US1842638A - Elevating apparatus - Google Patents
Elevating apparatus Download PDFInfo
- Publication number
- US1842638A US1842638A US485143A US48514330A US1842638A US 1842638 A US1842638 A US 1842638A US 485143 A US485143 A US 485143A US 48514330 A US48514330 A US 48514330A US 1842638 A US1842638 A US 1842638A
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- spring
- elevator
- head
- rods
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-
- 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
Description
Jan. 26, 1932. w. B. wlGLE 1,342,638
ELavA'rING APPARATUS Filed Sept. 29. 1930 Patented Jan. 26, 1932 UNITED STATES WILSON B. WIGLE, OF COMPTON, CALIFORNIA ELEVATI'NG APPARATUS Application filed September 29, 1930. Serial No. 485,143.
This invention relates generally to oil well equipment, and more particularly to an elevating apparatus.
it chief object of this invention is to pron vide an elevating apparatus so arranged that it may be employed in pulling or lowering drill pipe, well casing, or pump rods to and from an oil or gas well.
A further object of the present invention lo is to provide an elevating apparatus adapted to be connected to the traveling block ot a rotary well drilling rig, and provided with links connected to an elevator' in such a manner that they may swing in all directions, 'le thereby eliminating any torsional strains thereon.
Another object of the invention is to provide an apparatus of the character stated of strong and durable construction in which 2?-0 links and elevators are employed in place of the usual hook.
'Other objects and advantages will be apparent from the following description, reference being had to the accompanying drawings, in which- Fig. 1 is a side elevation of the elevating apparatus (parts being broken away and shown in section) as it appears when pulling a string of drill pipe.
Fig. 2 is a horizontal section taken on line 2-2 oi Fig. 1.
Fig. 3 is a side elevation taken at right angles to Fig. 1 showing the apparatus as it appears when disconnected from the drill 35 Fig. 4 is a side elevation, parts being broken away and shown in section, of the apparatus as it appears when employed to pull sucker rods from a pumping well.
Fig. 5 is a view similar to Fig. 4 showing the apparatus when disconnected from the sucker rods.
Referring now more particularly to the drawings, designates a body member pro- 45 vided with a centrally disposed bore 11 Jfor the reception of a compression spring 12,
seated on an annular flange 13.
Mounted on the upper end oit the spring is a cone or ball race 14 upon which is disposed 59 a plurality of balls 15, which in turn enter an annular groove 16 formed in the underside of a screw cap member 17, which is preferably secured by screw threads 18 to the upper end of a stem 19 formed integral with a head 20, the stem extending through a bore 21 formed in the lower end of the body member 10.
Oppositely disposed lugs 22 having undercut recesses 23 therein are formed on the block in which are disposed bails or links 24, which in turn engage the clevis 25 ot a traveling block 26 of usual construction.
Formed in the head 2O are oppositely disposed recesses 30 having curved lower ends 3l upon which rest the upper ends of links 32 of similar construction to the links 24, the lower ends of said links being removably connected to a casing elevator 33 of standard construction, the links being also removably connected to the head as above described in connection with the links 24 and body member 10.
When the apparatus is connected to an entire string ot drill pipe, casing, tubing or the like, as indicated at 34 in Fig. 1, the spring 11 will be under full compression with the cap 17 in trictional engagement with the top surface oi the body member, thus preventing any swivelling action ot the stem 19.
After the string 34 has been raised and gripped by the usual slips in the rotary table, the traveling block 26 is then lowered sui'- liciently to permit a swivelling action oit the head 20, and a stand of drill pipe casing or tubing may then be readily disconnected, at which time the spring functions to automatically raise the stand in the same manner as with the swivel casing hook disclosed in my prior re-issued Patent No. 14,253, dated January 23, 1917.
Under cert-ain conditions it will be 'found to be desirable to prevent swivelling action of the elevator, this being accomplished by a locking device 36 mounted on the upper surface of the cap member 17. This device preferably consists or a plate 37 slidably mounted between flanges or lugs 39 formed on the cap, and retained in place by pins 38, the plate being moved to a position between the link, as indicated by dotted lines in Fig. 2, to prevent swivelling of the elevator, tlie'pla-teen'd contacting with one of theV arms. of the. links 24.
