CN207131352U - The oil drilling tools delivery hydraulic pressure ramp of dual-support structure - Google Patents
The oil drilling tools delivery hydraulic pressure ramp of dual-support structure Download PDFInfo
- Publication number
- CN207131352U CN207131352U CN201720017378.1U CN201720017378U CN207131352U CN 207131352 U CN207131352 U CN 207131352U CN 201720017378 U CN201720017378 U CN 201720017378U CN 207131352 U CN207131352 U CN 207131352U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- lifting
- hinged
- pipe
- connecting rod
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The oil drilling tools delivery hydraulic pressure ramp of dual-support structure.Provide it is a kind of operate steadily, vibration noise is small, the oil drilling tools delivery hydraulic pressure ramp of safe and reliable dual-support structure.Including framework, the both sides of the framework are arranged with upset component, and centre is provided with the Yan framves connected by lifting assembly, and the Yan framves are provided with defeated pipe car.The upset component includes lifting hydraulic cylinder, telescopic hydraulic cylinder, telescopic arm and sleeve pipe, described sleeve pipe is hinged on the top of framework, the lifting hydraulic cylinder is located at the lower section of sleeve pipe, the piston rod of the lifting hydraulic cylinder is hinged on sleeve pipe, cylinder body is hinged on framework, the cylinder body of the telescopic hydraulic cylinder is located at the side of sleeve pipe, the piston rod connection telescopic arm of the telescopic hydraulic cylinder, the telescopic arm are located in the endoporus of sleeve pipe, and the telescopic arm is L-shaped.The utility model facilitates wellbore construction, and safe operation is reliable, saves wellbore construction manpower.
Description
Technical field
It the utility model is related to oil drilling machine field, especially drilling tool（Drilling rod, oil pipe, sleeve pipe etc.）Upper and lower drilling well is put down
The conveying machinery of platform.
Background technology
The device of rig floor is hydraulic pressure ramp and pipe pick up and lay down system, or abbreviation dynamic catwalk above and below petroleum drilling well site drilling tool.
Foreign countries have started to the research of dynamic catwalk in the sixties in last century, initially have developed programmable pipe processing system, first
Applied to marine drilling platform.Marine drilling platform working space is small, and operating personnel are few, and equipment is not required to often dismount, but automatically
Change and require high.Therefore, it may be programmed pipe processing system and achieve significant effect applied to marine drilling platform.
With the development of science and technology, it is external in order to the requirement for expanding market He meeting different clients, the beginning of this century
Begin one's study drilling rod up and down rig floor and discharge automation cat road of the exploitation suitable for land oil drilling platforms, and species,
Diversification is also begun in model.By the development of many decades, China's drilling rig technique is horizontal to have important breakthrough, and product quality is steady
Improve, the areas such as America and Europe, the Middle East, the former Soviet Union and Asia and Africa are also exported in batch in addition to meeting domestic petroleum probing needs, but
Matched oil-well rig auxiliary equipment such as drilling tool conveying device etc. is due to research starting evening, and China's rig is in drilling well at present
Cheng Zhong, drilling rod down through two compressed air hoists being arranged on cat road, with worker's manual operations（Hanging for drilling rod is blocked in assembly and disassembly
Card）Compressed air hoist on cat road is coordinated to be carried out by the way of drawing, drag.The operating personnel that the mode of rig floor needs above and below this drilling rod
It is more, efficiency is low, labor strength is big, security is poor, drill pipe wear is serious.
Recent year minority petroleum machinery manufacturer starts to develop drilling rod automatic transport dynamic catwalk, but major part is all
It is imitated foreign technology and belongs to low grade products, such as steel wire rope pull dynamic catwalk, simple lifting type dynamic catwalk, with foreign countries
Like product is big compared to low automaticity, the vibration in running Zhong Mao roads and noise is deposited, and operation is unstable, equipment is reliable
Property difference the shortcomings of, it is difficult to enter batch production and engineering application, it is unbecoming with the overall technology level of rig so that China's stone
The complete set ratio of oily drilling equipment is low, it is impossible to meets the needs of high-end market in the world, it is difficult to business is won in competition in the international market
Machine.It is particularly Russian, it is desirable to rig whole supporting drilling tool automatic transport cat road.
