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METHOD AND COMPOSITION FOR CEMENTING OIL WELL CASING
US 3,499,491 A
Filed
: 06/28/1968
Issued
: 03/10/1970
Est. Priority Date
: 06/28/1968
Status: Expired due to Term
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Current Assignee
MI Drilling Fluids Company Houston TX A TX General Partnership
Original Assignee
Dyke Orien Van
,
Reece E. Wyant
Inventors
Wyant, Reece E.
,
DYKE ORIEN VAN
Application Number
US04/741,198
Time in Patent Office
620 Days
Field of Search
US Class Current
166/292
CPC Class Codes
C04B 14/10
Clay sepiolite C04B14/042; ...
C04B 14/14
Minerals of vulcanic origin...
C04B 22/06
Oxides, Hydroxides C04B22/0...
C04B 22/08
Acids or salts thereof C04B...
C04B 24/18
Lignin sulfonic acid or der...
C04B 24/24
Macromolecular compounds C0...
C04B 28/26
Silicates of the alkali metals
C04B 7/02
Portland cement
C09K 8/203
Wood derivatives, e.g. lign...
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