M I SWACO

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

Petroleum industry power-operated equipment for drilling fluid processing (solids control), namely, shakers, desanders, desilters, mud cleaners, centrifuges and fluids processing units, and pressure control equipment, namely, chokes, degassers, centrifugal degassers, H2S mud gas separators, dual mud gas separators for horizontal drilling, and total gas containment units

Petroleum industry equipment, namely, rig stabilization sensors, micro-processor controlled rig-floor monitors which monitor and display various drilling functions with alarms; electronic pit volume totalizers and return flow sensors; drilling recorders

Subterranean well drilling services, namely, technical advice on drilling fluids and drilling fluid use, and advice on data control, products control, and pressure control

Subterranean 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