Membrane forming in-situ polymerization for water based...

Metallic soaps of modified fatty acids and rosin acids and...

Method and apparatus for homogenizing drilling fluid in an...

Method and apparatus for homogenizing drilling fluid in an...

Method and apparatus for providing a stream of inert gases in un

Method and composition for controlling fluid loss in high...

Method and composition for inhibiting lost circulation...

Method and composition for protecting metal surfaces from oxidat

Method and composition for reducing torque in downhole drilling

Method and composition for removing filter cake

Method and composition of drilling with fluid including...

Method and fluid for checking the saturation of a formation...

Method and fluid for controlling the saturation of a...

Method for acidizing formation having high permeability water zo

Method for creating dense drilling fluid additive and...

Method for enhancing stability of oil based drilling fluids...

Method for inhibiting reactive argillaceous formations and use t

Method for inhibiting reactive argillaceous formations and use t

Method for inhibiting reactive argillaceous formations and use t

Method for reducing sag in drilling, completion and workover...