CN112502641B - Device for pulling down sucker rod - Google Patents
Device for pulling down sucker rod Download PDFInfo
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- CN112502641B CN112502641B CN202011338479.1A CN202011338479A CN112502641B CN 112502641 B CN112502641 B CN 112502641B CN 202011338479 A CN202011338479 A CN 202011338479A CN 112502641 B CN112502641 B CN 112502641B
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- 238000011010 flushing procedure Methods 0.000 claims description 30
- 210000000078 claw Anatomy 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 210000000080 chela (arthropods) Anatomy 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000003129 oil well Substances 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000353097 Molva molva Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery 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
-
- 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
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
-
- 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
-
- 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
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
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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 utility model provides a rise sucker rod device down belongs to the oil production equipment field. The sucker rod tripping device comprises an operating platform, a clamping assembly, a screwing assembly and a lifting appliance; the operation platform is used for being connected with the wellhead flange plate, and is provided with through holes which penetrate through two opposite sides of the operation platform so as to be communicated with the wellhead flange plate; the clamping assembly is positioned on one side of the operating platform, which is far away from the wellhead flange plate, and is connected with the operating platform, the inner space of the clamping assembly is communicated with the through hole, and the clamping assembly is used for clamping the sucker rod positioned in the inner space of the clamping assembly; the screwing component is used for connecting with a derrick of the workover rig, is positioned on one side of the clamping component, which is far away from the operating platform, and is used for screwing a screw thread between two adjacent sucker rods; the lifting appliance is used for being connected with a lifting system of the workover rig, the lifting appliance is positioned on one side of the spinner assembly, which is deviated from the clamping assembly, and the lifting appliance is used for lifting the sucker rod. This openly can alleviate the required manpower of the operation of getting off of sucker rod.
Description
Technical Field
The utility model belongs to the oil production equipment field, in particular to play sucker rod device down.
Background
In the process of oil exploitation, the sucker rod is taken out of an oil well or put into the oil well, which is a necessary operation project.
In the correlation technique, the lift-out of the sucker rod and the lower-in of the sucker rod generally need 4 persons to complete, 1 workover rig driver is responsible for the lifting operation of the sucker rod, 2 drivers complete the operations of manually hanging and picking the elevator, pushing and pulling the control screw thread hydraulic tong, taking in and taking off the sucker rod and the like at the well mouth, and 1 field worker is responsible for the transportation of the sucker rod between the well mouth and the discharge site.
Therefore, the pumping rod needs to spend a large amount of manpower when being taken up and down, the labor intensity is high, and safety accidents are easily caused.
Disclosure of Invention
The embodiment of the disclosure provides a device for tripping a sucker rod, which can reduce the manpower required by tripping operation of the sucker rod. The technical scheme is as follows:
the embodiment of the disclosure provides a device for tripping a sucker rod, which comprises an operating platform, a clamping assembly, a screwing assembly and a lifting appliance;
the operating platform is used for being connected with a wellhead flange plate, and is provided with through holes which penetrate through two opposite sides of the operating platform so as to be communicated with the wellhead flange plate;
the clamping assembly is positioned on one side, away from the wellhead flange plate, of the operating platform and is connected with the operating platform, the inner space of the clamping assembly is communicated with the through hole, and the clamping assembly is used for clamping a sucker rod positioned in the inner space of the clamping assembly;
the screwing component is used for being connected with a derrick of a workover rig, the screwing component is positioned on one side of the clamping component, which is far away from the operating table, and the screwing component is used for screwing a screw thread between two adjacent sucker rods;
the lifting appliance is used for being connected with a lifting system of the workover rig, the lifting appliance is positioned on one side, deviating from the clamping assembly, of the spinner assembly, and the lifting appliance is used for lifting the sucker rod.
In one implementation of the present disclosure, the gripping assembly includes a barrel, a plurality of gripping cylinders, and a plurality of slips;
the cylinder is connected with the operating platform;
each the centre gripping hydro-cylinder is followed the internal perisporium circumference interval arrangement of barrel, the first end of centre gripping hydro-cylinder with the internal perisporium of barrel links to each other, the second end edge of centre gripping hydro-cylinder the radial extension of barrel, and with correspond the slips links to each other.
In another implementation of the present disclosure, the clamping assembly further includes a centering centralizer located at the top of the barrel, the centralizing bore of the centering centralizer being coaxial with the barrel.
