Owner Welldynamics, Inc. a Texas corporation

Service Callinan

Various Convention priority claimed: 23 May 1997, United States of America, No. 75/297,325.* Convention priority claimed: 23 May 1997, United States of America, No. 75/297,726.* Convention priority claimed: 23 May 1997, United States of America, No. 75/297,327.*

Class 6 Oil and gas well downhole goods as included in this class, including: sand control screens, mandrels, pipes, tubing and seals; and parts of and accessories for such goods as are included in this class

Class 7 Oil and gas well downhole tools and equipment as are included in this class, including: valves; sliding sleeves; controls; slickline tools; coil tubing tools; downhole force generators; through flowline tools; downhole power supplies and generators; packers; pumps; artificial lift systems; lock mandrels; nipples; flow controls; chokes; regulators; chemical injection systems; cementing systems; stimulation equipment; multi-level completion equipment; water control systems; oil and gas well surface equipment, including sub-sea wellhead equipment, valves, chokes, pumps, fluid control systems, production platforms, onshore wellhead equipment and chemical systems; and parts of and accessories for such goods as are included in this class

Class 9 Oil and gas well electrical and scientific equipment as are included in this class, including: electrically and electromechanically actuated fluid control systems; telemetry systems; slickline tools; coiled tubing tools; downhole video equipment; turbine generators; batteries; sensors; data compression/decompression equipment; data recognition equipment; safety systems; neural networks; automation equipment; software for project management, production management, production optimization, component selection and integration; telemetry equipment operations and control; equipment for analysis, manipulation, recognition, compression and decompression of data; and parts of and accessories for such goods as are included in this class

Class 37 Design, construction, repair and maintenance of oil and gas wells and related surface equipment

Class 42 Services for oil and gas wells, including: fluid management; production optimization; production control; slickline and coiled tubing intervention; telemetry; component selection; downhole video; analysis, manipulation, recognition, compression and decompression of data; sensor deployment; information management; and environmental analysis and protection