of fuselage (1) is equipped with work platform (11), open on work platform (11) have the supply to play, the effective centre bore (13) of oil drain, install safety slips (2), its characterized in that on the fuselage of centre bore (13) below: the machine body at one side of the working platform (11) is provided with a hydraulic clamp (5), a splash-proof buckling device (4) and a coupling positioner (7), wherein the hydraulic clamp (5), the splash-proof buckling device (4) and the coupling positioner (7) are controlled to reciprocate to a space above a center hole (13) of the working platform (11);
Oil pipe pushing and supporting device (3) are also installed at the lower part of the machine body (1), wherein the oil pipe pushing and supporting device comprises an electromagnet (14), a push rod mechanical arm (15), a rotating shaft (16), a third hydraulic cylinder (17), a connecting shaft (18) and a magnet arm (31), and the oil pipe pushing and supporting device comprises: the magnet arm (31), the push rod mechanical arm (15) and the connecting shaft (18) are sequentially connected in front, middle and back to form a main body bracket; the electromagnet (14) is arranged on the magnet arm (31); the push rod mechanical arm (15) is hinged with the machine body (1) through the rotating shaft (16); one end of the third hydraulic cylinder (17) is hinged with the machine body (1), the other end of the third hydraulic cylinder is hinged with the connecting shaft (18), and the third hydraulic cylinder (17) can drive the main body support to turn over when acting so as to enable the electromagnet (14) to be close to or far away from the space above the central hole (13) of the working platform (11);
The coupling locator (7) is arranged on the machine body (1) below the splash-proof buckle butt-joint device (4), and comprises a bottom plate (25), a jack (24), a coupling locating frame (23) and a coupling quick-change connector (22), wherein the lower end of the jack (24) is connected with the bottom plate (25), the upper end of the jack is connected with the coupling locating frame (23), and the coupling quick-change connector (22) is installed on the coupling locating frame (23); the coupling quick-change joint (22) is a half pipe body with a circular arc-shaped cross section, one sides of the coupling locating frame (23) and the bottom plate (25) are opened to form U-shaped notches, and the two U-shaped notches correspond to the central hole of the half pipe body of the coupling quick-change joint (22); the tail part of the bottom plate (25) is connected with one end of a first hydraulic cylinder (10), and the other end of the first hydraulic cylinder (10) is connected with the machine body (1);
The safety slips (2), the hydraulic pliers (5), the splash-proof buckling device (4), the coupling positioner (7) and the oil pipe pushing device (3) are electrically connected with a control cabinet (29) arranged on the machine body (1) to realize automatic control action.
2. An automated wellhead operation device for oilfield workover operations as defined in claim 1, wherein: the electromagnet (14) is connected with the magnet arm (31) through a bearing.
3. An automated wellhead operation device for oilfield workover operations as defined in claim 1, wherein: one end of the cylinder body of the third hydraulic cylinder (17) is hinged with the machine body (1), and the front end of the piston of the third hydraulic cylinder (17) is movably connected with a contact and is hinged with the connecting shaft (18) through the contact.
4. An automated wellhead operation device for oilfield workover operations as defined in claim 1, wherein: the machine body on one side of the working platform (11) is provided with a moving mechanism controlled to be matched with the working platform to realize reciprocating movement along the working platform, the hydraulic pliers (5) and the splash-proof buckling device (4) are arranged on the moving mechanism, and the hydraulic pliers and the splash-proof buckling device are spatially positioned above the working platform (11).
5. An automated wellhead operation device for oilfield workover operations as defined in claim 4, wherein: the hydraulic pliers (5) are arranged on the moving mechanism and are transversely arranged, the splash-proof buckle aligning device (4) comprises two half splash shields (19) which are longitudinally arranged at intervals, the splash shields (19) are half pipe bodies with circular arc-shaped cross sections, and the rear ends of the splash shields are connected with the moving mechanism through fourth hydraulic cylinders (20).
6. An automated wellhead assembly for oilfield workover operations as defined in claim 5, wherein: the moving mechanism is a pallet wheel mechanism (8), the pallet wheel mechanism (8) comprises a pallet (32) with the upper part transversely arranged and vertical side plates (33) with the two sides of the lower surface of the pallet transversely arranged, the two sides of the lower surface of the pallet are respectively connected with the lower part of the vertical side plates in a downward extending mode, wheels (34) are respectively arranged on the lower parts of the vertical side plates, a guide rail (35) is arranged on the upper plane of the machine body (1), and the wheels (34) are arranged in the guide rail (35) in a limiting mode and can roll along the guide rail; the hydraulic pliers (5) and the splash-proof buckle connector (4) are both arranged on the supporting plate (32); and a second hydraulic cylinder (12) which is used for driving the pallet wheel mechanism (8) to move and is transversely arranged is also connected between the machine body (1) and the pallet wheel mechanism (8).
7. An automated wellhead assembly for oilfield workover operations as defined in claim 6, wherein: the fourth hydraulic cylinder (20) of the splash-proof buckle connector (4) is connected with the supporting plate (32) through a positioning bottom plate (21); the hydraulic clamp (5) is connected with the supporting plate (32) through a floating platform (6).
8. An automated wellhead operation device for oilfield workover operations as defined in claim 1, wherein: l-shaped sliding plates (26) are arranged at the bottoms of the two side surfaces of the bottom plate (25), and the L-shaped sliding plates (26) and the working platform (11) form limit sliding fit in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412724.XA CN110067520B (en) | 2019-05-17 | 2019-05-17 | Automatic wellhead operation device for oilfield workover operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412724.XA CN110067520B (en) | 2019-05-17 | 2019-05-17 | Automatic wellhead operation device for oilfield workover operation |
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| Publication Number | Publication Date |
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| CN110067520A CN110067520A (en) | 2019-07-30 |
| CN110067520B true CN110067520B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910412724.XA Active CN110067520B (en) | 2019-05-17 | 2019-05-17 | Automatic wellhead operation device for oilfield workover operation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685617B (en) * | 2019-11-05 | 2024-04-26 | 胜利油田胜机石油装备有限公司 | Oilfield workover operation device |
| CN113153178B (en) * | 2021-04-22 | 2024-07-12 | 江苏如通石油机械股份有限公司 | Underground operation platform |
| CN113356785B (en) * | 2021-06-11 | 2022-07-26 | 中国石油天然气股份有限公司 | On-spot environmental protection of oil workover platform device of treating pollution |
| CN115110906B (en) * | 2022-08-26 | 2022-11-01 | 山东石油化工学院 | Oil pipe elevator for rotary coupling core clamping in minor overhaul operation of oil field and operation process |
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