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

Use of oil-wetting spacers in cementing against evaporites

Patent ·
OSTI ID:6540756
This specification discloses a method of cementing pipe in a well and discloses the use of a designed oil-wetting liquid and cement slurry for cementing pipe against evaporite sections penetrated by the well. The cement slurry is formulated from hydraulic cement, silica flour, ionization control agent, sodium chloride, weighting agent, dispersing and retarding agent, and water and has a density within the range of about 15.8 to 21.0 pounds per gallon.
Assignee:
Mobil Oil Corp.
Patent Number(s):
US 4124075
OSTI ID:
6540756
Country of Publication:
United States
Language:
English

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