Referringl to Figs. 4 and 5,.the apparatus is shown employed to handle sucker rods, in which case the links 32 are removed4 from the head and a" swivelling device generally designated. at 40 connected thereto, it being necessary to employ the swivelling'device 40 when raising sucker rods as the spring 12 must necessarily be of sufficient strength to raise a stand of drill pipe, weighing approx imately 4,000 lbs.,.or almost 3,000 lbs. in eX- cess of the same lengthof sucker rods. In other words,.the threaded'joint of. the sucker rods'would then be under such tension that it would be practically impossible to disconnect them.
Formed on the lower end. of thel shankis a head 46 which supports anantiiriction bearing 47 including balls 48 disposed` between races 49, the upper race of which is engaged by a shoulder -50 formed in the upper end of a cylindrical sleeve 51 connected by screw threads 52y to a member 53.
Disposed` in a bore 54 formed in the member 53 is a compression coil spring 55,. the lower end` of which rests on a shoulder 56, the upper. end thereof' being; engaged by a nut 57 threaded on the upper end of a rod 58. This rod is providedl with an eye 58a through which extends the hails` 59- of a hook 60 whichv carries an elevator 61 adapted to receive the coupling 62 of a sucker rod. 64.
Vhen the entire lengthA of the sucker rods are suspended, the cap 17 engages. the body member 10, and nut 57 the upper end ofl the member 53.
After the rods have been sufficiently elevated and retained in such position with a second elevator placedv on the rod below the coping above the casing head, the traveling block is lowered sufficiently to permit full expansion of the spring 12 and partial expansion of the spring 55, the joints of the sucker rods may then be readily disconnected'.
While unscrewing the joints of the rods, the sleeve 51, member 53, and rods 63 swivel on the bearing 47, the spring 55 serving to automatically raise the stand immediately after disconnection, thereby preventing damage to the threads of the couplings.
I claim: Y
AnlA elevatingY mechanism comprising a bodymember having a pair of diametrically disposed undercut recesses in its side wall for the receptionA of' w pair of elevator supporting links, a socket formed in said body member and a bore in its bottom wall, a load sustaining member. provided with a shank,
said= shank extending through the bore in WILSON B. WIGLE..
IOP
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US485143A US1842638A (en) | 1930-09-29 | 1930-09-29 | Elevating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US485143A US1842638A (en) | 1930-09-29 | 1930-09-29 | Elevating apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US1842638A true US1842638A (en) | 1932-01-26 |
Family
ID=23927049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US485143A Expired - Lifetime US1842638A (en) | 1930-09-29 | 1930-09-29 | Elevating apparatus |
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Cited By (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2622846A (en) * | 1947-01-21 | 1952-12-23 | Internat Derrick & Equipment C | Combined traveling block, adapter, and hook |
US2633333A (en) * | 1948-05-17 | 1953-03-31 | Lynn W Storm | Pipe spinner |
US2712932A (en) * | 1951-08-20 | 1955-07-12 | Jay P Gould | Tool supporting device |
US3032364A (en) * | 1958-12-12 | 1962-05-01 | Joy Mfg Co | Swivelled hook for a travelling block |
US3250563A (en) * | 1964-10-02 | 1966-05-10 | Breeze Corp | Cargo hook |
EP0171144A1 (en) * | 1984-07-27 | 1986-02-12 | WEATHERFORD U.S. Inc. | Device for handling well casings |
