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RESERVOIR , SEAL & TRAP - Coggle Diagram
RESERVOIR , SEAL & TRAP
Characteristic of Seal
An impermeable rock that acts
as a barrier to further migration of hydrocarbon liquids
Rocks that forms a barrier or cap
forming a trap such that fluids cannot migrate beyond the reservoir
A seal is a critical component of a complete petroleum system.
prevent petroleum from leaking out of a trap
Characteristic of Reservoir
Definition
pore spaces in reservoir rock
provide the container for acumulation
pore spaces
give rocks ability to absorb and hold fluids
grains in shape and size
nature mineral
quartz
felspar
calcite
degree of transportation
ersion of the grains
porosity
original porosity
secondary porosity
classification
effective porosity
non-effective porosity
Characteristic Trap
definition
configuration of rocks suitable for containing hydrocarbons
sealed by a relatively impermeable formation
structural traps
form in geologic structures such as folds and faults
stratigraphic traps
result from changes in rock type or pinch-outs
unconformities
other sedimentary features such as reefs or buildups
type of trap
structural traps
anticline
fault
salt done
statigraphic traps
uncomformity
pinchout
lens