On the other hand, some oil drilling enterprises of recent year such as sinopec, CNPC, CNOOC etc. has oil
The enterprise of probing ability plays an active part in the bid of international oil field prospecting business.And international bidding side is protected from safety, duration, work
Shield etc. considers, it is desirable to tenderer must possess the construction equipments such as drilling rod automatic transport harness, and as bid qualification not
Can or scarce necessary requirement, there is a requirement that under, Chinese Enterprise is had to the drilling tool automatic transport hydraulic pressure ramp for buying expensive foreign,
Or overseas equipment is leased with high cost.
Utility model content
The utility model is directed to problem above, there is provided it is a kind of operate steadily, the dual-gripper that vibration noise is small, safe and reliable
The oil drilling tools delivery hydraulic pressure ramp of structure.
The technical solution of the utility model is：Including framework, the both sides of the framework are arranged with upset component, and centre is set
There are the Yan framves connected by lifting assembly, the Yan framves are provided with defeated pipe car.
The upset component includes lifting hydraulic cylinder, telescopic hydraulic cylinder, telescopic arm and sleeve pipe, and described sleeve pipe is hinged on framework
Top, the lifting hydraulic cylinder is located at the lower section of sleeve pipe, and the piston rod of the lifting hydraulic cylinder is hinged on sleeve pipe, cylinder body hinge
It is connected on framework, the cylinder body of the telescopic hydraulic cylinder is located at the side of sleeve pipe, and the piston rod connection of the telescopic hydraulic cylinder is flexible
Arm, the telescopic arm are located in the endoporus of sleeve pipe, and the telescopic arm is L-shaped.
The lifting assembly includes lifting connecting rod one, lifting connecting rod two, lifting connecting rod three, lifting hydraulic cylinder one and lifting liquid
Cylinder pressure two, the lifting connecting rod one and lifting hydraulic cylinder one form lifting group one, the lifting connecting rod two, lift connecting rod three and carry
Rise hydraulic cylinder two and form lifting group two, the lifting group one and lifting group two are located at the both ends of framework respectively；
The both ends of the lifting connecting rod one are respectively hinged on framework and Yan framves, and the cylinder body of the lifting hydraulic cylinder one is hinged
On framework, piston rod be hinged on lifting connecting rod one on；
The bottom of the lifting connecting rod two is hinged on framework, the bottom of the be hinged lifting connecting rod three in top, and the lifting connects
The top of bar three is hinged on Yan framves, and the cylinder body of the lifting hydraulic cylinder two is hinged in framework, piston rod is hinged on lifting and connected
On bar three.
The bottom of the defeated pipe car is provided with a drive roller group and some roller groups, and the both sides of the Yan framves have U-lag,
Drive roller group and the distribution of some roller groups are located in the U-lag of Yan framves, and the drive roller group is included with double output shaft
Hydraulic motor and a pair roller, the pair roller of fluid motor-driven one；
The top of the defeated pipe car is provided with tube seat.
Also include ejector sleeve hydraulic cylinder, the ejector sleeve hydraulic cylinder is located at one end of defeated pipe car, the piston of the ejector sleeve hydraulic cylinder
Bar is towards tube seat.
Also include some groups it is symmetrically arranged turn over pipe hydraulic cylinder, the tube seat is located on turnover panel, and the turnover panel passes through some
Group is turned over pipe hydraulic cylinder and is connected on defeated pipe car, and the tube seat is turned among pipe hydraulic cylinder positioned at symmetrically arranged, described to turn over pipe hydraulic pressure
The cylinder body of cylinder is hinged on defeated pipe car, piston rod is hinged on turnover panel.
The utility model is in defeated pipe work upwards, and switching mechanism acts when taking pipe：The piston rod of telescopic hydraulic cylinder stretches out,
Telescopic arm is driven to be stretched out along sleeve pipe longitudinal sliding motion, the piston rod of lifting hydraulic cylinder jacks up sleeve pipe upwards, and telescopic arm is from pipe rack
Take drilling rod and continue to raise, drilling rod along flexible arm roll,
Meanwhile one turned in pairs in pipe hydraulic cylinder turns over the piston rod stretching of pipe hydraulic cylinder, another piston for turning over pipe hydraulic cylinder
Bar, which is shunk, tilts turnover panel, and drilling rod is rolled into tube seat along inclined plane, and completion takes pipe；
Lifting assembly acts during lifting：Lifting hydraulic cylinder one and lifting hydraulic cylinder two are by lifting connecting rod one, lifting connecting rod
Two and lifting connecting rod three by Yan frame liftings；
During defeated pipe：Hydraulic motor works, and defeated pipe car moves upwards along Yan framves, reaches the piston of ejector sleeve hydraulic cylinder after top dead centre
Bar, which stretches out, ejects drilling rod along tube seat.Then, the manipulator on rig clamps drilling rod one end and takes drilling rod away, completes defeated pipe upwards
One stroke.
