Oil and gas well fluids

Abstract

A drilling mud is provided, the drilling mud comprising green diesel comprising de-oxygenated oil, water; and one or more fine particle solids. The green diesel may be formed from an edible oil or non-edible feedstock. The drilling mud fine particle solids comprise bentonite, barite, ferrophosphate ore, calcite, or siderite. The drilling mud may comprise stabilizing additives such as emulsifiers, weighting agents, fluid loss additives, alkali reserves, and viscosity regulators. In other embodiments, lubricants for drilling fluids comprise green diesel and lubricity additives such as solvents, esters, and surfactants. The lubricant may further comprise graphite or polytetrafluoroethylene. A slurry for use in oil and gas drilling operations comprises green diesel, polysaccharides or polyacrylamides, and a thickener such as silica, bentonite clay, and waxes. A wireline lubricant comprises green diesel, one or more block polymers, and one or more corrosion inhibitors.

Dependencies are inferred from the claim text.