CN110685617B - Oilfield workover operation device - Google Patents
Oilfield workover operation device Download PDFInfo
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- CN110685617B CN110685617B CN201911078673.8A CN201911078673A CN110685617B CN 110685617 B CN110685617 B CN 110685617B CN 201911078673 A CN201911078673 A CN 201911078673A CN 110685617 B CN110685617 B CN 110685617B
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- 230000007246 mechanism Effects 0.000 claims abstract description 211
- 230000008878 coupling Effects 0.000 claims description 32
- 238000010168 coupling process Methods 0.000 claims description 32
- 238000005859 coupling reaction Methods 0.000 claims description 32
- 238000012423 maintenance Methods 0.000 claims description 16
- 230000007306 turnover Effects 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000009471 action Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E21B19/10—Slips; Spiders ; Catching devices
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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
- E21B19/02—Rod or cable suspensions
-
- 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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an oilfield workover operation device, which relates to the technical field of oilfield workover operation, and comprises a chassis, an adjusting and centering device and a pipe grabbing mechanism; the adjusting and centering device is arranged on the chassis and is connected with the pipe grabbing mechanism; the adjusting centering device comprises a first direction adjusting mechanism and a second direction adjusting mechanism, the first direction adjusting mechanism is used for enabling the pipe grabbing mechanism to move along a first direction, and the second direction adjusting mechanism is used for enabling the pipe grabbing mechanism to move along a second direction; so that the first direction adjusting mechanism and the second direction adjusting mechanism cooperate to enable the pipe grabbing mechanism to move in a two-dimensional horizontal plane.
Description
Technical Field
The invention relates to the technical field of oilfield workover operation, in particular to an oilfield workover operation device.
Background
In the process of utilizing an oil well to extract oil, a pipe column in the oil well can be gradually scaled and then cannot be used continuously, and the pipe column needs to be maintained in order to ensure the normal operation of the oil well.
In the process of well repair operations such as cleaning a pipe column or replacing the pipe column, the pipe column needs to be lifted and lowered by the well repair operation machine frequently, and in the process of lifting and lowering the pipe column, the oilfield well repair operation device can only perform centering adjustment with a wellhead through transverse movement of the pipe grabbing mechanism, so that the adjustment is inconvenient, and the operation machine needs to have higher precision requirements during installation, namely, when the operation machine is pre-installed, the transverse movement track of the pipe grabbing mechanism and the wellhead need to be ensured to be in the same straight line.
Disclosure of Invention
The invention aims to provide an oilfield workover operation device to solve the technical problem that the oilfield workover operation device is not easy to adjust in the centering adjustment process of a pipe grabbing mechanism and a wellhead.
The invention provides an oilfield workover operation device which comprises a chassis, an adjusting and centering device and a pipe grabbing mechanism, wherein the chassis is provided with a first pipe and a second pipe; the adjusting and centering device is arranged on the chassis and is connected with the pipe grabbing mechanism; the adjusting centering device comprises a first direction adjusting mechanism and a second direction adjusting mechanism, the first direction adjusting mechanism is used for enabling the pipe grabbing mechanism to move along a first direction, and the second direction adjusting mechanism is used for enabling the pipe grabbing mechanism to move along a second direction; so that the first direction adjusting mechanism and the second direction adjusting mechanism are matched to drive the pipe grabbing mechanism to move in a two-dimensional horizontal plane.
Further, the adjusting centering device further comprises a first sliding part and a second sliding part; the pipe grabbing mechanism is arranged on the second sliding part; the first sliding part is connected with the second sliding part, one end of the first direction adjusting mechanism is connected with the chassis, the other end of the first direction adjusting mechanism is connected with the first sliding part, and the first direction adjusting mechanism enables the first sliding part and the second sliding part to move on the chassis along a first direction; the second sliding part is arranged on the chassis, one end of the second direction adjusting mechanism is connected with the first sliding part, the other end of the second direction adjusting mechanism is connected with the second sliding part, and the second direction adjusting mechanism enables the second sliding part to move along a second direction.
Further, a base is fixedly connected to the second sliding part; one end of the second direction adjusting mechanism is connected with the base on the second sliding part; the base is hinged with a pipe grabbing lifting mechanism, and the pipe grabbing mechanism is fixedly connected to the pipe grabbing lifting mechanism.
Further, a maintenance work table is also included, the maintenance work table including: the fixed workbench is used for being installed at a wellhead; and/or a swing type workbench, wherein the swing type workbench is arranged on a telescopic beam on the base, and the telescopic beam is used for adjusting the height of the swing type workbench; and/or a folding workbench, wherein the folding workbench is arranged on a telescopic beam on the base, and the telescopic beam is used for adjusting the height of the folding workbench.
