US PATENT SUBCLASS 507 / 922
FRACTURE FLUID

Current as of: June, 1999
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507 /   HD   EARTH BORING, WELL TREATING, AND OIL FIELD CHEMISTRY

922FRACTURE FLUID {2}
923  DF  .~> Fracture acidizing
924  DF  .~> With specified propping feature

DEFINITION

Classification: 507/922

FRACTURE FLUID:

Subject matter wherein the well treating composition is intended to be injected under sufficient pressure to create fractures or fissures in the well walls.