Drilling fluids comprising sized graphite particles

Details Drilling fluids comprising sized graphite particles Drilling fluids comprising sized graphite particles

2006-08-08

2006-08-08

Gulakowski, Randy (Department: 1712)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains inorganic component other than water or clay

C166S305100, C175S065000, C428S402000

Reexamination Certificate

active

07087555

ABSTRACT:
Drilling fluid systems, graphite particle mixtures, and methods for use thereof including: (a) drilling fluid systems having effective rheology and lubricity properties comprising a suspension of graphite particles having a particle size distribution sufficient to permit greater than 65 wt. % of the graphite particles to pass through a shaker screen having a mesh size of about 80 or less; and (b) spotting fluids having effective rheology comprising graphite particles having an average particle size of 120 mesh or greater.

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patent: WO 02/22759 (2002-03-01), None
Conversion of MESH to aperture (mm), VWR Chromatography, http://www.chromatography.co.uk/TECHNIQS/Other/Mesh.htm, 2000, '01, '02.

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