1
Joseph Varkey, Anil Singh, Byong Jun Kim, Vladimir Hernandez, Shannon Nimchan, Dan Tabalan: High strength-to-weight-ratio slickline and multiline cables. Schlumberger Technology Corporation, Michael Flynn, David Cate, Jaime Castano, October 13, 2009: US07603011 (39 worldwide citation)

Slickline cables and methods for preparing such cables are disclosed. A slickline cable includes a pre-manufactured polymer composite rod having a channel therein; an optical fiber disposed in the channel; a fastener securing the optical fiber in the channel, wherein the fastener is selected from th ...


2
Joseph P Varkey, Byong Jun Kim: Methods of manufacturing enhanced electrical cables. Schlumberger Technology, David Cote, Tim Curington, Bill Batzer, March 13, 2007: US07188406 (27 worldwide citation)

Disclosed are methods of manufacturing electrical cables. In one embodiment of the invention, method for manufacturing a wellbore cable includes providing at least one insulated conductor, extruding a first polymeric material layer over the insulated conductor, serving a first layer of armor wires a ...


3
Joseph Varkey, Byong Jun Kim, Garud Sridhar, Noor Sait, Wayne Fulin: Enhanced wellbore electrical cables. Schlumberger Technology Corporation, Michael Flynn, David Cate, Jaime Castano, September 8, 2009: US07586042 (17 worldwide citation)

A method of preparing a cable comprises extruding first layer of polymeric material upon at least one insulated conductor; serving a first layer of armor wires upon the polymeric material; softening the polymeric material to partially embed armor wires; extruding a second layer of polymeric material ...


4
Joseph P Varkey, Byong Jun Kim, Willem A Wijnberg, Faisal Arif, Anil Singh, Jeffrey Arnaud, John Cuong Nguyen: Electrical cables. Schlumberger Technology Corporation, David Cate, Jaime Castano, Dale Gaudier, October 30, 2007: US07288721 (13 worldwide citation)

Disclosed are durable corrosion resistant wellbore electrical cables including a coated electrical conductor, a polymeric protective layer for trapping coating flakes, a first insulating jacket disposed adjacent to the polymeric protective layer and having a first relative permittivity. A second ins ...


5
Joseph Varkey, Byong Jun Kim, Garud Sridhar, Noor Sait, Wayne Fulin: Enhanced wellbore electrical cables. Schlumberger Technology Corporation, Michael L Flynn, Jody DeStefanis, Charlotte Rutherford, July 24, 2012: US08227697 (9 worldwide citation)

Wellbore electrical cables include at least one insulated conductor, at least one layer of armor wires surrounding the insulated conductor, and a polymeric material disposed in the interstitial spaces formed between armor wires and interstitial spaces formed between the armor wire layer and insulate ...


6
Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin, Noor F Sait, Matthew Billingham, Andrea Sbordone: Methods of using enhanced wellbore electrical cables. Schlumberger Technology Corporation, Michael Flynn, Jody Lynn DeStefanis, Charlotte Rutherford, April 9, 2013: US08413723 (7 worldwide citation)

An embodiment of a method of deploying a cable into a wellbore penetrating a subterranean formation comprises providing a cable, wherein the cable comprises at least one insulated conductor, at least one armor wire layer surrounding the insulated conductor, a polymeric material disposed in interstit ...


7
James L White, Byong Jun Kim: Block copolymers of lactone and lactam, compatabilizing agents, and compatibilized polymer blends. University of Akron, Hudak Shunk & Farine Co, December 28, 2004: US06835774 (6 worldwide citation)

This invention relates to high molecular weight block copolymers of &egr;-caprolactone and &ohgr;-lauryl lactam prepared by sequential bulk polymerization using a mixture of at least one anionic polymerization initiator and optionally at least one co-initiator. A preferred continuous sequential bulk ...


8
Joseph Varkey, Vladimir Hernandez Solis, Surya Simanjuntak, Vadim Protasov, Byong Jun Kim, Jushik Yun, Jose Ramon Lozano Gendreau: Dual conductor fiber optic cable. Schlumberger Technology Corporation, Michael L Flynn, David Hofman, Jody Lynn Destefonis, March 22, 2011: US07912333 (5 worldwide citation)

A powered fiber optic cable for use in a hydrocarbon well of extensive depth and/or deviation. The cable may couple to a downhole tool for deployment to well locations of over 30,000 feet in depth while maintaining effective surface communication and powering of the tool. The cable may be configured ...


9
Joseph Varkey, Byong Jun Kim, Garud Sridhar, Wayne Fulin, Noor F Sait, Matthew Billingham, Andrea Sbordone: Methods of using enhanced wellbore electrical cables. Schlumberger Technology Corporation, Trevor Grove, Jody Lynn DeStefanis, Cathy Hewitt, August 19, 2014: US08807225 (4 worldwide citation)

An embodiment of a method of deploying a cable into a wellbore penetrating a subterranean formation comprises providing a cable, wherein the cable comprises at least one insulated conductor, at least one armor wire layer surrounding the insulated conductor, a polymeric material disposed in interstit ...


10
Joseph Varkey, Byong Jun Kim, Pete Howard: Motor winding wire for a hydrocarbon application. Schlumberger Technology Corporation, Kevin B McGoff, Rodney Warfford, May 11, 2010: US07714231 (4 worldwide citation)

A motor winding wire. The motor winding wire may be configured for use in, and direct exposure to, a hydrocarbon environment. The motor winding wire may be electrically insulated by one polymer layer, whereas another, outer, polymer layer is employed to provide moisture resistance as well as other c ...