METHOD OF DRILLING A WELLBORE

A method of minimizing the weight loss of mass of the drilling pipe and wellbore casing while drilling a subterranean well with an oil-based drilling fluid comprising adding to the oil-based drilling fluid an anti-wear additive based on sulfated, sulfonated or sulfited natural oils or fats of vegeta...

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Main Authors PIROVANO, Pierangelo, VIGANO', Laura, BOTTARELLO, Lorena, CECCHETTO, Massimo, LI BASSI, Giuseppe, GALLO, Erik, MERLI, Luigi, FLORIDI, Giovanni
Format Patent
LanguageEnglish
French
German
Published 24.11.2021
Subjects
ADHESIVES
CHEMISTRY
DYES
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
POLISHES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Summary:A method of minimizing the weight loss of mass of the drilling pipe and wellbore casing while drilling a subterranean well with an oil-based drilling fluid comprising adding to the oil-based drilling fluid an anti-wear additive based on sulfated, sulfonated or sulfited natural oils or fats of vegetable or animal origin.
Bibliography:Application Number: EP20200701918