CN105452591B - Elevator for drilling rig - Google Patents
Elevator for drilling rig Download PDFInfo
- Publication number
- CN105452591B CN105452591B CN201480043870.5A CN201480043870A CN105452591B CN 105452591 B CN105452591 B CN 105452591B CN 201480043870 A CN201480043870 A CN 201480043870A CN 105452591 B CN105452591 B CN 105452591B
- Authority
- CN
- China
- Prior art keywords
- elevator
- tubular element
- bearing
- sleeve
- spring
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 37
- 239000011159 matrix material Substances 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
Abstract
The present invention relates to a kind of elevator (10) for drilling rig, the drilling rig is used to build deep-well, the elevator includes the hoisting mechanism for being used to lift tubular element, wherein, the tubular element has the sleeve for extending over the tubular element circumference, and the sleeve includes the threaded sections for being used for mutually tightening tubular element；The elevator includes matrix (11) unlimited at least one side, described matrix has the housing region for being used for accommodating tubular element, tubular element can feel relieved in the housing region, wherein, centering region (26) is provided with order to feel relieved, the centering region include at least partially around tubular element circumference section, and it is described at least partially around section have at least one movable centring element (12,13)；And the elevator includes bearing-surface (20), when lifting tubular element, sleeve is supported on the bearing-surface.Matrix is provided with the bindiny mechanism (33) for being used for being connected with the hoisting mechanism of drilling rig.Bearing-surface be arranged on it is described at least partially around section above and relative to it is described at least partially around section be can be vertically movable and to be spring loaded during assembly by spring element (38), the spring element is designed as, so that bearing-surface is in above matrix when being housed to or tubular element to be removed is loaded, and the spring element is designed as, so that bearing-surface carries out vertical motion above matrix, the vertical motion by tubular element with having been loaded into the vertical motion of the sleeve of tubular element when the tubing in drilling is tightened or released by causing.
Description
Technical field
The present invention relates to a kind of elevator for drilling rig, the drilling rig is used to build deep-well, the elevator bag
The hoisting mechanism for lifting tubular element is included, wherein, the tubular element has the set for extending over the tubular element circumference
Cylinder, the sleeve includes the threaded sections for being used for mutually tightening tubular element；The elevator includes opening wide at least one side
Matrix, described matrix, which has, to be used to accommodate the housing region of tubular element, and tubular element is to determine in the housing region
The heart, wherein, centering region is provided with order to feel relieved, the centering region is included at least partially around tubular element circumference
Section, and it is described at least partially around section have at least one movable centring element；And the elevator bag
Bearing-surface is included, sleeve is supported on the bearing-surface when lifting tubular element, wherein, matrix, which is provided with, to be used for and drilling rig
The bindiny mechanism of hoisting mechanism connection.
Background technology
The elevator of such also referred to as single joint elevator is by known in the art.The elevator is for example in large-scale deep drilling rig
In parallel to the main elevator for the weight that can carry whole drilling rod, such as slip-type elevator or spider-type elevator (Spider
Elevator) install, to move additional single tube or the like, the deep drilling rig will in loading and dismounting drilling rod
The section of two (double) or three (three) drilling rods loads or dismantled.
These usual elevators are movably disposed under main elevator, and the main elevator is for example arranged on matching somebody with somebody for drilling rig
Have on the hoisting mechanism that top is driven.It is two arc sections mutually connected rotatable and lockablely, the arc section herein
Tubular element (drilling rod, sleeve pipe, production pipe or the like) or can be movable on these tubular elements can securely be firmly grasped
Ground centering ground is slided along these tubular elements, until the arc section and the screw shell that is arranged on pipe enter interlocking and
The pipe is lifted by the screw shell.At this moment drillman author is for example in the mast of drilling rig, and he is installing
Elevator is closed during pipe then to decline pipe, or opens elevator to separate pipe from elevator in dismounting.It is such
Elevator it is also known by the A1 of the EP 2 495 390 and A1 of EP 2 295 708 (corresponding Fig. 1).One is also showed that in these files
Elevator is planted, the elevator can be opened by driving element or close and manage and is stuck in herein in elevator.