The utility model facilitates wellbore construction, and safe operation is reliable, saves wellbore construction manpower.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is Fig. 1 top view,
Fig. 3 is Fig. 1 left view,
Fig. 4 is the operating state of lifting assembly,
Fig. 5 is the rotation amplification view in A-A faces in Fig. 4；
1 is hydraulic station in figure, and 2 be framework, and 3 be lifting hydraulic cylinder, and 4 be telescopic hydraulic cylinder, and 5 be telescopic arm, and 6 be sleeve pipe, 7
It is defeated pipe car, 8 be tube seat, and 9 be to turn over pipe hydraulic cylinder one, and 10 be to turn over pipe hydraulic cylinder two, and 11 be ejector sleeve hydraulic cylinder, and 12 be lifting hydraulic pressure
Cylinder one, 13 be lifting connecting rod one, and 14 be lifting connecting rod two, and 15 be lifting hydraulic cylinder two, and 16 be lifting connecting rod three, and 17 be hydraulic pressure horse
Reach, 18 be Yan framves, and 19 be roller, and 20 be turnover panel, and 21 be drilling rod.
Embodiment
As Figure 1-5, including framework 2, the both sides of the framework are arranged with upset component to the utility model, and centre is set
There are the Yan framves 18 connected by lifting assembly, the Yan framves are provided with defeated pipe car 7.
The upset component includes lifting hydraulic cylinder 3, telescopic hydraulic cylinder 4, telescopic arm 5 and sleeve pipe 6, and described sleeve pipe 6 is be hinged
On the top of framework 2, the lifting hydraulic cylinder 3 is located at the lower section of sleeve pipe, and the piston rod of the lifting hydraulic cylinder 3 is hinged on sleeve pipe
Upper, cylinder body is hinged on framework, and the cylinder body of the telescopic hydraulic cylinder 4 is located at the side of sleeve pipe, the piston of the telescopic hydraulic cylinder
Bar connects telescopic arm 5, and the telescopic arm is located in the endoporus of sleeve pipe, and the telescopic arm is L-shaped.
Overturn component at work, the scalable action of telescopic arm, telescopic arm is L-shaped, forms drag hook and is easy to hook drilling tool（Such as
Drilling rod 21）, acted, be easy to drilling tool reliable delivery to tube seat, operation is reliable by sleeve rotating.
The lifting assembly includes lifting connecting rod 1, lifting connecting rod 2 14, lifting connecting rod 3 16, lifting hydraulic cylinder 1
With lifting hydraulic cylinder 2 15, the lifting connecting rod 1 and lifting hydraulic cylinder 1 form lifting group one, the lifting connecting rod two
14th, lift connecting rod 3 16 and lifting hydraulic cylinder 2 15 forms lifting group two, the lifting group one and lifting group two are located at frame respectively
The both ends of frame；
The both ends of the lifting connecting rod one are respectively hinged on framework and Yan framves, and the cylinder body of the lifting hydraulic cylinder one is hinged
On framework, piston rod be hinged on lifting connecting rod one on；
The bottom of the lifting connecting rod two is hinged on framework, the bottom of the be hinged lifting connecting rod three in top, and the lifting connects
The top of bar three is hinged on Yan framves, and the cylinder body of the lifting hydraulic cylinder two is hinged in framework, piston rod is hinged on lifting and connected
On bar three.
At work, lifting group one and lifting group two form different height to lifting assembly so that and Yan framves are inclined,
It is easy to defeated pipe formation ramp upwards.During conventional sense, Yan frame keep level states, lifting hydraulic cylinder one and the work of lifting hydraulic cylinder two
When making, Yan framves are inclined.
The bottom of the defeated pipe car 7 is provided with a drive roller group and some roller groups, and the both sides of the Yan framves 18 have U-shaped
Groove, drive roller group and the distribution of some roller groups are located in the U-lag of Yan framves, and the drive roller group includes having double output shaft
The pair roller 19 of hydraulic motor 17 and one, the pair roller of fluid motor-driven one；
The top of the defeated pipe car is provided with tube seat 8.
