Unit 10 - Volumetrics

Question 1

What is the gross-interval?

Answer 1

interval from top to base of reservoir flow unit

Question 2

What is the net interval or Gross Sand?

Answer 2

interval satisfying shale cut-off criteria

Question 3

What is the Net Sand?

Answer 3

interval satisfying shale and porosity cut-off criteria

Question 4

What is the Net Pay?

Answer 4

interval satisfying shale, porosity and saturation cut-off criteria

Question 5

What does GRV stand for?

Answer 5

gross rock volume

Question 6

What does NRV stand for ?

Answer 6

Net rock volume

Question 7

What does ODT stand for?

Answer 7

• oil down to

Question 8

what does LKO stand for?

Answer 8

• lowest known oil

Question 9

what does WUT stand for?

Answer 9

• water up to

Question 10

What does HKW stand for?

Answer 10

highest known water

Question 11

What does STB stand for?

Answer 11

• Stock Tank barrels

Question 12

What does SCF stand for?

Answer 12

Standard condition cubic feet

Question 13

What means stochastic?

Answer 13

combination of of both a deterministic and a random component to the calculation

Question 14

When is the Monte Carlo method most appropiate?

Answer 14

• in projects with great uncertainty and strongly skewed distributions→ nearly always used in exploration projects

Question 15

Equation for Reserves?

Answer 15

Reserves = HIP x Recovery Factor

• Hydrocarbons in Place (HIP)