A kind of elevator of aforementioned type as known to the B2 of US 7 434 614, the elevator has fixed latch device, solid at this
Determine to be provided with jam plate in blocking device, relative to two mutual deflectable sections of the jam plate are movable, and the section is at them
Center have for drilling pipe housing region, wherein, jam plate is supported on helical spring herein.If drilling pipe is by the area
Section is closed in housing region, then the section is utilized blocking device and fixed.If elevator is elevated, the sleeve pressure of drilling pipe
Lean against on jam plate and press against the jam plate on spring, until spring is pressed against on the section.Set in the section
There is bolt, the bolt is scarfed in the corresponding opening of jam plate and locks the section whereby, so as to may be lost in locking
The section will not be opened when effect or too early opening.
If production pipe is introduced into drilling after probing terminates and being introduced into after oil well casing, the production
Pipe must airtightly be implemented.Therefore special pipe is loaded into, and the special pipe is for example with fine thread, so as to provide phase
The sealing answered.These production pipes are introduced usually as single tube.Single joint elevator is equally used for this.Here, pipe is connected with elevator
And the screw shell lifting on upper end is utilized above the pipe under it.The lower thread and set for the pipe being housed to
The screw thread of cylinder, which is in, to be rabbeted and is for example mutually tightened using automatic screwing device (torque wrench of hydraulic pressure).When tightening, pipe
It must decline.Because may tighten herein the hoisting mechanism of fine thread and drilling rig generally can not ensure it is such fine
And accurately motion, so such single joint elevator is suspended on spring, then the spring stretches when tightening.The spring
Designed for the weight of the weight combination pipe of elevator.
The content of the invention
Generally for precision reason without considering larger sized spring.Therefore in the case where more heavy load must be kept
Go wrong.Therefore, task of the invention is to provide a kind of elevator, and the pipe with fine thread can be tightened simultaneously using the elevator
And can larger be loaded in the case of no loss of significance simultaneously.
The task is solved as follows, i.e. bearing-surface be arranged on it is described at least partially around section above and it is relative
In it is described at least partially around section be can be vertically movable and to be spring loaded during assembly by spring element.
It is possible thereby to load correspondingly be born, without occurring spring breaking down in overload.
A kind of preferred teaching regulation of the present invention, the bearing-surface is when spring element is fully compressed or from more than pre-
Fixed spring skew start to be supported on it is described at least partially around section on.Thus achievable optimal load is also ensured that
Transfer.
A kind of preferred teaching regulation of the present invention, provided with least two centring elements movable relative to matrix, institute
In stating centring element and can moving to closing position from open position on one's own initiative, wherein, driving dress is preferably provided with to move
Put, be particularly preferably provided with hydraulic cylinder and/or rack gearing.Thus, the automation of elevator can be realized in a simple manner.
There is provided optimal centering simultaneously.
A kind of preferred teaching regulation of the present invention, the tubular element can be vertically movable in centering region.This
A kind of preferred teaching regulation of invention, the tubular element is drilling pipe, sleeve pipe or production pipe.
A kind of preferred teaching regulation of the present invention, bearing-surface coated.It is particularly preferably sliding bearing bronze herein.
Therefore the welding of sleeve is avoided.
A kind of preferred teaching regulation of the present invention, the spring element is helical spring, pneumatic spring and/or hydraulic pressure bullet
Spring.
A kind of preferred teaching regulation of the present invention, is provided with least one hole, at least one described bullet in centring element
Spring element is movably disposed in the hole preferably in combination with guide finger.It is corresponding thus, it is possible to ensure in a particularly simple way
Load transfer.
A kind of preferred teaching regulation of the present invention, described two centring elements have corresponding in closing position respectively
Hole, the corresponding hole utilizes the locking member locking set on the bearing surface.Protect in load conditions by this way
Card centring element will not be opened.
A kind of preferred teaching regulation of the present invention, bearing-surface be housed to or during tubular element loading to be removed at
Above matrix.
A kind of preferred teaching regulation of the present invention, the spring element is designed as so that bearing-surface being housed to or
When tubular element to be removed is loaded above matrix, so that locking member is scarfed in corresponding hole.