Further, the maintenance workbench comprises a folding workbench, wherein the folding workbench comprises a supporting platform, a driving mechanism and a coupling locator overturning mechanism; the driving mechanism is arranged below the supporting platform, the lower end of the driving mechanism is hinged with the telescopic beam, and the upper end of the driving mechanism is hinged on the supporting platform; the driving mechanism enables the supporting platform to rotate along the hinge joint of the supporting platform and the telescopic beam, and enables the supporting platform to be fixed at any position in the rotating track; the hydraulic pliers and the anti-splash buckling device are arranged on the supporting platform and can stretch and retract along the length direction of the supporting platform; the coupling locator turning mechanism is positioned below the supporting platform and comprises a coupling locator, a fixed plate and a rotating shaft; the coupling positioner is hinged on the fixed plate through a rotating shaft, a turnover hydraulic cylinder is hinged on the fixed plate, one end of the turnover hydraulic cylinder is hinged on the fixed plate, the other end of the turnover hydraulic cylinder is hinged on the coupling positioner, and the turnover hydraulic cylinder enables the coupling positioner to turn over along the rotating shaft; and a safety slip is arranged below the coupling locator and is arranged at the wellhead and fixedly connected with the wellhead.
Further, the maintenance workbench comprises a swing workbench, wherein the swing workbench comprises a swing bracket, a swing hydraulic cylinder and a coupling positioner; the swing support is hinged to the telescopic beam, one end of the swing hydraulic cylinder is hinged to the telescopic beam, the other end of the swing hydraulic cylinder is hinged to the swing support, and the swing hydraulic cylinder can enable the swing support to rotate in the horizontal direction along the hinge of the swing support and the telescopic beam and enable the swing support to be fixed at any position in a rotation track; the swing bracket is provided with a hydraulic clamp and an anti-splashing buckling device, and the hydraulic clamp and the anti-splashing buckling device can stretch out and draw back along the length direction of the swing bracket; the coupling locator is located below the swing bracket and is arranged on the safety slips.
Further, the maintenance workbench comprises a fixed workbench, wherein the fixed workbench comprises a platform bracket, a hydraulic clamp, a coupling positioner, a safety slip and a splash-proof butt joint device; the hydraulic pliers and the anti-splash buckling device can stretch along the length direction of the platform bracket; the coupling locator is positioned below the splash-proof aligning device and can stretch and retract along the length direction of the platform bracket; the safety slips are fixedly connected to the lower end of the platform support and fixedly connected with the platform support.
Further, the pipe grabbing and lifting mechanism comprises an upright arm and a lifting hydraulic cylinder, wherein the upright arm is hinged to the base, one end of the lifting hydraulic cylinder is hinged to the upper portion of the upright arm, and the other end of the lifting hydraulic cylinder is hinged to the second sliding portion; the base is hinged with a pipe grabbing lifting mechanism, the pipe grabbing mechanism is fixed on an upright arm on the pipe grabbing lifting mechanism, and the lifting hydraulic cylinder enables the upright arm to rotate along the hinge of the upright arm and the base.
Further, the pipe grabbing mechanism comprises a manipulator and a swinging oil cylinder; the two ends of the swing oil cylinder are respectively connected with one manipulator, and the swing oil cylinder can enable the manipulator to rotate along with the swing oil cylinder; the manipulator comprises a paw, a paw inner tile and a force arm, one end of the force arm is connected with the swing oil cylinder, and the other end of the force arm is provided with the paw; and a paw inner tile is arranged in the paw.
Further, the elastic rod is arranged on the paw and is positioned at the front end of the paw and used for hooking the pipe.
Further, the device also comprises an oil pipe lifting mechanism, wherein at least one side of the chassis is provided with the oil pipe lifting mechanism; the oil pipe lifting mechanism comprises a lifting platform, a support and a lifting hydraulic cylinder; the lifting hydraulic cylinder is arranged on the support, the lifting platform is arranged on the lifting hydraulic cylinder, the upper surface of the lifting platform is an inclined plane, and an oil pipe on the lifting platform rolls to the manipulator along the inclined plane.
Further, a guide post is arranged on the support, and the lifting platform is sleeved on the guide post.
When the oilfield workover device is used, the chassis is firstly arranged at the position near the wellhead, and then the pipe grabbing mechanism is adjusted to be aligned with the wellhead through the adjusting and centering device. Because the pipe grabbing mechanism is arranged on the adjusting centering device, the adjusting centering device can enable the pipe grabbing mechanism to move in the first direction under the action of the first direction adjusting mechanism, the pipe grabbing mechanism can enable the pipe grabbing mechanism to move in the second direction under the action of the second direction adjusting mechanism, and the first direction adjusting mechanism and the second direction adjusting mechanism are matched to enable the pipe grabbing mechanism to move in the two-dimensional horizontal plane.
