NL INDUSTRIES, INC.

Description: DRILLING MUD ADDITIVES COMPRISING SODIUM CARBOXYMETHYL CELLULOSE

Description: COMPUTER AIDED DIAGNOSIS OF AND TREATMENT RECOMMENDATIONS FOR DRILLING FLUIDS

Description: COMPUTER AIDED DIAGNOSIS OF DRILLING FLUIDS

Description: POLYANIONIC CELLULOSE POLYMER DRILLING FLUID ADDITIVE FOR USE IN DRILLING OIL WELLS AND OTHER EARTH BOREHOLES

Description: DRILL BITS FOR WELL DRILLING; WELL CORING TOOLS

Description: MICROBIOCIDES FOR USE IN THE OIL, GAS AND MINERALS DRILLING AND PRODUCTION INDUSTRY

Description: TITANIUM DIOXIDE FOR GENERAL INDUSTRIAL USE

Description: RESERVOIR ENGINEERING AND GEOLOGICAL SERVICES RELATED TO THE PETROLEUM INDUSTRY

Description: RECORDED LITHOLOGY LOGGING SERVICES TO THE OIL INDUSTRY COMPRISING PROVIDING GAMMA RAY, RESISTIVITY, AND CONDUCTIVITY LOGS.

Description: COLLOIDAL CLAYS, ESPECIALLY BENTONITE

Description: PROVIDING A SERVICE FOR OPERATING AND MAINTAINING A PROCESS FOR REMOVING HYDROGEN SULFIDE FROM GAS STREAMS

Description: DRILLING FLUID ADDITIVE

Description: Foundry Mold Wash Additive

Description: SERVICE FOR CLEANING DRILL CUTTINGS PRIOR TO DISPOSAL

Description: DRILLING FLUID ADDITIVE

Description: DRILLING FLUID ADDITIVE

Description: CHEMICALS, NAMELY MICROBIOCIDES

Description: Mud Thinner for Seismic and Water Well Drilling

Description: "SYSTEMS"; PROVIDING LOGGING AND MONITORING INFORMATION FOR OTHERS DURING EARTH BOREHOLE DRILLING

Description: "SYSTEMS"; PROVIDING LOGGING AND MONITORING INFORMATION FOR OTHERS DURING EARTH BOREHOLE DRILLING

Description: Microbiostat to Control the Growth of Aerobic and Anaerobic Bacteria in Aqueous Mediums, in Industrial Use

Description: Coated Pigments for Use in the Manufacture of Paint Systems

Description: SELLING OF WEIGHTING MATERIALS FOR DRILLING MUDS; FORMULATING WEIGHTED DRILLING MUDS

Description: SELLING AND FORMULATING NON-TOXIC WELL FLUIDS

Description: Compositions for Use in Mold and Core Washes for Use in the Casting Industry

Description: SERVICES INCLUDING GATHERING, PROCESSING AND INTERPRETING OIL FIELD INFORMATION INCLUDING MEASUREMENT WHILE DRILLING AND LOGGING

Description: INCLUDING GATHERING, PROCESSING AND INTERPRETING OIL FIELD INFORMATION INCLUDING MEASUREMENT WHILE DRILLING AND LOGGING

Description: Oilwell or Gas Well Drilling and Operating Tools and Equipment-Namely, Blowout Preventers, Blow-Out Preventer Stacks, Drilling Chokes and Choke and Kill Manifolds; Metal, and Manually-Operated Gate Valves

Description: THREADED FASTENERS

Description: THREADED FASTENERS

Description: Cellulose Derivatives for Use in Well Drilling, Workover and Completion Fluids

Description: Oil Well Perforators

Description: PRINTED MATTER - NAMELY, STATIONERY SUPPLIES, POSTERS AND EDUCATIONAL MATERIAL FOR PROMOTION OF SAFETY

Description: TITANIUM PIGMENTS

Description: Protective Coating Compositions for Use in Prevention of Surface Deterioration or Corrosion and Preparations for Thinning and Thickening Coating Compositions

Description: POLYURETHANE SYSTEMS

Description: Earth Drilling Bits and Coring Tools

Description: Earth Drilling Bits and Coring Tools

Description: SERVICES OF USING DRILL BITS AND CORING TOOLS IN DRILLING EARTH BOREHOLES AND TAKING EARTH

Description: Earth Drilling Bits and Coring Tools

Description: SERVICES RELATING TO THE MANUFACTURE OF MOLD CASTINGS

Description: Metal Fasteners-Namely, Lock Nuts

Description: Titanium Compounds Used in the Manufacture of Titanium Products, Pigments and Paints

Description: Monitoring and Interpreting Operating Parameters and Subsurface Conditions Encountered During Earth Borehole Drilling

Description: Desanders for Processing Drilling Fluids Employed in Water Well, Minerals Exploration, and Similar Borehole Drilling

