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

Vertical fracture control

Patent ·
OSTI ID:5564585
A fracturing fluid which is used to control vertical fractures includes a material responsive within the formation to form a precipitate of a greater density than the fracturing fluid so that the precipitate tends to settle to the lower part of the fracture. A fracturing fluid containing sulfuric acid is injected into a calcareous formation wherein a precipitate of calcium sulfate is formed which in turn settles to the lower part of the fracture. (11 claims)
Assignee:
Mobil Oil Corp.
Patent Number(s):
US 3428129
OSTI ID:
5564585
Country of Publication:
United States
Language:
English