PETR 2313 Reservoir Fluid Properties
Homework 4
Name: _ Solution Key _
Problem 1 ( 5 pts.)
Exercise 2-1. Pure 2-methylpentane is held in a closed container at 50 oF. Both gas and liquid
are present. What is the pressure in the container?
Note 1: You can u
PETR 2313 Reservoir Fluid Properties
Homework 3
Name: Solution .
1. (5pts.)
Name three phases (physical states) in which a substance can exist.
Gas (or Vapor)
.
Liquid
.
Solid
.
2. (5pts.)
What is the name of the transition of a substance from solid to li
PETR 2313 Reservoir Fluid Properties
Homework 2
Name:
Solution_
Question 1 (5pts.)
Write the formula and type of bond, and draw the structure for methane molecules.
Molecule: Methane: CH4
Type of Bond: Covalent
Question 2 (5pts.)
Write the formula and typ
PETR 2313 Reservoir Fluid Properties
Homework 1
Name: solution key
Question 1 (10%)
What is the etymological meaning of the word petroleum?
petra=>rock, oleum=>oil, i.e., petroleum=>oil of rock
Question 2 (10%)
What are the names of the five types of petr
Geologic Origin of Reservoir Rocks
Courtesy
The Earth
Dr. Jean Anastasia
Rock Cycle
Courtesy NASA
Rock Cycle
Crust Created
Crust Destroyed
Courtesy USGS
http:/earthquake.usgs.gov/learn/glossary/
Plate tectonics
Courtesy Schlumberger
Geologic Time Scale
Mo
Porosity
Courtesy J. H. Wittke & T. E. Bunch, 2004-2008
Porosity
The pores in rocks deep in the Earth hold
oil, natural gas, and salt water.
How much oil can we extract?
depends on
How much oil is present?
depends on
How much pore space is present*
depend
Petroleum Engineering Department
PETR2311 Reservoir Petrophysics
Spring 2017
Prof. Dr. Dimitrios G. Hatzignatiou
CLASS PROBLEMS SET 1
Problem 1
A cylindrical core has a mass of 30 g, diameter of 2 cm and length 5 cm. It is composed entirely of quartz
sand
PETR 1111
Spring 2017
HW 1
1. Drive the equations for Hexagonal and Rhombohedral Packing.
a. Which one is more likely to happen?
Hexagonal Packing
3
V bV s
Vs
4r
=
=1 =1
=0.395
Vs
Vb
12 3 r 3
V b=2 r 2 r h=4 r 3 sin ( 60 ) =4 3 r 3
4
V s= r 3
3
Rhombohedr
PETR 2313 Petroleum Reservoir Fluids
Homework 5 Solution
February 25, 2016
Due on March 3, 2016
Study Lecture 9 and Chapter 3 of the textbook and solve the following Exercise problems:
(10% each problem)
3-4
Use pseudo-properties from Fig. 3-10 for pseudo
PETR 2313 Petroleum Reservoir Fluids
Homework 4
February 18, 2016
Due on February 25, 2016
Study Lecture 9 and Chapter 3 of the textbook and re-work the 12 example problems
provided throughout Chapter 3. Make it a challenging task by attempting doing each
Reservoir Petrophysics PETR 2311 2 Apr 2015
Quiz on Surface Forces and Capillary Pressure
First Name
Last Name
Student ID
Do not turn over the page until you are instructed to do so.
Pencil or Pen and Eraser. No calculator. Work alone.
15 minutes.
The
PETR 2313 Reservoir Fluid Properties
Homework 2
January 28, 2016
Due on February 4, 2016
Problem 1 (25%)
Write the name, formula and chemical structure for the following substances
a) n-alkanes, from C1 to C10
b) cycloalkanes, from C3 to C8
Solution
a) n-
PETR 2313 Reservoir Fluid Properties
Homework 1
January 21, 2016
Due on January 28, 2016
Problem 1
1) Hexane (C6H14) has 5 chain isomers. Show the structure, formula and
nomenclature of hexane and each of its isomers.
