CN106639927A - Iron roughneck for oil well workover - Google Patents
Iron roughneck for oil well workover Download PDFInfo
- Publication number
- CN106639927A CN106639927A CN201611030335.3A CN201611030335A CN106639927A CN 106639927 A CN106639927 A CN 106639927A CN 201611030335 A CN201611030335 A CN 201611030335A CN 106639927 A CN106639927 A CN 106639927A
- Authority
- CN
- China
- Prior art keywords
- assembly
- well workover
- iron driller
- expansion link
- petroleum well
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 62
- 239000003129 oil well Substances 0.000 title abstract 2
- 239000003208 petroleum Substances 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
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)
Abstract
The invention provides an iron roughneck for petroleum well workover, which relates to auxiliary equipment in petroleum well workover and comprises a hydraulic tong assembly, a swinging delivery assembly and a clamping mechanism for supporting the swinging delivery assembly, wherein the clamping mechanism is provided with a clamping body, the clamping body is a Y-shaped plate and comprises two fixed ends and a mounting end, the upper surface of each fixed end is provided with an upward protruding positioning column, the upper surface of the middle part of the clamping body is also provided with a locking device for locking the clamping body to a wellhead flange, the mounting end is provided with the swinging delivery assembly, and the hydraulic tong assembly is arranged on the swinging delivery assembly. The invention aims to provide an iron roughneck for oil well repair, which can be integrally clamped on a wellhead flange and further applied to well repair operation without a drilling platform.
Description
Technical field
The present invention relates to the auxiliary equipment in petroleum well workover, more particularly to a kind of petroleum well workover iron driller.
Background technology
Iron driller comes from field of oil drilling, and it is to be used on drilling unload one kind half of tubing string screw thread in well system
Automation Pilot Operational Equipment, can complete the spinner connection work of the drilling tools such as drilling rod, sleeve pipe, be current state-of-the-art moment of torsion spinner
Equipment.Iron roughneck main will be made up of human assistance device and hydraulic tongs, because part manual operation can partly be replaced, be mitigated
Labor strength, is referred to as iron driller.
Iron driller changes the operation principle of traditional tong, is a kind of multi-functional, safe and efficient drilling tool spinner equipment.
Iron driller is by upper button, shackle and links closely, rush button work and be divided into two parts and complete, and front end caliper is divided into spinner assembly and rushes buckle device
Upper and lower two parts, simplify button, the shackle course of work, and the clamping range that open jaw design expands increased maximum
Output torque, can complete the connection needs of the Large Diameter Pipeline drilling tool such as sleeve pipe, drilling rod, downhole tool, and operation facility, action is simply fast
It is prompt.At present, iron driller has been widely used in the drillng operation on land, the various drilling platforms in ocean and different wild environments,
Comprehensive application has been obtained in well system；But, iron driller is also to be used widely in well workover system.
As shown in the patent of invention of Application No. 201310497099.6, being currently used for the patch driller of drilling well mainly includes
Pedestal assembly, flexible arm assembly and hydraulic tongs assembly, as shown in figure 1, wherein, hydraulic tongs assembly is used to detain drilling rod up and down, stretches
Contracting arm assembly makes its reach correct position for movable hydraulic assembly, and pedestal assembly is used to carry workpiece and anvil is carefully and neatly done
Body is fixed on drilling platforms.But without drilling platforms in well workover system, if it is attached that pedestal assembly is directly installed on into well head
On the ground of part, because the deadweight of hydraulic tongs assembly and flexible arm assembly is larger, it is total that pedestal assembly cannot bear hydraulic tongs at all
Into the weight with flexible arm assembly, extremely it is susceptible to topple, not only causes iron driller to be unable to normal operation, goes back and be possible to send out
Raw industrial accident.Therefore, iron driller hardly results in application in well workover system.
Therefore, it is necessary to solve the problems, such as the support of existing iron driller so as to can apply in workover treatment.The present inventor
By the experience and practice of being engaged in relevant industries for many years, a kind of well workover iron driller is proposed, to overcome the defect of prior art.
The content of the invention
It is an object of the invention to provide a kind of petroleum well workover iron driller, integrally can be installed on wellhead flange, and then
In being applied to the workover treatment without drilling platforms.
