Patent
Pipe running tool
Daniel Juhasz,George Boyadjieff,Brian L. Eidem,Rijzingen Hans Van +3 more
- 03 Mar 2000
145
TL;DR: In this paper, a pipe running tool for use in an oil drilling system and the like comprises a lower drive shaft adapted to engage a drive shaft of a top drive assembly for rotation therewith.
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Abstract: A pipe running tool for use in an oil drilling system and the like comprises a lower drive shaft adapted to engage a drive shaft of a top drive assembly for rotation therewith. The pipe running tool further includes a lower pipe engagement assembly which is driven to rotate by the lower drive shaft, and is designed to releasably engage a pipe segment in such a manner to substantially prevent relative rotation between the two. Thus, when the lower pipe engagement assembly is actuated to securely hold a pipe segment, the top drive assembly may be actuated to rotate the top drive output shaft, which causes the lower drive shaft and lower pipe engagement assembly to rotate, which in turn rotates the pipe segment.
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Citations
Patent
Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
William Banning Vail
- 02 Oct 2003
TL;DR: In this paper, a steel drill string attached to a drilling bit during typical rotary drilling operations is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions.
214
Patent
Apparatus and methods for drilling a wellbore using casing
Richard Lee Giroux,Gregory G. Galloway,Tuong Thanh Le,Raymond H. Jackson,Gregory R. Nazzal,James C. Swarr,Brunnert David J,William M. Beasley,Brent J. Lirette,Odell Albert C,James B. Terry,David Mckay,Samir Alkhatib,Mike Wardley +13 more
- 02 Feb 2004
TL;DR: In this article, a diverter is used to direct fluid flow selectively to the motor operating system and the passageway in the shaft of a wellbore while directionally drilling a casing into the formation.
176
Patent
Top drive casing system
Randy Gene Snider,David Shahin,John Timothy Allen,Kevin L. Gray,Gary Thompson +4 more
- 14 Mar 2003
TL;DR: In this paper, a torque head for gripping tubular members, in at least some aspects, has a housing, grip mechanism secured within the housing, the grip mechanism including at least one jaw selectively movable toward and away from a portion of a tubular member within a housing.
175
Patent
Method and apparatus for connecting tubulars using a top drive
Bernd-Georg Pietras
- 16 Aug 1999
TL;DR: An apparatus for facilitating the connection of tubulars, consisting of a winch, at least one wire line, and a device for gripping the tubular, is described in this paper.
158
Patent
Apparatus and methods for tubular makeup interlock
David Michael Haugen
- 08 May 2002
TL;DR: In this paper, an apparatus and methods to prevent an operator from inadvertently dropping a string (210) into a wellbore during assembling and disassembling of tubulars are presented.
156
References
Patent
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing
Donald E. Mosing,Samuel P. Hawkins,David L. Sipos,Keith T. Lutgring,Burney J. Latiolais +4 more
- 26 Sep 1997
TL;DR: In this article, a multi-functional apparatus and method for drilling fluid and cementing operations to set casing in a wellbore for use on either top drive or rotary type rigs is presented.
177
Patent
Drilling of wells with top drive unit
George I Boyadjieff
- 03 Aug 1982
TL;DR: In this paper, a top drive drilling assembly with a motor driven stem adapted to be attached to the upper end of a drill string and drive it during a drilling operation is described.
171
Patent
Apparatus and methods for tubular makeup interlock
David Michael Haugen
- 08 May 2002
TL;DR: In this paper, an apparatus and methods to prevent an operator from inadvertently dropping a string (210) into a wellbore during assembling and disassembling of tubulars are presented.
156
Patent
Mechanized stand handling apparatus for drilling rigs
Paul S. Putnam,Charles F. Cowgill,Frank J. Di Bella +2 more
- 05 Jun 1979
TL;DR: In this paper, a hydraulically mechanized "Derrickman" and "Derricks Floor Hand" and associated fingerboard lock bars are adapted to remote control in the placement of drill collar and pipe stands in a derrick, both in alignment with the rotary table and fully placed within the racking fingers.
146
Patent
Apparatus for facilitating the connection of tubulars using a top drive
Bernd-Georg Pietras
- 27 Sep 1999
TL;DR: An apparatus for facilitating the connection of tubulars using a top drive is described in this paper, which comprises a body (2, 102) connectable to said top drive, said body comprising at least one gripping element (5, 105) radially displaceable by hydraulic or pneumatic fluid to drivingly engage a tubular (30, 110) to permit a screw connection between said tubular and a further tubular to be tightened to the required torque.
137
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