CN112878932A - Automatic pulley device for lifting and lowering tubular column in oil well operation - Google Patents
Automatic pulley device for lifting and lowering tubular column in oil well operation Download PDFInfo
- Publication number
- CN112878932A CN112878932A CN201911209531.0A CN201911209531A CN112878932A CN 112878932 A CN112878932 A CN 112878932A CN 201911209531 A CN201911209531 A CN 201911209531A CN 112878932 A CN112878932 A CN 112878932A
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- Prior art keywords
- oil pipe
- hoop
- plate
- shaft
- oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003129 oil well Substances 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000004513 sizing Methods 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 86
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- 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
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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 relates to an automatic tackle device for tripping a tubular column in oil well operation, which consists of a pull-type locking buckle of a rear distance measuring sensor, an oil pipe bracket, a supporting plate shaft, a semicircular surrounding edge, a spring, a contact switch, a driven ratchet wheel, a chain, an oil pipe hoop, a driving ratchet wheel, a control box, a front distance measuring sensor, an oil pipe, a wheel shaft, a carriage plate, a supporting plate, a bearing, a sizing block, a driven wheel, a motor controller and a circuit board, a motor, a supporting plate, a driving wheel, an electromagnetic clutch, a storage battery, an indicator light and a baffle plate. And the economic benefit of the whole oil production is improved.
Description
Technical Field
The invention relates to the field of petroleum underground operation auxiliary equipment, in particular to an automatic pulley device for tripping a tubular column in oil well operation.
Background
The protection wire of the pipe column is exposed when the pipe column is lifted in the oil well operation, the thread protection is a big problem when the pipe column is hoisted, the thread end is matched with the pulley, a lot of crude oil is brought out from the underground when the pipe column is lifted in the oil well, the crude oil is viscous, the crude oil drops on the oil pipe arranged on the ground in the operation process and is condensed into a lump of oil blocks, the pulley is also stained with oil stains and is condensed into a lump, so that the pulley is difficult to advance and even can not slide, therefore, workers need to clean the pipe column as a temporary track at certain intervals or a new group of pipe columns, in addition, the pulley can not automatically return to a well head after being pulled from one end of the ground to the other end of the ground, the pulley needs to be manually returned to the other end of the ground, the pulley is inconvenient to operate due to the self-weight of the pulley, most of the pulleys are abandoned, at present, most of operation teams adopt two oil, the thread is directly dragged on the pipe column, so that the thread and the sealed conical surface of the oil pipe are damaged, the sealing effect is poor after the oil pipe is put into the well after the oil pipe is long, the oil pipe cannot be pressed, and an oil pipe factory needs to spend a large amount of manpower and material resources to maintain the oil pipe thread every year, so that the whole oil extraction production operation and the whole benefit are influenced.
Disclosure of Invention
The invention aims to provide an automatic pulley device for tripping a tubular column in oil well operation.
The technical scheme of the invention is as follows:
the automatic tubing string tripping device (hereinafter referred to as a "tackle") for oil well operation comprises a rear distance measuring sensor, a pull-type locking buckle, an oil pipe bracket, a supporting plate shaft, a semicircular edge, a spring, a contact switch, a driven ratchet, a chain, an oil pipe hoop, a driving ratchet, a control box, a front distance measuring sensor, an oil pipe, a wheel shaft, a compartment plate, a supporting plate, a bearing, a small compartment, a driven wheel, a motor controller, a circuit board, a motor, a supporting plate, a driving wheel, an electromagnetic clutch, a storage battery, an indicator light, a sizing block and a baffle, and is structurally assembled as follows: two oil pipes are found in an operation field and are arranged in parallel on a pipe column bridge, two ends of each oil pipe are respectively sleeved with an oil pipe hoop, two sides of each oil pipe hoop are respectively locked by pull-type locking buckles, the two parallel oil pipes form a temporary pulley track, a pulley is placed on the track and consists of a front group of four sliding wheels and a rear group of four sliding wheels which are arranged below a carriage plate, the two front sliding wheels are driving wheels, the two rear sliding wheels are driven wheels, two bearings of the driving wheels are arranged on the carriage plate, a wheel shaft penetrates through the two bearings and is fixedly connected to the two driving wheels, a driven ratchet wheel with a ratchet is arranged in the middle of the wheel shaft, and an inner sleeve of the driven ratchet wheel is fixed; the bearings of the driven wheel are arranged on the wheels, the wheel shaft of the driven wheel is connected with the two wheels with the bearings, and the wheel shaft of the driven wheel is fixed on the carriage plate; the