M-I Drilling Fluids L.L.C. ("M-I")

petroleum industry chemicals, namely, a drilling fluid for use in the oil and gas well drilling industry

computer software which displays material safety data sheets for communication of hazards of chemicals and protective measures primarily used by employees and customers in the oil and gas industry

petroleum industry chemicals for use in the oil and gas well drilling industry, namely, high temperature, water based drilling mud

petroleum industry chemicals for use in the oil and gas well drilling industry, namely, oil based drilling mud

oil well drilling services; "DRILLING FLUIDS"

water well drilling fluids product - primarily used in a stiff foam system or in a continuous foam system

water well drilling fluids additive used for plugging drilled holes and as a sealant

water well drilling fluids product - primarily used for mud stability, hole cleaning, lowering fluid loss, and preventing disintegration of clays and shales

water well drilling fluids additive used for plugging drilled holes and as a sealant

water well drilling fluids additive used to provide viscosity and shale stabilization

petroleum industry chemicals, namely a water based drill-in fluid for use in the oil and gas well drilling industry, primarily for drilling horizontal and high-angle wells

petroleum industry chemicals, namely a rheology additive for use in the oil and gas well drilling industry

computer software which displays real time or quasi-real time predictions of drilling fluids hydraulics; "HYDRAULICS"

computer software which displays real time or quasi-real time predictions of drilling fluids rheology; "RHEOLOGY"

petroleum industry chemicals, namely a synthetic liquid based drilling fluid for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a synthetic liquid based drilling fluid for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a hydration suppressant additive for drilling fluids for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a water based drilling fluid for use in the oil and gas well drilling industry

petroleum industry equipment; namely, rig instrumentation equipment which monitors the mechanics of the drilling fluids and which controls the fluids processing (solids control) equipment and the pressure control equipment

material treatment services, namely environmental liquid-solid separation services, environmental enhanced solidification services, water treatment services and environmental bio-remediation services, namely treatment of organic contaminations using hydrocarbon-adapted microbes; construction and repair services, namely soil washing services; and petroleum industry services, namely installation services and maintenance services to be done for others with respect to fluids processing (solids control) equipment, rig instrumentation equipment and pressure control equipment; environmental services, namely environmental laboratory services, and environmental site assessment services

"DRILLING FLUIDS"

Class 001: LIGNITE USED AS A COMPONENT OF A FLUID DRILLING SYSTEM FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: OIL MUD SYSTEM WHICH USES EMULSIFIERS, WETTING AGENTS, GELLING AGENTS AND FLUID LOSS CONTROL ADDITIVES WITH VERSA NAMES, AND UTILIZES MINERAL OIL AS THE EXTERNAL PHASE

Class 001: DRILLING FLUID ADDITIVES, SPECIFICALLY, SURFACTANTS, FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, SURFACE ACTIVE AGENTS, FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, SURFACTANTS FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: LIQUID CHEMICAL EMULSIFIER FOR USE IN DRILLING FLUIDS CONTAINING SALT AND ACTIVE CALCIUM AND MAGNESIUM COMPOUNDS

MECHANICAL WELL LOGGING INSTRUMENTS

MECHANICAL MUD TREATERS FOR OIL FIELD USE

petroleum industry chemicals, namely, a drilling fluid for use in the oil and gas well drilling industry

petroleum industry chemicals, namely, a drilling fluid for use in the oil and gas well drilling industry

petroleum industry chemicals, namely, a drilling fluid for use in the oil and gas well drilling industry

petroleum industry chemicals, namely, a drilling fluid additive for use in the oil and gas well drilling industry

petroleum industry equipment, namely, remote adjustable high-pressure chokes with positive closure; "CHOKE"

oil well drilling services; oil well testing services, namely, optimization of the design, performance, and management of drilling and completion fluids, solids control and filtration, and data acquisition

