The bulk density of a brine saturated core sample is 1.9 gm/c. If the density of brine solution and core matrix are 1.04 gm/cc and 2.55 gm/cc, the porosity of the formation will be:

Absolute k with oil and water is 100mD. If the relative permeability to water is 0.40, the effective permeability to oil is

Reservoir begins to fill up with oil is termed as

The relationship characteristic of the displacement of the wetting phase from residual saturation to irreducible saturation is called

Which of the following relationship is true?

Which of the following statement is true?

a) The non-wetting phase occupies the Larger pore spaces where flow occurs with the least difficulty b) The non-wetting phase flows at the relatively lower saturation (Soc = 17%) than wetting phase (Swc= 20%).

If the pressure in water is greater, the rock is____
a) oil wet
b) Neutrally wet c) water-wet

Volatile oils are characterized by:

a) Gravities > 45oAPI b) Formation factor > 2 c) High solution gas ratios d) All of the above

Using the following parameters, what is the ratio of the gas cap to the oil rim, m? Area = 80 acres,
net pay thickness = 50 ft
average porosity = 20%,initial water saturation, Swc = 10%, Sg = 10%, Boi = 1.42rb/stb, Bgi = 0.8 rb/mscf.

Which of the following is incompressible fluid?
a) Dead oil
b) Live oil c) Gas

For volatile oils, which sampling
method is preferred?
a) Subsurface sampling b) Wellhead sampling c) Surface separator sampling d) None of the above