front end of a pulley carriage plate is provided with a control box, a motor controller, a circuit board and a storage battery are arranged in the control box, a motor shaft is connected to an electromagnetic bearing bush of an electromagnetic clutch to drive the electromagnetic bearing bush to rotate, a clutch plate and a driving ratchet wheel are connected through a shaft and penetrate through a driving ratchet wheel bearing, a circle of closed chain is arranged on the driving ratchet wheel, the chain penetrates through a long strip opening on the small control box to enter the lower part of the carriage plate, and the other end of the chain is connected with; the front end of the control box is provided with a distance measuring sensor, and both sides of the control box are provided with indicating lamps; as shown in fig. 2, the oil pipe hoops are arranged on two oil pipes, and one of the oil pipe hoops is provided with a baffle; as shown in fig. 3, a circular hole is arranged on the pulley compartment plate, a cylinder is arranged below the circular hole, a spring is arranged in the cylinder, and a contact switch is arranged at the bottom of the cylinder; a cylindrical semicircular surrounding edge with a half edge opening is arranged around the circular hole; one side of a carriage plate of the pulley is provided with a pair of parallel supporting plate brackets, one supporting plate is connected to the supporting plate bracket through a supporting plate shaft, the front end of the supporting plate surface is provided with a sizing block, a cylinder is arranged below the sizing block and can be inserted into the cylinder of the carriage plate to press a spring, the rear end of the supporting plate is provided with a bracket, the bracket is provided with a shaft hole, an oil pipe bracket in an arc groove shape is connected with the bracket through a shaft, thread grains are arranged in the arc oil pipe bracket, the oil pipe bracket shaft is eccentrically arranged, and the oil pipe bracket is inclined to be close to one side of; one side of the control box is provided with a supporting plate which is higher than the control box; the motor, the electromagnetic clutch, the storage battery, the indicator light, the distance measuring sensor and the contact switch are respectively connected with the motor controller and the circuit board through power and signal cables, and the control box is provided with a power supply 'switch' and 'pipe lifting' and 'pipe lowering' state buttons and further provided with 'forward' and 'backward' manual control buttons.
When the oil pipe is lifted from the oil well, firstly, a power supply switch on a control box is turned on, then a pipe lifting column button is pressed, an oil pipe hoop with a baffle plate is arranged on one side of a bridge frame close to a well mouth, a pulley is placed between two groups of oil pipe hoops of a temporary track formed by oil pipes and close to the well mouth, a front distance measuring sensor in front of a trolley control box faces the direction of the oil pipe hoop with a metal baffle plate, a supporting plate frame is adjusted to be fixed by a pin rod along the opening in the direction of the well mouth, then the oil pipe is lifted out of the oil well, a single oil pipe is dismounted by a hydraulic tong, a steel wire rope drives a lifting clamp to lift an oil pipe coupling, a worker pulls the oil pipe coupling to be placed on a circular sizing block of a supporting plate of the pulley by hand, a cylinder under the sizing block presses a spring buffer under the cylinder to relieve the impact of a screw thread and the sizing block, and, the system control turns off the power supply of the motor and the electromagnetic clutch, at the moment, the driving ratchet wheel of the main wheel is in a free action state, a worker operates the operating machine to release the steel wire rope, the oil pipe drives the tackle to move forwards along the rail by the aid of self tilting force, when the oil pipe tilts to a certain angle, the oil pipe screw thread is gradually attached to the oil pipe bracket to press the oil pipe bracket to rotate around the shaft in a tilting manner, the sliding wheel slides forwards, the tackle stops moving to the other side of the temporary rail of the oil pipe, at the moment, the worker manually presses down the oil pipe, the end of the oil pipe takes the support plate as a fulcrum, the oil pipe screw thread is drawn out of the oil pipe bracket and rolls onto the oil pipe bridge frame to be arranged, at the moment, the oil pipe bracket on the support plate tilts and droops by the aid of self weight, the support plate cylinder bounces up, the motor rotates the electromagnetic clutch to rotate, the electromagnetic clutch drives the driving ratchet to rotate, the driving ratchet drives the driven ratchet to rotate positively through the chain, the driven ratchet drives the two driving wheels connected with the shaft to rotate, the driving pulley automatically returns along a temporary track formed by the two oil pipes and the oil pipe hoop, when the pulley returns to a baffle of the wellhead oil pipe hoop, the front distance measuring sensor senses a front shielding object, the motor controller and the circuit board control pulley motor stops rotating and brakes, the trolley stops running, meanwhile, the electromagnetic clutch power supply is turned off, the next oil pipe to be lifted out from the well is placed on the pulley, and the automatic pulley auxiliary operation of the oil pipe is completed in a round and round mode.