Roller group includes the support to take the shape of the letter U, and the both ends of support set roller, and roller is located at the both ends of U-lag, support connection
Defeated pipe car；Hydraulic motor in drive roller group is connected on defeated pipe car, and a pair roller is located at the both ends of U-lag.
Also include ejector sleeve hydraulic cylinder 11, the ejector sleeve hydraulic cylinder is located at one end of defeated pipe car, the work of the ejector sleeve hydraulic cylinder
Stopper rod is easy to release the drilling tool in tube seat, is easy to the operations such as follow-up gripping towards tube seat.
Also include some groups and symmetrically arranged turn over pipe hydraulic cylinder（Turn over pipe hydraulic cylinder 1 and turn over pipe hydraulic cylinder 2 10）, institute
State tube seat 8 to be located on turnover panel 20, the turnover panel 20 turns over pipe hydraulic cylinder by some groups and is connected on defeated pipe car, and the tube seat is located at
Symmetrically arranged to turn among pipe hydraulic cylinder, the cylinder body for turning over pipe hydraulic cylinder is hinged on defeated pipe car, piston rod is hinged on turnover panel
On.
What is be arranged in pairs turns over pipe hydraulic cylinder so that turnover panel is overturn, and coordinates sleeve pipe spinning movement so that drilling tool reliably enters
Enter in tube seat or the drilling tool in tube seat is delivered on telescopic arm, improve reliability.
In work, the middle part of framework 2 is provided with hydraulic station 1, provides power for the work of equipment, while increase the steady of equipment
It is qualitative；The top both sides of framework are hinged with sleeve pipe 6, and sleeve pipe 6 can rotate upwardly and downwardly around pin joint, and the endoporus of sleeve pipe 6 is mounted with to stretch
Arm, the cylinder body of telescopic hydraulic cylinder 4 are fixed on the side of sleeve pipe 6, and piston rod is fixed on telescopic arm, and telescopic arm 5 can be vertical along sleeve pipe 6
To slip；The piston rod of the lower hinge lifting hydraulic cylinder 3 of sleeve pipe, the cylinder body of lifting hydraulic cylinder are hinged on framework；
Lift that the both ends of connecting rod 1 are be hinged with framework 13, Yan framves 18 respectively, lifted the both ends of connecting rod 3 16 respectively with Yan
One end of frame 18 and lifting connecting rod 2 14 is hinged, and lifts the other end and frame articulation of connecting rod 2 14；
The cylinder body of lifting hydraulic cylinder 1 is hinged with framework 2, piston rod and lifting connecting rod 1 are be hinged；Lifting hydraulic cylinder two
15 cylinder body is hinged with framework 2, piston rod and lifting connecting rod 3 16 are be hinged；
The bottom of defeated pipe car 7 is equipped with some roller groups, guide groove of the roller group in Yan framves 18（That is U-lag）Interior edge guide rail moves
Power, drive roller group provide power for the motion of defeated pipe car；The top of defeated pipe car 7 by some groups be arranged in pairs turn over pipe hydraulic pressure
Cylinder（Turn over pipe hydraulic cylinder 1 and turn over pipe hydraulic cylinder 2 10）Turnover panel 20 is connected to, pipe hydraulic cylinder 1 is turned over and turns over pipe hydraulic cylinder 2 10
Cylinder body and defeated pipe car 7 be hinged, piston rod and turnover panel 20 are be hinged；The afterbody of defeated pipe car 7 is equipped with ejector sleeve hydraulic cylinder 11.
Method of work of the present utility model is：
First, upward defeated pipe：
Take pipe：The piston rod of telescopic hydraulic cylinder 4 stretches out, and drives telescopic arm 5 to be stretched out along the longitudinal sliding motion of sleeve pipe 6, raise-lower hydraulic
The piston rod of cylinder 3 jacks up sleeve pipe 6 upwards, and telescopic arm 5 takes drilling rod from pipe rack and continues to raise, and drilling rod rolls along telescopic arm 5
Onto tube seat 8, the piston rod that the piston rod that turns over pipe hydraulic cylinder 1 stretches out, turned over pipe hydraulic cylinder 2 10 shrinks and tilts turnover panel, drilling rod
Rolled into along inclined plane in tube seat 8, completion takes pipe；
Lifting：Lifting hydraulic cylinder 1 and lifting hydraulic cylinder 2 15 are by lifting connecting rod 1, lifting connecting rod 2 14 and carrying
Connecting rod 3 16 is risen by the lifting of Yan framves 18；
Defeated pipe：Hydraulic motor 17 works, and defeated pipe car 7 moves upwards along Yan framves 18, reaches ejector sleeve hydraulic cylinder 11 after top dead centre
Piston rod stretch out drilling rod is ejected along tube seat 8.Now the manipulator on rig clamps drilling rod one end and takes drilling rod away, complete to
Upper defeated one stroke of pipe.
