Setting retarding composition for well cementing and recementing
Patent
·
OSTI ID:6187262
The present invention relates to an improved composition that retards setting in the cementing and recementing of oil well casings, which can be applied at depths that vary between 13,123.4 and 21,325.5 ft. The retarding composition is constituted by the following ingredients: sodium or potassium carboxymethylcellulose; sodium tetraborate and Dextrine, it being characterized in that it also contains an inorganic acid such as boric acid.
- Assignee:
- Instituto Mexicano del Petroleo
- Patent Number(s):
- US 4137093
- OSTI ID:
- 6187262
- Resource Relation:
- Patent Priority Date: Priority date 26 Jul 1976, Mexico
- Country of Publication:
- United States
- Language:
- English
Similar Records
High temperature set retarded well cement compositions and methods
Set retarded cement compositions and methods for well cementing
Set retarded cement compositions and methods for well cementing
Patent
·
Tue Mar 05 00:00:00 EST 1991
·
OSTI ID:6187262
Set retarded cement compositions and methods for well cementing
Patent
·
Tue Sep 17 00:00:00 EDT 1991
·
OSTI ID:6187262
Set retarded cement compositions and methods for well cementing
Patent
·
Tue Jul 17 00:00:00 EDT 1990
·
OSTI ID:6187262
Related Subjects
02 PETROLEUM
OIL WELLS
WELL CASINGS
WELL COMPLETION
BORATES
BORIC ACID
CELLULOSE ESTERS
CEMENTS
DEPTH
INORGANIC ACIDS
SODIUM COMPOUNDS
ALKALI METAL COMPOUNDS
BUILDING MATERIALS
DIMENSIONS
ESTERS
HYDROGEN COMPOUNDS
MATERIALS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
WELLS
020300* - Petroleum- Drilling & Production
OIL WELLS
WELL CASINGS
WELL COMPLETION
BORATES
BORIC ACID
CELLULOSE ESTERS
CEMENTS
DEPTH
INORGANIC ACIDS
SODIUM COMPOUNDS
ALKALI METAL COMPOUNDS
BUILDING MATERIALS
DIMENSIONS
ESTERS
HYDROGEN COMPOUNDS
MATERIALS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
WELLS
020300* - Petroleum- Drilling & Production