Oil and gas recovery from subterranean formations
Oil and gas well operation fluid used for the solvation of waxes
Oil based compositions and method for temporarily sealing...
Oil based compositions for sealing subterranean zones and method
Oil in water emulsion well servicing fluids
Oil-, hot water-and heat-resistant binders, process for...
Oil-based demulsifying agent and its use in the treatment of...
Oil-based insulating packer fluid
Oil-free water-soluble hydroxyethyl cellulose liquid polymer dis
Oil-in-water-in-oil emulsion
Oilwell sealant compositions comprising alkali swellable latex
On-the-fly control of delayed borate-crosslinking of fracturing
On-the-fly preparation of proppant and its use in...
Organic emulsion-breaking formula and its use in treating...
Organosilicon composition
Ortho ester breakers for viscoelastic surfactant gels and...
Oxidized guar for oilfield servicing fluids