THE UNIVERSITY OF LOUISIANA
PETROLEUM ENGINEERING DEPARTMENT
DRILLING ENGINEERING, PETE 491
QUIZ 3
NAME: |D#:
Question
A well is being drilled at a depth of 5, 000 ft using a mud weight of 10 ppg. The well needs to be
cased at this depth. Suppose that the

QUIZ 1 Solution
University of Louisiana
Petroleum Engineering
Drilling Engineering, PETE 491
QUIZ #2 Solution
Question
You are planning to drill a well with a rig where 8 lines are strung
between travelling block and crown block. Maximum anticipated
drill

THE UNIVERSITY OF LOUISIANA
PETROLEUM ENGINEERING DEPARTMENT
DRILLING ENGINEERING, PETE 491
QUIZ 3
NAME:_ ID#:_
Question
A well is being drilled at a depth of 5, 000 ft using a mud weight of 10 ppg. The well
needs to be cased at this depth. Suppose that t

7.1) Discuss the functions of the following casing strings.
a) Conductor Casing-This casing is also known as the Conductor Pipe or Drive Pipe. This
is the first set of casing used during drilling operations. This
Conductor
Pipe or Drive Pipe isolates weak

University of Louisiana at Lafayette
Petroleum Engineering
PETE 491
Homework 8 Solution
Homework 8 Solution
7.1) Functions of Casing Strings:
a) Conductor Casing
Provides a mud return path
Prevents erosion of ground below rig
Same as Drive pipe
Supports t

PETE 491
DRILLING ENGINEERING
Drilling Bits
Contents:
Drillability & why are we drilling?
Criteria for selecting the best bit for a given
situation.
Bits Types & Classifications
Relative Costs of Bits
Drillability
How well the bit drills depends on severa

University of Louisiana
at Lafayette
Homework 3 Solution
Course : PETE 491
University of Louisiana
at Lafayatte
1.14) Length of Drillstring, Ldp
=
9000 ft
Outer Diameter of Drill pipe, ODdp
=
5 in
Weight per foot of Drill pipe
=
19.5 lbf
Length of Drill c

Kicks and Well Control Methods
Kicks - Definition
Kick Detection
Kick Control
(a) Kick Control Methods
* Drillers Method
Engineers Method
1
What?
What is a kick?
An unscheduled entry of
formation fluid(s) into the
wellbore
2
Why?
Why does a kick occur

PETE 491
DRILLING ENGINEERING
FRACTURE GRADIENT
Dr. Abdennour Seibi
OBJECTIVES
Introduce the Leak-Off-Test
Determine the formation Fracture Gradient
Well Planning
Safe drilling practices require that the following be
considered when planning a well:
Po

University of Louisiana
at Lafayette
Homework 4 Solution
Course : PETE 491
University of Louisiana
at Lafayatte
2.25) Density of old mud, old
=
12 ppg
Volume of old mud, Vold
=
600 bbl
Density of new mud, old
=
14 ppg
Suppose Volume of new mud is Vnew
Vol

PETE 491
DRILLING ENGINEERING
IN CLASS TUTORIAL
PART ONE
OBJECTIVES
Formation pore pressure is determined using:
Drilling Parameters
d_exp Method
Zamora Method
Seismic Analysis
Average travel (transit) time
Similar matrix stress
Examples
Drilling

University of Louisiana
at Lafayette
Homework 2 Solution
Course : PETE 491
University of Louisiana
at Lafayatte
1.1)
i)
ii)
iii)
iv)
Engine Speed
(rpm)
1200
1000
800
600
Torque
(ft-lbf)
1400
1550
1650
1700
Heating Value of diesel, H
=
Fuel Consumption
(ga

PETE491
DRILLING ENGINEERING
CASING DESIGN
Dr. Abdennour Seibi
OBJECTIVES
Understand primary functions of casings
Recognize the various types of casing strings used.
Understand the procedures used in the design of
casing strings.
http:/www.youtube.com/

FORMATION PRESSURE
PREDICTION PRIOR TO DRILLING
Commonly Used Methods Of Estimating
Formation Pressures
1
Outline
PART ONE:
1. Importance of pressure estimation
2. Normal/Abnormal sediments
3. Overburden pressure
PART TWO:
1. Formation pressure
2. Forma

DRILLING
HYDRAULICS
Drilling Hydraulics
Hydrostatic Pressure in Liquid Columns
Hydrostatic Pressure in Mixed Columns
Forces on Submerged Body
Effective (buoyed) Weight of Submerged Body
Non-static (Dynamic) Well Conditions Fluid Flow
Hydraulic Horse

University of Louisiana
at Lafayatte
1.6)
Maximum equivalent derrick load, Fde
=
500000
lbf
Strength of Drilling line, Sf
=
51200
lbf
Strength of drill pipe in tension, Sd
=
396000
lbf
Number of lines, n
=
8
Efficiency,E
=
0.841
Safety factor
=
2
Consider

University of Louisiana
at Lafayette
Homework 5 Solution
Course : PETE 491
University of Louisiana
at Lafayatte
4.1) Density of mud, mud
=
True Vertical Height, H
=
10 ppg
10000 ft
Phydro 0.052 mud H
Hydrostatic pressure only depends on true vertical heig

THE UNIVERSITY OF LOUISIANA
PETROLEUM ENGINEERING DEPARTMENT
PETE491
Homework # 7
6. 15
Using the data given in the table below, construct a plot of pore pressure vs. depth. Compute the pore
pressure using the method of Zamora.

DRILLING ENGINEERING
PETE 491
25 AUGUST 2014
Dr. Abdennour Seibi
COURSE MATERIAL
Types of drilling rigs and components;
Drilling fluids and drilling hydraulics,
Kicks and well control
Bits & bit selection;
Formation pressure;
Casing design;
Introdu

BASIC DRILLING
ENGINEERING
Dr. Abdennour C. Seibi
1
OBJECTIVE
To familiarize students with
(1) the basic rotary drilling equipment and
operational procedures.
(2) introduce the student to drilling cost
evaluation.
OUTLINE
Why We Drill?
Historical Backgr