CALFRAC
Mark Identification

CALFRAC

Serial Number

76238195

Filing Date

Apr 9, 2001

Registration Date

Dec 9, 2003

Trademark by

CALFRAC WELL SERVICES LTD.

Active Trademark

Classification Information

Acidizing fluids, namely, hydrochloric acid, hydrofluoric acid and any of these acids blended with one or more of inhibitors, demulsifiers and surfactants for use in oil and gas well stimulation; fracturing fluids, namely, gellants, water, oil, alcohol, nitrogen and carbon dioxide, and any of these fluids blended with one or more inhibitors, demulsifiers, surfactants and proppants for high pressure fracture treatments in oil and gas wells

Chemicals

Oil and gas well coiled tubing installation

Building Construction and Repair

Oil and gas well fracturing and stimulation services using gellants, acids, nitrogen, carbon dioxide and proppants

Treatment of Materials

Chemist services in the field of oil and gas well fracturing and acidizing; and engineering services in the field of oil and gas well fracturing, acidizing and coiled tubing services

Computer and Scientific