When the oil pipe is put into the oil well, firstly, a power supply switch on a control box is turned on, then a lower pipe column button is pressed, an oil pipe hoop with a baffle plate is arranged on one side of a bridge frame, which is far away from a well mouth, a pulley is placed on one side of a temporary track, which is far away from the well mouth, a rear distance measuring sensor faces back to the well mouth and faces the baffle plate, a wellhead worker can hoist an oil pipe buckle on the oil pipe bridge frame, another worker can lift the oil pipe buckle end by hand and place the oil pipe buckle end on the pulley, the oil pipe is pressed on an oil pipe bracket, the oil pipe bracket presses the bracket, a cylinder at the bottom of the bracket presses a contact switch in a box plate cylinder to retract to generate an action signal, a system controls a motor and an electromagnetic clutch to stop acting, a steel wire rope lifts the oil pipe through the elevator to drag the pulley to move backwards, at the moment, the driving ratchet wheel can rotate freely without being stressed; when the pulley moves to the wellhead, workers operate the operating machine to hoist the oil pipe and put the oil pipe into the well, at the moment, the oil pipe bracket and the supporting plate lose the heavy objects, the carriage plate cylinder springs up the supporting plate cylinder, the supporting plate cylinder leaves a contact switch to generate an action signal, a system controls a pulley motor and an electromagnetic clutch to be connected, the motor drives the electromagnetic clutch to rotate, the electromagnetic clutch drives a driving ratchet wheel to rotate, the driving ratchet wheel drives a chain and a driven ratchet wheel to rotate reversely, the driving ratchet wheel drives a driving wheel to rotate, the driving pulley automatically returns to one end of a temporary track away from a wellhead to reach a baffle of an oil pipe hoop, a front distance measuring sensor senses a shielding object in front, the system controls the pulley motor to stop rotating and brake, and the pulley stops running, at the moment, the electromagnetic clutch is controlled to be powered off, and workers wait for lifting a next oil pipe from the bridge frame to put the next oil pipe into the bridge frame, so that the automatic pulley auxiliary operation of the oil pipe is completed in cycles.
Each working team is provided with two sets of storage batteries, one set of storage batteries is used for working on the trolley, the other set of storage batteries is placed in a well-parking room for charging for later use, when the voltage of the storage batteries on the trolley is low, an indicator lamp on the trolley flashes a red light to prompt that the power supply is insufficient, and the batteries can be replaced and then used continuously; when the oil pipe is used as a temporary track, crude oil brought up from the underground is scattered and solidified on the track, so that the track cannot slide, the pull-type locking buckle on the oil pipe hoop can be quickly opened, two oil pipes without oil stains are replaced, and the oil pipe hoop is clamped for continuous use; after the operation is finished, a worker unloads the temporary track from the bridge frame, unloads the oil pipe hoop, closes the power line switch of the pulley, and places the power line switch and the oil pipe hoop into a well room for storage so as to be used for the next well operation, and the two oil pipes serving as the temporary track can be transported back to an oil pipe factory along with other oil pipes in the field.
The device has a novel structure, solves the problem that the pipe string pulling and pulling tackle can not automatically return in operation, enables the general use of the tackle to be possible, is convenient to install the tackle and a track, has higher automation degree, does not need too much manual intervention when in use, does not directly use a higher-voltage power supply, is safe and reliable, and has more scientific and standard operation construction.
Description of the drawings:
fig. 1a to 1c are three views of the overall structure of the automatic block of the present invention, in which: FIG. 1a is a front view, FIG. 1b is a top view, and FIG. 1c is a left side view from section A-A of FIG. 1 a; 1d is a partially enlarged view of the pull-type locking buckle 2.
Fig. 2 is a schematic diagram of the pulley of the present invention in use for on-site installation.
Fig. 3 is a schematic view of the sled and pallet of the present invention.
FIG. 4 is a schematic view of the relationship between the collar and tubing of the present invention.
Fig. 5 is a schematic view of the assembly relationship of the motor 22, the electromagnetic clutch 25 and the driving ratchet 11 according to the present invention.
The specific implementation mode is as follows: the following further describes the implementation of the present invention with reference to the attached drawings.
