Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Patent
1991-04-11
1992-06-23
Stoll, Robert L.
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
530500, 530506, 507108, C09K 702
Patent
active
051243121
ABSTRACT:
The present invention relates to drilling fluid additives, more particularly to superior drilling fluid thinners or polyfunctional drilling fluid conditioners, and methods of their preparation. The thinners comprise chelates and complexes prepared by reaction of sulfonitrohumic acid and sulfolignin with compounds of elements of Groups IVB and VIII of the periodic table, and especially titanium zirconium iron sulfolignin sulfonitrohumates, as well as mixture formed in the reaction. These chelates are stable, and are readily binded with clay and have a good heat resistance. The thinners of the present invention can remarkably reduce viscosity, yield point, gel strength and water loss of well-drilling fluids, and have a high salts and calcium resistivity, and can be widely used in extracting and exploiting petroleum, natural gas, geothermal fluids and underground water.
REFERENCES:
patent: 3091588 (1963-05-01), Bishop
patent: 3232925 (1966-02-01), King et al.
patent: 3278425 (1966-10-01), King et al.
patent: 3544460 (1970-12-01), Markham et al.
patent: 3700728 (1972-10-01), Moschopedis et al.
patent: 4220585 (1980-09-01), Javora et al.
patent: 4447339 (1984-05-01), Detroit
patent: 4561986 (1985-12-01), Villa et al.
patent: 4572789 (1986-02-01), Uemura et al.
patent: 4594169 (1986-06-01), Saito et al.
patent: 4704214 (1987-11-01), Russell et al.
patent: 4728727 (1988-03-01), Reintjes et al.
Sayala C.
Stoll Robert L.
LandOfFree
Drilling fluid thinners does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Drilling fluid thinners, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling fluid thinners will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-932883