2nd, to downpipe：
Adapter：The piston rod of ejector sleeve hydraulic cylinder 11 stretches out, and the manipulator on rig delivers to tube seat 8, and drilling rod glides along tube seat 8
To the piston rod top dead center position of ejector sleeve hydraulic cylinder 11, the piston rod of ejector sleeve hydraulic cylinder 11 is retracted, and drilling rod entirely falls in tube seat 8
In groove；
Fortune pipe downwards：Hydraulic motor 17 works, and defeated pipe car 7 moves downward along Yan framves 18, returns to the initial bit with Yan framves 18
Put；Lifting hydraulic cylinder 1 and lifting hydraulic cylinder 2 15 are by lifting connecting rod 1, lifting connecting rod 2 14 and lifting connecting rod 3 16
Yan framves 18 are laid flat, completed to downpipe；
Unload pipe：The piston rod stretching for turning over pipe hydraulic cylinder 2 10, the piston rod for turning over pipe hydraulic cylinder 1, which are shunk, tilts turnover panel,
Drilling rod is rolled on telescopic arm 5 and blocked by the hook of the end of telescopic arm 5；The piston rod of lifting hydraulic cylinder 3, which is shunk downwards, puts drilling rod
Onto pipe rack；The piston rod of lifting hydraulic cylinder 3 continues retraction downwards, when the hook of the end of telescopic arm 5 is less than drilling rod bottom, stretches
The piston rod of contracting hydraulic cylinder 4 shrinks, and drives telescopic arm 5 to be retracted along the longitudinal sliding motion of sleeve pipe 6, completes once to downpipe stroke.
The utility model integrates automatic pipe taking, conveys, unloads pipe, and intelligence degree is high, and transporting velocity is fast, each up and down
The stroke about 50-80 seconds（During 10 meters of hoisting depth）, save a large amount of manpowers；Whole power provide by hydraulic station, and operating steadily can
Lean on, noise with small vibration is low, safe；Simple and compact for structure, low cost, operation and maintenance cost is small.
Claims (6)
1. the oil drilling tools delivery hydraulic pressure ramp of dual-support structure, it is characterised in that including framework, the both sides of the framework are symmetrical
Provided with upset component, centre is provided with the Yan framves connected by lifting assembly, and the Yan framves are provided with defeated pipe car.
2. the oil drilling tools delivery hydraulic pressure ramp of dual-support structure according to claim 1, it is characterised in that the upset
Component includes lifting hydraulic cylinder, telescopic hydraulic cylinder, telescopic arm and sleeve pipe, and described sleeve pipe is hinged on the top of framework, the lifting
Hydraulic cylinder is located at the lower section of sleeve pipe, and the piston rod of the lifting hydraulic cylinder is hinged on sleeve pipe, cylinder body is hinged on framework, described
The cylinder body of telescopic hydraulic cylinder is located at the side of sleeve pipe, the piston rod connection telescopic arm of the telescopic hydraulic cylinder, the telescopic arm position
In in the endoporus of sleeve pipe, the telescopic arm is L-shaped.
3. the oil drilling tools delivery hydraulic pressure ramp of dual-support structure according to claim 2, it is characterised in that the lifting
Component includes lifting connecting rod one, lifting connecting rod two, lifting connecting rod three, lifting hydraulic cylinder one and lifting hydraulic cylinder two, the lifting
Connecting rod one and lifting hydraulic cylinder one form lifting group one, and lifting connecting rod two, lifting connecting rod three and the lifting hydraulic cylinder two are formed
Lifting group two, the lifting group one and lifting group two are located at the both ends of framework respectively；
The both ends of the lifting connecting rod one are respectively hinged on framework and Yan framves, and the cylinder body of the lifting hydraulic cylinder one is hinged on frame
On frame, piston rod be hinged on lifting connecting rod one on；
The bottom of the lifting connecting rod two is hinged on framework, the bottom of the be hinged lifting connecting rod three in top, the lifting connecting rod three
Top be hinged on Yan framves, the cylinder body of the lifting hydraulic cylinder two is hinged in framework, piston rod is hinged on lifting connecting rod three
On.