petroleum industry equipment, namely, rig instrumentation equipment, namely, a computerized data acquisition unit showing drilling variables in different displays, making a permanent record of the same and transmitting the same to or from remote locations; 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; and straight hole tools, namely, mechanical inclinometer; petroleum industry equipment, namely, fluids processing solids control equipment, namely, shakers, desanders, desilters, hydroclone packages, namely, several hydroclones connected by piping and mounted on a skid, mud cleaners, namely, hydroclones used in conjunction with a shaker all of which is mounted on a skid, centrifuges and fluids processing systems, namely, an integrated, tailor made, system consisting of two or more primary shakers, a desander, a desilter, a hydroclone package, a mud cleaner, a centrifuge, a degasser and associated piping and tanks mounted on a skid and pressure control equipment, namely, chokes, degassers, centrifugal degassers, H2S mud gas separators, dual mud gas separators for horizontal drilling, and total gas containment systems, namely, integrated degasser and H2S mud gas separator with associated valves and piping mounted on either a skid or a trailer

petroleum industry equipment, namely, rig instrumentation equipment, namely, a computerized data acquisition unit showing drilling variables in different displays, making a permanent record of the same and transmitting the same to or from remote locations; 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; and straight hole tools, namely, mechanical inclinometers; petroleum industry equipment, namely, fluids processing (solids control) equipment, namely, shakers, desanders, desilters, hydroclone packages, (namely, several hydroclones connected by piping and mounted on a skid), mud cleaners, (namely, hydroclones used in conjunction with a shaker all of which is mounted on a skid), centrifuges and fluids processing systems, (namely, an integrated, tailor made, system consisting of two or more primary shakers, a desander, a desilter, a hydroclone package, a mud cleaner, a centrifuge, a degasser and associated piping and tanks mounted on a skid) and pressure control equipment, namely, chokes, degassers, centrifugal degassers, H2S mud gas separators, dual mud gas separators for horizontal drilling, and total gas containment systems, (namely, integrated degasser and H2S mud gas separator with associated valves and piping mounted on either a skid or a trailer)

rig instrumentation equipment, namely, computer software utilized in the petroleum industry for monitoring the mechanics of the drilling fluids and for the controlling of fluids processing (solids control) equipment and pressure control equipment

petroleum industry chemicals, namely, a fluid loss control additive for use in the oil and gas well drilling industry

petroleum industry chemicals, namely, a rheology controlled drilling fluid additive for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a chemical additive for drilling fluids for use in the oil and gas well drilling industry

water well drilling fluids products, primarily used to seal shallow bore holes

petroleum industry chemicals, namely a fluid loss additive for use in the oil and gas well drilling industry

computer software for accurately calculating drilling fluid hydraulics under high temperature and high pressure conditions; "HYDRAULICS"

computer software for using all available rheology data to characterize rheological behavior of drilling fluids; "RHEOLOGY"

petroleum industry chemicals, namely a water based drilling fluid additive for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a shale stabilizer for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a lubricant for drilling fluids for use in the oil and gas well drilling industry

petroleum industry chemicals, namely a synthetic liquid based drilling fluid for use in the oil and gas well drilling industry

petroleum industry chemicals; namely, drilling fluid products for use in the oil and gas well drilling industry

Class 001: ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, LIGNITE ADDITIVES FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: SERIES OF CORROSION INHIBITORS TO PREVENT CORROSION ATTACK FROM OXYGEN, CARBON DIOXIDE AND HYDROGEN SULFIDE ON METAL COMPONENTS IN AN OIL WELL

Class 001: ADDITIVES FOR DRILLING FLUIDS AND SPECIFICALLY WEIGHTING AGENTS FOR USE IN WATER BASE AND OIL BASE DRILLING FLUIDS FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 042: OIL DRILLING SERVICES

Class 001: ADDITIVES FOR DRILLING FLUIDS FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS AND SPECIFICALLY VISCOSITY AND SHALE STABILIZATION ADDITIVES

Class 001: DRILLING FLUID ADDITIVES FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, FILTRATION ADDITIVES FOR USE IN THE OIL WELL DRILLING INDUSTRY

Class 001: ADDITIVES FOR DRILLING FLUIDS, SPECIFICALLY, SURFACTANTS, FOR USE IN THE OIL WELL DRILLING INDUSTRY