To reach above-mentioned purpose, the present invention proposes a kind of petroleum well workover iron driller, is fixed on wellhead flange, wherein,
The iron driller send assembly and supports the installed body put and send assembly, the card including hydraulic tongs assembly, the pendulum that can be swung
Mounting mechanism has a clamp body, and the clamp body is Y shape plate, including two fixing ends and an installation end, and each is described solid
The upper surface of fixed end is provided with locating dowel protruding upward, and upper surface of the clamp body in the middle part of it is additionally provided with the clamp sheet
Body is locked to the locking device of the wellhead flange, the pendulum is provided with the installation end and send assembly, the hydraulic tongs assembly
It is arranged on the pendulum to send on assembly.
Petroleum well workover iron driller as above, wherein, open slot, the lock are formed between two fixing ends
Tight device has the working end that can be stretched towards the open slot.
Petroleum well workover iron driller as above, wherein, the locking device includes fixed part and leading screw, the fixation
Portion is installed in the upper surface of the clamp body, and the tapped through hole towards the open slot is offered on the fixed part, described
The axis of tapped through hole is parallel with the upper surface of the clamp body, and the leading screw runs through the tapped through hole, the leading screw court
It is the working end to one end of the open slot.
Petroleum well workover iron driller as above, wherein, the locking device includes locked hydraulic cylinder, the locking liquid
Cylinder pressure is fixed on the upper surface of the clamp body, and the working end is connected on the locked hydraulic cylinder.
Petroleum well workover iron driller as above, wherein, the open slot is circular arc.
Petroleum well workover iron driller as above, wherein, the pendulum send assembly to include pendulum liquor charging cylinder pressure, expansion link and prop up
Seat, the pendulum liquor charging cylinder pressure and the bearing are installed in the upper surface of the installation end, and the expansion link can be installed rotationally
On the bearing, the bottom of the expansion link and it is described pendulum liquor charging cylinder pressure piston hinge, the expansion link top connection
There is the hydraulic tongs assembly.
Petroleum well workover iron driller as above, wherein, the expansion link is arranged on described by bearing pin and bearing
On seat, along the expansion link that extends radially through of the expansion link, the two ends of the bearing pin pass through the bearing energy to the bearing pin
It is rotatably mounted on the bearing.
Petroleum well workover iron driller as above, wherein, the control of the pendulum liquor charging cylinder pressure and workover rig hydraulic circuit
Part connects.
Petroleum well workover iron driller as above, wherein, the hydraulic tongs assembly is connected to by hydraulic tongs connector
The top of the expansion link, the hydraulic tongs connector has in flat mounting platform, the lower surface of the mounting platform
Be provided with inverted U-shaped fixed seat, the top of the expansion link is inserted in the fixed seat, fixed pin shaft through the fixed seat and
The top of the expansion link, the hydraulic tongs assembly is installed in the upper surface of the mounting platform.
Petroleum well workover iron driller as above, wherein, the locating dowel is to be arranged on the upper surface of the fixing end
Column protruding upward.
Compared with prior art, the invention has the characteristics that and advantage：
Petroleum well workover iron driller proposed by the present invention has installed body, by the clamp body of installed body during installation
Upper surface corresponds to the lower surface of wellhead flange, and two locating dowels are inserted from the bottom up into wellhead flange any two screw hole
It is interior, the side of wellhead flange is clamped by two locating dowels and locking device, clamp body is fixed on wellhead flange.So
Using installed body, it is only necessary to by wellhead flange, just can realize the installation and fixation of iron driller, should be because when solving well workover
The problem for causing iron driller to fix without drilling platforms, realizes the iron driller used in workover treatment and replaces part manpower
Work, alleviates labor strength, there is provided production timeliness.
Petroleum well workover iron driller proposed by the present invention, realizes fixing, it is not necessary to drilling platforms conduct using installed body
Installation foundation, is not limited by wellhead flange external diameter, thickness, can be installed on all production wellhead flanges, well-repairing blowout preventor flange,
Have wide range of applications.
Petroleum well workover iron driller proposed by the present invention, installed body simple structure, with small volume, lightweight, installation
Convenient and firm advantage, beneficial to being widely popularized in workover treatment and apply.