US5850877A (en) * | 1996-08-23 | 1998-12-22 | Weatherford/Lamb, Inc. | Joint compensator |
WO1999034088A1 (en) * | 1997-12-24 | 1999-07-08 | Weatherford/Lamb, Inc. | Weight compensation device |
WO1999058810A2 (en) * | 1998-05-12 | 1999-11-18 | Weatherford/Lamb, Inc. | Apparatus and method for facilitating connection of a tubular to a string of tubulars |
US6073699A (en) * | 1998-03-06 | 2000-06-13 | Weatherford/Lamb, Inc. | Single joint elevator |
US6412554B1 (en) | 2000-03-14 | 2002-07-02 | Weatherford/Lamb, Inc. | Wellbore circulation system |
US20020189863A1 (en) * | 1999-12-22 | 2002-12-19 | Mike Wardley | Drilling bit for drilling while running casing |
US6598501B1 (en) | 1999-01-28 | 2003-07-29 | Weatherford/Lamb, Inc. | Apparatus and a method for facilitating the connection of pipes |
US20030164276A1 (en) * | 2000-04-17 | 2003-09-04 | Weatherford/Lamb, Inc. | Top drive casing system |
US20030164251A1 (en) * | 2000-04-28 | 2003-09-04 | Tulloch Rory Mccrae | Expandable apparatus for drift and reaming borehole |
US20030217865A1 (en) * | 2002-03-16 | 2003-11-27 | Simpson Neil Andrew Abercrombie | Bore lining and drilling |
US20030221519A1 (en) * | 2000-03-14 | 2003-12-04 | Haugen David M. | Methods and apparatus for connecting tubulars while drilling |
US20040003490A1 (en) * | 1997-09-02 | 2004-01-08 | David Shahin | Positioning and spinning device |
US6679480B1 (en) * | 1999-08-24 | 2004-01-20 | Joint Center Co., Ltd. | Wire fastening device and wire extending structure using wire fastening devices |
US20040011531A1 (en) * | 1998-12-24 | 2004-01-22 | Weatherford/Lamb, Inc. | Apparatus and method for facilitating the connection of tubulars using a top drive |
US6684737B1 (en) | 1999-01-28 | 2004-02-03 | Weatherford/Lamb, Inc. | Power tong |
US20040045717A1 (en) * | 2002-09-05 | 2004-03-11 | Haugen David M. | Method and apparatus for reforming tubular connections |
US20040069500A1 (en) * | 2001-05-17 | 2004-04-15 | Haugen David M. | Apparatus and methods for tubular makeup interlock |
US6745646B1 (en) | 1999-07-29 | 2004-06-08 | Weatherford/Lamb, Inc. | Apparatus and method for facilitating the connection of pipes |
US20040112646A1 (en) * | 1994-10-14 | 2004-06-17 | Vail William Banning | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040112603A1 (en) * | 2002-12-13 | 2004-06-17 | Galloway Gregory G. | Apparatus and method of drilling with casing |
US20040118613A1 (en) * | 1994-10-14 | 2004-06-24 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040124010A1 (en) * | 2002-12-30 | 2004-07-01 | Galloway Gregory G. | Drilling with concentric strings of casing |
US20040124011A1 (en) * | 2002-12-31 | 2004-07-01 | Gledhill Andrew D. | Expandable bit with a secondary release device |
US20040123984A1 (en) * | 1994-10-14 | 2004-07-01 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040140128A1 (en) * | 1994-10-14 | 2004-07-22 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040173357A1 (en) * | 1998-08-24 | 2004-09-09 | Weatherford/Lamb, Inc. | Apparatus for connecting tublars using a top drive |
US20040194965A1 (en) * | 1998-12-24 | 2004-10-07 | Weatherford/Lamb, Inc. | Apparatus and method for facilitating the connection of tubulars using a top drive |
US20040216924A1 (en) * | 2003-03-05 | 2004-11-04 | Bernd-Georg Pietras | Casing running and drilling system |
US20040216925A1 (en) * | 1998-12-22 | 2004-11-04 | Weatherford/Lamb, Inc. | Method and apparatus for drilling and lining a wellbore |
