Featured patents

Differential Shifting Tool and Method of Shifting
US 08820418 B2, Sept. 2, 2014, Providing support for well part, Raymond A. Hofman et al.
A shifting tool for use in a hydrocarbon production well, the shifting tool…

Positive Locked Slim Hole Suspension and Sealing System With Single Trip Deployment and Retrievable Tool
US 08807229 B2, Aug. 19, 2014, Above ground parts, Ken M. Reed et al. / Cameron International Corporation (Houston, US)
A tool for installing a mandrel in a wellhead assembly, comprising:…

Apparatuses and Methods for Closing and Reopening a Pipe
US 08826990 B2, Sept. 9, 2014, Including disaster feature, Leon A. Botich / Deep Sea Innovations, LLC (Monee, US)
A method for installing a pipe closing apparatus in an oil well rig system…

Self-Adaptive Cements
US 08800656 B2, Aug. 12, 2014, Cement or consolidating material contains inorganic water settable and organic ingredients, Laure Martin et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method for cementing a subterreanean well in which a borehole penetrates one…

Method and Apparatus to Perform Subsea or Surface Jacking
US 08863846 B2, Oct. 21, 2014, Connection or disconnection of submerged members remotely controlled, J. E. Skip Ward et al. / Cudd Pressure Control, Inc. (Houston, US)
A jack system comprising:…

Dual Path Subsea Control System
US 08708054 B2, April 29, 2014, Wellhead, Terrell Eugene Dailey, Jr. / Schlumberger Technology Corporation (Sugar Land, US)
A subsea wellhead control system, comprising:…

Push / Pull System and Support Structure for Snubbing Unit on a Rig Floor
US 08640767 B2, Feb. 4, 2014, Piston and cylinder, Brian Tucken / Team Snubbing Services Inc. (Rocky Mountain House, Alberta, CA)
A support structure for use on a rig floor and for supporting a unit…

Swellable Downhole Apparatus and Support Assembly
US 08561689 B2, Oct. 22, 2013, Packers or Plugs, Brian Nutley et al. / Swelltec Limited (Dyce, Aberdeen, GB)
A downhole apparatus comprising:…

Modular Backup Fluid Supply System
US 08485260 B2, July 16, 2013, Connection to provide fluid flow path, Steve Donohue et al. / Transocean Offshore Deepwater Drilling (Houston, US)
A method, comprising:…

Subterranean Well Ultra-Short Slip and Packing Element System
US 08459347 B2, June 11, 2013, Wedge or cam and friction drag, Gregg W. Stout / Oiltool Engineering Services, Inc. (Willis, US)
A packer device for a well comprising:…

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