In yet another implementation of the present disclosure, the spinner assembly includes a spinner cylinder and spinner clamps;
the first end of the screwing oil cylinder is used for being connected with a derrick of the workover rig, and the second end of the screwing oil cylinder extends horizontally and is connected with the screwing clamp;
and a jaw of the screwing clamp deviates from the screwing oil cylinder and is used for clamping a screw thread between two adjacent pumping rods.
In another implementation manner of the present disclosure, the spinner assembly further includes a backup clamp, the backup clamp is disposed below the spinner clamp and connected to the second end of the spinner cylinder, and a jaw of the backup clamp deviates from the spinner cylinder and is used for clamping Fang Leng of the sucker rod.
In yet another implementation of the present disclosure, the trip rod apparatus further comprises a traverse rod assembly and a traverse assembly;
the moving rod assembly comprises a base and a conveyor belt, the base and the operating platform are spaced from each other, the conveyor belt is located on the top of the base, a first end of the conveyor belt faces the top of the clamping assembly, and a second end of the conveyor belt extends downwards and deviates from the top of the clamping assembly;
the horizontal moving assembly comprises a support and a horizontal moving mechanism, the bottom of the support is connected with the operating platform and is positioned on one side of the operating platform, which is far away from the wellhead flange plate, and the horizontal moving mechanism is connected with the top of the support and is used for driving the sucker rod to move between the conveying belt and the top of the clamping assembly along the horizontal direction.
In yet another implementation of the present disclosure, the traversing mechanism includes a traversing cylinder and an elastic claw;
the first end of the transverse moving oil cylinder is connected with the bracket, and the second end of the transverse moving oil cylinder is connected with the elastic claw;
and the jaw opening of the elastic jaw deviates from the transverse moving oil cylinder and is used for clamping the sucker rod.
In another implementation manner of the present disclosure, the sucker rod tripping device further includes a flushing assembly, the bottom of the flushing assembly is connected to the operating platform, the top of the flushing assembly is connected to the bottom of the clamping assembly, an inner space of the flushing assembly is communicated with an inner space of the clamping assembly, and the flushing assembly is used for flushing the sucker rod located in the inner space of the flushing assembly.
In another implementation manner of the present disclosure, the trip rod device further includes a hydraulic single valve plate, a first port of the hydraulic single valve plate is located in the wellhead flange and is used for communicating with the tubing hanger, and a second port of the hydraulic single valve plate is communicated with an inner space of the clamping assembly.
In yet another implementation of the present disclosure, the trip rod assembly further comprises an illumination assembly coupled to a top portion of the clamping assembly.
The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:
when the sucker rod device is pulled out of the sucker rod through the pulling-out and pulling-down device provided by the embodiment of the disclosure, firstly, the lifting system of the workover rig is controlled to drive the lifting appliance to descend, so that the lifting appliance is connected with the sucker rod. And controlling a lifting system of the workover rig to drive the lifting appliance to ascend, so that the sucker rods ascend together with the lifting appliance and sequentially pass through a wellhead flange plate, a through hole of the operating platform and the inner space of the clamping assembly until the screw thread between two adjacent sucker rods is aligned with the screwing assembly. At this time, the top of the sucker rod above the two adjacent sucker rods extends out of the inner space of the clamping assembly, and the bottom of the sucker rod below the two adjacent sucker rods is also located in the inner space of the clamping assembly. Then, the sucker rods below are clamped tightly through the clamping assembly, the screwing assembly is clamped on the screw thread between two adjacent sucker rods, and the screw thread is detached through the screwing assembly. At this time, the connection between the adjacent two sucker rods has been released. And finally, controlling a lifting system of the workover rig to drive the lifting appliance to continuously lift, so as to take away the sucker rod positioned above to prepare for pulling out the sucker rod below, and repeating the steps until all the sucker rods are pulled out.
When the sucker rod device is put into the sucker rod through the embodiment of the disclosure, firstly, the lifting appliance is connected with the first sucker rod, and the lifting system of the workover rig is controlled to drive the lifting appliance, so that the first sucker rod is positioned right above the clamping assembly. The lifting system of the workover rig is controlled to drive the lifting appliance to descend, so that the first sucker rod descends along with the lifting appliance until the part of the first sucker rod is positioned in the inner space of the clamping assembly, and the top end of the first sucker rod is aligned with the screwing assembly. Then, the first sucker rod in the inner space of the first sucker rod is clamped tightly through the clamping assembly, the lifting appliance is disassembled from the first sucker rod, and the second sucker rod is lifted in the same mode, so that the bottom end of the second sucker rod is aligned to the screwing assembly. Then, the screw thread is installed between two adjacent sucker rods through the screwing assembly, so that the two adjacent sucker rods are connected with each other. And finally, releasing the clamping of the clamping assembly on the first sucker rod, controlling a lifting system of the workover rig to drive the lifting appliance to continuously descend until the top end of the second sucker rod is aligned with the screwing assembly to prepare for connecting a third sucker rod, and repeating the steps until the completion of the running-in of all the sucker rods.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a sucker rod provided by an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a sucker rod tripping device provided by an embodiment of the present disclosure;
fig. 3 is a top view of a clamping assembly provided by embodiments of the present disclosure.