US6814149B2 (en) | 1999-11-26 | 2004-11-09 | Weatherford/Lamb, Inc. | Apparatus and method for positioning a tubular relative to a tong |
US20040226751A1 (en) * | 2003-02-27 | 2004-11-18 | Mckay David | Drill shoe |
US20040237726A1 (en) * | 2002-02-12 | 2004-12-02 | Schulze Beckinghausen Joerg E. | Tong |
US20040244992A1 (en) * | 2003-03-05 | 2004-12-09 | Carter Thurman B. | Full bore lined wellbores |
US20040251050A1 (en) * | 1997-09-02 | 2004-12-16 | Weatherford/Lamb, Inc. | Method and apparatus for drilling with casing |
US20040251055A1 (en) * | 2002-07-29 | 2004-12-16 | Weatherford/Lamb, Inc. | Adjustable rotating guides for spider or elevator |
US20040262013A1 (en) * | 2002-10-11 | 2004-12-30 | Weatherford/Lamb, Inc. | Wired casing |
US20050000696A1 (en) * | 2003-04-04 | 2005-01-06 | Mcdaniel Gary | Method and apparatus for handling wellbore tubulars |
US6854533B2 (en) | 2002-12-20 | 2005-02-15 | Weatherford/Lamb, Inc. | Apparatus and method for drilling with casing |
US20050061112A1 (en) * | 2003-09-19 | 2005-03-24 | Weatherford Lamb, Inc. | Adapter frame for a power frame |
US20050077743A1 (en) * | 2003-10-08 | 2005-04-14 | Bernd-Georg Pietras | Tong assembly |
US20050076744A1 (en) * | 2003-10-08 | 2005-04-14 | Weatherford/Lamb, Inc. | Apparatus and methods for connecting tubulars |
US6896075B2 (en) | 2002-10-11 | 2005-05-24 | Weatherford/Lamb, Inc. | Apparatus and methods for drilling with casing |
US20050121232A1 (en) * | 1998-12-22 | 2005-06-09 | Weatherford/Lamb, Inc. | Downhole filter |
US20050194188A1 (en) * | 2003-10-03 | 2005-09-08 | Glaser Mark C. | Method of drilling and completing multiple wellbores inside a single caisson |
US20050269105A1 (en) * | 1998-07-22 | 2005-12-08 | Weatherford/Lamb, Inc. | Apparatus for facilitating the connection of tubulars using a top drive |
US20060000600A1 (en) * | 1998-08-24 | 2006-01-05 | Bernd-Georg Pietras | Casing feeder |
US20060032638A1 (en) * | 2004-07-30 | 2006-02-16 | Giroux Richard L | Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly |
US7028586B2 (en) | 2000-02-25 | 2006-04-18 | Weatherford/Lamb, Inc. | Apparatus and method relating to tongs, continous circulation and to safety slips |
US7028585B2 (en) | 1999-11-26 | 2006-04-18 | Weatherford/Lamb, Inc. | Wrenching tong |
US7036610B1 (en) | 1994-10-14 | 2006-05-02 | Weatherford / Lamb, Inc. | Apparatus and method for completing oil and gas wells |
US7040420B2 (en) | 1994-10-14 | 2006-05-09 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20060113087A1 (en) * | 2004-11-30 | 2006-06-01 | Springett Frank B | Methods and apparatuses for wellbore operations |
US20060151181A1 (en) * | 2005-01-12 | 2006-07-13 | David Shahin | One-position fill-up and circulating tool |
US7090254B1 (en) | 1999-04-13 | 2006-08-15 | Bernd-Georg Pietras | Apparatus and method aligning tubulars |
US20060180315A1 (en) * | 2005-01-18 | 2006-08-17 | David Shahin | Top drive torque booster |
US7093675B2 (en) | 2000-08-01 | 2006-08-22 | Weatherford/Lamb, Inc. | Drilling method |
US7100710B2 (en) | 1994-10-14 | 2006-09-05 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7128154B2 (en) | 2003-01-30 | 2006-10-31 | Weatherford/Lamb, Inc. | Single-direction cementing plug |
US7134701B1 (en) * | 2003-01-03 | 2006-11-14 | Ronning James M | Frame for lifting beams and other elongated loads |
US20070062688A1 (en) * | 2005-09-20 | 2007-03-22 | Mike Schats | Support link for wellbore apparatus |
US20070062705A1 (en) * | 2005-09-20 | 2007-03-22 | Mike Schats | Wellbore rig elevator systems |
