CN111472700A - Automatic pipe rod screwing and unscrewing device - Google Patents
Automatic pipe rod screwing and unscrewing device Download PDFInfo
- Publication number
- CN111472700A CN111472700A CN201910069929.2A CN201910069929A CN111472700A CN 111472700 A CN111472700 A CN 111472700A CN 201910069929 A CN201910069929 A CN 201910069929A CN 111472700 A CN111472700 A CN 111472700A
- Authority
- CN
- China
- Prior art keywords
- plate
- bracket
- threading
- drive
- guide
- Prior art date
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 description 5
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping 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
- E21B19/16—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
Landscapes
- 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
An automatic pipe rod screwing and unscrewing device. The technical scheme of the invention discloses a back-up tong device which comprises a rotary bearing, a stand column, a lifting seat, a lifting drive, a telescopic arm, a bracket, a back-up tong assembly, a rotary buckle device and a telescopic drive, wherein the stand column is arranged on the lifting seat, the lifting seat is slidably arranged on the stand column, one end of the lifting drive is connected with the stand column, the other end of the lifting drive is connected with the lifting seat, the telescopic arm is rotatably arranged on the lifting seat, the bracket is rotatably arranged on the telescopic arm, the back-up tong assembly is fixed on the bracket, and two ends of the telescopic drive are respectively rotatably arranged on the lifting seat and the telescopic arm. The technical scheme of the invention effectively solves the problem that operators need to finish actions such as screwing and unscrewing by manpower, greatly reduces labor intensity, improves operation efficiency and realizes mechanized screwing and unscrewing operation.
Description
Technical Field
The invention relates to the field of petroleum well workover, in particular to an automatic pipe rod screwing and unscrewing device.
Background
Currently, in the process of oil well exploitation, the problems of pump blockage, broken oil pumping rod, severe abrasion of oil pipe and the like can occur, so that well repairing operation is needed. The sucker rod and the oil pipe in the well are required to be lifted out by the workover rig in the process, the pipe rack is placed, the problems are eliminated, and then the oil pipe is lowered into the well.
The workover operation is mostly completed manually, and 5-6 workers are needed to complete the workover operation together. The operation personnel need go to accomplish the calandria through the manpower, push away the action such as the pipe card is held to the pipe pole and is broken out on, and this process intensity of labour is big, and is efficient, has the potential safety hazard. In recent years, with the continuous progress of science and technology, a plurality of automatic workover tools such as hydraulic elevators, pipe rod conveying devices, hydraulic slips and the like are available, but the mutual operations of the tools are not consistent, and the automation degree needs to be further improved.
Accordingly, those skilled in the art have endeavored to develop a non-manual pipe stick automated make-and-break apparatus.
Disclosure of Invention
The invention aims to provide an automatic pipe rod screwing and unscrewing device which does not need to finish screwing and unscrewing actions through manpower, greatly reduces the labor intensity, improves the operation efficiency and realizes mechanized screwing and unscrewing operation.
In order to solve the technical problem, the invention provides an automatic pipe rod screwing and unscrewing device which comprises a rotary bearing, a stand column, a lifting seat, a lifting drive, a telescopic arm, a bracket, a back-up tong assembly, a screwing device and a telescopic drive, wherein the stand column is arranged on the lifting seat, the lifting seat is slidably arranged on the stand column, one end of the lifting drive is connected with the stand column, the other end of the lifting drive is connected with the lifting seat, the telescopic arm is rotatably arranged on the lifting seat, the bracket is rotatably arranged on the telescopic arm, the back-up tong assembly is fixed on the bracket, and two ends of the telescopic drive are respectively rotatably arranged on the lifting seat and the telescopic arm.
Optionally, the screwing device includes screwing tongs, a bracket, a gear shifting driver, a guide body, a guide driver and an automatic notch aligning device, the bracket is mounted on the screwing tongs, one end of the gear shifting driver is fixed on the bracket, the other end of the gear shifting driver is connected with the screwing tongs, the guide body is rotatably mounted on the bracket, two ends of the guide driver are respectively rotatably mounted on the bracket and the guide body, and the automatic notch aligning device is mounted on the bracket.
Further optionally, the guide body includes a first guide body and a second guide body, the guide drive includes a first guide drive and a second guide drive, the first guide body and the second guide body are both rotatably installed on the bracket, two ends of the first guide drive are respectively rotatably installed on the bracket and the first guide body, and two ends of the second guide drive are respectively rotatably installed on the bracket and the second guide body.