The centering device is adjusted to enable the pipe grabbing mechanism to move in a two-dimensional plane, when the pipe grabbing mechanism is installed, the track of transverse movement of the pipe grabbing mechanism can be not in the same straight line with a wellhead, and after the operation machine is installed, the centering device is adjusted through adjustment, so that the operation is convenient, and the requirement on the accuracy of the operation machine is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an oilfield workover rig according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of another angle of an oilfield workover rig according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view of a portion of the oilfield servicing device of FIG. 2;
FIG. 4 is a schematic diagram of a collar locator turning mechanism of the oilfield workover rig of FIG. 2;
FIG. 5 is a schematic structural view of a swing-type workbench of an oilfield workover rig according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a stationary table of an oilfield workover rig according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of a manipulator of a pipe gripping mechanism of the oilfield workover rig of FIG. 2;
fig. 8 is a schematic diagram of a manipulator of a pipe gripping mechanism of the oilfield workover rig of fig. 2 mated with an oil pipe lifting mechanism.
Icon: 100-chassis; 200-a first sliding part; 300-a second slide; 400-a first direction adjustment mechanism; 500-a second direction adjustment mechanism; 600-derrick; 700-elevator; 800-oil pipe; 900-upright arms; 110-lifting hydraulic cylinders; 120-swinging oil cylinders; 130-a manipulator; 140-a base; 150-telescopic beams; 160-supporting a platform; 170-a drive mechanism; 180-hydraulic pliers; 190-splash guard buttoning device; 210-collar locator; 220-safety slips; 230-a turnover hydraulic cylinder; 240-rotating shaft; 250-fixing plate; 260-swinging a bracket; 270-swinging hydraulic cylinder; 280-a platform support; 290-wellhead; 310-moment arm; 320-paw; 330-paw inner tile; 340-spring bar; 350-lifting platform; 360-lifting hydraulic cylinders; 370-support; 380-inclined plane; 390-guide post.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. 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.
1-8, The oilfield workover treatment device provided by the invention comprises a chassis 100, an adjusting and centering device and a pipe grabbing mechanism; the adjusting and centering device is arranged on the chassis 100 and is connected with the pipe grabbing mechanism; the adjusting centering device comprises a first direction adjusting mechanism 400 and a second direction adjusting mechanism 500, wherein the first direction adjusting mechanism 400 is used for enabling the pipe grabbing mechanism to move along a first direction, and the second direction adjusting mechanism 500 is used for enabling the pipe grabbing mechanism to move along a second direction; so that the first direction adjusting mechanism 400 and the second direction adjusting mechanism 500 cooperate to drive the pipe gripping mechanism to move in a two-dimensional horizontal plane.
In some embodiments, since the pipe gripping mechanism is disposed on the adjusting centering device, the adjusting centering device can move the pipe gripping mechanism in a first direction under the action of the first direction adjusting mechanism 400, and move the pipe gripping mechanism in a second direction under the action of the second direction adjusting mechanism 500, the first direction adjusting mechanism 400 and the second direction adjusting mechanism 500 cooperate to move the pipe gripping mechanism in a two-dimensional horizontal plane.
It should be noted that, the first direction adjusting mechanism 400 and the second direction adjusting mechanism 500 cooperate to drive the pipe gripping mechanism to move in a two-dimensional horizontal plane, that is, the first direction adjusting mechanism 400 and the second direction adjusting mechanism 500 at least can make the pipe gripping mechanism move back and forth and left and right in the installation plane, that is, the first direction and the second direction are different moving directions, and the first direction and the second direction have moving components at least in the horizontal direction, and the directions of the horizontal moving components of the first direction and the second direction are different. Preferably, the first direction and the second direction are two directions perpendicular to each other in the horizontal direction.
The centering device is adjusted to enable the pipe grabbing mechanism to move on a two-dimensional plane, when the pipe grabbing mechanism is installed, the track of the transverse movement of the pipe grabbing mechanism can be not in the same straight line with the wellhead 290, and after the operation machine is installed, the centering device is adjusted through adjustment, so that the operation is convenient, and the requirement on the accuracy of the operation machine is reduced.
Further, based on the above embodiment, the adjusting and centering device further includes a first sliding portion 200 and a second sliding portion 300; the pipe gripping mechanism is mounted on the second sliding part 300; the first sliding part 200 is connected to the second sliding part 300, one end of the first direction adjusting mechanism 400 is connected to the chassis 100, the other end is connected to the first sliding part 200, and the first direction adjusting mechanism 400 moves the first sliding part 200 and the second sliding part 300 in a first direction on the chassis 100; the second sliding portion 300 is disposed on the chassis 100, one end of the second direction adjusting mechanism 500 is connected to the first sliding portion 200, the other end is connected to the second sliding portion 300, and the second direction adjusting mechanism 500 moves the second sliding portion 300 in the second direction.
