Oil Based Drilling Fluids

To address oil based drilling fluid rheology, Elementis provides a line of applications tailored additives. Products range from highly effective standard grades to application tailored products for optimum dispersibility, efficiency and stability in a variety of base oil systems. An active research program focuses on extreme drilling environments including HTHP and deep-water. Elementis takes advantage of the unique properties of hectorite clay, sourced from our Hector, California mine, to create the most temperature stable rheological modifiers in the industry.

BENTONE® 128
An easy dispersing, fast yielding viscosifier, which yields effectively at reduced shear. Minimizes development of progressive gels.
BENTONE® 150
Combines exceptionally rapid dispersibility with high efficiency and low shear suspension characteristics. BENTONE® 150 is particularly well suited for use in all-oil systems.
BENTONE® 155
Combines exceptionally rapid dispersibility with high efficiency and low shear suspension characteristics. BENTONE® 155 is particularly well suited for use in invert emulsions. An ideal additive for mud plants having low shear mixing equipment.
BENTONE® 160
Specifically designed for vegetable oil base fluids. It yields without the need for polar activators. It is particularly effective in synthetic ester, vegetable and petroleum based oils.
BENTONE® 34
The original organoclay for oil based fluids. BENTONE® 34 has been used in drilling fluids worldwide for over 50 years.
BENTONE® 38
Premium hectorite organoclay with broadest applicability. Highly resistant to incursion from contaminants. Extends practical temperature range by 50°F - 100°F beyond bentonite clays.
BENTONE® 42
Hectorite organoclay optimized for synthetic base oil systems for bottom hole temperatures beyond the range of BENTONE® 38.
BENTONE® 910
BENTONE® 910 incorporates reliability and effectiveness into an economy viscosifier that has become a standard for the industry.
BENTONE® 920
BENTONE® 920 is preferred in applications requiring a more robust economy viscosifier. It combines improved dispersibility with enhanced efficiency.
BENTONE® 990
BENTONE® 990 is an amine treated attapulgite suspension additive that improves carrying capacity, suspension of oil based invert drilling fluid under HTHP conditions.
EA-2525
A unique polymeric heat activated rheological additive designed to develop a high level of thixotropy in organic fluids. It functions in a variety of different solvents.
THIXATROL® DW 100
A unique proprietary organic polymer that has an OECD306 biodegradability of 43% and Par Com classification of D. This organic polymer generates an efficient rheological profile in synthetic based invert emulsion drilling fluids while having a minimal viscosity increase when subjected to reduced temperatures. This highly desirable flat rheological property is stable through 350°F and can be extended to applications beyond deep water drilling.
THIXATROL® DW 50
A second generation polymeric rheological additive for deep water drilling fluids. This polymer offers improved thermal stability to 350°F, while maintaining ECD control, constant LSRV between 40°F through 350°F and 35% lower HSRV at 40°F as compared to muds built with conventional RAs.
THIXATROL® DW
Designed for deep water and low temperature applications where ECD control is key. This synthetic polymer generates a very efficient flat rheological profile with respect to reduced temperatures. Constant LSRV can be generated from 40°F through 250°F. HSRV is reduced by as much as 35% at 40°F, as compared to muds built with conventional RAs.
THIXATROL® RM14
Designed for horizontal and vertical drilling, THIXATROL® RM14 is a unique proprietary organic product that builds low end rheology while having minimal impact on high shear rate rheology. It is very efficient at building structure in invert emulsion drilling fluids with a synthetic, mineral oil or diesel oil based continuous phase.
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