Process fluid

Details Process fluid Process fluid

2008-03-04

2008-03-04

Peng, Kuo-Liang (Department: 1796)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains inorganic component other than water or clay

C507S269000

Reexamination Certificate

active

07338922

ABSTRACT:
A water-based, shear-thinning process fluid comprises bentonite, aluminium hydroxide particles, and salt. The median diameter (by weight) of the aluminium hydroxide particles does not exceed 2 μm.

REFERENCES:
patent: 4048077 (1977-09-01), Engelhardt et al.
patent: 4230586 (1980-10-01), Bretz et al.
patent: 4240915 (1980-12-01), Block
patent: 4349443 (1982-09-01), Block
patent: 4389319 (1983-06-01), Block et al.
patent: 4431550 (1984-02-01), Block
patent: 4447341 (1984-05-01), Block
patent: 4486318 (1984-12-01), Green et al.
patent: 4592855 (1986-06-01), Gioffre et al.
patent: 4675119 (1987-06-01), Farrar et al.
patent: 4680128 (1987-07-01), Portnoy
patent: 4990268 (1991-02-01), Burba, III et al.
patent: 5232627 (1993-08-01), Burba, III et al.
patent: 5532212 (1996-07-01), Patel
patent: 5663122 (1997-09-01), Mueller et al.
patent: 6025303 (2000-02-01), Keilhofer et al.
Buining et al., “Preparation of Colloidal Boehmite Needles by Hydrothermal Treatment of Aluminum Alkoxide Precursors”, J. Amer. Ceram, Soc., vol. 74, No. 6, 1991, pp. 1303-1307.
Philipse et al., “Isotropic and Birefringent Dispersions of Surface Modified Silica Rods With a Boehmite-Needle Core”, Langmuir, vol. 10, 1994, pp. 4451-4458.
van der Kooij et al., “Formation of Nematic Liquid Crystals in Suspensions of Hard Colloidal Platelets”, J. Phys. Chem. B, vol. 102, 1998, pp. 7829-7832.
Wierenga et al., “Aqueous Dispersions of Colloidal Gibbsite Platelets: Synthesis, Characterisation and Intrinsic Viscosity Measurements”, Colloids and Surfaces A, vol. 134, 1998, pp. 359-371.

Affiliated with

Also associated with

Rating

Process fluid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process fluid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process fluid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2810058