Based on the above embodiment, further, the base 140 is fixedly connected to the second sliding portion 300; one end of the second direction adjusting mechanism 500 is connected to the base 140 of the second sliding part 300; the base 140 is hinged with a pipe grabbing lifting mechanism, and the pipe grabbing mechanism is fixedly connected to the pipe grabbing lifting mechanism.
In some embodiments, the oilfield workover rig has low requirements for installation accuracy of the work machine during installation, the first slider 200 is movable in a first direction, and the second slider 300 is movable on the first slider 200 in a second direction; the base 140 is arranged on the second sliding part 300, and the pipe grabbing and lifting mechanism is arranged on the base 140; thus, the pipe grabbing and lifting mechanism can move along the base 140 in the first direction and the second direction, and the wellhead 290 centering is facilitated.
The first direction may be longitudinal and the second direction may be transverse. Compared with the prior art, when the operation machine is required to be installed, the wellhead 290 is required to be positioned on the transverse moving direction of the pipe grabbing mechanism, so that the centering adjustment of the wellhead 290 is realized through the expansion and contraction of the pipe grabbing mechanism, the requirement on the installation accuracy of the operation machine is greatly reduced, the first sliding part 200 moves in the first direction, and when the transverse moving direction of the pipe grabbing mechanism and the wellhead 290 are not on the same straight line, the first sliding part 200 moves on the chassis 100 along the first direction, so that the transverse moving direction of the pipe grabbing mechanism and the wellhead 290 are on the same straight line.
For convenience of adjustment, a first direction adjustment mechanism 400 is disposed between the chassis 100 and the first sliding portion 200, the first direction adjustment mechanism 400 may be a hydraulic cylinder, the first sliding portion 200 may be a slide rail formed of two slide rails, the slide rail may be capable of moving in a longitudinal direction of the chassis 100, and the second sliding portion 300 is disposed in the slide rail.
One end of the first direction adjusting mechanism 400 is hinged on the chassis 100, the other end is connected with the first sliding part 200, the first direction adjusting mechanism 400 can enable the first sliding part 200 and the second sliding part 300 to move in the first direction of the chassis 100, and when the first direction adjusting mechanism 400 is a hydraulic cylinder, the direction of a connecting line of projections of two ends of the hydraulic cylinder on the chassis 100 is the first direction.
The second direction adjusting mechanism 500 may be a hydraulic cylinder, and the second direction adjusting mechanism 500 may enable the second sliding portion 300 to move in the second direction, and when the second direction adjusting mechanism 500 is a hydraulic cylinder, the direction of the connection line of the projections of the two ends of the hydraulic cylinder on the chassis 100 is the second direction.
The second direction adjustment mechanism 500 enables the second slider 300 to move in a second direction, thereby enabling the pipe gripping mechanism and the maintenance work table located on the base 140 to be centered with the wellhead 290.
The first sliding part 200 is composed of two sliding rails, the second sliding part 300 is composed of a sliding plate, the sliding plate is disposed between the two sliding rails, the two sliding rails can be connected through a connecting piece, and one end of the second direction adjusting mechanism 500 is connected with the first sliding part 200 in a manner of being connected with the connecting piece.
Based on the above embodiment, further comprising a maintenance workbench, the maintenance workbench comprises: a stationary table for mounting at the wellhead 290; and/or a swing type working table mounted on a telescopic beam 150 on the base 140, the telescopic beam 150 being used for adjusting the height of the swing type working table; and/or a folding work bench mounted on a telescopic beam 150 on the base 140, the telescopic beam 150 being used to adjust the height of the folding work bench.
In some embodiments, the maintenance work platform includes a stationary work platform, a swing work platform, and a folding work platform, and the oilfield workover rig may have three work platforms simultaneously, or may have either or both work platforms separately.
The telescopic beam 150 is hinged on the base 140, and the telescopic beam 150 and the pipe grabbing lifting mechanism can synchronously rotate, wherein the swing type workbench and the folding type workbench can be independently arranged on the telescopic beam 150 or can be simultaneously arranged on the telescopic beam 150; the grabbing pipe lifting mechanism, the swinging type workbench and the folding type workbench can rotate around the small base, can be placed on the upper plane of the chassis 100, are convenient to transport, reduce the complexity of transport after the disassembly in the past, and greatly save manpower and time.
The telescopic beam 150 can be telescopic, and the swing type workbench and the folding type workbench are arranged on the lifting part of the telescopic beam 150, and the heights of the swing type workbench and the folding type workbench are adjusted through the telescopic of the telescopic beam 150.
