Lost motion valve actuator
Lost profit reduction process and system
Low actuation pressure bar vent
Low cost, brine tolerant sulfonate and sulfate surfactants...
Low cutter load raise head
Low debris perforating gun system for oriented perforating
Low density ball sealers for use in well treatment fluid...
Low density proppant
Low dosage naphthenate inhibitors
Low emission power generation and hydrocarbon recovery...
Low flow safety valve with pressure lock
Low fluid loss additive composition and method of use
Low fluid loss cement compositions, fluid loss reducing...
Low fluid loss heavy brines containing hydroxyethyl cellulose
Low fluid loss heavy brines containing hydroxyethyl cellulose
Low fluid loss salt saturated cement slurries, additives and...
Low fluid loss well treating composition and method
Low fluid loss well treating composition and method
Low flux leakage cables and cable terminations for a.c....
Low frequency electromagnetic telemetry system employing...