PETROENG 4012 - Well Testing & Pressure Transient Analysis

North Terrace Campus - Semester 1 - 2023

Well test objectives and concepts; fluid flow equation and fundamental solution; classical methods: drawdown and buildup analyses, bounded reservoirs; gas well testing; type curves and derivatives; complex systems: multi-layer, dual-porosity, hydraulic fractures; interference and pulse testing; drill-stem testing; test design, equipment and operations.

  • General Course Information
    Course Details
    Course Code PETROENG 4012
    Course Well Testing & Pressure Transient Analysis
    Coordinating Unit Australian School of Petroleum & Energy Resources
    Term Semester 1
    Level Undergraduate
    Location/s North Terrace Campus
    Units 3
    Contact Up to 4 hours per week
    Available for Study Abroad and Exchange
    Course Description Well test objectives and concepts; fluid flow equation and fundamental solution; classical methods: drawdown and buildup analyses, bounded reservoirs; gas well testing; type curves and derivatives; complex systems: multi-layer, dual-porosity, hydraulic fractures; interference and pulse testing; drill-stem testing; test design, equipment and operations.
    Course Staff

    Course Coordinator: Associate Professor Abbas Zeinijahromi

    Course Timetable

    The full timetable of all activities for this course can be accessed from Course Planner.

  • Learning Outcomes
    Course Learning Outcomes
    1 Select appropriate well testing methods and interpret tests' data
    2 Describe the fundamentals behind all types of well test (DST, Formation Testing, Buildup, Interference and Pulse Tests, etc.)
    3 Calculate the reservoir and well properties that can be obtained from various types of tests
    4 Analyse data and assess strengths and limitations of well test interpretation
    5 Derive long term production forecast from a short test
    University Graduate Attributes

    No information currently available.

  • Learning Resources
    Recommended Resources
    Pressure Transient Testing’ by John Lee, John Rollins, John Spivey, SPE 2003
  • Learning & Teaching Activities
    Learning & Teaching Modes
    Lectures supported by problem-solving tutorials developing material covered in lectures
    Workload

    The information below is provided as a guide to assist students in engaging appropriately with the course requirements.

    12 half-day sessions
    Learning Activities Summary
    Overview and Introduction: Session 1
    · Types of reservoir and well situations
    · Types of Tests
    · Fundamental concepts

    Fluid Flow in Porous Media: Session 1-3
    · Derivation of diffusivity equations
    · Solutions to the diffusivity equations
    · Radius of investigation
    · Wellbore storage and skin
    · Principle of superposition

    Pressure Build-up Tests: Session 3-5
    · Ideal and actual build-up tests for oil well (Horner method)
    · Qualitative behaviour of field tests
    · Effects and duration of after-flow
    · Reservoir limit tests
    · Analysis for gas well build-up tests
    · Modification for multiphase flow

    Well Flow Tests: Session 5-6
    · Pressure drawdown tests for oil well
    · Multi-rate tests

    Well Tests Using Type Curves: Session 7-8
    · Fundamental of type curves
    · Ramey’s type curves

    Gas Well Test Analysis: Session 9-10
    · Basic theory of gas flow
    · Flow-after-flow tests
    · Isochronal tests
    · Modified isochronal tests

    Unusual Well Situations: Session 10
    · Stimulated wells
    · Horizontal wells

    Advanced Well Testing Methods: Session 11
    · Interference testing
    · Pulse testing

    Well tests in Naturally Fractured Reservoirs: Session 11-12
    · Naturally fractured reservoir models
    · Pseudo-steady-state matrix flow model
    · Transient matrix flow model

    Well Test Design: Session 12
    · Time-rate schedule
    · Pressure gauges
    · Test string
  • Assessment

    The University's policy on Assessment for Coursework Programs is based on the following four principles:

    1. Assessment must encourage and reinforce learning.
    2. Assessment must enable robust and fair judgements about student performance.
    3. Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
    4. Assessment must maintain academic standards.

    Assessment Summary

    Assessment

    Weighting

    Mid – Course Exam (Paper)

    20 %

    Assignments 1 & 2

     40%

    Online Quiz

    10%

    Final assessment (Paper)

     30 %

    Assessment Detail
    Midterm Exam covers materials taught up to Mid-Semester break.
    Final exam is comprehensive and covers all materials in the course.
    Submission
    Submission of Work for Assessment
    Practical and field class exercises should be submitted in hardcopy with a completed copy of the assessment coversheet that is available from the school office. This should be signed to indicate you have read the above university policy statement on plagiarism, collusion and related forms of cheating.

    Extensions for Assessment Tasks
    Extensions of deadlines for assessment tasks may be allowed for reasonable causes. Such situations would include compassionate and medical grounds of the severity that would justify the awarding of a supplementary examination. Evidence for the grounds must be provided when an extension is requested. Students are required to apply for an extension to the Course Co-ordinator before the assessment task is due. Extensions will not be provided on the grounds of poor prioritising of time.

    Penalty for Late Submission of Assessment Tasks
    Assessment tasks must be submitted by the stated deadlines. There will be a penalty for late submission of assessment tasks. The submitted work will be marked ‘without prejudice’ and 10% of the obtained mark will be deducted for each working day (or part of a day) that an assessment task is late, up to a maximum penalty of 50% of the mark attained. An examiner may elect not to accept any assessment task that a student wants to submit after that task has been marked and feedback provided to the rest of the cla
    Course Grading

    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

    Further details of the grades/results can be obtained from Examinations.

    Grade Descriptors are available which provide a general guide to the standard of work that is expected at each grade level. More information at Assessment for Coursework Programs.

    Final results for this course will be made available through Access Adelaide.

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    SELTs are an important source of information to inform individual teaching practice, decisions about teaching duties, and course and program curriculum design. They enable the University to assess how effectively its learning environments and teaching practices facilitate student engagement and learning outcomes. Under the current SELT Policy (http://www.adelaide.edu.au/policies/101/) course SELTs are mandated and must be conducted at the conclusion of each term/semester/trimester for every course offering. Feedback on issues raised through course SELT surveys is made available to enrolled students through various resources (e.g. MyUni). In addition aggregated course SELT data is available.

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