The symbols in the drawings represent the following meanings:
1. an operation table; 2. a clamping assembly; 21. a barrel; 22. clamping the oil cylinder; 23. slips; 24. a centering centralizer; 3. a turnbuckle assembly; 31. screwing the oil cylinder; 32. screwing tongs; 33. spare pliers; 4. a spreader; 5. a lighting assembly; 51. a support bar; 52. a light fixture; 6. a flushing assembly; 7. a hydraulic single valve plate; 8. connecting and hanging short sections; 9. a rod moving assembly; 91. a base; 92. a conveyor belt; 10. a traversing assembly; 101. a support; 102. a traversing mechanism; 1021. transversely moving the oil cylinder; 1022. an elastic claw; 100. a sucker rod; 110. a rod body; 120. fang Leng; 130. an outer flange; 200. a well head flange plate; 310. a derrick of a workover rig; 320. a lifting system; 400. and (4) threading.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
In the process of producing oil, it is a necessary work item to lift the sucker rod 100 from the oil well or to lower the sucker rod 100 into the oil well.
Fig. 1 is a schematic structural diagram of a sucker rod 100. In conjunction with fig. 1, the sucker rod 100 includes a rod body 110, a Fang Leng, and an outer flange 130. An outer flange 130 is attached to the outer perimeter of the stem 110 near the top end, and Fang Leng is attached to the outer perimeter of the stem 110 between the top end of the stem 110 and the outer flange 130. The outer peripheral wall of the rod body 110 has external threads at the top and bottom ends thereof, so that the two rod bodies 110 can be axially connected together by having the screw threads 400 each having an internal thread at both ends.
In the related art, 4 persons are generally needed to complete the lifting of the sucker rod 100 and the lowering of the sucker rod 100, 1 workover rig driver is responsible for the lifting operation of the sucker rod 100, 2 persons complete the operations of manually hanging and picking the elevator at the well mouth, pushing and pulling the operating screw 400 hydraulic clamp, taking in and taking off the sucker rod 100 and the like, and 1 field worker is responsible for the transportation of the sucker rod 100 between the well mouth and the discharge site.
Therefore, the lifting operation of the sucker rod 100 requires a lot of manpower, and the labor intensity is high, which is easy to cause safety accidents.
In order to solve the above technical problem, the present disclosure provides a tripping device, as shown in fig. 2, which includes an operation table 1, a clamping assembly 2, a spinner assembly 3 and a spreader 4.
The operation panel 1 is used for being connected with well head ring flange 200, has the through-hole on the operation panel 1, and the through-hole runs through the opposite both sides of operation panel 1 to communicate well head ring flange 200. The clamping assembly 2 is located on one side, deviating from the wellhead flange plate 200, of the operating platform 1 and is connected with the operating platform 1, the inner space of the clamping assembly 2 is communicated with the through hole, and the clamping assembly 2 is used for clamping the sucker rod 100 located in the inner space of the clamping assembly 2. The screwing component 3 is used for connecting with a derrick 310 of a workover rig, the screwing component 3 is positioned on one side of the clamping component 2, which is far away from the operating platform 1, and the screwing component 3 is used for screwing a thread 400 between two adjacent sucker rods 100. The lifting appliance 4 is used for being connected with a lifting system 320 of the workover rig, the lifting appliance 4 is positioned on one side of the spinner assembly 3, which is far away from the clamping assembly 2, and the lifting appliance 4 is used for lifting the sucker rod 100.
It should be noted that only one sucker rod 100 is shown in FIG. 1 in order to raise and lower the sucker rod assembly itself, with the top of the sucker rod 100 extending beyond the clamping assembly 2.
