Traps And Seals

1. Traps and seals work hand in hand to accumulate and retain oil and gas in a reservoir.

True

False

2. An anticline is a ________ feature resulting from the horizontal compression of a unit of rock.

Structural

Stratigraphic

3. Any impermeable unit of rock through which hydrocarbons cannot easily migrate is defined as a (an)

Source Bed

Seal

Angular Unconformity

Fold

4. Identify this type of structural trap.

Unconformity

Syncline

Anticline

Fault

5. Which of the following is classified as a structural trap?

Anticline

Lenticular

Pinch-out

Combination

6. Any rock my form a seal if it has:

High porosity and high permeability

High porosity and low permeability

Low porosity and high permeability

Low porosity and low permeability

7. Type of trap created when structural deformation and stratigraphic features are closely interrelated and create more than one possible trapping mechanism.

Structural

Stratigraphic

Combination

8. Identify the following type of trap.

Stratigraphic

Structural

Combination

9. Identify the following type of trap.

Stratigraphic

Structural

Combination

10. Traps caused by deformation of rocks within the Earth's crust are defined as:

Stratigraphic

Combination

Deposition

Structural

11. Identify this type of combination trap.

Disconformity

Angular Unconformity

Rollover Anticline

Fault

12. Traps created by variations in the physical characteristics of a unit of rock that leads to change in porosity and/or permeability are defined as

Stratigraphic

Combination

Deposition

Structural

13. Select all of the following that are structural traps?

Anticline

Dome

Fault

Salt Domes

Diagenetic

Lithology changes

Submit

14. What type of trap forms due to folding combined with faulting?

Rollover Anticline

Anticline

Unconformity

Lenticular

15. Which of the following make good seals?

Shales

Gypsum

Anhydrite

Halite

Sandstone

Limestone

Dolomite

Submit

Traps and Seals

1. Traps and seals work hand in hand to accumulate and retain oil and gas in a reservoir.

2.

What first name or nickname would you like us to use?

2. An anticline is a ________ feature resulting from the horizontal compression of a unit of rock.

3. Any impermeable unit of rock through which hydrocarbons cannot easily migrate is defined as a (an)

4. Identify this type of structural trap.

5. Which of the following is classified as a structural trap?

6. Any rock my form a seal if it has:

7. Type of trap created when structural deformation and stratigraphic features are closely interrelated and create more than one possible trapping mechanism.

8. Identify the following type of trap.

9. Identify the following type of trap.

10. Traps caused by deformation of rocks within the Earth's crust are defined as:

11. Identify this type of combination trap.

12. Traps created by variations in the physical characteristics of a unit of rock that leads to change in porosity and/or permeability are defined as

13. Select all of the following that are structural traps?

14. What type of trap forms due to folding combined with faulting?

15. Which of the following make good seals?