1
H Bernie Luft, Graham Wilde, Peter J Pelensky: Insulated and/or concentric coiled tubing. BJ Services Company U, Nowsco Well Service, Sue Z Butler & Binion L Shaper, January 18, 2000: US06015015 (351 worldwide citation)

A coiled tubing composite comprising insulated coiled tubing, concentric coiled tubing and insulated concentric coil tubing, including structure with centralizers and providing an annulus for insulation. The invention includes a method for assembling concentric coiled tubing, with insulation, and ap ...


2
Ben I Nzekwu, Peter D Sametz, Peter J Pelensky: Single horizontal wellbore gravity drainage assisted steam flooding process. Elan Energy, Schwegman Lundberg Woessner & Kluth P A, May 6, 1997: US05626193 (27 worldwide citation)

Disclosed is a gravity-drainage assisted steam flooding process for the recovery of all from thin viscous heavy oil reservoirs using a single horizontal wellbore. Steam is injected through a fully or partially insulated tubing to exit at or near the toe of a long horizontal well penetrating a viscou ...