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U.S. Department of Energy
Office of Scientific and Technical Information

Method for cementing well pipe

Patent ·
OSTI ID:6685901
A method for displacing drilling mud from the annular space surrounding well pipe or pipes arranged in a well bore more efficiently when cementing those pipes in the well bore. The method employs a cement slurry containing large particles in the amount of at least about 20 and preferably about 30 pounds per sack of cement.
Assignee:
Exxon Production Research Co.
Patent Number(s):
US 4090561
OSTI ID:
6685901
Country of Publication:
United States
Language:
English