Trap

Question 1

Any geometric arrangement of rock, regardless of origin, that permits significant accumulation of oil and/or gas in the subsurface.

Answer 1

Trap

Question 2

What are the three (3) types of trap?

Answer 2

Structural Trap
Stratigraphic Trap
Hydrodynamic Trap

Question 3

May be generated through tectonic, diapiric, compactional, and gravitational processes. In broad terms, the range of structural traps in a basin can be deduced from knowledge of the basin evolution.

Answer 3

Structural Trap

Question 4

Traps formed by Compressive Tectonic Processes

Answer 4

Anticline
Folds
Faults

Question 5

Traps formed by Extensional Tectonic Processes

Answer 5

Rift Basin
Faults

Question 6

Traps formed by Diapiric Processes.

Answer 6

Salt Diapir
Mud Diapir

Question 7

Sometimes referred to as subtle traps, are formed by lithological variations imparted to a sediment at deposition or generated subsequently by alteration of the sediment or fluid through diagenesis.

Answer 7

Stratigraphic Trap

Question 8

Caused by differences in water pressures associated with water flow, which creates tilt on the contacts between hydrocarbons and water. Consequently, the fluid contacts in hydrodynamic traps do not correspond directly to structural maps of the reservoir.

Answer 8

Hydrodynamic Trap