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 comprises: 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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Bibliographische Detailangaben
Hauptverfasser:	CECCHETTO MASSIMO, BOTTARELLO LORENA, FLORIDI GIOVANNI, LI BASSI GIUSEPPE, GALLO ERIK, VIGANO' LAURA, PIROVANO PIERANGELO, MERLI LUIGI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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 comprises: 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. 一种在用油基钻井流体钻取地下井时，使钻管和井筒套管质量的重量损失最小化的方法，所述方法包括：向油基钻井流体添加抗磨损添加剂，所述抗磨损添加剂基于植物或动物来源的硫酸化、磺化或亚硫酸化天然油或脂肪。