As shown in fig. 2-4, further in accordance with the above-described embodiments, the maintenance work station comprises a folding work station comprising a support platform 160, a drive mechanism 170, and a collar locator 210 flipping mechanism; the driving mechanism 170 is arranged below the supporting platform 160, the lower end of the driving mechanism 170 is hinged with the telescopic beam 150, and the upper end of the driving mechanism 170 is hinged on the supporting platform 160; the driving mechanism 170 rotates the support platform 160 along the hinge joint of the support platform 160 and the telescopic beam 150, and can fix the support platform 160 at any position in the rotation track; a hydraulic clamp 180 and a splash-proof buckle device 190 are arranged on the supporting platform 160, and the hydraulic clamp 180 and the splash-proof buckle device 190 can extend and retract along the length direction of the supporting platform 160; the coupling positioner 210 turning mechanism is located below the support platform 160, and the coupling positioner 210 turning mechanism includes a coupling positioner 210, a fixing plate 250 and a rotating shaft 240; the coupling positioner 210 is hinged on the fixed plate 250 through a rotating shaft 240, a turning hydraulic cylinder 230 is hinged on the fixed plate 250, one end of the turning hydraulic cylinder 230 is hinged on the fixed plate 250, the other end of the turning hydraulic cylinder is hinged on the coupling positioner 210, and the turning hydraulic cylinder 230 enables the coupling positioner 210 to turn along the rotating shaft 240; a safety slip 220 is provided below the collar locator 210, and the safety slip 220 is provided at the wellhead 290.
In some embodiments, the support platform 160 of the folding work bench is hinged to the telescopic beam 150, enabling the support platform 160 to remain horizontal when the drive mechanism 170 is extended; when it is desired to fold the support platform 160 over the telescoping beam 150, the drive mechanism 170 contracts, causing the support platform 160 to rotate and draw closer to the telescoping beam 150.
When the folding workbench is required to be used, the driving mechanism 170 enables the supporting platform 160 to rotate along the rotating shaft 240, so that the supporting platform 160 is positioned at the horizontal position; when the folding work bench is not needed, the driving mechanism 170 rotates the support platform 160 along the rotation shaft 240, so that the support platform 160 is folded on the telescopic beam 150.
The hydraulic clamp 180 and the splash guard are provided on the support platform 160, and the hydraulic clamp 180 and the splash guard are both conventionally provided and are not shown here.
Below the support platform 160 is a coupling positioner 210 turning mechanism, which turns the coupling positioner 210 along the axis of rotation 240 by a turning hydraulic cylinder 230, so that the coupling positioner 210 reaches the wellhead 290 and leaves the wellhead 290.
The safety slips 220 are positioned below the collar locator 210, typically at the wellhead 290, and the safety slips 220 are prior art and are not shown here.
When the pipe is lifted, the coupling locator 210 overturning mechanism enables the coupling locator 210 to reach the wellhead 290, the hydraulic clamp 180 stretches out of the shackle, the elevator 700 is lifted up, the manipulator 130 clamps the oil pipe 800, the pipe grabbing lifting mechanism is put in, the manipulator 130 is opened after overturning, the oil pipe 800 rolls out, and the pipe grabbing lifting mechanism is in a waiting position.
When the pipe is lowered, the first sliding part 200 and the second sliding part 300 are matched to align the pipe grabbing and lifting mechanism with the elevator 700, the pipe grabbing and lifting mechanism reaches the wellhead 290, the elevator 700 is closed, the manipulator 130 is half opened, the elevator 700 falls down, the oil pipe 800 is buckled with the oil pipe 800 at the wellhead 290, the manipulator 130 is opened, the pipe grabbing and lifting mechanism is laid down, the manipulator 130 is overturned, the manipulator 130 grabs the pipe, and the pipe grabbing and lifting mechanism waits in place.
Further, as shown in fig. 5, based on the above embodiment, the maintenance work table includes a swing work table, which includes a swing bracket 260, a swing hydraulic cylinder 270, and a coupling positioner 210; the swing bracket 260 is hinged to the telescopic beam 150, one end of the swing hydraulic cylinder 270 is hinged to the telescopic beam 150, the other end of the swing hydraulic cylinder 270 is hinged to the swing bracket 260, and the swing hydraulic cylinder 270 can enable the swing bracket 260 to rotate in the horizontal direction along the hinge position of the swing bracket 260 and the telescopic beam 150 and enable the swing bracket 260 to be fixed at any position in a rotation track; the swing bracket 260 is provided with a hydraulic clamp 180 and a splash-proof buckling device 190, and the hydraulic clamp 180 and the splash-proof buckling device 190 can extend and retract along the length direction of the swing bracket 260; the collar retainer 210 is positioned below the swing bracket 260 and the collar retainer 210 is disposed on the safety slips 220.