US7228901B2 (en) | 1994-10-14 | 2007-06-12 | Weatherford/Lamb, Inc. | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7284617B2 (en) | 2004-05-20 | 2007-10-23 | Weatherford/Lamb, Inc. | Casing running head |
US20070251701A1 (en) * | 2006-04-27 | 2007-11-01 | Michael Jahn | Torque sub for use with top drive |
US7311148B2 (en) | 1999-02-25 | 2007-12-25 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
US7325610B2 (en) | 2000-04-17 | 2008-02-05 | Weatherford/Lamb, Inc. | Methods and apparatus for handling and drilling with tubulars or casing |
US7334650B2 (en) | 2000-04-13 | 2008-02-26 | Weatherford/Lamb, Inc. | Apparatus and methods for drilling a wellbore using casing |
US7353880B2 (en) | 1998-08-24 | 2008-04-08 | Weatherford/Lamb, Inc. | Method and apparatus for connecting tubulars using a top drive |
US7360594B2 (en) | 2003-03-05 | 2008-04-22 | Weatherford/Lamb, Inc. | Drilling with casing latch |
US20080125876A1 (en) * | 2006-11-17 | 2008-05-29 | Boutwell Doyle F | Top drive interlock |
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US20090252589A1 (en) * | 2004-05-01 | 2009-10-08 | Leendert Adriaan Marinus Sonneveld | Apparatus and method for handling pipe |
US7617866B2 (en) | 1998-08-24 | 2009-11-17 | Weatherford/Lamb, Inc. | Methods and apparatus for connecting tubulars using a top drive |
US7650944B1 (en) | 2003-07-11 | 2010-01-26 | Weatherford/Lamb, Inc. | Vessel for well intervention |
US20100038095A1 (en) * | 2006-12-06 | 2010-02-18 | National Oilwell Varco, L.P. | Dual-Saddle Ear Support Apparatus |
US7874352B2 (en) | 2003-03-05 | 2011-01-25 | Weatherford/Lamb, Inc. | Apparatus for gripping a tubular on a drilling rig |
USRE42877E1 (en) | 2003-02-07 | 2011-11-01 | Weatherford/Lamb, Inc. | Methods and apparatus for wellbore construction and completion |
US9931747B1 (en) * | 2015-11-12 | 2018-04-03 | Power Tork Hydraulics, Inc. | Tool handling system |
-
1930
- 1930-09-29 US US485143A patent/US1842638A/en not_active Expired - Lifetime
Cited By (166)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2622846A (en) * | 1947-01-21 | 1952-12-23 | Internat Derrick & Equipment C | Combined traveling block, adapter, and hook |
US2633333A (en) * | 1948-05-17 | 1953-03-31 | Lynn W Storm | Pipe spinner |
US2712932A (en) * | 1951-08-20 | 1955-07-12 | Jay P Gould | Tool supporting device |
US3032364A (en) * | 1958-12-12 | 1962-05-01 | Joy Mfg Co | Swivelled hook for a travelling block |
US3250563A (en) * | 1964-10-02 | 1966-05-10 | Breeze Corp | Cargo hook |
EP0171144A1 (en) * | 1984-07-27 | 1986-02-12 | WEATHERFORD U.S. Inc. | Device for handling well casings |
US7108084B2 (en) | 1994-10-14 | 2006-09-19 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7228901B2 (en) | 1994-10-14 | 2007-06-12 | Weatherford/Lamb, Inc. | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040140128A1 (en) * | 1994-10-14 | 2004-07-22 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7165634B2 (en) | 1994-10-14 | 2007-01-23 | Weatherford/Lamb, Inc. | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040118613A1 (en) * | 1994-10-14 | 2004-06-24 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7147068B2 (en) | 1994-10-14 | 2006-12-12 | Weatherford / Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040112646A1 (en) * | 1994-10-14 | 2004-06-17 | Vail William Banning | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US20040123984A1 (en) * | 1994-10-14 | 2004-07-01 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7100710B2 (en) | 1994-10-14 | 2006-09-05 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US6868906B1 (en) | 1994-10-14 | 2005-03-22 | Weatherford/Lamb, Inc. | Closed-loop conveyance systems for well servicing |