A kind of preferred teaching regulation of the present invention, the spring element is designed as so that bearing-surface enters above matrix
Row is vertically movable, and the vertical motion passes through the tubulose member when tightening or releasing tubular element and the tubing having been loaded into drilling
The vertical motion of the sleeve of part causes.
In addition, being solved according to the task of the present invention by such a drilling rig, the drilling rig includes lifting
The elevator of mechanism and the foregoing description.
In addition, being used to fill using the probing for including hoisting mechanism and foregoing elevator by a kind of according to the task of the present invention
Put when building deep-well and to solve the method that tubular element is fitted into drilling, wherein, will pipe especially by pipehandler
It is placed in elevator to the very best part centering, the tubular element has the sleeve for extending over the tubular element circumference, the set
Cylinder includes the threaded sections for being used for mutually tightening tubular element；Close elevator；Using lift mechanism lifts elevator, until elevator
The bottom side and the bottom side for reaching sleeve are supported on the bearing-surface of elevator, so that the tubular element is kept by elevator；Profit
Decline elevator with hoisting mechanism, until lower thread and the tubular element having been loaded under it of the tubular element
The screw thread being in sleeve be in interlocking, the screw thread mutually tightens, wherein, must moving for the sleeve of pipe to be tightened is logical
Cross and provided as the vertical motion caused by bearing-surface towards the decline of spring element, wherein, hoisting mechanism need not be made when tightening
Motion.
A kind of preferred teaching regulation of the present invention, compression spring element, so that bolt enters in the hole of centring element simultaneously
And the centring element is locked to each other.
Brief description of the drawings
Then the present invention is explained further by accompanying drawing by preferred embodiment.It is shown in which：
Fig. 1 shows the stereogram of the elevator according to the present invention,
Fig. 2 shows to include the stereogram of the top drive system of elevator,
Fig. 3 shows the stereogram of Fig. 1 dorsal part,
Fig. 4 shows Fig. 1 sectional view,
Fig. 5 shows Fig. 3 stereogram, and
Fig. 6 shows Fig. 2 perspective partial view.
Embodiment
Fig. 1 shows to include the stereogram of the elevator 10 according to the present invention of matrix 11, and described matrix has with centering area
The opening 25 in domain 26 (referring also to Fig. 4).Provided with two centring elements 12,13 in centering region 26, the centring element has
It is consistent with the circumference of production pipe 30 in terms of recessed area section 27, the recessed area Duan Qi curvature.Centring element 12,13 is in their outside
Upper to have bolt 14, the bolt is extended with being horizontally movable (A) by the hole 15 in matrix 11 and the bolt is provided with end
Portion region 28.
Bearing-surface 20 is arranged on the top of centring element 12,13, and the bearing-surface is arranged on vertical bolt 23, spring element
Part 38 is set around the vertical bolt.Bearing-surface 20 includes basal plane 21 and coating 22 and the bearing-surface is divided into multiple supportings
Face section 24,29.Region 26 of feeling relieved is again provided with bearing-surface section 24,29.Bolt 23 is moveably supported at centering member
In the hole 31 of part 12,13 and the bolt is used as gauge portion in their bottom side provided with bolt head.Thus, bearing-surface is vertical
(B) direction towards matrix 11 is movable.
Tightening member 33 is movingly hinged with matrix 11.The tightening member is by the flange 16 including two parts
Composition, described two parts are mutually tightened by bolt 17.Hole 18 is in the inside of flange 16, and the lock bow 34 for pushing up drive system 40 is embedding
Enter in the hole.The stopper section 19 for so-called inclined cylinder 41 is provided with flange 16, the inclined cylinder is used to deflect elevator
10、50.Flange 16 is movably disposed on matrix 11 by articulated section 35,36 and rod element 37.Elevator 10 is on lock bow 34
Arrangement figure 5 illustrates.
(as shown in Figure 3) is two hydraulic cylinders 44 on the dorsal part 43 of matrix 11, and the two hydraulic cylinders pass through one respectively
Stop element 45 is connected with centring element 12,13, and centring element 12,13 can vertically along direction A by the hydraulic cylinder
Move in open position and closing position, in the open position, production pipe 30 can be removed from elevator 10.In bearing-surface
20 are provided with bolt 46, and the bolt can be scarfed in hole 47, and the hole is not only existed in centring element 12 and in fixed
In heart element 13, because overlappingly (not shown) is constructed described two centring elements 12,13 in this region.Work as production pipe
30 with the bottom side 42 of sleeve 39 in elevator and when being supported on bearing-surface 20, and spring element 38 is by the effect of production pipe 30
Quality compression on to bearing-surface 20, so that bearing-surface vertical (B) motion, thus, bolt 46 is moved in hole 47 and with this
By described two centring elements 12,13 mutually lockings.