When the sucker rod device is pulled out of the sucker rod 100, the lifting system 320 of the workover rig is controlled to drive the lifting device 4 to descend, so that the lifting device 4 is connected with the sucker rod 100. The lifting system 320 for controlling the workover rig drives the lifting appliance 4 to ascend, so that the sucker rods 100 ascend together with the lifting appliance, and sequentially pass through the wellhead flange 200, the through holes of the operating platform 1 and the inner space of the clamping assembly 2 until the screw thread 400 between two adjacent sucker rods 100 is aligned with the screwing assembly 3. At this time, the top of the sucker rod 100 located above in the two adjacent sucker rods 100 has protruded out of the inner space of the clamping assembly 2, and the bottom of the sucker rod 100 located below in the two adjacent sucker rods 100 is also located in the inner space of the clamping assembly 2. Then, the sucker rod 100 positioned below is clamped by the clamping assembly 2, the screwing assembly 3 is clamped on the screw thread 400 between two adjacent sucker rods 100, and the screw thread 400 is detached by the screwing assembly 3. At this time, the connection between the adjacent two sucker rods 100 has been released. Finally, the lifting system 320 controlling the workover rig drives the lifting tool 4 to rise continuously, so as to take away the sucker rod 100 above to prepare for taking out the sucker rod 100 below, and the process is repeated until all the sucker rods 100 are taken out.
When the sucker rod device provided by the embodiment of the disclosure is used for lowering the sucker rod 100, firstly, the lifting appliance 4 is connected with the first sucker rod 100, and the lifting system 320 of the workover rig is controlled to drive the lifting appliance 4, so that the first sucker rod 100 is positioned right above the clamping component 2. The lifting system 320 for controlling the workover rig drives the lifting appliance 4 to descend, so that the first sucker rod 100 descends along with the lifting appliance until part of the first sucker rod 100 is positioned in the inner space of the clamping assembly 2, and the top end of the first sucker rod 100 is aligned with the spinner assembly 3. Next, the first sucker rod 100 located in the inner space thereof is clamped by the clamping assembly 2, the hoist 4 is detached from the first sucker rod 100, and the second sucker rod 100 is hoisted in the same manner, so that the bottom end of the second sucker rod 100 is aligned with the spinner assembly 3. Then, the thread 400 is installed between the adjacent two sucker rods 100 by the turn-buckle assembly 3, so that the adjacent two sucker rods 100 are connected to each other. Finally, the clamping of the clamping assembly 2 on the first sucker rod 100 is released, the lifting system 320 of the workover rig is controlled to drive the lifting appliance 4 to continue descending until the top end of the second sucker rod 100 is aligned with the spinner assembly 3 to prepare for connecting a third sucker rod 100, and the process is repeated until the descending of all the sucker rods 100 is completed.
In this embodiment, the spreader 4 is a floating chuck which can vertically move up and down in a direction perpendicular to the horizontal plane, and the floating chuck is formed by detachably assembling two parts together. When the sucker rod 100 is hoisted, the two parts of the moving chuck are respectively sleeved on the rod body 110, so that the top of the moving chuck is propped against the bottom of the outer flange 130, and the sucker rod 100 can be hoisted through the moving chuck. When the floating chuck is removed from the sucker rod 100, only the two parts of the floating chuck need to be disassembled.
Fig. 3 is a top view of the gripping assembly 2, and in conjunction with fig. 3, in this embodiment, the gripping assembly 2 includes a cylinder 21, a plurality of gripping cylinders 22, and a plurality of slips 23. The cylinder 21 is connected with the operation table 1, each clamping cylinder 22 is circumferentially arranged along the inner circumferential wall of the cylinder 21 at intervals, a first end of each clamping cylinder 22 is connected with the inner circumferential wall of the cylinder 21, and a second end of each clamping cylinder 22 extends along the radial direction of the cylinder 21 and is connected with a corresponding slip 23.
In the above implementation, the cylinder 21 is used to provide a mounting base for the clamping cylinder 22. The clamping cylinders 22 correspond to the slips 23 one by one, and the clamping cylinders 22 are circumferentially arranged along the inner circumferential wall of the cylinder 21 at intervals, so that when the clamping cylinders 22 are extended to abut the slips 23 on the outer circumferential wall of the sucker rod 100, the slips 23 can uniformly apply force to the sucker rod 100, and the clamping assembly 2 can be guaranteed to stably clamp the sucker rod 100.
Illustratively, the clamping cylinders 22 are hinged to the corresponding slips 23, so that the slips 23 can swing adaptively during the process of pressing the slips 23 against the sucker rod 100, thereby clamping the sucker rod 100 more stably.
