Confidence-Based Multiple-Choice Quiz

1. What do "onconventionele hulpbronnen" primarily refer to?

A. Conventional oil and gas reserves B. Renewable energy sources C. Hydrocarbons trapped in shale or tight reservoirs D. Biofuel production

Confidence: Low (1) Medium (2) High (3)

2. Which two key technologies enabled the extraction of unconventional resources?

A. Vertical drilling and water-flooding B. Hydraulic fracturing and vertical drilling C. Horizontal drilling and hydraulic fracturing D. Horizontal drilling and steam injection

Confidence: Low (1) Medium (2) High (3)

3. What is the primary benefit of horizontal drilling in shale plays?

A. Reducing drilling cost B. Maximizing the contact with the reservoir C. Lowering environmental impact D. Shortening drilling time

Confidence: Low (1) Medium (2) High (3)

4. What does Total Organic Carbon (TOC) measure?

A. The percentage of mineral content B. The thermal maturity of the rock C. The percentage of organic material in the source rock D. The density of natural fractures

Confidence: Low (1) Medium (2) High (3)

5. Which parameter is commonly used to evaluate thermal maturity in reservoir rocks?

A. Vitrinite reflectance (Ro) B. Total Organic Carbon (TOC) C. Mineralogical composition D. Fracture density measurement

Confidence: Low (1) Medium (2) High (3)

6. What is the role of pre-existing natural fractures during hydraulic fracturing?

A. They have no impact on the process B. They always interfere negatively with production C. They can help create a more extensive fracture network D. They lead to immediate well failure

Confidence: Low (1) Medium (2) High (3)

7. Which Enhanced Oil Recovery (EOR) method is primarily used to reduce heavy oil viscosity?

A. Gas injection EOR B. Chemical EOR C. Polymer flooding D. Thermal EOR via steam injection

Confidence: Low (1) Medium (2) High (3)

8. Apart from enhancing oil recovery, what is an additional benefit of injecting CO2?

A. Reducing drilling waste B. Permanently storing CO2 underground C. Lowering water consumption D. Increasing reservoir pressure

Confidence: Low (1) Medium (2) High (3)

9. Which energy transition application heavily relies on geological expertise to evaluate underground storage options?

A. Solar energy harvesting B. Wind turbine installation C. Carbon Capture, Utilization, and Storage (CCUS) D. Biomass energy production

Confidence: Low (1) Medium (2) High (3)

10. When planning underground hydrogen storage, what is a critical consideration for geologists?

A. Availability of fracking fluids B. Estimating reservoir permeability C. Evaluating the integrity of the storage formation D. Assessing the geothermal gradient

Confidence: Low (1) Medium (2) High (3)