Spud mud:

Terms Related to Spud mud

• Spud

  To move the drill stem up and down in the hole over a short distance without rotation. Careless execution of this operation creates pressure surges ...

• Spud in

  To begin drilling; to start the hole.

• Conductor casing

  Generally, the first string of casing in a well. It may be lowered into a hole drilled into the formations near the surface and cemented ...

• Pressure loss

  1. A reduction in the amount of force a fluid exerts against a surface, such as the walls of a pipe. It usually occurs because ...

• Fluid loss

  The unwanted migration of the liquid part of the drilling mud or cement slurry into a formation, often minimized or prevented by the blending of ...

• Drilling fluid

  1. Circulating fluid, one function of which is to force cuttings out of the wellbore and to the surface. Other functions are to cool the ...

• Chemicals

  In drilling-fluid terminology, a chemical is any material that produces changes in the viscosity, yield point, gel strength, fluid loss, and surface tension.