1
Timothy Edward Lagrange, Andrew Antoine Buzinsky, David O Carlson: Downhole shock absorber. Core Laboratories Canada, Computalog, Bennett Jones, July 2, 2002: US06412614 (32 worldwide citation)

A shock absorber for damping shock energy generated by downhole perforating guns or stimulation devices is described. The shock absorber includes a spring assembly including at least a first spring and a second spring, the first spring having a tension greater than the second spring; a damper assemb ...


2
Wei Jake Xu, Albert C Odell II, Simon J Harrall, Thomas M Redlinger, Christopher M Vreeland, Andrew Antoine, David J Brunnert, Tommy L Laird, Michael J Moody, Frederick T Tilton: Extendable cutting tools for use in a wellbore. Weatherford Lamb, Patterson & Sheridan L, September 24, 2013: US08540035 (24 worldwide citation)

Embodiments of the present invention generally relate to extendable cutting tools for use in a wellbore. In one embodiment, a tool for use in a wellbore includes a tubular body having a bore therethrough, an opening through a wall thereof, and a connector at each longitudinal end thereof; and an arm ...


3
Richard Segura, Thomas Bailey, David J Brunnert, Ram K Bansal, Andrew Antoine: Section mill and method for abandoning a wellbore. Weatherford Technology Holdings, Patterson & Sheridan L, May 5, 2015: US09022117 (6 worldwide citation)

A method for milling a tubular cemented in a wellbore includes deploying a bottomhole assembly (BHA) into the wellbore through the tubular, the BHA comprising a window mill; and extending arms of the window mill and radially cutting through the tubular, thereby forming a window through the tubular, ...


4
Thomas M Redlinger, Andrew Antoine, My Le, Richard J Segura: Methods and apparatus for subsea well intervention and subsea wellhead retrieval. Weatherford Lamb, Patterson & Sheridan L, November 13, 2012: US08307903 (5 worldwide citation)

The present invention generally relates to methods and apparatus for subsea well intervention operations, including retrieval of a wellhead from a subsea well. In one aspect, a method of performing an operation in a subsea well is provided. The method comprising the step of positioning a tool proxim ...


5
Thomas M Redlinger, Thomas Koithan, Christopher M Vreeland, Wesley Don Heiskell, Andrew Antoine, Scott McIntire: Signal operated tools for milling, drilling, and/or fishing operations. Weatherford Technology Holdings, Patterson & Sheridan L, March 31, 2015: US08991489 (2 worldwide citation)

A mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock is operable to: rotationally couple the rotor to the stator in a locked position, receive an instruction ...


6
Thomas M Redlinger, Andrew Antoine, My Le, Richard J Segura: Methods and apparatus for subsea well intervention and subsea wellhead retrieval. Weatherford Lamb, Patterson & Sheridan, March 4, 2014: US08662182 (2 worldwide citation)

The present invention generally relates to methods and apparatus for subsea well intervention operations, including retrieval of a wellhead from a subsea well. In one aspect, a method of performing an operation in a subsea well is provided. The method comprising the step of positioning a tool proxim ...


7
Thomas M Redlinger, Thomas Koithan, Christopher M Vreeland, Wesley Don Heiskell, Andrew Antoine, Scott McIntire: Signal operated drilling tools for milling, drilling, and/or fishing operations. WEATHERFORD TECHNOLOGY HOLDINGS, Patterson Sheridan, December 4, 2018: US10145196

A mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock is operable to: rotationally couple the rotor to the stator in a locked position, receive an instruction ...


8
Richard Segura, Thomas Bailey, David J Brunnert, Ram K Bansal, Andrew Antoine: Section mill and method for abandoning a wellbore. Weatherford Technology Holdings, Patterson & Sheridan L, July 3, 2018: US10012048

A method for milling a tubular cemented in a wellbore includes deploying a bottomhole assembly (BHA) into the wellbore through the tubular, the BHA comprising a window mill; and extending arms of the window mill and radially cutting through the tubular, thereby forming a window through the tubular, ...


9
Richard Segura, Thomas Bailey, David J Brunnert, Ram K Bansal, Andrew Antoine: Section Mill and Method for Abandoning a Wellbore. September 15, 2011: US20110220357-A1

A method for milling a tubular cemented in a wellbore includes deploying a bottomhole assembly (BHA) into the wellbore through the tubular, the BHA comprising a window mill; and extending arms of the window mill and radially cutting through the tubular, thereby forming a window through the tubular, ...


10
Wei Jake Xu, Albert C Odell II, Simon J Harrall, Thomas M Redlinger, Christopher M Vreeland, Andrew Antoine, David J Brunnert, Tommy L Laird, Michael J Moody, Frederick T Tilton: Extendable cutting tools for use in a wellbore. Patterson & Sheridan, April 15, 2010: US20100089583-A1

Embodiments of the present invention generally relate to extendable cutting tools for use in a wellbore. In one embodiment, a tool for use in a wellbore includes a tubular body having a bore therethrough, an opening through a wall thereof, and a connector at each longitudinal end thereof; and an arm ...