In some embodiments, the swinging bracket 260 of the swinging type workbench can rotate in the horizontal direction along the hinge joint of the swinging bracket 260 and the telescopic beam 150 under the action of the swinging hydraulic cylinder 270, when the swinging type workbench is needed, the swinging bracket 260 swings to the working position under the action of the swinging hydraulic cylinder 270, and when the swinging type workbench is not needed, the swinging type workbench swings to other positions, and the working position is left out.
The swing type workbench and the folding type workbench can be used in a crossed mode, compared with the swing type workbench without influence, the universality degree of the oilfield workover device is greatly improved.
Further, as shown in fig. 6, based on the above embodiment, the maintenance work bench includes a stationary work bench including a platform bracket 280, a hydraulic clamp 180, a collar locator 210, a safety slip 220, and a splash guard; the platform bracket 280 is provided with a hydraulic clamp 180 and a splash-proof buckle device 190, and the hydraulic clamp 180 and the splash-proof buckle device 190 can extend and retract along the length direction of the platform bracket 280; the collar locator 210 is located below the splash guard, and the collar locator 210 is retractable along the length of the platform bracket 280; the safety slips 220 are fixedly connected to the lower end of the platform support 280 and fixedly connected to a wellhead 290.
In some embodiments, the oilfield workover rig may have a folding work table, a swing work table, and a stationary work table at the same time, which greatly improves the versatility of the oilfield workover rig, and may be used alternatively when in use, such as when in use with a folding work table, which may be rotated to a work position, and may be removed from wellhead 290.
In use, the stationary platen is controlled in position relative to wellhead 290 by telescoping collar locator 210 and splash counter 190 with respective hydraulic cylinders.
As shown in fig. 3, based on the above embodiment, further, the pipe grabbing and lifting mechanism includes an upright arm 900 and a lifting hydraulic cylinder 110, where the upright arm 900 is hinged on the base 140, and one end of the lifting hydraulic cylinder 110 is hinged on the upper portion of the upright arm 900, and the other end is hinged on the second sliding portion 300; the base 140 is hinged with a pipe grabbing and lifting mechanism, the pipe grabbing and lifting mechanism is fixed on an upright arm 900 on the pipe grabbing and lifting mechanism, and the lifting hydraulic cylinder 110 enables the upright arm 900 to rotate along the hinge position of the upright arm 900 and the base 140.
In some embodiments, the upright arm 900 of the pipe grabbing and lifting mechanism is hinged on the base 140, one end of the lifting hydraulic cylinder is hinged with the upper part of the upright arm 900, the other end of the lifting hydraulic cylinder is hinged on the second sliding part 300, when the pipe grabbing and lifting mechanism needs to be placed down, the lifting hydraulic cylinder 110 is retracted, and the upright arm 900 rotates along the hinge position of the upright arm 900 and the base 140 until the upright arm 900 is placed down; the pipe grabbing mechanism is arranged on the vertical arm 900, and rotates along with the vertical arm 900 and falls down along with the vertical arm 900.
As shown in fig. 7, based on the above embodiment, further, the pipe gripping mechanism includes a manipulator 130 and a swing cylinder 120; two ends of the swing cylinder 120 are respectively connected with one manipulator 130, and the swing cylinder 120 can enable the manipulator 130 to rotate along with the swing cylinder 120; the manipulator 130 comprises a claw 320, a claw inner tile 330 and a force arm 310, wherein one end of the force arm 310 is connected with the swing cylinder 120, and the other end of the force arm is provided with the claw 320; and a paw inner shoe 330 is provided in the paw 320.
Two ends of the swing cylinder 120 are respectively connected with one manipulator 130, and the swing cylinder 120 drives the manipulator 130 to rotate, so that the oil pipe 800 clamped by the manipulator 130 can be placed on the pipe arranging mechanism.
Further, based on the above embodiment, the gripper 320 is provided with a resilient lever 340, and the resilient lever 340 is located at the front end of the gripper 320 for hooking the pipe.
The elastic rod 340 is arranged on the gripper 320, when the gripper clamps the oil pipe 800 on the pipe arranging mechanism, the elastic rod 340 is helpful to move the oil pipe 800 which cannot be clamped by the gripper 320 towards the gripper 320 under the action of the elastic rod 340, so that the manipulator 130 can clamp the oil pipe 800 conveniently.
