10/5/2016 Reservoir Flow
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Reservoir Flow
Flow in a reservoir is often characterized as being one of two types: transient or boundarydominated.
Transient flow takes place during the earl
10/10/2016 Exponential integral  Wikipedia, the free encyclopedia
Exponential integral
From Wikipedia, the free encyclopedia
In mathematics, the exponential integral Ei is a special
mction on the complex plane. It is dened as one particular m
denite inte
TRANSIENT AND PSEUDOSTEADYSTATE PRODUCTIVITY
OF HYDRAULICALLY FRACTURED WELL
A Thesis
by
ARDHI HAKIM LUMBAN GAOL
Submitted to the Office of Graduate Studies of
Texas A&M University
in partial fulfillment of the requirements for the degree of
MASTER OF SC
SPE 159687
Productivity Index and Inflow performance of Hydraulically Fractured
Formations
S. Al Rbeawi, SPE, D. Tiab, SPE, University of Oklahoma
Copyright 2012, Society of Petroleum Engineers
This paper was prepared for presentation at the SPE Annual Te
PETROLEUM TRANSACTIONS
Effect of Vertical Fractures on Reservoir BehavoirResults on Oil and Gas Flow
MICHAEL PRATS
J. S. LEVINE
MEMBERS AIME
ABSTRACT
A homogeneous and uniform cylindrical reservoir containing oil and gas is fractured vertically on complet
PROCEEDINGS, ThirtyNinth Workshop on Geothermal Reservoir Engineering
Stanford University, Stanford, California, February 2426, 2014
SGPTR202
Formation damage and fines migration in geothermal reservoirs
(modelling and field case study)
Zhenjiang You1
A G R I C U L T U R A L
A N D
M E C H A N I C A L
C O L L E G E
No Distribution of Pressures and Saturations
No Indication of Unswept or Uncontacted Areas
Does Not Use Spatial Information
Reservoir properties are average properties
Reservoir is a tank

Effect of Vertical Fractures on Reservoir BehaviorCompressibleFluid Case
M.PRATS
MEMBER A/ME
P. HAZEBROEK
W. R. STRICKLER
ABSTRACT
The pressure and production behavior of a homo geneous cylindrical reservoir producing a single
fl.ui~ through a centrally
Pressure Buildup and Flow Tests in Wells
C. S. Matthews
Manager of Exploitation Engineering
Shell Oil Company
D. G. Russell
Staff Exploitation Engineer
Shell Oil Company
Henry L. Doherty Memorial Fund of AIME
Society of Petroleum Engineers of AIME
New Yor
SPE 89935
Analytical Method of Evaluating Productivity Index for Constant Production Rate or
Constant Wellbore Pressure
A. Ibragimov1, D. Khalmanova1, P.P. Valko2 and J. Walton1, Texas A&M University, 1Department of Mathematics,
2
Department of Petroleum
Petro 424
Section I
PI, IPR Curves
Productivity Index
J
The ratio of the production rate of a well to its
drawdown pressure.
bpd/psi
Drawdown Pressure p The pressure drop between the reservoir ( ps)
and the flowing bottom hole pressure (pwf).
J
q
ps p
355
3
BESSELFUNCTIO
v ' _ .
.:_" ~. '
rd6 t. '
_ u; . . ,.
cfw_ .~ .
nSs DIFFERENTIAI. EQUATION
,._.I.I w. 3"
'v
24.1  322/ + 3914 + (462712)? = 0 n
"V
o
Solutions of this equation are called Bessel functions of order n.
BESSEL FUNCTION
Introduction to Applied Well Test Interpretation 7
Pore space Grains
V.
Fig. LITPorosity is a measure of the capacity of the reservoir rock to store fluids.
1.6.1 Rock Properties. in this section. we will discuss the porosity. uid saturations. permeabil
A Bridge Between Theory and Practice
391
THE DIMENSIONLESS FORM OF THE RADIAL FLOW EQUATION
In Chapter 1, the following equation is presented:
a Pr,t + ~ aPr,t = 3,792 S aPr,t
ar2
r ar
T
at
2
(126)
Equation 126 is valid when oilfield units (ft, hr, STBI