Optionally, the automatic breach device includes buckle drive, ramp, sensor, outer ring gear, hubei province grillage, guide cylinder, switching round pin, elastic component, bearing and bearing pin, the buckle drive install in the support, the ramp install in the buckle drive, the sensor is located the ramp, outer ring gear rotationally install in detain the pincers soon, hubei province grillage rotationally install in detain the pincers soon, the guide cylinder is located hubei province grillage, switch the round pin install in the guide cylinder, the elastic component install in the guide cylinder with switch between the round pin, the bearing pin install in switch on the round pin, the bearing is located on the bearing pin.
Further optionally, the elastic member is a spring.
Optionally, the back-up tong assembly includes a back-up tong, a cover plate, a buckle body, a push rod driver, a push rod and a connecting rod, the cover plate is installed on the back-up tong, the buckle body is installed on the cover plate, the push rod driver is installed on the cover plate, the push rod is installed on the push rod driver, and two ends of the connecting rod are respectively and rotatably installed on the buckle body and the push rod.
Further optionally, the buckle body includes a first buckle body, a second buckle body and a third buckle body, the connecting rod includes a first connecting rod and a second connecting rod, the first buckle body and the second buckle body are arranged on two sides of the third buckle body and rotatably mounted on the third buckle body, two ends of the first connecting rod are rotatably mounted on the first buckle body and the push rod respectively, and two ends of the second connecting rod are rotatably mounted on the second buckle body and the push rod respectively.
Optionally, the back-up tong includes casing, push pedal, back-up tong ramp plate, hubei province board, gyro wheel, back-up tong drive and connecting plate, the push pedal install in the casing, back-up tong ramp plate slidable install in on the push pedal, hubei province board slidable install in on the push pedal, gyro wheel slidable install in on the hubei province board, install in the gyro wheel slidable on the hubei province board, wherein the gyro wheel can be followed hubei province board climbing, back-up tong driven both ends are fixed in respectively the push pedal with on the casing, the connecting plate is connected the casing with the apron.
Further optionally, the back-up tong ramp plate includes first back-up tong ramp plate and second back-up tong ramp plate, the hubei province board includes first hubei province board and second hubei province board, the gyro wheel includes first gyro wheel and second gyro wheel, first back-up tong ramp plate second back-up tong ramp plate slidable symmetry install in on the push pedal, first hubei province board second hubei province board slidable symmetry install in the casing, first gyro wheel slidable install in on the first hubei province board, second gyro wheel slidable install in on the second hubei province board.
Further optionally, the automatic pipe rod screwing-unscrewing device further comprises a tooth plate, and the tooth plate is clamped on the jaw plate.
Compared with the prior art, the problems that an operator needs to finish actions such as shackle installation and the like through manpower, the labor intensity is high, the efficiency is low, and potential safety hazards exist in the process are effectively solved.
Drawings
FIG. 1 is a schematic structural view of a pipe shank break-out apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a pipe shank break-out apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an automatic notch aligning device according to an embodiment of the present invention;
FIG. 4 is a top view of an automatic notch aligning apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a back-up tong assembly of an embodiment of the present invention;
fig. 6 is a schematic structural view of a back-up tong according to an embodiment of the present invention.
Detailed Description
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Referring to fig. 1 and 2, the automatic pipe pole threading and unthreading device according to the embodiment of the present invention includes a rotary bearing 1, a stand column 2, a lifting seat 3, a telescopic arm 4, a bracket 5, a back-up tong assembly 6, a thread turning device 7, a telescopic drive 8 and a lifting drive 9, wherein the stand column 2 is installed on the lifting seat 3, the lifting seat 3 is slidably installed on the stand column 2, one end of the lifting drive 9 is hinged on the stand column 2, the other end of the lifting drive 9 is hinged on the lifting seat 3, the telescopic arm 4 is rotatably installed on the lifting seat 3, the bracket 5 is rotatably installed on the telescopic arm 4, the back-up tong assembly 6 is fixed on the bracket 5, one end of the telescopic drive 8 is rotatably installed on the lifting seat 3, and the other.
Referring to fig. 2, the spinner of the present embodiment includes a spinner 71, a bracket 72, a gear shifting driver 73, a left guide 74, a left guide driver 75, a right guide 76, a right guide driver 77, and an automatic notch aligning device 78, it should be noted that all the terms indicating orientation in the present embodiment, such as "left", "right", "front", and "back", are only used for describing preferred embodiments of the present invention by way of example, and are not intended to limit the technical solution of the present invention. The bracket 72 is mounted on the screwing clamp 71, one end of the gear shifting drive 73 is fixed on the bracket 72, the other end is connected with the screwing clamp 71, the left guide body 74 is rotatably mounted on the bracket 72, one end of the left guide drive 75 is rotatably mounted on the bracket 72, the other end is rotatably mounted on the left guide body 74, the right guide body 76 is rotatably mounted on the bracket 72, one end of the right guide drive 77 is rotatably mounted on the bracket 72, the other end is rotatably mounted on the right guide body 76, and the automatic notch aligning device 78 is mounted on the bracket 72.