2) Heptane (C7H16) has 9 chain isomer
Reservoir Petrophysics PETR 2311 3 Feb 2015
Quiz on Porosity
First Name
Last Name
Student ID
Do not turn over the page until you are instructed to do so.
Pencil or Pen and Eraser. No calculator. Work alone.
15 minutes.
Suppose you have three types of
PETR 2313 Petroleum Reservoir Fluids
Homework 6
March 10, 2016
Due on March 24, 2016
Solution
Study Lectures 10-11 and Chapter 8 of the textbook and solve the following Exercise
problems from the textbook:
8-1
(5%)
Exercise 8-1. A stock-tank oil has a spe
Reservoir Petrophysics PETR 2311 5 Feb 2015
Quiz on Porosity
First Name
Last Name
Student ID
Do not turn over the page until you are instructed to do so.
Pencil or Pen and Eraser. No calculator. Work alone.
10 minutes.
Industrial measurements of poros
Reservoir Petrophysics PETR 2311 3 Mar 2015
Quiz on Permeability Heterogeneity
First Name
Last Name
Solutions
Student ID
Do not turn over the page until you are instructed to do so.
Pencil or Pen and Eraser. No calculator. Work alone.
15 minutes.
Reservoir Petrophysics PETR 2311 7 Apr 2015
Quiz on Surface Forces and Capillary Pressure
First Name
Last Name
Student ID
Do not turn over the page until you are instructed to do so.
Pencil or Pen and Eraser. No calculator. Work alone.
10 minutes.
A c
Petrophysics Workshop 2
Worksheet 5
Fall 2012
1.) Derive the Hagen-Poiseuille equation for flow through a pipe of
Diameter D and Length L.
a. First find the velocity, V(r).
b. Then calculate the volumetric flow rate, Q.
c. What is the average velocity thr
Petrophysics Workshop 2
Worksheet 3
Fall 2012
1.) (Review) Find the mass of the object in Figure 1
a. When
r
2.) A student takes 5 measurements of the length of a cylinder. The results are
given below:
Trial 1
25.3
Trial 2
25.3
Trial 3
25.2
Trial 4
25.4
Petrophysics Workshop 2
Worksheet 2
Fall 2012
1.) What is the Taylor series expansion (first 3 terms only) of f(x) when f(x)=
a.
x2
b.
c.
d.
sin
cos
tan
2.) Based on your results from question 1, what would be a good
approximation for sin or tan when t
Petrophysics Workshop 2
Worksheet 1
Fall 2012
1.) Find the second derivative with respect to x of:
a.
ex
b.
c.
d.
e.
x n , n 0,1
x
ln x
tan x
2.) Find the anti-derivative with respect to x of:
a.
e x
b.
c.
d.
e.
ln b b x
1
x
cos x
xn
3.) Find the mass
Petrophysics Workshop 2
Worksheet 4
Fall 2012
1.) Derive the velocity gradient for laminar flow between two plates. The
bottom plate (B) is stationary, and the top plate (T) is moving with a
constant velocity, V.
2.) Figure 1 shows a drill string within a
Petrophysics Workshop 2
Worksheet 6
Fall 2012
1.) Find the geometric factor, i.e. the analogue to permeability, for flow
through a bundle of pipes of diameter (d). Let the cross section of the
bundle be a square with side length 10d. Imagine that the pipe
. 154(qu
- I . Siwzk Cubic
Ell a .2
Vokorc a a3=(m
IYJ 03 W 01%ka
Vo\ Mom" 1133 or \M 0% carat.
5
CE = VOLQMES an MA = \MW - \loMmn
~_ VoK. mm VM- tom
= Vo\ .amt'n
_ I I Vt \~W .
. qr
Q-E= Vo\_~m-" A :