Illustratively, the slips 23 have anti-slip teeth on the side facing away from the gripping cylinder 22 to more securely grip the sucker rod 100.
Referring again to fig. 2, optionally, the gripper assembly 2 further comprises a centering centralizer 24, the centering centralizer 24 being located at the top of the barrel 21, the centralizing bore of the centering centralizer 24 being coaxial with the barrel 21.
In the above implementation, the centering centralizer 24 is used to centralize the sucker rod 100 being threaded through to align the barrel 21 so that the sucker rod 100 can accurately enter the interior space of the gripper assembly 2.
Exemplarily, right the hole for the bell mouth, and right the great one end of the internal diameter of hole for right the top of hole, right the less one end of the internal diameter of hole for right the bottom of hole, right the bottom of hole and centre gripping subassembly 2's inner space intercommunication. So design for sucker rod 100 can be by effectual rightting when passing righting the hole from top to bottom, and smooth entering centre gripping subassembly 2's inner space.
In the present embodiment, the spinner assembly 3 includes a spinner cylinder 31 and spinner jaws 32. The first end of the screwing oil cylinder 31 is used for being connected with a derrick 310 of a workover rig, the second end of the screwing oil cylinder 31 extends horizontally and is connected with the screwing clamp 32, and a jaw of the screwing clamp 32 deviates from the screwing oil cylinder 31 and is used for clamping a screw thread 400 between two adjacent sucker rods 100.
In the above implementation, the spinner clamp 32 can be driven to move along the horizontal plane by the spinner cylinder 31 so as to be close to the sucker rod 100 or far away from the sucker rod 100. When it is required to screw the thread 400 between two adjacent sucker rods 100 by the screwing clamp 32, the screwing cylinder 31 is extended so that the screwing clamp 32 moves toward the sucker rod 100 until the screwing clamp 32 is engaged with the thread 400, and then the screwing clamp 32 is driven to work to screw the thread 400.
Illustratively, both the spinner cylinder 31 and the spinner clamp 32 may be driven by hydraulic energy.
It should be noted that, by using the derrick 310 of the workover rig as the installation base of the spinner assembly 3, the spinner assembly 3 can be stably positioned at one side of the operating platform 1, so as to facilitate the screwing of the thread 400 between two adjacent sucker rods 100. In other embodiments, the screwing component 3 can also use other devices as a mounting base, or a mounting frame is specially configured, so that the screwing component 3 is stably located at one side of the operating platform 1, and the screwing of the screw thread 400 between two adjacent sucker rods 100 can be realized.
Optionally, the spinner assembly 3 further comprises a backup tong 33, the backup tong 33 is located below the spinner tong 32 and connected to the second end of the spinner cylinder 31, and a jaw of the backup tong 33 faces away from the spinner cylinder 31 for gripping Fang Leng of the sucker rod 100.
In the above implementation manner, in the process of screwing the screw thread 400, the backup wrench 33 is clamped on the Fang Leng of the sucker rod 100, so that the sucker rod 100 can be prevented from rotating together with the screwed screw thread 400, and the screwing efficiency of the screw thread 400 is improved.
It will be readily appreciated that the backup tong 33 may be of the same construction as the spinner tong 32, so that if the spinner tong 32 fails, the backup tong 33 can be used in emergency, temporarily replacing the spinner tong 32 to spin the thread 400, improving the reliability of the spinner assembly 3.
In order to facilitate the alignment of the turnbuckle assembly 3 with the screw thread 400 between two adjacent sucker rods 100, the trip device further comprises an illumination assembly 5, and the illumination assembly 5 is connected with the top of the clamping assembly 2. So designed, can pass the lighting assembly 5 to illuminate the sucker rod 100 that is stretched out by the top of the clamping assembly 2, thus it is easy for the workman to observe, in order to align the turnbuckle assembly 3 with the screw thread 400 between two adjacent sucker rods 100. When easily understand, owing to the configuration by lighting assembly 5 for the pumping rod device of getting up and down can work night, has improved the suitability.
Optionally, the lighting assembly 5 comprises a support rod 51 and a lamp 52, wherein the bottom end of the support rod 51 is connected to the top of the clamping assembly 2, and the lamp 52 is connected to the top of the support rod 51.
