UNIVERSITY OF LOUISIANA AT LAFAYETTE
COLLEGE OF ENGINEERING
DEPARTMENT OF PETROLEUM ENGINEERING
PETE 382:
Instructor:
Term:
Drilling Fluids
Ahmed Temani
Summer 2015
Homework 4
Due Date: 07/14/2015
1- Define: Laminar flow and Turbulent Flow.
2- Would the p

University of Louisiana
Department of Petroleum Engineering
Drilling Fluids, PETE382
W TECH
Name: gb l LL CLID:
Part I Concepts: (15 points)
1) List the three types of chilling uids (1.5 pts)
OISE chweid
1N (lit 9»- Email
PM". LLlibLLl-Fi {N / (17
2) Ex

DRILLING FLUIDS
PETE 382
Week 1: 6th -9th June 2016
By: Tamla Springer
COURSE MATERIAL
Types of drilling fluids and how they are selected;
Drilling fluids circulating system,
Mechanical properties of drilling fluids;
Rheology (Non-Newtonian fluids),
Prope

PETE 384
LAB 1: Hydrocarbon Reservoirs
1. Explain the meaning of the term reservoir as used in its broadest sense. Give
examples.
A: There are a lot of meanings for reservoir, but one of the broadest meanings is
a place where anything is collected or accu

Tripping Jobs
By : Ahmed Temani
What is tripping ?
In some cases during drilling, the whole drill
string must be pulled out to bring the bit to
surface to either put a new bit or carry out
some other operation (e.g. Casing, Logging)
This operation of pu

UNIVERSITY OF LOUISIANA AT LAFAYETTE
COLLEGE OF ENGINEERING
DEPARTMENT OF PETROLEUM ENGINEERING
PETE 382:
Instructor:
Term:
Drilling Fluids
Ahmed Temani
Summer 2015
Homework 1
Due Date: 06/16/2015
1/ State the types of mud and explain the use of each one

UNIVERSITY OF LOUISIANA AT LAFAYETTE
COLLEGE OF ENGINEERING
DEPARTMENT OF PETROLEUM ENGINEERING
PETE 382:
Instructor:
Term:
Drilling Fluids
Ahmed Temani
Summer 2015
Homework 2
Due Date: 06/23/2015
1/ Define: Yield Point, Plastic Viscosity, Apparent Viscos

UNIVERSITY OF LOUISIANA AT LAFAYETTE
COLLEGE OF ENGINEERING
DEPARTMENT OF PETROLEUM ENGINEERING
PETE 382:
Instructor:
Term:
Drilling Fluids
Ahmed Temani
Summer 2015
Homework 3
Due Date: 06/29/2015
1/ How much Oil (in bbl), Water (in bbl) and Barite (in sa

UNIVERSITY OF LOUISIANA AT LAFAYETTE
COLLEGE OF ENGINEERING
DEPARTMENT OF PETROLEUM ENGINEERING
PETE 382:
Instructor:
Term:
Drilling Fluids
Ahmed Temani
Summer 2015
Name:_
Homework 5
Due Date: 07/27/2015
CLID:_
Problem I Tripping Jobs
1. Define Swabbing a

Introduction to Drilling Fluids
By : Ahmed Temani
How do we drill a well?
Video
(Source : https:/www.youtube.com/watch?v=Do9dz6ypD7w)
Overview
We will discuss the following:
What
is a drilling fluid?
Primary functions of drilling fluids
Types of fluids
Dr

MUD PROPERTIES
AND MEASUREMENTS
MUD PROPERTIES AND MEASUREMENTS
Basic Properties and Measurements
The main properties of a drilling fluid are:
Density
Rheology
Fluid loss
Inhibition
Solids Content
These must be achieved in a safe and cost effective w

Circulation System & Volume
Calculations
A drilling rig is usually composed of 4 systems :
- The circulating system pumps the drilling fluids down the hole, out
of the nozzles in the drilling bit, and returns them to the surface
where the cuttings are sep