Fig. 2 shows top drive system 40, and the top drive system includes lock bow 34 and main elevator 50 and elevator 10 and the life having been charged into
Produce pipe 30.The top drive system 40 may move vertically by trolley on the unshowned mast of deep drilling rig (not shown)
Ground is set.Lift and descend through the realization of hoisting mechanism (not shown).The arrangement of main elevator 50 and elevator 10 is not having in figure 6
Shown exaggeratedly in the case of production pipe 30.
Production pipe 30 is set to move in the elevator 10 of opening and in the matrix 11 that arrives by pipehandler (not shown)
In centering region 26.During centring element 12,13 is in an open position and by hydraulic cylinder along direction A horizontal ground motions to centering
In region 26, until centring element 12,13 contact and pipe 30 be centrally positioned in elevator 10.Then, top drive system (does not show
Go out) be drilled device (not shown) hoisting mechanism (not shown) lifting, until elevator 10 reach sleeve 39 bottom side 42 on, and
And the bottom side 42 is supported on bearing-surface 20 and is therefore supported on the bearing-surface section 24,29 of closure, and spring element
38 are compressed, so as in the hole 47 of the entrance centring element 12,13 of bolt 46 and the centring element be locked to each other.Then,
Pipehandler (not shown) is released and removed and production pipe 30 is kept by elevator 10 completely.Then, elevator 10 passes through
Hoisting mechanism (not shown) declines, so that the lower thread (not shown) of production pipe 30 (does not show with the screw thread in sleeve 39
Go out) in interlocking.By automatic screwing device, the torque wrench (not shown) of such as hydraulic pressure, pipe is mutually tightened and ajusted,
Wherein, pipe 30 can be rotated freely in elevator and sleeve 39 is rotated on bearing-surface 20 but coated 22 is protected with loss prevention
It is bad.Hoisting mechanism (not shown) is not moved, and to ensure that the fine thread (not shown) of production pipe 30 is not damaged by, and waits to tighten
The sleeve 39 of pipe 30 must move by being provided as bearing-surface 20 towards the vertically movable B of the decline of spring element 38.
Then, elevator 10 is declined by hoisting mechanism, so that spring element 38 relaxes and bearing-surface 20 is moved upwards.Thus, bolt
46 by the removal from hole 47 and centring element 12,13 can be again introduced into open position by hydraulic cylinder 44.Meanwhile, master hangs
Block 50 to close under elevator 10 around pipe 30, and produce tubing and left by hoisting mechanism and be stuck in turntable again (not
Show) in.Then next production pipe 30 is conveyed to by elevator 10 by pipehandler.Possible dismounting is correspondingly with phase
Reverse-order is carried out.
Reference numerals list
10 elevators
11 matrixes
12 centring elements
13 centring elements
14 bolts
15 holes
16 flanges
17 bolts
18 holes
19 stopper sections
20 bearing-surfaces
21 basal planes
22 coatings
23 bolts
24 bearing-surface sections
25 openings
26 centering regions
27 recessed areas section
28 end regions
29 bearing-surface sections
30 production pipes
31 holes
33 tightening members
34 lock bows
35 articulated sections
36 articulated sections
37 rod elements
38 spring elements
39 sleeves
40 top drive systems
41 inclined cylinders
42 bottom sides
43 dorsal parts
44 hydraulic cylinders
45 stop elements
46 bolts
47 holes
48 trolleys
50 main elevators
Claims (17)
1. for the elevator of drilling rig, the drilling rig is used to build deep-well, and the elevator includes being used for riser champion
The hoisting mechanism of part, wherein, the tubular element has the sleeve for extending over the tubular element circumference, and the sleeve includes use
In the threaded sections for mutually tightening tubular element；The elevator includes matrix unlimited at least one side, described matrix tool
There is the housing region for accommodating tubular element, tubular element can feel relieved in the housing region, wherein, in order to feel relieved
And provided with centering region, the centering region include at least partially around tubular element circumference section, and it is described at least
The section partly surrounded has at least one movable centring element；And the elevator includes bearing-surface, in riser
Sleeve is supported on the bearing-surface during the very best part, wherein, matrix is provided with the company for being used for being connected with the hoisting mechanism of drilling rig
Connection mechanism, it is characterised in that bearing-surface be arranged on it is described at least partially around section above and relative to it is described at least
The section partly surrounded is can be vertically movable and to be spring loaded during assembly by spring element, and the spring element is designed as,
So that bearing-surface is in above matrix when being housed to or tubular element to be removed is loaded, and the spring element is designed
Vertical motion is carried out above matrix for so that bearing-surface, and the vertical motion is by by tubular element and having been loaded into drilling
In tubing when tightening or releasing the vertical motion of the sleeve of tubular element and cause.
