||A high-grade API barium sulfate specially processed use as a
drilling fluid weighting material
||A material composed of clay minerals, predominantly montmorillonite
with minor amounts of other smectite group minerals, commonly used in
||An additive that kills bacteria.
||An additive that decreases the corrosion rate of drilling tools.
||An additive that removes the bubble of drilling fluids.
||A kind of synthetic polymer that be used in most of drilling
||An additive that be used in preparation and maintenance of an
|Filtration Control Agents
||An additive that reduces filtration volume of drilling fluids.
||An additive that causes a dispersed colloidal system to coagulate
and form flocs.
||An additive used in preparation of foam used as the drilling fluid.
|Lost Circulation Materials
||An additive that reduces and eventually prevents the flow of
drilling fluid into a weak, fractured or vugular formation.
||An additive that reduces torque and extends drilling bit and
drilling tool's life.
|pH Control Agents
||pH Control Agents are an additive which is used to adjust to pH
value of drilling fluid according to the drilling fluid requirements.
|Pipe Freeing Agents / Spotting Fluid
||An additive that frees pipe once it has become stuck
||An additive that inhibits shale from swelling and sloughing.
||A material that lowers the surface tension (or interfacial tension)
between two liquids or between a liquid and a solid.
||An additive that reduces viscosity of drilling fluids.
||An additive that increases viscosity of drilling fluids.
||An additive that increases density of drilling fluids.