As shown in fig. 8, based on the above embodiment, the device further comprises an oil pipe lifting mechanism, wherein at least one side of the chassis 100 is provided with the oil pipe lifting mechanism; the oil pipe lifting mechanism comprises a lifting platform 350, a support 370 and a lifting hydraulic cylinder 360; the lifting hydraulic cylinder 360 is disposed on the support 370, the lifting platform 350 is disposed on the lifting hydraulic cylinder 360, and an inclined plane 380 is disposed on the upper surface of the lifting platform 350, and the oil pipe 800 on the lifting platform 350 rolls along the inclined plane 380 toward the manipulator 130.
As shown in fig. 1, the oil pipe lifting mechanism may be provided on either one of the upper and lower sides of the chassis 100, or may be provided on both sides of the chassis 100.
When the pipe is discharged, the manipulator 130 is required to clamp the oil pipe 800, in order to facilitate the manipulator 130 to clamp the oil pipe 800, the oil pipe 800 is placed on the lifting platform 350 on the oil pipe lifting mechanism, and the lifting platform 350 is lifted under the action of the lifting hydraulic cylinder 360; when the lower tubing 800 is positioned on the lift platform 350, the lift cylinder 360 lifts the lift platform 350 to a designated position. Because the lifting platform 350 is a bevel 380, the oil pipe 800 rolls down to the lowest position of the lifting platform 350, which is suitable for the manipulator 130 to grasp.
Based on the above embodiment, further, a guide post 390 is disposed on the support 370, and the lifting platform 350 is sleeved on the guide post 390.
In order to enable the lifting platform 350 to stably lift, a guide post 390 is further arranged on the support 370, the lifting platform 350 lifts along the guide post 390, and the guide post 390 is arranged at a position which does not prevent the oil pipe 800 from rolling on the lifting platform 350.
The pipe grabbing mechanism of the oilfield workover operation device is arranged on the adjusting and centering device, the adjusting and centering device can enable the pipe grabbing mechanism to move in a first direction under the action of the first direction adjusting mechanism 400, the pipe grabbing mechanism can enable the pipe grabbing mechanism to move in a second direction under the action of the second direction adjusting mechanism 500, and the first pipe grabbing mechanism and the second pipe grabbing mechanism are matched to enable the pipe grabbing mechanism to move in a two-dimensional plane.
The centering device is adjusted to enable the pipe grabbing mechanism to move on a two-dimensional plane, when the pipe grabbing mechanism is installed, the track of transverse movement of the pipe grabbing mechanism can be out of a straight line with the wellhead 290, and after the operation machine is installed, the centering device is adjusted through adjustment, so that the requirement on the accuracy of the operation machine is reduced.
The guide device of the elevator 700 is generally arranged on the derrick 600, so that the elevator 700 is ensured to keep unchanged with the position of the wellhead 290 after centering the wellhead 290 once, and the influence of windy weather and wind power can be avoided.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. The oilfield workover treatment device is characterized by comprising a chassis, an adjusting and centering device, a maintenance workbench and a pipe grabbing mechanism;
The adjusting and centering device is arranged on the chassis and is connected with the pipe grabbing mechanism;
The adjusting centering device comprises a first direction adjusting mechanism and a second direction adjusting mechanism, the first direction adjusting mechanism is used for enabling the pipe grabbing mechanism to move along a first direction, and the second direction adjusting mechanism is used for enabling the pipe grabbing mechanism to move along a second direction; the first direction adjusting mechanism and the second direction adjusting mechanism are matched to drive the pipe grabbing mechanism to move in a two-dimensional horizontal plane;
the adjusting centering device further comprises a first sliding part and a second sliding part; the pipe grabbing mechanism is arranged on the second sliding part;
the first sliding part is connected with the second sliding part, one end of the first direction adjusting mechanism is connected with the chassis, the other end of the first direction adjusting mechanism is connected with the first sliding part, and the first direction adjusting mechanism enables the first sliding part and the second sliding part to move on the chassis along a first direction;
The second sliding part is arranged on the chassis, one end of the second direction adjusting mechanism is connected with the first sliding part, the other end of the second direction adjusting mechanism is connected with the second sliding part, and the second direction adjusting mechanism enables the second sliding part to move along a second direction; a base is fixedly connected to the second sliding part; one end of the second direction adjusting mechanism is connected with the base on the second sliding part;
the base is hinged with a pipe grabbing lifting mechanism, and the pipe grabbing mechanism is fixedly connected to the pipe grabbing lifting mechanism;
The maintenance work platform includes:
the fixed workbench is used for being installed at a wellhead;
and/or a swing type workbench, wherein the swing type workbench is arranged on a telescopic beam on the base, and the telescopic beam is used for adjusting the height of the swing type workbench;
and/or a folding workbench, wherein the folding workbench is arranged on a telescopic beam on the base, and the telescopic beam is used for adjusting the height of the folding workbench;
the maintenance workbench comprises a folding workbench, and the folding workbench comprises a supporting platform, a driving mechanism and a coupling locator turnover mechanism;
the driving mechanism is arranged below the supporting platform, the lower end of the driving mechanism is hinged with the telescopic beam, and the upper end of the driving mechanism is hinged on the supporting platform;
The driving mechanism enables the supporting platform to rotate along the hinge joint of the supporting platform and the telescopic beam, and enables the supporting platform to be fixed at any position in the rotating track;
The hydraulic pliers and the anti-splash buckling device are arranged on the supporting platform and can stretch and retract along the length direction of the supporting platform;
The coupling locator turning mechanism is positioned below the supporting platform and comprises a coupling locator, a fixed plate and a rotating shaft; the coupling positioner is hinged on the fixed plate through a rotating shaft, a turnover hydraulic cylinder is hinged on the fixed plate, one end of the turnover hydraulic cylinder is hinged on the fixed plate, the other end of the turnover hydraulic cylinder is hinged on the coupling positioner, and the turnover hydraulic cylinder enables the coupling positioner to turn over along the rotating shaft;
And a safety slip is arranged below the coupling locator and is arranged at the wellhead and fixedly connected with the wellhead.
