PETROENG 7038 - Well Testing & Pressure Transient Analysis
North Terrace Campus - Semester 2 - 2017
General Course Information
Course Code PETROENG 7038 Course Well Testing & Pressure Transient Analysis Coordinating Unit Australian School of Petroleum Term Semester 2 Level Postgraduate Coursework Location/s North Terrace Campus Units 3 Contact Intensive short course of lectures, seminars Available for Study Abroad and Exchange Y Assumed Knowledge Relevant industry experience or courses equivalent to MATHS 1012, MATHS 2201, MATHS 2104, PHYSICS 1100, PETROENG 2009, MECH ENG 2021, PETROENG 3025, COMP SCI 1201 Course Description The course first introduces the purpose of well testing and the basic methodology. The theory and fundamental equations, as well as various understanding analytical solutions are covered before introducing specific analysis techniques for homogeneous oil and gas reservoirs. Non-homogeneous situations and more advanced topics are also covered. Assumptions made in deriving equations and solutions and models used in test interpretation are stressed. Operational aspects are covered in terms of test design and use of specialised testing equipment. The course covers well test objectives and concepts; fluid flow equations and fundamental solutions; classical methods for drawdown and build-up analysis, bounded reservoirs, gas well testing, dual-porosity, hydraulic fractures, interference and pulse testing, test design.
Overview of practical methods, some field examples and browsing the commercial software will introduce students into practice of well testing and pressure transient analysis.
Course Coordinator: Prof Peter Behrenbruch
The full timetable of all activities for this course can be accessed from Course Planner.
Course Learning Outcomes
1 Students will learn various techniques of pressure transient analysis, part of the reservoir engineering discipline. The course will be based on a mathematical foundation of partial differential equations. 2 Students will use real field data and will gain the understanding of how such data is obtained in the field, including accuracy and limitations. 3 Students will have tutorials and class exercises where they will work by themselves and in groups. 4 There will be group discussions and students may have to present their results. The benefit of interdisciplinary team work at the work place is stressed. 5 Students will learn about well test design and the modern hardware used in the field. 6 A number of technical papers will be handed out involving case histories and students will get an appreciation that the learning process never stops. 7 Some of the case histories will point out risks involved in well testing and how best engineering practice will minimise such risks.
University Graduate Attributes
No information currently available.
Required ResourcesText Book is optional (limited numbers may be available from the School office – ground floor):
Horne, Roland: Well Test Analysis: A Computer Aided Approach
Comprehensive class notes will be handed out, as well as a number of teaching aids related to computer exercises.
Recommended ResourcesA number of technical papers will be handed out for further reading.
Learning & Teaching Activities
Learning & Teaching ModesThe breakdown for each day is approximately as follows (7 contact hours per day):
Theory: 1.5 hours
Analysis Techniques or Detailing of Operations/ Equipment: 1.5 hours
Case History: 1 hour
Tutorial/ Discussion: 1 hour
Exercise/ Quiz: 2 hours
The information below is provided as a guide to assist students in engaging appropriately with the course requirements.In addition to class work, students have reading assignments and take away assessment tasks on several days. Assignments are completed after the course and should take approximately 1-2 days to complete.
Learning Activities SummaryDay 1:
I – Well Testing Course Outline and Course Conduct
L1 – Introduction
L2 – Overview
L3 Theoretical Foundation
GE – Derivation of Radial Diffusivity Equation: Group Exercise
GP – Group Presentation
AT1 – Briefing on Assessment Tasks
L4 – Well and Near Well Effects
L5 – Infinite Acting Reservoirs and Analysis
L6 – Infinite Acting Examples (see Textbook)
L7 – Analysis of Pressure Build-up: Infinite Acting Reservoirs
T – Build-up Analysis: Tutorial - Problem 1
L9 – Superposition Theory
L10 – Theory for Bounded Reservoirs
L8 – Analysis for Bounded Reservoirs
L11 – Field Examples – Dai Hung and Timor Sea
E1 – Interference Test Analysis: Exercise 2 - Problem 2
L12 – Gas Well Test Formulation
L13 – Gas Well Test Analysis
L14 – Well Test Design and Operations
L15 – Naturally Fractured Reservoirs (Dual Porosity)
E2 – Gas Well Test Analysis: Exercise 3 – Problem 3
D1 – Discussion on Testing Data, Reporting and Safety
L16 – Naturally Fractured Reservoirs: Examples
L17 – Computer-aided Analysis
L18 – Layered Reservoirs
L19 – Hydraulically Fractured Wells
AT1 – Start Assessment Tasks
L20 – (Hydraulically Fractured) Gas Wells: Examples
L21 – Introduction to Horizontal Well Tests
L22 – Introduction to Interference and Pulse Testing
QZ – Quiz
AT2 – Continue Assessment Tasks
ATx – assessment tasks
I – introduction to course and expectations
Lx – lectures
Ex – exercises
GE – group exercise
GP – group presentation
Q - Quiz
T – tutorial
Specific Course RequirementsStudents should spend some time on the weekend on their assessment tasks, to be able to seek possible clarification on the last day of class.
The University's policy on Assessment for Coursework Programs is based on the following four principles:
- Assessment must encourage and reinforce learning.
- Assessment must enable robust and fair judgements about student performance.
- Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
- Assessment must maintain academic standards.
Assessment SummaryThere are three assessment tasks: in class quiz, assignment (started during classes) and the final exam.
Assessment Related RequirementsStudents are expected to attend all classes, tutorials and exercise sessions. The instructor may adjust the final mark of students based on class participation.
Assessment DetailThe quiz examines concepts in well test analysis (short answers, multiple choice, fill in blanks etc.) and is close book and notes, lasting 45 minutes. The quiz is conducted in the afternoon of the last day and counts for 10% of the overall grading for the course.
The assignment involves several problems, using real field data. As such, these problems will be worked on by students on a limited basis during the course but are open ended. The due date of the assignment is 3 weeks after the final day of the course. The assignment counts for 40% of the overall course assessment, and a detailed mark breakdown by problem will be given at the time of the handout.
The final exam will be open book and notes. The exam will be held during the semester 2 exam period, date and time to be advised. The final exam counts for 50% of the overall course assessment.
SubmissionAssignments are to be submitted in hard and softcopy (details to be advised) to the assignment boxes on level 2 of the Santos Petroleum Engineering Building (by date to be advised). Unless medical or other serious circumstances apply, students may lose marks.
Grades for your performance in this course will be awarded in accordance with the following scheme:
M10 (Coursework Mark Scheme) Grade Mark Description FNS Fail No Submission F 1-49 Fail P 50-64 Pass C 65-74 Credit D 75-84 Distinction HD 85-100 High Distinction CN Continuing NFE No Formal Examination RP Result Pending
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All students who achieve a mark in the range of 45-49% are entitled to a form of additional assessment if they have not previously been offered redemption opportunities during the course. At the discretion of the School or Faculty, the assessment may take the form of an examination.
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