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A chemical used in the preparation and maintenance of an oil or synthetic-base drilling fluid that forms a water-in-oil emulsion (invert emulsion). An oil-mud emulsifier lowers the interfacial tension between oil and water, which allows stable emulsions with small drops to be formed. Historically, oil-mud emulsifiers have been classified as primary and secondary. Secondary emulsifiers are generally not used alone to make a stable oil mud. These emulsifiers surround water droplets, like an encapsulating film, with the fatty acid component extending into the oil phase. Emulsifier molecules that cannot fit around drops form clusters (micelles) in the oil phase or adsorb onto solids. Oil-mud emulsion drops each behaves like a small osmotic cell. The emulsifier around the drops acts like a semi-permeable membrane through which water can move but ions cannot pass. Thus, oil muds have a special capability (which water muds do not have) to control water transfer to and from the drops simply by adjusting salinity within the water phase of the oil mud.
However, conventional OBMs have two drawbacks that cannot be ignored: One is their high costs, and the other is their adverse impacts on the environment. Since the 1990s, environmental laws and regulations in many countries have been becoming stricter. This reduced the usage frequency of conventional OBMs sharply.
As an appropriate response to this, environmentally friendly emulsifiers were developed. Not only can they provide operational performances like conventional OBMs but also, they have low toxicity and good biodegradability.
We manufacture a range of green oil-mud emulsifiers which have been classified as primary and secondary.
GSEMUL is a proprietary surfactant blend for use as a secondary emulsifier in invert drilling mud systems.
GSEMUL is a liquid blend of selected secondary emulsifiers and wetting agents. It is used to emulsify water into oil in oil/diesel-based drilling fluids. It provides excellent emulsion stability and acts as a wetting agent, gelling agent, and fluid stabilizer in a mineral oil base. It is also used for filtration control and for temperature stability.
GSEMUL is a secondary invert emulsifier based on a chemically modified that is oil soluble, water dispersible, and compatible with most products employed in oil-based drilling fluids.
GSEMUL uses diesel alcohol solvent, but can be formulated in low toxic solvent for more environmental control and is coded as GSEMUL
GSEMUL when used in conjunction with GPEMUL will give stable invert mud that eliminates or reduces the need for additional fluid loss control additives
GSEMUL emulsifier is both a secondary emulsifier and oil-wetting agent suitable for use in diesel oil-based drilling fluid systems. GSEMUL emulsifier has minimal alkalinity requirements. When the GSEMUL emulsifier is used in conjunction with GPEMUL emulsifier, high temperature stable invert emulsions with low filtration rates can be obtained.
GSEMUL functions as a secondary emulsifier. Additional benefits include improved thermal stability and HTHP filtration control. GSEMUL wetting agent is effective over a wide temperature range, in the presence of contaminants, and reduces the adverse effects of water contamination.
GSEMUL is used as a secondary emulsifier providing excellent and very stable emulsion and oil wetting agent. It contributes to temperature stability and HTHP filtration control and is most effective over a wide range of temperatures and also in the presence of contaminants. It provides viscosity, filtration control and temperature stability.
GSEMUL is an excellent emulsifier for water in oil drilling fluids and may be used with a variety of brine emulsions.
GSEMUL is designed to improve the stability of emulsions, aid in gel strength control, and improve the fluid loss characteristics of drilling fluids.
GSEMUL exhibits excellent performance with regard to the range of temperatures and contaminants. GSEMUL can be employed as a single emulsifier, however, it is usually recommended that it be used in conjunction with a primary emulsifier such as GSEMUL or a wetting agent.
GSEMUL is a concentrated secondary emulsifier used for formulating inverted drilling fluids. It will provide high emulsification and good oil-wetting properties.
GSEMUL is commonly used with primary mud emulsifiers such as GSEMUL.
GSEMUL offers emulsion stability as well as high-temperature tolerance and resistance to contamination.
GSEMUL does not require lime, however, the use of lime will enhance the emulsion stability and the HTHP Fluid Loss. Mix according to standard mixing procedure. A primary emulsifier is required to form a stable emulsion
GSEMUL promotes oil-wetting in invert emulsion systems.
GSEMUL improves electrical stability measurements.
GSEMUL Reduce flow properties of invert emulsions.
GSEMUL additive functions as the wetting agent and secondary emulsifier, when used in combination with the GSEMUL.
GSEMUL additive preferentially wets barite and drills solids to prevent water wetting of solids. Secondary functions include: improving thermal stability, theological stability, filtration control, and emulsion stability as well as improving a system’s resistance to contamination.
GSEMUL is packaged in 220-lit polyethylene or steel drums. Customized packaging is also available on request
GSEMUL store in a dry, well-ventilated area. Keep the container closed. Keep away from heat, sparks, and flames. Store away from incompatibles. Follow safe warehousing practices regarding palletizing, banding, shrink-wrapping, and/or stacking. Keep in the original container and tightly closed.
GSEMUL has a shelf life of at least six months from the date of manufacture when stored in the original sealed containers in a cool and dry place.
This product is not classified as a hazardous substance, GSEMUL must be handled as an Industrial chemical by wearing protective equipment and observing the precautions as mentioned in the MSDS.
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