2. The oilfield workover rig of claim 1, wherein the service work station comprises a swing station comprising a swing bracket, a swing hydraulic cylinder, and a collar locator;
The swing support is hinged to the telescopic beam, one end of the swing hydraulic cylinder is hinged to the telescopic beam, the other end of the swing hydraulic cylinder is hinged to the swing support, and the swing hydraulic cylinder can enable the swing support to rotate in the horizontal direction along the hinge of the swing support and the telescopic beam and enable the swing support to be fixed at any position in a rotation track;
the swing bracket is provided with a hydraulic clamp and an anti-splashing buckling device, and the hydraulic clamp and the anti-splashing buckling device can stretch out and draw back along the length direction of the swing bracket;
The coupling locator is located below the swing bracket and is arranged on the safety slips.
3. The oilfield workover rig of claim 1, wherein the maintenance work station comprises a stationary work station comprising a platform support, hydraulic tongs, a collar locator, a safety slip, and a splash guard;
the hydraulic pliers and the anti-splash buckling device can stretch along the length direction of the platform bracket;
The coupling locator is positioned below the splash-proof aligning device and can stretch and retract along the length direction of the platform bracket;
the safety slips are fixedly connected to the lower end of the platform support and fixedly connected with a wellhead.
4. The oilfield workover rig of claim 1, wherein the tubular grabbing and lifting mechanism comprises an upright arm and a lifting hydraulic cylinder, the upright arm is hinged on the base, one end of the lifting hydraulic cylinder is hinged with the upper part of the upright arm, and the other end of the lifting hydraulic cylinder is hinged on the second sliding part;
The base is hinged with a pipe grabbing lifting mechanism, the pipe grabbing mechanism is fixed on an upright arm on the pipe grabbing lifting mechanism, and the lifting hydraulic cylinder enables the upright arm to rotate along the hinge of the upright arm and the base.
5. The oilfield workover rig of claim 1, wherein the pipe gripping mechanism comprises a manipulator and a swing cylinder; the two ends of the swing oil cylinder are respectively connected with one manipulator, and the swing oil cylinder can enable the manipulator to rotate along with the swing oil cylinder;
the manipulator comprises a paw, a paw inner tile and a force arm, one end of the force arm is connected with the swing oil cylinder, and the other end of the force arm is provided with the paw; and a paw inner tile is arranged in the paw.
6. The oilfield workover treatment device of claim 5, wherein the claws are provided with elastic rods, and the elastic rods are located at the front ends of the claws and used for hooking pipes.
7. The oilfield workover treatment device of claim 5, further comprising an oil pipe lifting mechanism, wherein at least one side of the chassis is provided with the oil pipe lifting mechanism;
the oil pipe lifting mechanism comprises a lifting platform, a support and a lifting hydraulic cylinder; the lifting hydraulic cylinder is arranged on the support, the lifting platform is arranged on the lifting hydraulic cylinder, the upper surface of the lifting platform is an inclined plane, and an oil pipe on the lifting platform rolls to the manipulator along the inclined plane.
8. The oilfield workover treatment device of claim 7, wherein the support is provided with a guide post, and the lifting platform is sleeved on the guide post.
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| CN201911078673.8A CN110685617B (en) | 2019-11-05 | 2019-11-05 | Oilfield workover operation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911078673.8A CN110685617B (en) | 2019-11-05 | 2019-11-05 | Oilfield workover operation device |
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| CN110685617A CN110685617A (en) | 2020-01-14 |
| CN110685617B true CN110685617B (en) | 2024-04-26 |
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| CN110685617A (en) | 2020-01-14 |
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