Definition of different watersFree water: free to move in and out of pores in response to a pressure differential
Interstitial or irreducible water: bounded to mineral grains by attachment to atomic lattices as hydroxyl radicals or as a
Pressure temperature relationships (twocomponent system)
For a two-component system
Three different fluid phases:
liquid, liquid & vapor, and gas.
The bubble point line marks the boundary at which
gas begins to bubble out of liquid.
The dew point line
Relationship between depth of oil-generated zone & geothermal gradient
Recognize presence of overpressuring
Criterion to recognize presence of overpressuring before drilling:
A reversal in the general increase of seismic velocities with depth indicating
Thrust Fault Systems
Allochthon is a large block of rock which has been moved from its original site of formation, usually
by low angle thrust faulting.
Klippe is the remnant portion of a nappe after erosion has removed connecting portio