Page 515 - Petrophysics

NOMENCLATURE 483

K1 = 16mD $3 = 0.110
K2 = 8 mD pg = 0.15 CP

K3=5mD 2 = 0.92
hi = 5 ft yg = 0.65

Calculate:

a. The average permeability of the reservoir
b. The turbulence factor.
c. The non-Darcy flow coefficient.
d. The pressure drop due to turbulent flow.
e. The pressure drop due to Darcy flow.
f. The pressure at the radius re.

NOMENCLATURE

area
gas formation volume factor
oil formation volume factor
total compressibility
non-Darcy flow coefficient
recovery factor in fracture
recovery factor in matrix
drainage boundary index
specific density of fractures
acceleration of gravity
formation thickness
permeability
permeability of channels
fracture permeability
matrix permeability
average permeability of fracture-matrix system
length
molecular weight
real gas pseudo-pressure function
constant
number of channels
number of fracture
pressure
external boundary pressure
mean pressure
well pressure