Description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended to by any way limit model disclosed by the invention
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematic, the understanding of the present invention is used to help, and
It is not the shape and proportional sizes for specifically limiting each part of the invention.Those skilled in the art under the teachings of the present invention, can
To select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the structural representation of petroleum well workover iron driller proposed by the present invention；
Fig. 2 is the structural representation of the embodiment of installed body one in the present invention；
Fig. 3 is the top view of the embodiment of installed body one in the present invention；
Fig. 4 is the structural representation that pendulum send assembly in the present invention；
Fig. 5 is the profile in D-D directions in Fig. 4；
Fig. 6 is the structural representation of another embodiment of installed body in the present invention.
Description of reference numerals：
100 iron drillers；110 hydraulic tongs assemblies；
120 pendulum send assembly；121 pendulum liquor charging cylinder pressures；
122 expansion links；123 bearings；
124 bearing pins；126 hydraulic tongs connectors；
1261 mounting platforms；1262 fixed seats；
1263 fixed pin shafts；130 installed bodies；
131 clamp bodies；1311 fixing ends；
1312 installation ends；1313 open slots；
132 locating dowels；133 locking devices；
1331 working ends；1332 fixed parts；
1333 leading screws；1334 locked hydraulic cylinders；
200 wellhead flanges.
Specific embodiment
With reference to the description of accompanying drawing and the specific embodiment of the invention, the details of the present invention can be clearly understood.But
It is, the specific embodiment of invention described herein to be only used for explaining the purpose of the present invention, and can not understands by any way
Into being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that any possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.
Fig. 1 to Fig. 5 is refer to, wherein, Fig. 1 is the structural representation of petroleum well workover iron driller proposed by the present invention；Fig. 2
For the structural representation of the embodiment of installed body in the present invention one；Fig. 3 is that installed body one embodiment is bowed in the present invention
View；Fig. 4 is the structural representation that pendulum send assembly in the present invention；Fig. 5 is the profile in D-D directions in Fig. 4.As Fig. 1 to Fig. 5 institute
Show, petroleum well workover proposed by the present invention iron driller 100, including hydraulic tongs assembly 110, pendulum send assembly 120 and installed body
130, installed body 130 has a clamp body 131, and clamp body 131 is Y-shaped steel plate, including two fixing ends 1311 and
Individual installation end 1312, the upper surface of fixing end 1311 is provided with locating dowel 132 protruding upward, the upper table at the middle part of clamp body 131
Face is additionally provided with to be locked to clamp body 131 and is provided with pendulum on the installation end 1312 of locking device 133 of wellhead flange 200 and send always
Into 120, hydraulic tongs assembly 110 is arranged on pendulum and send on assembly 120.
Petroleum well workover proposed by the present invention has installed body 130 with iron driller 100, as shown in figure 1, installed body 130
It is the standing part of petroleum well workover iron driller 100, by the upper surface correspondence of the clamp body 131 of installed body 130 during installation
To the lower surface of wellhead flange 200, two locating dowels 132 are inserted respectively from the bottom up in wellhead flange any two screw hole
The side of wellhead flange 200 is clamped by two locating dowels 132 and locking device 133, makes clamp body 131 be locked at uphole method
On blue 200, pendulum is sent on the installation end 1312 that assembly 120 is arranged on clamp body 131, and hydraulic tongs assembly 110 is arranged on pendulum and send always
Into on 120.So utilize installed body 130, it is only necessary to by wellhead flange 200, just can realize petroleum well workover iron driller
100 installation and fixation, should realize when solving the problems, such as well workover because causing iron driller to fix without drilling platforms
Iron driller replaces part manual labor used in workover treatment, alleviates labor strength, improves production timeliness.
Petroleum well workover proposed by the present invention iron driller 100, realizes fixing, it is not necessary to which drilling well is put down using installed body 130
Platform is not limited as installation foundation by the external diameter of wellhead flange 200, thickness, can be in all production wellhead flanges, well-repairing blowout preventor method
Install on orchid, have wide range of applications.
Petroleum well workover proposed by the present invention iron driller 100, the simple structure of installed body 130, with small volume, weight
Gently, advantage easy for installation and firm, beneficial to being widely popularized in workover treatment and apply.
