HALLIBURTON ENERGY SERVICES, INC

ADT SERVICE

No claim is made to exclusive use of Service apart from the mark as shown.;Monitoring and Interpreting Operating Parameters and Subsurface Conditions Encountered in Earth Borehole Drilling;

BARAFOS

SODIUM POLYPHOSPHATES, ESPECIALLY SODIUM TETRAPHOSPHATE;

DURASLEEVE

oil and gas well equipment, namely sliding sleeve circulation/production apparatus;DURA SLEEVE;

FACTS

Well services, namely, performing well casing fill-up and cementing services;

FACTS

Well equipment, namely, well casing fill-up and cementing tools;

HE3

mechanically operated and/or controlled well intervention tool, namely, a wireline retrievable well bore bridge plug for use in oil and gas well exploration and production;HALLIBURTON ENERGY;

LEGEND

Oil and gas well stimulation fluids for use in the stimulation process to enhance productivity of the well, namely, biocides;Oil and gas well stimulation fluids, namely, chemicals, chemical compounds, and chemical additives containing biocides, polymers, clays, buffers, surfactants, scale inhibitors, and breakers and cross-linkers in the nature of chemicals for reducing and increasing viscosity, for use in the stimulation process to enhance productivity of the well; Oil and gas well stimulation fluids, namely, chemicals, namely, polymers, chemical additives containing clay, buffers, surfactants, scale inhibitors, and breakers and cross-linkers in the nature of chemicals for reducing and increasing viscosity, for use in the stimulation process to enhance productivity of the well;

LUBRA-BEADS

Spherical Plastic Lubricating Beads: for Use in Fluids Employed in Drilling, Completion, and Work-Over of Earth Borehole Wells;

QUIK-FOAM

Surfactant in Water, Oil, Gas Drilling and Completion Operations and in Exploration Air Drilling Operations;

SELECT-20

Oil and Gas Well Machine Tools-Namely, Circulating Sleeves and Pumpdown Tools and Parts Therefor;20;

WHEATLEY

Automatic control valves for petroleum, petrochemical and chemical industries, namely, check valves, ball check valves, and wafer check valves;