When the sucker rod 100 is lifted out of the oil well, the sucker rod 100 is inevitably contaminated with oil stains, and if the sucker rod is directly lifted out, the environment is undoubtedly polluted, and inconvenience is caused to construction. In order to solve the above technical problem, in this embodiment, the sucker rod tripping device further includes a flushing assembly 6, a bottom of the flushing assembly 6 is connected to the operation console 1, a top of the flushing assembly 6 is connected to a bottom of the clamping assembly 2, an inner space of the flushing assembly 6 is communicated with an inner space of the clamping assembly 2, and the flushing assembly 6 is used for flushing the sucker rod 100 located in the inner space thereof.
In the process of pulling out sucker rod 100, flushing assembly 6 continuously works, when sucker rod 100 passes through the inner space of flushing assembly 6, flushing assembly 6 can flush sucker rod 100 to the greasy dirt on sucker rod 100 is washed totally, avoids the greasy dirt polluted environment on the sucker rod 100 who pulls out.
Illustratively, a plurality of high pressure nozzles may be disposed within the flushing assembly 6, the high pressure nozzles being circumferentially spaced apart and capable of emitting a high pressure stream of water. When the sucker rod 100 is routed through the interior space of the flushing assembly 6, i.e. from between the circumferentially arranged high pressure nozzles, so that the sucker rod 100 is flushed by a high pressure water stream.
It will be readily appreciated that the high pressure nozzle is connected to a water supply via a hose to ensure that a high pressure stream of water can be continuously delivered. The water source can be a pump station, a workover rig and other equipment.
In this embodiment, the device for tripping the sucker rod further comprises a hydraulic single valve plate 7, wherein a first port of the hydraulic single valve plate 7 is positioned in the wellhead flange plate 200 and is used for being communicated with the oil pipe hanger, and a second port of the hydraulic single valve plate 7 is communicated with the inner space of the clamping assembly 2.
In the above implementation, a hydraulically operated single valve plate 7 is used to open or close the passage between the tubing hanger and the interior space of the clamping assembly 2. When the sucker rod 100 is pulled down, the hydraulic single valve plate 7 is opened, and the sucker rod 100 can normally pass through the first end and the second end of the hydraulic single valve plate 7. The hydraulically operated single valve plate 7 closes when there is no need to trip the sucker rod 100 or to emergency close the passage between the tubing hanger and the interior space of the clamping assembly 2.
For example, the hydraulically operated single valve plate 7 can be driven by hydraulic energy.
In this embodiment, the oil pumping rod device of having got up and down still includes even string nipple 8, and the middle part of even string nipple 8 is arranged in the through-hole of operation panel 1, and the through-hole that operation panel 1 was stretched out on the top of even string nipple 8 communicates with the first end of single valve plate 7 that surges, and the through-hole that operation panel 1 was stretched out to the bottom of even string nipple 8 communicates with the tubing hanger.
That is to say, the coupling short joint 8, the hydraulic single valve plate 7, the flushing assembly 6 and the clamping assembly 2 are sequentially communicated from bottom to top. Namely, the bottom end of the coupling short section 8 is communicated with the oil pipe hanger, the top end of the coupling short section 8 is communicated with the bottom end of the hydraulic single valve plate 7, the top end of the hydraulic single valve plate 7 is communicated with the bottom end of the flushing assembly 6, and the top end of the flushing assembly 6 is communicated with the bottom end of the clamping assembly 2.
In this embodiment, the trip apparatus further comprises a traverse rod assembly 9 and a traverse assembly 10. The rod moving assembly 9 comprises a base 91 and a conveyor belt 92, wherein the base 91 is spaced apart from the operation table 1, the conveyor belt 92 is positioned on the top of the base 91, a first end of the conveyor belt 92 faces the top of the clamping assembly 2, and a second end of the conveyor belt 92 extends downwards and slantwise away from the top of the clamping assembly 2. The traversing assembly 10 comprises a support 101 and a traversing mechanism 102, wherein the bottom of the support 101 is connected with the operation table 1 and is positioned at one side of the operation table 1, which is far away from the wellhead flange plate 200, and the traversing mechanism 102 is connected with the top of the support 101 and is used for driving the sucker rod 100 to move between the conveyor belt 92 and the top of the clamping assembly 2 along the horizontal direction.
In the above implementation, the automatic conveying and recovering of the sucker rod 100 can be realized through the cooperation of the traverse rod assembly 9 and the traverse assembly 10.
The automatic feeding and retrieving mode of the sucker rod 100 will be described.