US7013997B2 (en) | 1994-10-14 | 2006-03-21 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7036610B1 (en) | 1994-10-14 | 2006-05-02 | Weatherford / Lamb, Inc. | Apparatus and method for completing oil and gas wells |
US7040420B2 (en) | 1994-10-14 | 2006-05-09 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US7048050B2 (en) | 1994-10-14 | 2006-05-23 | Weatherford/Lamb, Inc. | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
US5850877A (en) * | 1996-08-23 | 1998-12-22 | Weatherford/Lamb, Inc. | Joint compensator |
US6000472A (en) * | 1996-08-23 | 1999-12-14 | Weatherford/Lamb, Inc. | Wellbore tubular compensator system |
US6056060A (en) * | 1996-08-23 | 2000-05-02 | Weatherford/Lamb, Inc. | Compensator system for wellbore tubulars |
US20040003490A1 (en) * | 1997-09-02 | 2004-01-08 | David Shahin | Positioning and spinning device |
US20040251050A1 (en) * | 1997-09-02 | 2004-12-16 | Weatherford/Lamb, Inc. | Method and apparatus for drilling with casing |
US7140445B2 (en) | 1997-09-02 | 2006-11-28 | Weatherford/Lamb, Inc. | Method and apparatus for drilling with casing |
US7509722B2 (en) | 1997-09-02 | 2009-03-31 | Weatherford/Lamb, Inc. | Positioning and spinning device |
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US6073699A (en) * | 1998-03-06 | 2000-06-13 | Weatherford/Lamb, Inc. | Single joint elevator |
WO1999058810A3 (en) * | 1998-05-12 | 2000-01-06 | Weatherford Lamb | Apparatus and method for facilitating connection of a tubular to a string of tubulars |
WO1999058810A2 (en) * | 1998-05-12 | 1999-11-18 | Weatherford/Lamb, Inc. | Apparatus and method for facilitating connection of a tubular to a string of tubulars |
US7137454B2 (en) | 1998-07-22 | 2006-11-21 | Weatherford/Lamb, Inc. | Apparatus for facilitating the connection of tubulars using a top drive |
US20050269105A1 (en) * | 1998-07-22 | 2005-12-08 | Weatherford/Lamb, Inc. | Apparatus for facilitating the connection of tubulars using a top drive |
US7665531B2 (en) | 1998-07-22 | 2010-02-23 | Weatherford/Lamb, Inc. | Apparatus for facilitating the connection of tubulars using a top drive |
US7669662B2 (en) | 1998-08-24 | 2010-03-02 | Weatherford/Lamb, Inc. | Casing feeder |
US20060000600A1 (en) * | 1998-08-24 | 2006-01-05 | Bernd-Georg Pietras | Casing feeder |
US7617866B2 (en) | 1998-08-24 | 2009-11-17 | Weatherford/Lamb, Inc. | Methods and apparatus for connecting tubulars using a top drive |
US20040173357A1 (en) * | 1998-08-24 | 2004-09-09 | Weatherford/Lamb, Inc. | Apparatus for connecting tublars using a top drive |
US7513300B2 (en) | 1998-08-24 | 2009-04-07 | Weatherford/Lamb, Inc. | Casing running and drilling system |
US7451826B2 (en) | 1998-08-24 | 2008-11-18 | Weatherford/Lamb, Inc. | Apparatus for connecting tubulars using a top drive |
US7353880B2 (en) | 1998-08-24 | 2008-04-08 | Weatherford/Lamb, Inc. | Method and apparatus for connecting tubulars using a top drive |
US20070051519A1 (en) * | 1998-08-24 | 2007-03-08 | Bernd-Georg Pietras | apparatus for connecting tubulars using a top drive |
US20070193751A1 (en) * | 1998-08-24 | 2007-08-23 | Bernd-Georg Pietras | Casing running and drilling system |
US7090021B2 (en) | 1998-08-24 | 2006-08-15 | Bernd-Georg Pietras | Apparatus for connecting tublars using a top drive |
US20040216925A1 (en) * | 1998-12-22 | 2004-11-04 | Weatherford/Lamb, Inc. | Method and apparatus for drilling and lining a wellbore |
US7188687B2 (en) | 1998-12-22 | 2007-03-13 | Weatherford/Lamb, Inc. | Downhole filter |
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