In an optional example of the invention, it is further opened with out between two fixing ends 1311 of clamp body 131
Mouth groove 1313, locking device 133 has the working end 1331 that can be stretched towards open slot 1313.During installation, by two locating dowels
132 insert in wellhead flange any two screw hole respectively from the bottom up, and the working end 1331 for making locking device 133 is stretched out and pushed up
It is against on the side of wellhead flange 200, the side of wellhead flange 200 is clamped by two locating dowels 132 and working end 1331, makes
Clamp body 131 is fixed on wellhead flange 200.Open slot 131 further increases the distance between two fixing ends 1311,
Sleeve pipe for the lower section of wellhead flange 200 has reserved bigger space, also just reduces because the contact of fixing end 1311 is in the pipe of sleeve pipe
Occur situation of the locating dowel 132 from accurately corresponding to the predetermined installation site of wellhead flange 200 on wall, locating dowel 132 can
More easily to insert in the bolt hole of wellhead flange 200, and by wellhead flange 200 and under wellhead flange square casing chi
Very little restriction, makes the range of application of iron driller proposed by the present invention 100 more extensive.
In an optional example, open slot 1313 is circular arc, so as to or kissing close with the shape of wellhead flange
Close.
In an optional example of the invention, as shown in Figure 2 and Figure 3, locking device 133 includes fixed part 1332 and silk
Thick stick 1333, fixed part 1332 is installed in the upper surface of clamp body 131, offers on fixed part 1332 towards open slot 1313
Tapped through hole, the axis of the tapped through hole is parallel with the upper surface of clamp body 131, and leading screw 1333 runs through the tapped through hole, silk
Thick stick 1333 forms working end 1331 towards one end of open slot 1313.
In another optional example of the invention, as shown in fig. 6, locking device 133 includes locked hydraulic cylinder 1334, lock
Tight hydraulic cylinder 1334 is fixed on the upper surface of clamp body 131, and locked hydraulic cylinder 1334 is connected with working end 1331.
In an optional example of the invention, as shown in Figure 4, Figure 5, pendulum send assembly 120 include putting liquor charging cylinder pressure 121,
Expansion link 122 and bearing 123, put liquor charging cylinder pressure 121 and bearing 123 is installed in the upper of clamp body 131 its installation end 1312
Surface, expansion link 122 can be rotatably mounted on bearing 123, one end and the piston hinge of pendulum liquor charging cylinder pressure 121 of expansion link 122,
The other end of expansion link 122 is connected with hydraulic tongs assembly 110.Expansion link 122 can be rotatably mounted on bearing 123 and send with pendulum
Hydraulic cylinder 121 connects, and collectively constitutes a lever machinery, and the piston for putting liquor charging cylinder pressure 121 promotes the reciprocally swinging of expansion link 122,
When needing for hydraulic tongs assembly 110 to push to well head, the piston for making pendulum liquor charging compressing cylinder 121 stretches out, and piston promotes expansion link 122
Swing forward and hydraulic tongs assembly 110 is delivered into well head；When needing to withdraw hydraulic tongs assembly 110, pendulum liquor charging compressing cylinder 121 is made
Piston is retracted, and piston withdraws hydraulic tongs assembly 110 with the swing backward of expansion link 122.
Further, expansion link 122 is arranged on bearing 123 by bearing pin 124 and bearing, and bearing pin 124 is along expansion link 122
Extend radially through expansion link 122, the two ends of bearing pin 124 can be rotatably mounted on bearing 123 by bearing.
In an optional example, pendulum liquor charging cylinder pressure 121 is connected with the control section of workover rig hydraulic circuit.When using
Can be by workover rig hydraulic circuit control pendulum liquor charging cylinder pressure 121, when hydraulic circuit is exported, the piston of pendulum liquor charging cylinder pressure 121 is stretched
Go out, conversely, the piston of pendulum liquor charging cylinder pressure 121 withdraws.