As shown in figure 1, the automatic pipe string tripping tackle device for oil well operation comprises a rear distance measuring sensor 1, a pull-type locking buckle 2, an oil pipe bracket 3, a supporting plate shaft 4, a semicircular edge 5, a spring 6, a contact switch 7, a driven ratchet 8, a chain 9, an oil pipe hoop 10, a driving ratchet 11, a control box 12, a front distance measuring sensor 13, an oil pipe 14, an axle 15, a carriage plate 16, a supporting plate 17, a bearing 18, a sizing block 19, a driven wheel 20, a motor controller and circuit board 21, a motor 22, a supporting plate 23, a driving wheel 24, an electromagnetic clutch 25, a storage battery 26, an indicator lamp 27 and a baffle 28, as shown in figure 1.
In fig. 1, an elevator a and a bridge B are standard operation equipment, and an operation pipe column is a drill pipe or an oil pipe.
As shown in fig. 3, the oil pipe hoop 10 matched with the automatic tubing string running tackle for oil well operation comprises a hoop semi-ring 29, a hoop partition plate 30, a hoop hook 31 and a hoop shaft 32, wherein the structure assembly relationship is as follows, the two hoop partition plates 30 are used as supporting columns and are provided with two metal transverse plates up and down, the two ends of the upper transverse plate are provided with the hoop hook 31, the lower transverse plate is provided with two shaft sleeves, each shaft sleeve connects the hoop semi-ring 29 with the shaft sleeve through a pin rod, the end head of each hoop semi-ring 29 is provided with a pull-type locking buckle 2, the two sets of oil pipe hoops 10 are sleeved on an oil pipe 14 left and right, the pull-type locking buckle 2 is hung on the hoop hook 31 and.
The rear distance measuring sensor 11 and the front distance measuring sensor 1 are one of an infrared distance measuring sensor, a laser distance measuring sensor and a radar distance measuring sensor.
The manual control buttons for forward and backward movement provided on the control box 12 are used for manually controlling the operation of the pulley in special situations.
The motor 22 is one of a brushless speed reduction motor and a stepping speed reduction motor.
The indicator light 27 is an electric quantity indicator light of the storage battery 26, and the indicator light 27 is also used as a running indicator light of the tackle during night operation to indicate the current position and the running state of the tackle.
As shown in fig. 5, in order to assemble the structure of the motor 22, the electromagnetic clutch 25 and the driving ratchet 11, a motor shaft is connected to an electromagnetic bearing of the electromagnetic clutch 25 to drive it to rotate, the clutch plate 33 and the driving ratchet 11 are connected by a shaft and pass through a ratchet bearing 34 of the driving ratchet 11, when in use, the electromagnetic clutch 25 is energized, a magnetic field generated by a coil thereof attracts the iron clutch plate 33 to be closely attached to the iron clutch plate 33, and the iron clutch plate 33 and the driving ratchet 11 are driven to rotate by friction force to drive the clutch plate 33 and the driving ratchet 11 to rotate; when the electromagnetic clutch 25 is de-energized, the clutch plate 33 and the driving ratchet can freely rotate around the ratchet bearing 34.
Claims (2)
1. The utility model provides an automatic coaster device of oil well operation tripping string comprises back range sensor (1), pull-type locking is detained (2), oil pipe bracket (3), layer board axle (4), semicircle is enclosed along (5), spring (6), contact switch (7), driven ratchet (8), chain (9), oil pipe hoop (10), initiative ratchet (11), control box (12), preceding range sensor (13), oil pipe (14), shaft (15), railway carriage or compartment board (16), layer board (17), bearing (18), parallels (19), from driving wheel (20), motor (22) controller and circuit board (21), motor (22), backup pad (23), action wheel (24), electromagnetic clutch (25), battery (26), pilot lamp (27), baffle (28), its structure equipment relation as follows: two oil pipes (14) are found in an operation field and are arranged in parallel on a pipe column bridge, two ends of each oil pipe (14) are respectively sleeved with an oil pipe hoop (10), two sides of each oil pipe hoop (10) are respectively locked by a pull-type locking buckle (2), the two parallel oil pipes (14) form a temporary pulley track, the pulley is placed on the track and consists of a carriage plate (16) and a front group and a rear group of four pulley wheels which are arranged below the carriage plate, the two front pulley wheels are driving wheels (24), the two rear pulley wheels are driven wheels (20), two bearings of the driving wheels (24) are arranged on the carriage plate (16), a wheel shaft (15) penetrates through the two bearings and is connected to the two driving wheels (24) to be fixedly connected, the bearings of the driven wheels (20) are arranged on the wheels, the wheel shaft of the driven wheels (20) is connected with the two wheels provided with the bearings, and the wheel shaft of the driven wheels (20) is fixed on the carriage plate (16); a control box (12) is arranged at the