Lithostatic pressure:

Terms Related to Lithostatic pressure

• Abnormal pressure

  1. Pressure exceeding or falling below the normal pressure to be expected at a given depth. Normal pressure increases approximately 0.465 psi per foot of ...

• Pressure gradient

  1. A scale of pressure differences in which there is a uniform variation of pressure from point to point. For example, the pressure gradient of ...

• Bottomhole pressure test

  A test that measures the reservoir pressure of the well, obtained at a specific depth or at the midpoint of the producing zone. A flowing ...

• Bottom hole pressure

  1. The pressure at the bottom of a well. 2. The pressure, usually measured in bar at the bottom of the hole. This pressure may ...

• Equivalent circulating density (ecd)

  The increase in bottomhole pressure expressed as an increase in pressure that occurs only when mud is being circulated. Because of friction in the annulus ...

• Hydrostatic pressure

  The force exerted by a body of fluid at rest. It increases directly with the density and the depth of the fluid and is expressed ...

• Confining pressure

  Various earth forces acting on the formation. Includes overburden.