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1. (WO2018144569) LUBRICANTS FOR WATER-BASED DRILLING FLUIDS

Pub. No.:    WO/2018/144569    International Application No.:    PCT/US2018/016182
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Thu Feb 01 00:59:59 CET 2018
IPC: C09K 8/035
C10M 107/34
C10M 173/02
C09K 8/04
Applicants: SAUDI ARABIAN OIL COMPANY
ARAMCO SERVICES COMPANY
Inventors: AL-YAMI, Abdullah
ALBAHRANI, Hussain
WAGLE, Vikrant
SAFRAN, Ali
ALHARETH, Nasser
ALHELAL, Abdulaziz
AWADH, Abdulla H.
Title: LUBRICANTS FOR WATER-BASED DRILLING FLUIDS
Abstract:
Embodiments are directed to a lubricant package for water based drilling fluids. The lubricant package includes water, a polyethylene glycol, and a lubricating agent. The lubricating agent includes triethanolamine, or a C12-C14 alcohol ethoxylate, or a combination of triethanolamine and C12-C14 alcohol ethoxylate. The weight ratio of the polyethylene glycol to the lubricating agent in the lubricant package is from 1:2 to 2:1. Embodiments are also directed to a water-based drilling fluid composition including an aqueous base fluid, one or more additives, and the lubricant package for water based drilling fluids.