Exam 1 Flashcards
(18 cards)
Reservoir rock
Rock that contains oil and gas
Reservoir
Subsurface zone that contains oil and gas
Play
Group of oil fields
Pay
Reservoir that contains economically producible hydrocarbons
Basin
Region of earth depression
Facies
Distinctive portion of the rock layer
Basement rock
Metamorphic or igneous rock in between sedimentary rock
Cap rock (seal)
Nearly impermeable rock layer above the resorvoir
Connate water
Pore water in sedimentary rock
Structural trap
Formed by deformation of reservoir rocks
Stratigraphic trap
Trap formed by sedimentary features or unconformities.
Anticline
Upward arch
Syncline
Downward arch
Homocline
Dipping in one direction
dome
Circular or elliptical uplift
Sigma Order
Sigma_1>Sigma_2>Sigma_3
Sigma_H>Sigma_h
Fault and Sigma order
Normal v>H>h
Reverse
Strike Slip H>v>h
Source Rock
Rock that forms oil and gas