4. according to the oil drilling tools delivery hydraulic pressure ramp of any described dual-support structure in claim 1-3, it is characterised in that
The bottom of the defeated pipe car is provided with a drive roller group and some roller groups, and the both sides of the Yan framves have U-lag, drive roller
Group and the distribution of some roller groups are located in the U-lag of Yan framves, and the drive roller group includes the hydraulic motor with double output shaft
With a pair roller, the pair roller of fluid motor-driven one；
The top of the defeated pipe car is provided with tube seat.
5. the oil drilling tools delivery hydraulic pressure ramp of dual-support structure according to claim 4, it is characterised in that also include pushing away
Pipe hydraulic cylinder, the ejector sleeve hydraulic cylinder are located at one end of defeated pipe car, and the piston rod of the ejector sleeve hydraulic cylinder is towards tube seat.
6. the oil drilling tools delivery hydraulic pressure ramp of dual-support structure according to claim 5, it is characterised in that if also including
Dry group is symmetrically arranged to turn over pipe hydraulic cylinder, and the tube seat is located on turnover panel, and the turnover panel turns over pipe hydraulic cylinder by some groups and connected
On defeated pipe car, the tube seat is turned among pipe hydraulic cylinder positioned at symmetrically arranged, and the cylinder body for turning over pipe hydraulic cylinder is hinged on defeated
On pipe car, piston rod is hinged on turnover panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017378.1U CN207131352U (en) | 2017-01-06 | 2017-01-06 | The oil drilling tools delivery hydraulic pressure ramp of dual-support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017378.1U CN207131352U (en) | 2017-01-06 | 2017-01-06 | The oil drilling tools delivery hydraulic pressure ramp of dual-support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131352U true CN207131352U (en) | 2018-03-23 |
Family
ID=61629916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017378.1U Expired - Fee Related CN207131352U (en) | 2017-01-06 | 2017-01-06 | The oil drilling tools delivery hydraulic pressure ramp of dual-support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131352U (en) |
-
2017
- 2017-01-06 CN CN201720017378.1U patent/CN207131352U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103696710B (en) | Aboveground working string conveying device | |
| CN111535758A (en) | Automatic processing method for 2-single-1-upright-column drilling machine tubular column | |
| CN106639921A (en) | Automatic tube and rod conveyor | |
| CN205743770U (en) | A kind of collapsible dynamic catwalk device | |
| CN105417027B (en) | A kind of conveying device | |
| CN106368629A (en) | Automatic device for workover treatment | |
| CN107298388A (en) | Bridge crane with suspender maintenance rig | |
| CN105201426B (en) | A kind of tube rod conveyer with high conveying stroke | |
| CN206530306U (en) | Walking dolly formula oil drilling tools conveying device | |
| CN106555557B (en) | A kind of walking dolly formula oil drilling tools conveying device and its working method | |
| CN106522860B (en) | A kind of hydraulic catwalk ejector sleeve driving mechanism | |
| CN202926250U (en) | Elevator opening and closing device for mechanical remedial work well site rod and pipe lifting | |
| CN206360665U (en) | Turn round the oil drilling tools delivery hydraulic pressure ramp of jacking type list supporting construction | |
| CN206530305U (en) | Horizontal hoisting type oil drilling tools delivery hydraulic pressure device | |
| CN207131352U (en) | The oil drilling tools delivery hydraulic pressure ramp of dual-support structure | |
| CN105970981B (en) | A kind of side slope construction hoistable platform and its construction method | |
| CN106555556A (en) | A kind of horizontal hoisting type oil drilling tools delivery hydraulic pressure device and its method of work | |
| US9243461B1 (en) | Catwalk mechanism and method for installing tubulars on a drill string | |
| CN115613978A (en) | Vehicle-mounted workover rig vertical box type automatic minor repair operation integrated equipment and operation process | |
| CN106276624A (en) | A kind of mobilecrane with walking dolly and hoisting gear | |
| CN205225102U (en) | Automatic workover machine of skid -mounted formula | |
| CN110668332A (en) | High stability cantilever crane for building | |
| CN106639925A (en) | Double-support-structure petroleum drilling tool delivery hydraulic ramp and working method thereof | |
| CN208803863U (en) | A kind of coal mine hydraulic supporting tuning recyclable device | |
| CN106522861A (en) | Oil drilling tool conveying hydraulic ramp of rotary jacking type single-support structure and working method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20220106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |