A small volume or pill of fluid placed in a wellbore annulus to free differentially stuck pipe. Oil-base mud is the traditional stuck-pipe spotting fluid. Speed in mixing and placing the spot is of primary importance to successfully freeing pipe.
A glycol that is soluble at low temperatures but starts to form micelles (molecular agglomerates), thus becoming cloudy, as the temperature is raised.
Silicone defoamers are defoamer fluids with a particularly low surface tension, which contain polysiloxanes as the primary active substance.
A surfactant-type mud additive intended to prevent formation shales and clays from sticking to the drilling assembly and also to prevent gumbo shale from agglomerating and plugging the annulus and flowlines.
Lubricant modified tall oil fatty acid can be used to impart extreme pressure Lubricating properties to drilling fluids. Lubricant readily adsorbs on exposed surfaces, providing a physical coating that is effective in reducing metal-to-metal friction.
H2S Scavenger is a Chemicals additive used to remove or neutralize the H2S gas (hydrogen Sulfide gas) From Drilling Fluids or Drilling related processes. Hydrogen Sulfide (H2S) is a highly toxic and corrosive gas that can be found in oil and gas reservoirs. In oil fields, hydrogen sulfide scavengers are chemicals that are used to remove H2S from oil and gas production streams.
Oxygen scavengers or oxygen absorbers are added to enclosed packaging to help remove or decrease the level of oxygen in the package. They are used to help maintain product safety and extend shelf life. There are many types of oxygen absorbers available to cover a wide array of applications.
A corrosion inhibitor or anti-corrosive is a chemical compound added to a liquid or gas to decrease the corrosion rate of a metal that comes into contact with the fluid. The effectiveness of a corrosion inhibitor depends on fluid composition and dynamics.
Emulsifier provides 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 .
biocide is a glutaraldehyde class product used to control bacteria in water-based drilling fluids, completion/workover, and packer fluids. It is cost effective and ideal for drilling fluids containing starch, cellulosic products, and other organic material susceptible to bacterial degradation.
A polyamine is an organic compound having more than two amino groups. Alkyl polyamines occur naturally, but some are synthetic. Alkylpolyamines are colorless, hygroscopic, and water soluble. Near neutral pH, they exist as the ammonium derivatives.
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