Referring to fig. 3 and 4, the automatic notch aligning device 78 of the present embodiment includes an engagement drive 781, a ramp plate 782, a sensor 783, an outer ring gear 784, a jaw plate holder 789, a guide cylinder 785, a switching pin 786, a spring 787, a bearing 788, and a bearing pin 789, the engagement drive 781 is mounted on the bracket 72, the ramp plate 782 is mounted on the engagement drive 781, the sensor 783 is mounted on the ramp plate 782, the outer ring gear 784 is rotatably mounted on the wrench 71, the jaw plate holder 789 is rotatably mounted on the wrench 71, the guide cylinder 785 is mounted on the jaw plate holder 789, the switching pin 786 is mounted in the guide cylinder 785, the spring 787 is mounted between the guide cylinder 785 and the switching pin 786, the bearing pin 789 is mounted on the switching pin 786, and the bearing 788 is mounted on the bearing pin 789.
Referring to fig. 5, the back-up tong assembly 6 includes a back-up tong 61, a cover plate 62, a left buckle 63, a right buckle 64, a middle buckle 65, a left link 66, a right link 67, a push rod 68 and a push rod driver 69, the cover plate 62 is mounted on the back-up tong 61, the middle buckle 65 is mounted on the cover plate 62, the left buckle 63 and the right buckle 64 are rotatably mounted on two sides of the middle buckle 65, one end of the left link 66 is rotatably mounted on the left buckle 63, the other end is rotatably mounted on the push rod 68, one end of the right link 67 is rotatably mounted on the right buckle 64, the other end is rotatably mounted on the push rod 68, the push rod 68 is mounted on the push rod driver 69, and the push rod driver 69 is mounted.
As shown in fig. 6, the back-up tong 61 of this embodiment includes a housing 611, a push plate 612, a left back-up tong slope plate 613, a right back-up tong slope plate 614, a left jaw plate 615, a right jaw plate 616, a left roller 617, a right roller 618, a back-up tong driver 619, and a connecting plate 620, where the push plate 612 is installed in the housing 611, the left back-up tong slope plate 613 and the right back-up tong slope plate 614 are respectively slidably installed on the push plate 612, the left jaw plate 615 and the right jaw plate 616 are respectively slidably installed on the push plate 612, the left roller 617 is rotatably installed on the left jaw plate 615, the left roller 617 climbs along the left jaw plate 615, the right roller 618 is rotatably installed on the right jaw plate 616, the right roller 618 climbs along the right jaw plate 616, one end of the back-up tong driver 619 is fixed on the push plate 612, the other end is.
Further, the automatic pipe pole screwing device further comprises a left tooth plate 621 and a right tooth plate 622, the left tooth plate 621 is clamped on the left jaw plate 615, the right tooth plate 622 is clamped on the right jaw plate 616, and the tooth plates are used for clamping a pipe column.
The technical scheme of the invention is implemented as follows:
the lifting seat 3 is lifted to the highest under the action of the lifting drive 9, the back-up tong assembly 6 and the spinner 7 are pushed to the center of a wellhead by the telescopic arm 4, the left fastener body 63 and the right fastener body 64 are closed, the left guide body 74 and the right guide body 76 are closed, the back-up tong assembly 6 and the spinner 7 are lowered to the position of a tubing coupling, the back-up tong assembly 6 clamps the tubing coupling, the switching pin 786 moves upwards under the action of the spinner drive 781, and the spinner 7 starts to be unscrewed. In the process of shackle, the left shackle body 63 and the right shackle body 64 are in a closed state, so that the mixed liquid in the oil pipe can be prevented from being sprayed everywhere. After the upper shackle is finished, the notch is automatically aligned, and the shackle device on the pipe rod is reset.
While specific embodiments of the present invention have been described in detail above, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an automatic device of breaking out of going up of tubular pole which characterized in that, includes slewing bearing, stand, lift seat, lift drive, flexible arm, bracket, back-up tong assembly, spinner and flexible drive, the stand install in on the lift seat, lift seat slidable install in on the stand, lift drive one end with the stand links to each other, and the other end with the lift seat links to each other, flexible arm rotationally install in on the lift seat, the bracket rotationally install in on the flexible arm, the back-up tong assembly is fixed in on the bracket, flexible driven both ends rotationally install respectively in the lift seat with on the flexible arm.