University of Louisiana at Lafayette
College of Engineering
Department of Petroleum Engineering
PETE 382 Drilling Fluid
Homework No.: 2
Section No.: 2
Date Submitted: 06/23/2016
Submitted to:
Academic Honesty Policy:
Being a student of high standards, I h

Drilling Fluids
PETE 382
Lecture 2: Mud Testing
Week 2: 13th 16th June 2016
Drilling Fluid Properties
Common drilling fluid properties
Viscosity
Density
Gel strength
Water loss
Chemical content (chlorides, calcium, pH, etc.)
2
Drilling Fluid Propert

Drilling Hydraulics
Week 3
Objectives
Flow Regimes
Hydrostatic Pressure
Buoyancy
Circulating Pressure
2
Types of Flow- Laminar
Mud properties strongly
affect pressure losses
Laminar flow is the
preferred type of flow in
the annulus(in vertical
wells)
L

THE UNIVERSITY OF LOUISIANA
PETROLEUM ENGINEERING DEPARTMENT
DRILLING FLUIDSl PETE 382
TEST 2 Solution
PART 1: Concepts (15 points)
al
bl
dl
(1 pt)
Tripping in refers to running the drill string back in the hole and tripping out refers to
pulling the dril

University of Louisiana at Lafayette
PETE 382 : Drilling Fluids
Assignment 1 Solution
Question #1
A circulating system of 1000 bbls has a density of 12.0 lb/gal. There are 300 bbls of 10.0 lb/gal
mud in storage on the rig site. How many barrels of 10.0 lb

University of Louisiana
Department of Petroleum Engineering
Drilling Fluids, PETE382
QUIZ # 1 Solution
Question 1 (6 points)
a) List five functions of drilling fluids
1)
2)
3)
4)
5)
6)
7)
8)
(2.5 pts)
Control Subsurface Pressure
Transport Cuttings
Support

University of Louisiana
Department of Petroleum Engineering
Drilling Fluids
QUIZ # 2 SOLUTIONS
Question 1: Concepts
1. Explain briefly about plastic viscosity.
(1 pt)
Plastic Viscosity is the rate of change of shear stress with respect to shear rate. It i

University of Louisiana
at Lafayette
HW 3 Solution
Q1
Part I
Total Volume of Surface System
Three Pits:
Width
W0
=
6 ft
Length
L0
=
31 ft
Height
H0
=
7 ft
Height of mud in each pit
H1
=
64 in
=
5.333333 ft
H2
=
64 in
=
5.333333 ft
H3
=
46 in
=
3.833333 ft

UNIVERSITY OF LOUISIANA
PETROLEUM ENGINEERING
DRILLING FLUIDS, PETE 382
HW #4 SOLUTION
Q1
Define water based mud and oil based mud and state the difference between them
WBM: Drilling fluid that has water as primary base
OBM: Drilling fluid that is compose

Drilling Fluid Properties
Week 2
Hydrostatic Pressure
(Hydrostatic head)
The pressure exerted by a column of
fluid on its confined surroundings
Hydrostatic Pressure
HP MW 0.052 TVD
Where:
HP = Hydrostatic pressure(psi)
TVD = True Vertical Depth (or height

Tripping Job
POOH, RIH
Recall: Pump Output
2
Hydrostatic Pressure
3
Effective (buoyed) weight
4
Example
5
What is tripping?
While drilling, the entire drill string must be
POOH/POH to bring the bit to surface to either
put a change bit or carry out anoth

Circulation System & Volume
Calculations
Week 2
Part 3
Rig System
Power system
Diesel engines or hydraulic drives
Hoisting system
Derrick and substructure, draw
works
Circulating systems
Mud-tanks, mud pumps, surface
connections, drill string to the

The University of Louisiana
Department of Petroleum Engineering
Drilling Fluids, PETE 382
QUIZ 3 Solution
For the well shown below, find
a)
b)
c)
d)
the volume in the drillstring
(3 pts)
the volume in the annulus
(3 pts)
The total volume in the drillstrin