Chapter 1-phase

Question 1

What is a phase ?

Answer 1

Any homogeneous part of a system that is physically distinct from other parts of the system by definite boundaries.

Question 2

The most important phases that occur in petroleum reservoirs are —?

Answer 2

Liquid phase ( crude oil or condensates )

Gas phase ( natural gases)

Question 3

Single component system

Answer 3

This is the simplest type of hydrocarbon system to consider.

Question 4

What does a component mean?

Answer 4

A component is the number of molecular or atomic species present in a substance.

Therefore single component system is composed of entirely one kind of atom or molecule .

Question 5

What is a critical point ?

Answer 5

This is the point where all intensive properties of gas and liquid phases are equal