2. The automatic pipe pole threading and tripping apparatus of claim 1, wherein the threading apparatus comprises threading tongs, a bracket, a shifting driver, a guiding body, a guiding driver and an automatic notch aligning apparatus, the bracket is mounted on the threading tongs, one end of the shifting driver is fixed on the bracket, the other end of the shifting driver is connected with the threading tongs, the guiding body is rotatably mounted on the bracket, two ends of the guiding driver are respectively rotatably mounted on the bracket and the guiding body, and the automatic notch aligning apparatus is mounted on the bracket.
3. The automatic pipe stick threading and tripping apparatus of claim 2, wherein the guide body comprises a first guide body and a second guide body, the guide drive comprises a first guide drive and a second guide drive, the first guide body and the second guide body are both rotatably mounted on the bracket, both ends of the first guide drive are rotatably mounted on the bracket and the first guide body, respectively, and both ends of the second guide drive are rotatably mounted on the bracket and the second guide body, respectively.
4. The automatic pipe pole threading and unthreading device of claim 2, wherein the automatic threading and unthreading device comprises a threading drive, a slope plate, a sensor, an outer gear ring, a jaw plate frame, a guide cylinder, a switching pin, an elastic part, a bearing and a bearing pin, wherein the threading drive is installed on the support, the slope plate is installed on the threading drive, the sensor is arranged on the slope plate, the outer gear ring is rotatably installed on the threading clamp, the jaw plate frame is rotatably installed on the threading clamp, the guide cylinder is arranged on the jaw plate frame, the switching pin is installed in the guide cylinder, the elastic part is installed between the guide cylinder and the switching pin, the bearing pin is installed on the switching pin, and the bearing is arranged on the bearing pin.
5. The automatic pipe pole break-out apparatus of claim 4, wherein the resilient member is a spring.
6. The automatic pipe pole threading and unthreading device of claim 1, wherein the back clamp assembly comprises a back clamp, a cover plate, a buckle body, a push rod driver, a push rod and a connecting rod, wherein the cover plate is mounted on the back clamp, the buckle body is mounted on the cover plate, the push rod driver is mounted on the cover plate, the push rod is mounted on the push rod driver, and two ends of the connecting rod are respectively rotatably mounted on the buckle body and the push rod.
7. The automatic pipe pole threading and unthreading device of claim 6, wherein the buckle body comprises a first buckle body, a second buckle body and a third buckle body, the connecting rod comprises a first connecting rod and a second connecting rod, the first buckle body and the second buckle body are arranged on two sides of the third buckle body and rotatably mounted on the third buckle body, two ends of the first connecting rod are rotatably mounted on the first buckle body and the push rod respectively, and two ends of the second connecting rod are rotatably mounted on the second buckle body and the push rod respectively.
8. The automatic pipe pole threading and unthreading device of claim 6, wherein the back-up wrench comprises a housing, a push plate, a back-up wrench slope plate, a jaw plate, a roller, a back-up wrench driver and a connecting plate, wherein the push plate is installed in the housing, the back-up wrench slope plate is slidably installed on the push plate, the jaw plate is slidably installed on the push plate, the roller is slidably installed on the jaw plate, the roller can climb along the jaw plate, two ends of the back-up wrench driver are respectively fixed on the push plate and the housing, and the connecting plate connects the housing and the cover plate.
9. The automatic pipe break-in device of claim 8, wherein the back-up wrench slope plate comprises a first back-up wrench slope plate and a second back-up wrench slope plate, the jaw plate comprises a first jaw plate and a second jaw plate, the roller comprises a first roller and a second roller, the first back-up wrench slope plate and the second back-up wrench slope plate are symmetrically slidably mounted on the push plate, the first jaw plate and the second jaw plate are symmetrically slidably mounted in the housing, the first roller is slidably mounted on the first jaw plate, and the second roller is slidably mounted on the second jaw plate.
