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Test 2
Read the statements below. For each question, mark the correct letter A,
B, C or D.
1. The oil zone in a trap lies between
A. water zone (above) and gas zone (below).
B. capillary zone and zone of major deformation.
C. production zone and edge zone.
D. gas zone (above) and water zone (below).
2. Three most common reservoir rocks are
A. limestones, dolomites and cap rocks.
B. sandstones, limestones and quartz.
C. sandstones, limestones and dolomites.
D. sandstones, micas and peridotites.
3. Primary migration is the
A. pipelines by which hydrocarbons are transported to a refinery.
B. processes by which hydrocarbons migrate from a porous, permeable
reservoir to the source rock.
C. processes by which hydrocarbons migrate from the source rock to a
porous, permeable reservoir.
D. tankers which transport oil and gas from the field.
4. Secondary migration of petroleum ends in
A. accumulation in a depression.
B. oil sands.
C. oil and gas fields.
D. accumulation in a structural \ stratigraphic trap.