1
Igor Krasnov: Pipe handling apparatus and method. Vetco Gray, James E Bradley, December 20, 1988: US04791997 (100 worldwide citation)

A pipe handling apparatus for a drilling rig is mounted on the rig floor. The drilling rig has a top drive with a power drive stem. Elevators are suspended below the drive stem. The lifting member has a supporting arm to receive the bottom of a stand of drill pipe lifted by the elevators. A stabiliz ...


2
Ronald S Sorokan: Tubular handling system. Dreco Energy Services, John Russell Uren, April 24, 2001: US06220807 (71 worldwide citation)

Pipe handling apparatus to move tubulars from a horizontal position on a piperack adjacent a well bore to a vertical position over the wall center or mousehole. A bicep arm assembly is pivotally connected to a base plate. A forearm assembly is pivotally attached to the distant end of the bicep arm a ...


3
Brown Cicero C: Automated pipe handling apparatus. July 31, 1973: US3748702 (64 worldwide citation)

An apparatus in which gripping members are moved hydraulically to grip and release a well pipe. The apparatus may be employed to hold the pipe vertically, to impart a rotary motion to the pipe or to serve as a back-up preventing rotary motion of the pipe. Camming and wedging surfaces are provided to ...


4
Faustyn C Langowski: Pipe gripping head. BJ Hughes, Robert A Felsman, December 8, 1981: US04304433 (61 worldwide citation)

A pipe gripping head especially suitable for use with pipe handling apparatus in earth drilling operations. The pipe gripping head includes a pair of jaws operably pivotable between an open and a closed locked position which does not rely on pneumatic or hydraulic pressure to maintain the jaws in th ...


5
Per Slettedal: Pipe handling apparatus. Maritime Hydraulics, Cushman Darby & Cushman, April 18, 1989: US04822230 (60 worldwide citation)

A pipe handling apparatus is disclosed, which is adapted for automated drilling operations. Drill pipes are manipulated between substantially horizontal and vertical positions, and the apparatus is used with a top mounted drilling device which is rotatable about a substantially horizontal axis. The ...


6
Royse I Luth: Pipe handling apparatus. Weatherford Lamb, Vaden Eickenroht Thompson & Boulware, August 4, 1987: US04684314 (49 worldwide citation)

A pipe handling apparatus is adapted for transferring oil well pipe to and from a drilling rig. The apparatus includes a transportable chassis having tracks for supporting and guiding a reciprocable and rotatable table. A first scissors lift mounted to the table provides vertical motion to a platfor ...


7
Homer J Woolslayer, Cecil Jenkins: Pipe handling apparatus for oil well drilling derrick. Lee C Moore Corporation, Brown Murray Flick & Peckham, October 19, 1976: US03986619 (43 worldwide citation)

The inner end of a boom is pivotally supported on a horizontal axis in front of a well, over which there is an oil well drilling derrick. Pivotally connected to the outer end of the boom on an axis parallel to the axis just mentioned, is clamping means for gripping drill pipe connected at one end to ...


8
Cecil Jenkins: Floor level pipe handling apparatus. Lee C Moore Corporation, Brown Flick & Peckham, October 30, 1979: US04172684 (42 worldwide citation)

Mounted on the floor of an oil well derrick substructure is a support that is rockable on an axis perpendicular to the centerline of a well being drilled beneath the substructure. One end of an arm is pivotally mounted on the support on an axis transverse to the first mentioned axis, while the oppos ...


9
Minoru Koga, Toshio Kizawa, Toshio Hirose: Pipe handling apparatus for oil drilling operations. Ishikawajima Harima Jukogyo Kabushiki Kaisha, September 9, 1986: US04610315 (40 worldwide citation)

This invention relates to a pipe handling apparatus for oil drilling operations, which is designed so as to handle simply without errors the pipes used for oil drilling operations, and which is provided with a pipe transfer unit for transferring a pipe mechanically between a pipe storage space and t ...


10
Thorsten Dirks: Drilling device and method for drilling a well. Bentec Drilling & Oilfield Systems, Cohen Pontani Lieberman & Pavane, June 24, 2003: US06581698 (39 worldwide citation)

A drilling machine for a drilling rig and a drilling rig which can be used for exploratory drillings and producing wells, particularly in hydrocarbon deposits, both onshore and offshore. The drilling machine includes a base, on or in which a top drive is displaceable axially to the longitudinal axis ...