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US 10,294,405 B2Granted
Oil-based drilling fluid employing jojoba oil
AssigneeKing Fahd University of Petroleum and Minerals
InventorMohammed Enamul Hossain
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Abstract
An oil-based drilling fluid with jojoba oil as a main component. Jojoba oil is non-toxic and biodegradable. This environmentally-friendly oil-based drilling fluid also comprises water, a viscosifier, an emulsifier, and an absence of diesel and/or mineral oil.
Claims17
An oil-based drilling fluid, comprising:
- an oil phase comprising 100 wt % of jojoba oil relative to the total weight of the oil phase, wherein the jojoba oil comprises at least one ester with 38 to 44 carbon atoms;
- an aqueous phase comprising water, wherein a water-to-oil phase volume ratio ranges from 35:65 to 5:95;
- a viscosifier, which increases a viscosity of the oil-based drilling fluid;
- and
- an emulsifier, which promotes the dispersion of the aqueous phase in the oil phase.
2 more elements
Dependencies are inferred from the claim text.