Oil-base mud:

This water is spread out, or dispersed, in the oil as small droplets.

See oil mud.

Terms Related to Oil-base mud

• Oil-emulsion mud

  A water-base mud in which water is the continuous phase and oil is the dispersed phase. The oil is spread out, or dispersed, in the ...

• Emulsion

  A mixture in which one liquid, termed the dispersed phase, is uniformly distributed (usually as minute globules) in another liquid, called the continuous phase or ...

• Water-base mud

  A drilling mud in which the continuous phase is water. In water-gas muds, any additives are dispersed in the water. Compare oil-base mud.

• Emulsifying agent

  A material that causes water and oil to form an emulsion. Water normally occurs separately from oil; if, however, an emulsifying agent is present, the ...

• Mud still

  Instrument used to distill oil, water, and other volatile materials in a mud to determine oil, water, and total solids contents in volume-percent.

• Flipped

  When the opposite occurs of what is intended in a drilling fluid. In an invert water-in-oil emulsion, the emulsion is said to be flipped when ...

• Oil-in-water emulsion mud

  Any conventional or special water-base mud to which oil has been added. The oil becomes the dispersed phase and may be emulsified into the mud ...