1
Roger J Card, Paul R Howard, Jean Pierre Feraud, Vernon G Constien: Control of particulate flowback in subterranean wells. Schlumberger Technolgy Corporation, Gordon G Waggett, Robin C Nava, January 9, 2001: US06172011 (208 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 ...


2
Haoshi Song, Jack F Lands Jr, Wallace E Voreck: Sealing well casings. Schlumberger Technology Corporation, Gordon G Waggett, John J Ryberg, John Bouchard, November 10, 1998: US05833001 (167 worldwide citation)

An apparatus and method for sealing an inner wall of a portion of a casing positioned in a well employs an inflatable sleeve having an outer surface and a conformable composite sleeve of curable composition extending around the outer surface of the inflatable sleeve. The inflatable sleeve is inflate ...


3
Claude J Vercaemer, Brian W E Darling: Method and apparatus for cementing a well. Schlumberger Technology Corporation, Gordon G Waggett, Robin C Nava, July 11, 2000: US06085838 (144 worldwide citation)

A method of cementing a well permitting a reduction in the degree of diameter reduction of casing or liners required, and not requiring excessively large initial conductor casing, is described. The method is characterized by provision of an enlarged wellbore and a novel liner structure which is adap ...


4
John Villar, Jean Francois Baret: Cementing slurry and method of designing a formulation. Schlumberger Technology Corporation, Gordon G Waggett, Robin C Nava, November 28, 2000: US06153562 (127 worldwide citation)

The present invention provides a cementing composition for an oil or analogous well, essentially constituted by a solid fraction suspended in a liquid medium. The solid fraction is constituted by a coarse fraction with a packing volume fraction .PHI..sub.1 which, according to the invention, is maxim ...


5
Bernard A Montaron: Method and apparatus for completing a well for producing hydrocarbons or the like. Schlumberger Technology Corporation, Gordon G Waggett, Robin C Nava, June 26, 2001: US06250385 (117 worldwide citation)

The invention relates to an expandable liner for completing a hole in an underground formation, the liner being constituted by a spiral-wound strip with the longitudinal edges of the strip having complementary touching profiles so that after it has been expanded, the liner is circular in section. Th ...


6
Bobby Dale Poe Jr: Oil and gas reservoir production analysis apparatus and method. Schlumberger Technology Corporation, Gordon G Waggett, Robin C Nava, August 8, 2000: US06101447 (111 worldwide citation)

A petroleum reservoir production modeling apparatus and method is disclosed which incorporates a complete (from reservoir to wellhead) production systems analysis system for the evaluation of petroleum reservoir production performance, using industry accepted techniques of analysis. A computer gener ...


7
Raymond J Tibbles, Mehmet Parlar, Frank F Chang, Diankui Fu, Jonathan Mark Davison, Elizabeth W A Morris, Antje M Wierenga, Palathinkara S Vinod: Fluids and techniques for hydrocarbon well completion. Schlumberger Technology Corporation, Gordon G Waggett, Robin C Nava, Douglas Y Barbo, October 31, 2000: US06140277 (87 worldwide citation)

The Invention relates to novel fluids and techniques to optimize/enhance the production of hydrocarbon from subterranean formations (e.g., "completion fluids"), in particular, fluids and techniques are disclosed and claimed which remove wellbore damage and near-wellbore damage in the form of coating ...


8
Dale E Meek, Vladimir Vaynshteyn: Multiple wellbore tool apparatus including a plurality of microprocessor implemented wellbore tools for operating a corresponding plurality of included wellbore tools and acoustic transducers in response to stimulus signals and acoustic signals. Schlumberger Technology Corporation, Gordon G Waggett, John H Bouchard, John J Ryberg, November 25, 1997: US05691712 (79 worldwide citation)

A multiple wellbore tool apparatus consisting of a plurality of microprocessor implemented wellbore tools is disposed in a fluid filled wellbore, and an input stimulus having a predetermined signature propagates down the wellbore fluid to all of the wellbore tools. The plurality of wellbore tools ea ...


9
Maarten de Hoop, Robert Burridge, Carl Peter Spencer: Method of processing seismic data. Schlumberger Technology Corporation, Gordon G Waggett, John J Ryberg, October 14, 1997: US05677893 (79 worldwide citation)

A method is provided for processing seismic data samples obtained from seismic signals propagating in an anisotropic medium. The data samples are associated with scattering angles and azimuth at each migration dip at each image point of the medium. An inverse operator is then applied to the samples ...


10
Maarten de Hoop, Robert Burridge, Carl Peter Spencer: Method of processing seismic data. Schlumberger Technology Corporation, Gordon G Waggett, John J Ryberg, John Bouchard, December 22, 1998: US05852588 (63 worldwide citation)

A method for determining the anisotropic properties of an unknown earth formation by means of seismic exploration includes generating seismic signals for propagation through the unknown formation. A range of seismic data samples generated by the propagation of the signals through the unknown formati ...