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Title: Drilling fluids

Abstract

Polyethylene glycols in combination with at least one water-dispersible polymeric viscosifier comprising cellulose ethers, cellulose sulfate esters, polyacrylamides, guar gum, or heteropolysaccharides improve the water loss properties of water-based drilling fluids, particularly in hard brine environments.

Inventors:
Publication Date:
OSTI Identifier:
6841041
Patent Number(s):
US 4425241
Assignee:
Phillips Petroleum Co.
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 16 Dec 1981; Other Information: PAT-APPL-331031
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; 03 NATURAL GAS; DRILLING FLUIDS; CHEMICAL COMPOSITION; ACRYLAMIDE; BRINES; CELLULOSE; CELLULOSE ESTERS; CLAYS; ETHERS; GUMS; MOLECULAR WEIGHT; POLYETHYLENE GLYCOLS; POLYMERS; SOLIDS; VISCOSITY; ALCOHOLS; AMIDES; CARBOHYDRATES; ESTERS; FLUIDS; GLYCOLS; HYDROXY COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; ORGANIC POLYMERS; POLYSACCHARIDES; SACCHARIDES; 020300* - Petroleum- Drilling & Production; 030300 - Natural Gas- Drilling, Production, & Processing

Citation Formats

Swanson, B L. Drilling fluids. United States: N. p., 1984. Web.
Swanson, B L. Drilling fluids. United States.
Swanson, B L. 1984. "Drilling fluids". United States.
@article{osti_6841041,
title = {Drilling fluids},
author = {Swanson, B L},
abstractNote = {Polyethylene glycols in combination with at least one water-dispersible polymeric viscosifier comprising cellulose ethers, cellulose sulfate esters, polyacrylamides, guar gum, or heteropolysaccharides improve the water loss properties of water-based drilling fluids, particularly in hard brine environments.},
doi = {},
url = {https://www.osti.gov/biblio/6841041}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 10 00:00:00 EST 1984},
month = {Tue Jan 10 00:00:00 EST 1984}
}