Title: Dry drilling fluid composition

Abstract: A dry powdered drilling fluid composition and method of use thereof prepared by mixing together under conditions of high shear a major portion of water and a minor portion of a hydrophobic silica.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Maxson, Orwin G. (Ponca City, OK, US)
Myers, George M. (Houston, TX, US)
Lescarboura, Jaime A. (Ponca City, OK, US)

Application Number: 331429
Filing Date: 1973-02-12
Publication_date: 1976-04-20
Assignee: Continental Oil Company (Ponca City, OK)
Primary Class(es): 507/127 166/275, 507/901, 516/81, 516/922
Other Classes:
US Patent Ref:

1873296	Aug, 1932	Cross	252/8.
2434674	Jan, 1948	Pincus	252/8.
2455188	Nov, 1948	Oxford	252/8.
3153450	Oct, 1964	Foster et al.	252/8.
3393155	Jul, 1968	Schutte et al.	252/316.

Other Refs: 713,211

Aug, 1954	UK

Primary Examiner: Sebastian, Leland A.
Assistant Examiner: Hunt, B. H.
Attorney: Collins; Richard W.