Formation breakdown:

Terms Related to Formation breakdown

• Formation competency

  The ability of the formations to withstand applied pressure. Also called formation integrity.

• Bullheading

  1. Forcing gas back into a formation by pumping into the annulus from the surface. 2. Any pumping procedure in which fluid is pumped into ...

• Skin

  1. The area of the formation that is damaged because of the invasion of foreign substances into the exposed section of the formation adjacent to ...

• 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 ...

• Wireline formation tester

  A formation fluid sampling device, actually run on conductor line rather than wireline, that also logs flow and shut-in pressure in rock near the borehole. ...

• Normal formation pressure

  Formation fluid pressure equivalent to about 0.465 pounds per square foot of depth from the surface. If the formation pressure is 4,650 pounds per square ...

• Slow formation

  A formation in which the velocity of the compressional wave traveling through the borehole fluid is greater than the velocity of the shear wave through ...