Description: Bearings

Description: Blow-Out Preventer Controls-Namely, Accumulator/Pump Units, Auxiliary Remote Control Panels, Drillers Panels, and Interconnect Cables

Description: Metal Fasteners, Such as Screws, Bolts, Nuts, Locknuts, and Metal Screw Inserts

Description: Oil and Gas Well Drilling Completion and Work-Over Chemicals-Namely, a Water Soluble Chemical for Establishing a Buffered pH of Approximately 10 in Waters, Aqueous Solutions, and Oilfield Brines, Particularly in Aqueous Solutions or Brine Solutions or Brine Solutions Containing Hydroxy Ethyl Cellulose

Description: Earth Borehole Drilling, Completion and Work-Over Abandonment Chemicals-Namely, a Water-Soluble Chemical for Providing Thixotropic Properties and Non-Newtonian Characteristics to Waters and Brines Over a Wide Salinity Range, and which has the Ability to Suspend Solid Materials Such as Bridging Agents and Weighting Materials in Aqueous Solutions Containing Said Chemical

Description: Chemical Formulations for Buffering Water pH, Inhibiting Corrosion of Ferrous and Non-Ferrous Metals, in Open and Closed Water Systems, for Scavenging Oxygen from Boiler Feed Water, for Preventing Fouling and Scale Formation in Open and Closed Water Systems, for Chelating Calcium and Magnesium Ions; for Buffering pH of Closed Water Systems; for Preventing Fouling in Process Equipment, and for Foam Control in Aqueous and Nonaqueous Systems

Description: Oil-Soluble Chemical Compositions Effective for Inhibiting Deposition of Paraffin Wax and/or Dissolving Deposits of Such Paraffins in Oil Wells, Associated Surface Equipment, Pipe Lines, and Processing Equipment

Description: Magnesium Powder

Description: Magnesium Ingots

Description: Screws and Fasteners

Description: METAL SCREWS AND FASTENERS

Description: Lead Alloy for Battery Grids

Description: Rheological Additives for General Industrial Use for Use in Improving or Otherwise Affecting the Flowability and/or Texture of Coatings, Bonding Compositions, Sealants, Mastics and Inks

Description: Screws and Fasteners; "SCREW"

Description: FURNACE FORMED REFRACTORY SHAPES SUCH AS BRICKS, BLOCKS, TUBES AND REFRACTORY CEMENTS

Description: Coagulant Compounds for Water Clarification

Description: CHEMICAL FOR TREATING OILS, INCLUDING A DESALTING COMPOUND, AND A DEMULSIFIER DESIGNED TO FAVORABLY ALTER THE FORCES THAT MAINTAIN STABLE WATER-IN-OIL EMULSIONS

Description: CHEMICALS FOR USE IN DRILLING, PRODUCTION, TRANSPORTING, AND REFINING OF OIL, GAS, GEOTHERMAL HEAT, AND MINERALS RECOVERED FROM THE EARTH-NAMELY, FLOCCULANTS, EMULSIFIERS, CLAY STABILIZERS, SCALE REMOVERS, SURFACTANTS, MICROBIOCIDES, AND DEFOAMERS

Description: GENERAL CLEANING AGENT PRIMARILY FOR REMOVING DEPOSITS OF GREASE AND DIRT

Description: AN ADDITIVE IN OIL AND GAS DRILLING AND COMPLETION OPERATIONS

Description: APPARATUS AND INSTRUMENTS FOR TESTING DRILLING MUD, WATER, CORROSION, WELL CORES, WELL CUTTINGS, AND CLAY AND MINERAL SUSPENSIONS-NAMELY, RESISTIVITY METERS, MEMBRANE FILTER TESTERS, PH-METERS, RHEOMETERS, GREEN SAND STRENGTH TESTERS, MUD TESTERS, VISCOMETERS, AND CONSISTOMETERS

Description: FOAMING AGENT USED IN WATER, OIL AND GAS WELL DRILLING OPERATIONS AND IN MINERAL EXPLORATION AIR DRILLING

Description: CHEMICAL PRODUCTS FOR DRILLING FLUIDS AND COMPLETION FLUIDS USED IN OIL, WATER AND GAS PRODUCTION AND IN MINERAL EXPLORATION DRILLING; CHEMICALS FOR USE IN WATER TREATMENT; CHEMICALS FOR USE IN BONDING AGENTS IN FOUNDRY MOLDING SANDS; AND GREASE THICKENERS

Description: OIL WELL PERFORATORS

Description: Explosive charges for use in oil well perforating apparatus

Description: DIE CASTINGS

Description: REFRACTORY MATERIALS USED IN SHAPED FORM AND AS CEMENTS, MOLDING MATERIALS AND CASTABLES

Description: SCREWS AND FASTENERS