When the sucker rod 100 is pulled out, for two adjacent sucker rods 100, after the screw thread 400 between the upper sucker rod 100 and the lower sucker rod 100 is released, the cross-sliding mechanism 102 is operated to drive the sucker rod 100 to move towards the conveyor belt 92 along the horizontal direction until the sucker rod 100 is above the conveyor belt 92. The lifting system 320 is controlled to descend so that the sucker rod 100 is placed on the first end of the conveyor belt 92, the connection between the hanger 4 and the sucker rod 100 is released, and the sucker rod 100 can be moved from the first end to the second end through the conveyor belt 92 to achieve the recovery of the sucker rod 100.
When the sucker rod 100 is lowered, a worker places the sucker rod 100 on the second end of the conveyor belt 92 and controls the operation of the conveyor belt 92 so that the sucker rod 100 moves from the second end to the first end. The hoist 4 is attached to the sucker rod 100 and the lifting system 320 is controlled to ascend so that the sucker rod 100 is detached from the conveyor belt 92. The traversing mechanism 102 operates to drive the sucker rod 100 in a horizontal direction toward the top of the clamping assembly 2 until the sucker rod 100 is positioned directly above the clamping assembly 2 to effect the conveyance of the sucker rod 100.
Illustratively, the conveyor belt 92 is a V-shaped conveyor belt.
Optionally, the traversing mechanism 102 includes a traversing cylinder 1021 and a resilient claw 1022. The first end of the traverse cylinder 1021 is connected with the bracket 101, the second end of the traverse cylinder 1021 is connected with the elastic claw 1022, and the claw opening of the elastic claw 1022 deviates from the traverse cylinder 1021 for clamping the sucker rod 100.
In the above implementation, the traverse cylinder 1021 is used to provide a driving force to the elastic claw 1022 so that the elastic claw 1022 can move between the conveyor belt 92 and the top of the grip assembly 2. The jaw of the elastic claw 1022 has elasticity and is a U-shaped structural member, when the elastic claw 1022 contacts the sucker rod 100 under the driving of the traverse cylinder 1021, since the outer peripheral wall of the sucker rod 100 is a convex curved surface, the elastic claw 1022 will be spread and can lock the sucker rod 100 by means of its own elasticity under the further driving of the traverse cylinder 1021.
The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.
Claims (4)
1. The device for tripping the sucker rod is characterized by comprising an operating platform (1), a clamping assembly (2), a screwing assembly (3) and a lifting appliance (4);
the operating platform (1) is used for being connected with a wellhead flange plate (200), through holes are formed in the operating platform (1), and the through holes penetrate through two opposite sides of the operating platform (1) to be communicated with the wellhead flange plate (200);
the clamping assembly (2) is positioned on one side, away from the wellhead flange plate (200), of the operating platform (1) and connected with the operating platform (1), the inner space of the clamping assembly (2) is communicated with the through hole, and the clamping assembly (2) is used for clamping a sucker rod (100) positioned in the inner space of the clamping assembly;
the screwing component (3) is used for being connected with a derrick (310) of a workover rig, the screwing component (3) is positioned on one side of the clamping component (2) which is far away from the operating platform (1), and the screwing component (3) is used for screwing a screw thread (400) between two adjacent sucker rods (100);
the lifting appliance (4) is used for being connected with a lifting system (320) of the workover rig, the lifting appliance (4) is positioned on one side, away from the clamping assembly (2), of the spinner assembly (3), and the lifting appliance (4) is used for lifting the sucker rod (100);
the screwing component (3) comprises a screwing oil cylinder (31) and screwing pincers (32);
the first end of the screwing oil cylinder (31) is used for being connected with a derrick (310) of the workover rig, and the second end of the screwing oil cylinder (31) extends horizontally and is connected with the screwing clamp (32);
the jaw of the screwing clamp (32) deviates from the screwing oil cylinder (31) and is used for clamping a screw thread (400) between two adjacent sucker rods (100);
the screwing component (3) further comprises a standby clamp (33), the standby clamp (33) is positioned below the screwing clamp (32) and is connected with the second end of the screwing oil cylinder (31), and a jaw of the standby clamp (33) deviates from the screwing oil cylinder (31) and is used for clamping Fang Leng (120) of the sucker rod (100);
the lifting appliance (4) is a moving chuck, the moving chuck is formed by assembling two parts together in a detachable mode, the moving chuck is used for lifting the sucker rod (100), the two parts of the moving chuck are respectively sleeved on the rod body (110), and the top of the moving chuck is abutted to the bottom of the outer flange (130);