front end of the pulley compartment plate (16), a motor (22) controller, a circuit board and a storage battery (26) are arranged in the control box (12), the motor (22) is connected to an electromagnetic bearing bush of an electromagnetic clutch (25) through a shaft to drive the electromagnetic bearing bush to rotate, a clutch disc is connected with a driving ratchet wheel (8) through the shaft and penetrates through a bearing of the driving ratchet wheel (8), a circle of closed chain (9) is arranged on the driving ratchet wheel (8), the chain (9) penetrates through a long strip opening in the small control box (12) and enters the lower part of the compartment plate (16), and the other end of the chain (9) is connected with a; a distance measuring sensor is arranged at the front end of the control box (12), and indicator lights (27) are arranged on two sides of the control box (12); the oil pipe hoops (10) are arranged on the two oil pipes, and a baffle plate (28) is arranged on one oil pipe hoop (10); a round hole is arranged on the pulley compartment plate (16), a cylinder is arranged below the round hole, a spring (6) is arranged in the cylinder, and a contact switch (7) is arranged at the bottom of the cylinder; a cylindrical semicircular surrounding edge (5) with a half edge opening is arranged around the circular hole; a pair of parallel supporting plate (17) supports are arranged on one side of a pulley carriage plate (16), one supporting plate (17) is connected to the supporting plate (17) supports through a supporting plate shaft (4), a sizing block (19) is arranged at the front end of the surface of the supporting plate (17), a cylinder is arranged below the sizing block (19), the cylinder can be inserted into the carriage plate cylinder to press a spring (6), a support is arranged at the rear end of the supporting plate (17), a shaft hole is formed in the support, an arc-groove-shaped oil pipe bracket (3) is connected with the support through a shaft, thread grains are arranged in the arc-shaped oil pipe bracket (3), the shaft of the oil pipe bracket (3) is eccentrically arranged, and the oil pipe bracket (3) tends to be close to one side of a semicircular surrounding edge (; a support plate (23) is arranged on one side of the control box (12), and the support plate (23) is higher than the control box (12); the motor (22), the electromagnetic clutch (25), the storage battery (26), the indicator lamp (27), the distance measuring sensor and the contact switch (7) are respectively connected with a motor (22) controller and a circuit board through power and signal cables, a power switch, a lifting pipe state button, a lower pipe state button and a forward and backward manual control button are arranged on the control box (12).
2. An oil well operation tripping pipe string automatic pulley device according to claim 1, characterized in that: the oil pipe hoop (10) matched with the automatic string tripping tackle for oil well operation comprises two hoop semi-rings (29), two hoop partition plates (30), two hoop hooks (31) and two hoop shafts (32), wherein the structure assembly relationship is as follows, the two hoop partition plates (30) are used as two metal transverse plates arranged on the upper portion and the lower portion of a pillar, the two ends of the upper transverse plate are provided with the hoop hooks (31), the lower transverse plate is provided with two shaft sleeves, each shaft sleeve connects the hoop semi-rings (29) with the shaft sleeves through pin rods, the end head of each hoop semi-ring (29) is provided with a pull-type locking buckle (2), the two sets of oil pipe hoops (10) are sleeved on an oil pipe (14) in a left-right mode, the pull-type locking buckles (2) are hung on the hoop hooks (31) and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209531.0A CN112878932A (en) | 2019-12-01 | 2019-12-01 | Automatic pulley device for lifting and lowering tubular column in oil well operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911209531.0A CN112878932A (en) | 2019-12-01 | 2019-12-01 | Automatic pulley device for lifting and lowering tubular column in oil well operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112878932A true CN112878932A (en) | 2021-06-01 |
Family
ID=76039408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911209531.0A Pending CN112878932A (en) | 2019-12-01 | 2019-12-01 | Automatic pulley device for lifting and lowering tubular column in oil well operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112878932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181249A (en) * | 2023-04-24 | 2023-05-30 | 四川宏华电气有限责任公司 | High-altitude unmanned operation device for oil field tripping pipe column and use method |
-
2019
- 2019-12-01 CN CN201911209531.0A patent/CN112878932A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181249A (en) * | 2023-04-24 | 2023-05-30 | 四川宏华电气有限责任公司 | High-altitude unmanned operation device for oil field tripping pipe column and use method |
| CN116181249B (en) * | 2023-04-24 | 2023-07-18 | 四川宏华电气有限责任公司 | High-altitude unmanned operation device for oil field tripping pipe column and use method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210601 |