1
Roger J Card, Jean Pierre Feraud, Paul R Howard: Control of particulate flowback in subterranean wells. Dowell a Division of Schlumberger Technology, John E Vick Jr, August 8, 1995: US05439055 (312 worldwide citation)

The addition of fibrous materials in intimate mixture with particulates for fracturing and gravel packing decreases or eliminates the flowback of proppant and/or formation fines while stabilizing the sand pack and lowering the demand for high polymer loadings in the placement fluids. Preferred fiber ...


2
Roger J Card, Paul R Howard, Jean Pierre Feraud, Vernon G Constien: Control of particulate flowback in subterranean wells. Dowell a division of Schlumberger Technology Corporation, John E Vick Jr, March 26, 1996: US05501275 (273 worldwide citation)

The addition of fibrous mixtures in intimate mixtures with particulates for fracturing and gravel packing decreases or eliminates the undesirable flowback of proppant or formation fines while stabilizing the sand pack and lowering the demand for high polymer loadings in the placement fluids. Fibers ...


3
William D Norman, Raymond J Jasinski, Erik B Nelson: Hydraulic fracturing process and compositions. Dowell a division of Schlumberger Technology Corporation, John E Vick Jr, September 3, 1996: US05551516 (269 worldwide citation)

Viscoelastic surfactant based aqueous fluid systems are described that are useful in fracturing subterranean formations penetrated by a wellbore. The preferred thickening agents are quaternary ammonium halide salts derived from certain waxes, fats and oils. The thickening agent is used in conjunctio ...


4
Pierre Maroy, Jean Francois Baret: Fluids for oilfield use having high-solids content. Dowell a division of Schlumberger Technology Corporation, John E Vick Jr, May 21, 1996: US05518996 (160 worldwide citation)

The particulate phase of fluids according to the present invention comprises particles which have specifically adapted size ranges or granulometries. All the essential properties of fluids and their cost are very clearly improved. The technique may be applied to all well operations in oil wells or t ...


5
Gilbert Lavaure, Jason Jonas, Bernard Piot: Wiper plug launching system for cementing casing and liners. Schlumberger Technology Corporation, John E Vick Jr, Douglas Y Barbo, April 6, 1999: US05890537 (138 worldwide citation)

A wiper plug launching tool includes a body arranged to be lowered into a liner on a running string, the body having a tubular upper portion and a cylindrical lower portion, upper and lower wiper plugs loaded into the lower portion, each of the plugs having upwardly facing elastomer cups that are re ...


6
Bart Thomeer, Robert Sorem: Composite coiled tubing apparatus and methods. Dowell A Division of Schlumberger Technology Corporation, John E Vick Jr, October 27, 1998: US05828003 (138 worldwide citation)

Products and methods relating to composite materials and their use in coiled tubing is disclosed. The composite tubing is a pressurized structure for conveying fluids downhole in a wellbore. It has a multilayered laminate that resists buckling within the wellbore and is fabricated into a hollow tube ...


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Simon Gareth James, Paul Richard Howard: Suspension and porous pack for reduction of particles in subterranean well fluids, and method for treating an underground formation. Schlumberger Technology Corporation, John E Vick Jr, July 21, 1998: US05782300 (117 worldwide citation)

The addition of specific fibrous, platelet, and/or fibrous and platelet compositions in mixtures with particulates for or during well treatment procedures such as fracturing and gravel packing decreases or eliminates the undesirable transport or flowback of proppant or formation particulates. Novolo ...


9
Erik B Nelson, J Ernest Brown, Roger J Card: Sand control without requiring a gravel pack screen. Dowell a division of Schlumberger Technology, John E Vick Jr, September 3, 1996: US05551514 (99 worldwide citation)

A method combining resin consolidation and placement of fibrous material in intimate mixture with particulates provides a means of stabilizing a formation respect to sand production while enhancing well productivity without requiring a gravel pack screen.


10
Vernon G Constien: Overbalanced perforating and fracturing process using low-density, neutrally buoyant proppant. Dowell a division of Schlumberger Technology Corporation, John E Vick Jr, December 10, 1996: US05582250 (91 worldwide citation)

The present process permits the use of more efficient, low viscosity fluids to efficiently perforate and fracture a subterranean formation in an overbalanced condition in the wellbore. In accordance with the invention, a method of decreasing the resistance to fluid flow in a subterranean formation a ...