2. according to the elevator described in claim 1, it is characterised in that the bearing-surface when spring element is fully compressed or from
More than predetermined spring skew start to be supported on it is described at least partially around section on.
3. according to the elevator described in claim 1 or 2, it is characterised in that movable relative to matrix determine provided with least two
Heart element, during the centring element can move to closing position from open position on one's own initiative.
4. according to the elevator described in claim 1 or 2, it is characterised in that the tubular element is in centering region can be vertical
Motion.
5. according to the elevator described in claim 1 or 2, it is characterised in that the bearing-surface coated.
6. according to the elevator described in claim 1 or 2, it is characterised in that the spring element be helical spring, pneumatic spring or
Hydraulic spring grease cup.
7. according to the elevator described in claim 1 or 2, it is characterised in that be provided with least one hole in centring element, it is described extremely
A few spring element is movably disposed in the hole.
8. according to the elevator described in claim 3, it is characterised in that described two centring elements have in closing position respectively
Corresponding hole, the corresponding hole utilizes the locking member locking set on the bearing surface.
9. according to the elevator described in claim 8, it is characterised in that the spring element is designed as so that bearing-surface is being treated
When loading or tubular element to be removed loading above matrix, so that locking member is scarfed in corresponding hole.
10. according to the elevator described in claim 1, it is characterised in that the tubular element is drilling pipe, sleeve pipe or production pipe.
11. according to the elevator described in claim 3, it is characterised in that be provided with drive device to move.
12. according to the elevator described in claim 11, it is characterised in that the drive device is hydraulic cylinder or rack-driving dress
Put.
13. according to the elevator described in claim 7, it is characterised in that at least one described spring element combination guide finger can be transported
Set dynamicly in the hole.
14. drilling rig, including hoisting mechanism and according to the elevator described in one of claim 1 to 13.
15. the method for being fitted into tubular element in drilling when building deep-well using drilling rig, the drilling rig bag
Include hoisting mechanism and according to the elevator described in one of claim 1 to 13, wherein, tubular element is arranged at elevator with feeling relieved
In, the tubular element has the sleeve for extending over the tubular element circumference, and the sleeve, which is included, to be used for tubular element phase
The threaded sections mutually tightened；Close elevator；Using lift mechanism lifts elevator, until elevator reaches the bottom side of sleeve and described
Bottom side is supported on the bearing-surface of elevator, so that the tubular element is kept by elevator；Decline elevator using hoisting mechanism, directly
The screw thread being in sleeve of lower thread to the tubular element and the tubular element having been loaded under it is in
Interlocking, the screw thread mutually tightens, wherein, the sleeve of pipe to be tightened must move by by bearing-surface towards spring element
Caused vertically movable offer is provided, wherein, it need not move hoisting mechanism when tightening.
16. in accordance with the method for claim 15, it is characterised in that compression spring element, so that bolt enters centring element
Hole in and the centring element is locked to each other.
