Inventor

PELLEY SAMUEL D

US2 patents

Patents

2 patents

US5604186AFeb 18, 1997

Encapsulated enzyme breaker and method for use in treating subterranean formations

HALLIBURTON CO340 citations97

US5386874AFeb 7, 1995

Perphosphate viscosity breakers in well fracture fluids

HALLIBURTON CO277 citations97