the sucker rod tripping device further comprises a flushing assembly (6), the bottom of the flushing assembly (6) is connected with the operating platform (1), the top of the flushing assembly (6) is connected with the bottom of the clamping assembly (2), the inner space of the flushing assembly (6) is communicated with the inner space of the clamping assembly (2), the flushing assembly (6) is used for flushing the sucker rod (100) located in the inner space of the flushing assembly (6), the flushing assembly (6) comprises a plurality of high-pressure nozzles, the high-pressure nozzles are circumferentially arranged at intervals, and the high-pressure nozzles can spray high-pressure water flow;
the sucker rod tripping device further comprises an illuminating assembly (5), the illuminating assembly (5) is connected with the top of the clamping assembly (2), the illuminating assembly (5) comprises a supporting rod (51) and a lamp (52), the bottom end of the supporting rod (51) is connected to the top of the clamping assembly (2), and the lamp (52) is connected to the top of the supporting rod (51);
the sucker rod tripping device also comprises a rod moving assembly (9) and a transverse moving assembly (10);
the moving rod assembly (9) comprises a base (91) and a conveyor belt (92), the base (91) and the operating platform (1) are spaced from each other, the conveyor belt (92) is located at the top of the base (91), a first end of the conveyor belt (92) faces the top of the clamping assembly (2), and a second end of the conveyor belt (92) extends downwards and deviates from the top of the clamping assembly (2);
the traversing assembly (10) comprises a bracket (101) and a traversing mechanism (102), the bottom of the bracket (101) is connected with the operating platform (1) and is positioned on one side of the operating platform (1) which is far away from the wellhead flange plate (200), and the traversing mechanism (102) is connected with the top of the bracket (101) and is used for driving the sucker rod (100) to move between the conveyor belt (92) and the top of the clamping assembly (2) along the horizontal direction;
the transverse moving mechanism (102) comprises a transverse moving oil cylinder (1021) and an elastic claw (1022);
a first end of the transverse moving oil cylinder (1021) is connected with the bracket (101), and a second end of the transverse moving oil cylinder (1021) is connected with the elastic claw (1022);
the jaw opening of the elastic jaw (1022) deviates from the traverse oil cylinder (1021) and is used for clamping the sucker rod (100).
2. The trip rod assembly of claim 1, wherein the gripping assembly (2) comprises a barrel (21), a plurality of gripping cylinders (22), and a plurality of slips (23);
the cylinder (21) is connected with the operating platform (1);
each centre gripping hydro-cylinder (22) are followed the internal perisporium circumference interval arrangement of barrel (21), the first end of centre gripping hydro-cylinder (22) with the internal perisporium of barrel (21) links to each other, the second end of centre gripping hydro-cylinder (22) is followed the radial extension of barrel (21), and with correspond slips (23) link to each other.
3. The tripping sucker rod device of claim 2, wherein the clamping assembly (2) further comprises a centering centralizer (24), the centering centralizer (24) being located at the top of the barrel (21), the centralizing bore of the centering centralizer (24) being coaxial with the barrel (21).
4. The tripping sucker rod device of any one of claims 1-3, further comprising a hydraulic single valve plate (7), a first port of the hydraulic single valve plate (7) being located in the wellhead flange (200) and being adapted to communicate with a tubing hanger, a second port of the hydraulic single valve plate (7) being in communication with an interior space of the clamping assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338479.1A CN112502641B (en) | 2020-11-25 | 2020-11-25 | Device for pulling down sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011338479.1A CN112502641B (en) | 2020-11-25 | 2020-11-25 | Device for pulling down sucker rod |
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| CN112502641A CN112502641A (en) | 2021-03-16 |
| CN112502641B true CN112502641B (en) | 2023-01-10 |
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| CN202011338479.1A Active CN112502641B (en) | 2020-11-25 | 2020-11-25 | Device for pulling down sucker rod |
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| CN (1) | CN112502641B (en) |
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| CN104314483B (en) * | 2014-10-27 | 2017-02-15 | 济南同日工业机器人科技有限公司 | Automatic auxiliary workover rig |
| CN105672906B (en) * | 2014-11-21 | 2018-02-23 | 中国石油化工股份有限公司 | A kind of single elevator lower oil tube device and technique |
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| CN203097755U (en) * | 2012-04-26 | 2013-07-31 | 中国石化集团江汉石油管理局第四机械厂 | Hydraulic bidirectional-control slip |
| CN103061692A (en) * | 2013-02-19 | 2013-04-24 | 崔诗光 | Automatic running and pulling system of oilfield workover string |
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| Publication number | Publication date |
|---|---|
| CN112502641A (en) | 2021-03-16 |
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