10. The automatic pipe threading and unthreading apparatus of claim 8 further comprising a jaw plate, wherein the jaw plate is engaged with the jaw plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069929.2A CN111472700B (en) | 2019-01-24 | 2019-01-24 | Automatic pipe rod screwing-in and unscrewing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069929.2A CN111472700B (en) | 2019-01-24 | 2019-01-24 | Automatic pipe rod screwing-in and unscrewing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111472700A true CN111472700A (en) | 2020-07-31 |
| CN111472700B CN111472700B (en) | 2023-09-26 |
Family
ID=71743633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069929.2A Active CN111472700B (en) | 2019-01-24 | 2019-01-24 | Automatic pipe rod screwing-in and unscrewing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111472700B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143673Y (en) * | 1992-09-28 | 1993-10-13 | 建湖县矿山石油机械厂 | Inner curved roller slope climbing fastening hydraulic pliers |
| CN201258704Y (en) * | 2008-05-06 | 2009-06-17 | 四川宏华石油设备有限公司 | Multifunction power tongs screw fastening device |
| CN201276994Y (en) * | 2008-05-06 | 2009-07-22 | 四川宏华石油设备有限公司 | Novel multifunctional power pliers |
| CN201288521Y (en) * | 2008-08-29 | 2009-08-12 | 濮阳市中原锐实达石油设备有限公司 | Iron driller |
| CN102191923A (en) * | 2011-04-13 | 2011-09-21 | 东北石油大学 | Long-distance control wellhead operation device for workover operation |
| CN206928918U (en) * | 2017-06-28 | 2018-01-26 | 江苏如通石油机械股份有限公司 | Shackle device in tube rod |
| CN109138868A (en) * | 2017-06-28 | 2019-01-04 | 江苏如通石油机械股份有限公司 | Light maintenance well head automatic operation device |
| WO2020087508A1 (en) * | 2018-11-02 | 2020-05-07 | 江苏如通石油机械股份有限公司 | Automatic fastening/unfastening device for pipe rod |
-
2019
- 2019-01-24 CN CN201910069929.2A patent/CN111472700B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2143673Y (en) * | 1992-09-28 | 1993-10-13 | 建湖县矿山石油机械厂 | Inner curved roller slope climbing fastening hydraulic pliers |
| CN201258704Y (en) * | 2008-05-06 | 2009-06-17 | 四川宏华石油设备有限公司 | Multifunction power tongs screw fastening device |
| CN201276994Y (en) * | 2008-05-06 | 2009-07-22 | 四川宏华石油设备有限公司 | Novel multifunctional power pliers |
| CN201288521Y (en) * | 2008-08-29 | 2009-08-12 | 濮阳市中原锐实达石油设备有限公司 | Iron driller |
| CN102191923A (en) * | 2011-04-13 | 2011-09-21 | 东北石油大学 | Long-distance control wellhead operation device for workover operation |
| CN206928918U (en) * | 2017-06-28 | 2018-01-26 | 江苏如通石油机械股份有限公司 | Shackle device in tube rod |
| CN109138868A (en) * | 2017-06-28 | 2019-01-04 | 江苏如通石油机械股份有限公司 | Light maintenance well head automatic operation device |
| WO2020087508A1 (en) * | 2018-11-02 | 2020-05-07 | 江苏如通石油机械股份有限公司 | Automatic fastening/unfastening device for pipe rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111472700B (en) | 2023-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5711382A (en) | Automated oil rig servicing system | |
| CN104120986B (en) | Vehicular fully automatic hydraulic tubing tongs device | |
| CN111911097A (en) | Automatic operation system and operation method for oilfield major workover operation | |
| CN112983303B (en) | Integrated sucker rod automatic slip and operation process | |
| CN206360662U (en) | The multi-functional tube drawbench of marine drilling platform | |
| CN111472697A (en) | Automatic operation device for minor workover | |
| CN110685619A (en) | Automatic hydraulic pliers with punching and buckling functions | |
| CN210768653U (en) | Automatic hydraulic pliers with punching and buckling functions | |
| CN203603787U (en) | Well mouth automation system for well workover | |
| CN111472700A (en) | Automatic pipe rod screwing and unscrewing device | |
| CN105937371A (en) | Workover operation integrated equipment and string disassembling and assembling device thereof | |
| CN205591852U (en) | Anvil worker deflection mechanism | |
| CN203081472U (en) | Device for installing anchoring agent in anchor drill hole | |
| CN109138868A (en) | Light maintenance well head automatic operation device | |
| CN205225116U (en) | Full -automatic iron roughneck | |
| CN111472699A (en) | Back-up tong | |
| CN109138896B (en) | Well repairing equipment | |
| CN105863706A (en) | Circulating type forepoling moving device driven by monorail crane | |
| WO2020087508A1 (en) | Automatic fastening/unfastening device for pipe rod | |
| CN113153178B (en) | Underground operation platform | |
| CN210147418U (en) | Pressure test dismounting device for downhole tool | |
| CN114320191A (en) | Device for tripping on wellhead pipe column for snubbing operation | |
| CN204827281U (en) | Non - excavation rig centre gripping, loading and unloading drilling rod device | |
| CN204804722U (en) | Novel drilling rod power tong | |
| CN114370241A (en) | Vehicle-mounted full-hydraulic workover rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |