Mark Identification

CEI

Serial Number

75223910

Filing Date

Jan 10, 1997

Registration Date

Nov 24, 1998

Trademark by

SCHLUMBERGER TECHNOLOGY CORPORATION

Classification Information

technical consulting and analysis provided to oil and gas exploration and production companies for quantifying and comparing well completion methods for new oil and gas wells or for old oil and gas wells which have been stimulated, using monthly well production data and reservoir rock property data

Computer and Scientific