Oil and water repellent compositions

Oil base drilling fluid composition

Oil base well treating fluids thickened by block copolymers

Oil based drilling fluid reversion

Oil based packer fluids

Oil displacement enhanced by lyotropic liquid crystals in highly

Oil displacement fluid containing a solubilizing agent

Oil fracturing spacing agents

Oil recovery agent

Oil recovery and mobility control in surfactant systems using th

Oil recovery and mobility control using succinamate surfactant s

Oil recovery and mobility control using succinate surfactant sys

Oil recovery by increasing the injectivity index of micellar sys

Oil recovery by surfactant waterflooding

Oil recovery by surfactant waterflooding

Oil recovery by surfactant waterflooding

Oil recovery by surfactant waterflooding

Oil recovery by surfactant-alcohol waterflooding

Oil recovery by surfactant-alcohol waterflooding

Oil recovery by waterflooding employing anionic polymeric surfac