17. in accordance with the method for claim 15, it is characterised in that set tubular element with feeling relieved by pipehandler
It is placed in elevator.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013010022.4A DE102013010022A1 (en) | 2013-06-17 | 2013-06-17 | Elevator for a drilling rig |
| DE102013010022.4 | 2013-06-17 | ||
| PCT/EP2014/001642 WO2014202207A2 (en) | 2013-06-17 | 2014-06-17 | Elevator for a drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105452591A CN105452591A (en) | 2016-03-30 |
| CN105452591B true CN105452591B (en) | 2017-07-21 |
Family
ID=50982883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480043870.5A Expired - Fee Related CN105452591B (en) | 2013-06-17 | 2014-06-17 | Elevator for drilling rig |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3011128A2 (en) |
| CN (1) | CN105452591B (en) |
| DE (1) | DE102013010022A1 (en) |
| WO (1) | WO2014202207A2 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1511699A (en) * | 1921-01-29 | 1924-10-14 | E C Wilson | Lock for well-casing elevators |
| US2030087A (en) * | 1931-06-30 | 1936-02-11 | Nat Superior Co | Door type slip elevator |
| US2070114A (en) * | 1934-02-08 | 1937-02-09 | Robert G Burlingame | Well elevator |
| US2563851A (en) * | 1946-12-02 | 1951-08-14 | Byron Jackson Co | Well pipe elevator |
| GB862411A (en) * | 1959-02-18 | 1961-03-08 | Web Wilson Oil Tools Inc | Improvements in elevators for handling pipes and the like in wells |
| US3140523A (en) * | 1959-02-25 | 1964-07-14 | Byron Jackson Inc | Slip elevators |
| EP0589823A1 (en) * | 1992-09-04 | 1994-03-30 | Varco International, Inc. | Safety pipe string elevator |
| CN102061894A (en) * | 2010-12-06 | 2011-05-18 | 中国石油集团西部钻探工程有限公司 | Self-locking elevator |
| EP2215325B1 (en) * | 2007-10-26 | 2014-01-22 | Weatherford/Lamb Inc. | Remotely operated single joint elevator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2718929C (en) * | 2000-10-16 | 2014-02-18 | Weatherford/Lamb, Inc. | Coupling apparatus |
| CA2512328C (en) * | 2004-07-19 | 2009-10-06 | Weatherford/Lamb, Inc. | Safety lock for elevators |
| US8141923B2 (en) | 2007-01-19 | 2012-03-27 | Frank's Casing Crew And Rental Tools, Inc. | Single joint elevator having deployable jaws |
-
2013
- 2013-06-17 DE DE102013010022.4A patent/DE102013010022A1/en not_active Withdrawn
-
2014
- 2014-06-17 WO PCT/EP2014/001642 patent/WO2014202207A2/en active Application Filing
- 2014-06-17 CN CN201480043870.5A patent/CN105452591B/en not_active Expired - Fee Related
- 2014-06-17 EP EP14732503.9A patent/EP3011128A2/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1511699A (en) * | 1921-01-29 | 1924-10-14 | E C Wilson | Lock for well-casing elevators |
| US2030087A (en) * | 1931-06-30 | 1936-02-11 | Nat Superior Co | Door type slip elevator |
| US2070114A (en) * | 1934-02-08 | 1937-02-09 | Robert G Burlingame | Well elevator |
| US2563851A (en) * | 1946-12-02 | 1951-08-14 | Byron Jackson Co | Well pipe elevator |
| GB862411A (en) * | 1959-02-18 | 1961-03-08 | Web Wilson Oil Tools Inc | Improvements in elevators for handling pipes and the like in wells |
| US3140523A (en) * | 1959-02-25 | 1964-07-14 | Byron Jackson Inc | Slip elevators |
| EP0589823A1 (en) * | 1992-09-04 | 1994-03-30 | Varco International, Inc. | Safety pipe string elevator |
| EP2215325B1 (en) * | 2007-10-26 | 2014-01-22 | Weatherford/Lamb Inc. | Remotely operated single joint elevator |
| CN102061894A (en) * | 2010-12-06 | 2011-05-18 | 中国石油集团西部钻探工程有限公司 | Self-locking elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013010022A1 (en) | 2014-12-18 |
| WO2014202207A2 (en) | 2014-12-24 |
| CN105452591A (en) | 2016-03-30 |
| EP3011128A2 (en) | 2016-04-27 |
| WO2014202207A3 (en) | 2015-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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