1
Joseph Varkey, Ravicharan Mydur, Noor Sait, Willem Wijnberg, Sumitra Kunathikom, Monica Darpi: Optical fiber cables for wellbore applications. Schlumberger Technology Corporation, David Cate, Michael Flynn, Jaime Castano, January 29, 2008: US07324730 (78 worldwide citation)

A cable which includes conductor bundles prepared from at least one optical fiber positioned either centrally or helically about the center axis of the bundle, metallic conductors helically positioned around the bundles center axis, and a polymeric insulation material. A method of making a cable inc ...


2
Joseph Varkey, Sheng Chang, Burcu Unal Altintas, Willem Wijnberg, Qingdi Huang, Jushik Yun: Cables and methods of making cables. SCHLUMBERGER TECHNOLOGY CORPORATION, Trevor G Grove, September 19, 2017: US09767938

A cable that include a hose having a conductor located thereabout. A first strength member layer is located about the conductor. A second strength member layer is located about the first strength member layer. A first jacket is located about the second strength member layer. The first jacket is fibe ...


3
Joseph Varkey, Sheng Chang, Burcu Unal Altintas, Willem Wijnberg, Qingdi Huang: Downhole cables and methods of making the same. SCHLUMBERGER TECHNOLOGY CORPORATION, Trevor G Grove, January 2, 2018: US09859037

A downhole cable that has a cable core with an inner jacket located about it. The inner jacket has a shell located thereabout, and a pair of strength member layers surrounds the inner shell. Interstitial spaces of the strength member layers are filled with bonding layers. One of the strength member ...


4
Joseph Varkey, Ravicharan Mydur, Noor Sait, Willem Wijnberg, Sumitra Kunathikom, Monica Darpi: Optical fiber cables for wellbore applications. Schlumberger Conveyance And Delivery, March 2, 2006: US20060045442-A1

A cable which includes conductor bundles prepared from at least one optical fiber positioned either centrally or helically about the center axis of the bundle, metallic conductors helically positioned around the bundles center axis, and a polymeric insulation material. A method of making a cable inc ...


5
Joseph Varkey, Allan D Ross, Hifzi Ardic, Willem Wijnberg, Jushik Yun, Jose Ramon Lozano Gendreau: Permanent cable for submersible pumps in oil well applications. Schlumberger Technology Corporation, October 6, 2011: US20110240312-A1

A technique facilitates the employment of an electric submersible pumping system or other well system downhole into a wellbore. The electric motor system is coupled with a signal carrying cable for conveyance to a desired downhole location in the wellbore. The signal carrying cable is constructed wi ...