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

Reducing the permeability of a rock formation

Patent ·
OSTI ID:6130675

A process is described for reducing the permeability of a subterranean formation traversed by a well bore which comprises introducing into the formation via the well bore a polymerizable material which remains constant in volume or expands on polymerization, the polymerizable material being selected from the group consisting of bicyclic lactones, bicyclic ortho esters and spiro orthocarbonates, and thereafter allowing such polymerization to take place.

Assignee:
Conoco Inc., Ponca City, OK
Patent Number(s):
US 4817721
OSTI ID:
6130675
Country of Publication:
United States
Language:
English