In an optional example of the invention, hydraulic tongs assembly 110 is connected to expansion link by hydraulic tongs connector 126
On 122, it is in flat mounting platform 1261 that hydraulic tongs connector 126 has, and the lower surface of mounting platform 1261 is provided with U
The fixed seat 1262 of shape, in the end insertion fixed seat 1262 of expansion link 122, fixed pin shaft 1263 is through inverted U-shaped fixed seat
Two side and the end of expansion link 122, hydraulic tongs assembly 110 is installed in the upper surface of mounting platform 1261.
In an optional example of the invention, locating dowel 123 is to be arranged on the upper surface of fixing end 1311 and convex
The column for going out.
Petroleum well workover proposed by the present invention is as follows with the course of work of iron driller 100：
Petroleum well workover iron driller 100 selects a bite operation well in certain oil field to come into operation, petroleum well workover iron driller 100
Using when first can assemble on ground, as shown in figure 1, send assembly 120 to fit together installed body 130 and pendulum first, then will
The hydraulic tongs connector 126 at the top of expansion link 122 is connected with hydraulic tongs assembly 110, afterwards by workover rig winch by mechanism for card
130 are the level of state together with overall being hung to of hydraulic tongs assembly 110 with wellhead flange 200, and the upper surface of clamp body 131 corresponds to
Two locating dowels 132 are inserted into any of wellhead flange 200 by the lower surface of wellhead flange 200 from the lower surface of wellhead flange 200
In two-screw hole, finally tightening the locking device 133 positioned at the side of wellhead flange 200 makes its contact of working end 1331 in flange
200 side is simultaneously locked, and completes the fixation of petroleum well workover iron driller 100.By oscillating motor 121 and workover rig
Hydraulic circuit control section connects, and completes the installation of iron driller 100.
By workover rig hydraulic circuit control pendulum liquor charging cylinder pressure 121 when using, when hydraulic circuit is exported, liquor charging cylinder pressure is put
121 pistons stretch out, and expansion link 122 swings forward, push hydraulic tongs assembly 110 to well head, otherwise hydraulic tongs assembly 110 is withdrawn
To armed state.
During normal rountrip, the push function of assembly 120 is sent using pendulum, smoothly achieved hydraulic tongs assembly
110 push, can effectively reduce operating personnel's workload, reduce labour intensity, improve production timeliness.
Explaining in detail for the respective embodiments described above, its purpose is only that and the present invention is explained, in order to be able to
More fully understand the present invention, but, these description can not with any explanation into being limitation of the present invention, particularly,
Each feature described in different embodiments can also mutually be combined, so as to constitute other embodiment, except having
Contrary description is specified, these features should be understood to be applied in any one embodiment, and be not limited merely to
Described embodiment.
Claims (10)
1. a kind of petroleum well workover iron driller, is fixed on wellhead flange, it is characterised in that the iron driller includes that hydraulic tongs is total
Assembly being sent into, the pendulum that can swing and supporting the installed body put and send assembly, the installed body has clamp body, described
Clamp body is Y shape plate, including two fixing ends and an installation end, and the upper surface of each fixing end is provided with protruding upward
Locating dowel, upper surface of the clamp body in the middle part of it is additionally provided with the lock that the clamp body is locked to the wellhead flange
The pendulum is provided with installation end described in tight device send assembly, the hydraulic tongs assembly to be arranged on the pendulum and send on assembly.
2. petroleum well workover iron driller as claimed in claim 1, it is characterised in that be formed with out between two fixing ends
Mouth groove, the locking device has the working end that can be stretched towards the open slot.
3. petroleum well workover iron driller as claimed in claim 2, it is characterised in that the locking device includes fixed part and silk
Thick stick, the fixed part is installed in the upper surface of the clamp body, and the spiral shell towards the open slot is offered on the fixed part
Line through hole, the axis of the tapped through hole is parallel with the upper surface of the clamp body, and the leading screw runs through the tapped through hole,
The leading screw is the working end towards one end of the open slot.
4. petroleum well workover iron driller as claimed in claim 2, it is characterised in that the locking device includes locking hydraulic pressure
Cylinder, the locked hydraulic cylinder is fixed on the upper surface of the clamp body, and the working end is connected on the locked hydraulic cylinder.
5. petroleum well workover iron driller as claimed in claim 2, it is characterised in that the open slot is circular arc.
