78358870
Jan 28, 2004
Sep 19, 2006
Chemical drilling fluids for use in subterranean wells, namely, drilling muds, completion fluids, workover fluids and wellbore fluids; chemical products for use with drilling fluids, chemical additives for use with drilling fluids; drilling muds and chemical drilling fluids
ChemicalsSubterranean well drilling services, namely, technical advice on drilling fluids and drilling fluid use, and advice on data control, products control, and pressure control
Building Construction and RepairSubterranean well testing services for use in connection with subterranean well drilling operations; Engineering services in connection with the selection and us of specialized equipment for subterranean well drilling operations
Computer and Scientific