Less temperature dependent drilling fluids for use in deep...
Liquid additive comprising a sulfonated asphalt and processes th
Liquid compositions which reversibly viscosify or gel under...
Lost circulation material and method of use
Lost circulation material for oilfield use
Lost circulation material formulation and method of use
Lost circulation material with corn cob outers
Lost circulation material with rice fraction
Lost circulation material with rice fraction
Low molecular weight water soluble organic compounds as...
Low toxicity terpene drilling fluid and drilling fluid additive
Low-toxicity invert emulsion fluids for well drilling
Lubricants for drilling fluids
Lubricating method for silicate drilling fluids