6. the petroleum well workover iron driller as described in any one in claim 1 to 5, it is characterised in that the pendulum send assembly
Including liquor charging cylinder pressure, expansion link and bearing is put, the pendulum liquor charging cylinder pressure and the bearing are installed in the upper table of the installation end
Face, the expansion link can be rotatably mounted on the bearing, the bottom of the expansion link and it is described pendulum liquor charging cylinder pressure piston
It is hinged, the top of the expansion link is connected with the hydraulic tongs assembly.
7. petroleum well workover iron driller as claimed in claim 6, it is characterised in that the expansion link is pacified by bearing pin and bearing
It is mounted on the bearing, along the expansion link that extends radially through of the expansion link, the two ends of the bearing pin pass through the bearing pin
The bearing can be rotatably mounted on the bearing.
8. petroleum well workover iron driller as claimed in claim 6, it is characterised in that the pendulum liquor charging cylinder pressure and workover rig hydraulic pressure
The control section connection of oil circuit.
9. petroleum well workover iron driller as claimed in claim 6, it is characterised in that the hydraulic tongs assembly is connected by hydraulic tongs
Fitting is connected to the top of the expansion link, and it is in flat mounting platform that the hydraulic tongs connector has, and the installation is put down
The lower surface of platform is provided with inverted U-shaped fixed seat, and the top of the expansion link is inserted in the fixed seat, and fixed pin shaft runs through institute
The top of fixed seat and the expansion link is stated, the hydraulic tongs assembly is installed in the upper surface of the mounting platform.
10. petroleum well workover iron driller as claimed in claim 1, it is characterised in that the locating dowel is described solid to be arranged on
The upper surface of fixed end cylinder protruding upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030335.3A CN106639927A (en) | 2016-11-16 | 2016-11-16 | Iron roughneck for oil well workover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030335.3A CN106639927A (en) | 2016-11-16 | 2016-11-16 | Iron roughneck for oil well workover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106639927A true CN106639927A (en) | 2017-05-10 |
Family
ID=58808773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030335.3A Pending CN106639927A (en) | 2016-11-16 | 2016-11-16 | Iron roughneck for oil well workover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639927A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099095A (en) * | 1994-04-13 | 1995-02-22 | 陈月辉 | Chain type free roller slope-climbing hydraulic tongs |
| WO2009156764A1 (en) * | 2008-06-26 | 2009-12-30 | First Subsea Limited | Tubular handling device |
| CN101824972A (en) * | 2010-02-10 | 2010-09-08 | 成都世唯科技有限公司 | Mechanism for connecting and disconnecting drill rod and casing |
| CN202228015U (en) * | 2011-08-11 | 2012-05-23 | 齐齐哈尔振华石油机械有限责任公司 | A hydraulic drive remote control track motion type hydraulic oil pipe wrench |
| CN204321681U (en) * | 2014-12-16 | 2015-05-13 | 嘉禾精工锻铸有限公司 | Mounting flange drilling machine workpiece clamp |
| CN204609800U (en) * | 2015-05-04 | 2015-09-02 | 王克新 | Workover treatment flange |
-
2016
- 2016-11-16 CN CN201611030335.3A patent/CN106639927A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099095A (en) * | 1994-04-13 | 1995-02-22 | 陈月辉 | Chain type free roller slope-climbing hydraulic tongs |
| WO2009156764A1 (en) * | 2008-06-26 | 2009-12-30 | First Subsea Limited | Tubular handling device |
| CN101824972A (en) * | 2010-02-10 | 2010-09-08 | 成都世唯科技有限公司 | Mechanism for connecting and disconnecting drill rod and casing |
| CN202228015U (en) * | 2011-08-11 | 2012-05-23 | 齐齐哈尔振华石油机械有限责任公司 | A hydraulic drive remote control track motion type hydraulic oil pipe wrench |
| CN204321681U (en) * | 2014-12-16 | 2015-05-13 | 嘉禾精工锻铸有限公司 | Mounting flange drilling machine workpiece clamp |
| CN204609800U (en) * | 2015-05-04 | 2015-09-02 | 王克新 | Workover treatment flange |
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Application publication date: 20170510 |
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| WD01 | Invention patent application deemed withdrawn after publication |