well pressure

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WELL TESTING AND

PRESSURE TRANSIENT

ANALYSIS

26 30 MAY 2014 | KUALA LUMPUR | MALAYSIA

*Selected courses

Train Your Whole Team At A Convenient Time And Location Through In-House Training. Call us at +65 6741 9927 to enquire or email your query to [email protected]. Visit us at www.petroedgeasia.net for more information.

WELL TESTING AND PRESSURE TRANSIENT ANALYSIS

26 30 May 2014 | Kuala Lumpur | Malaysia

Course Description This course is designed to give a comprehensive account of methods and techniques used in modern well testing and analysis. Subsequently to outlining well test objectives and general methodologies, the course briefly gives an outline of theoretical aspects, primarily to show limitations, assumptions and applicability of various techniques. Oil well testing covers traditional and type curve analysis, infinite and bounded reservoirs. Gas well testing and associated multi-rate testing and analysis shows how to determine non-Darcy effects. Heterogeneous reservoirs situations are covered and also more advanced topics. The final course topic, well test design, covers both, equipment and program design. Learning Outcome Course participants will obtain a comprehensive understanding of key aspects of well testing and analysis, covering oil and gas well testing, homogeneous and heterogeneous reservoirs. Course participants will learn about planning and designing of well tests, including equipment requirements. Who Should Attend This course is intended for reservoir and production engineers and persons wanting to gain an understanding of modern well test analysis Course Methodology Numerous field examples and case histories will be used throughout the course to underscore important learning. Your Expert Trainer: Prof Peter Behrenbruch

Prof Peter Behrenbruch is a consultant and an Adjunct Professor at the Australian School of Petroleum at the University of Adelaide (UA), specialising in reservoir engineering, field development planning and petroleum management. He has worked for 40 years in the petroleum industry, most recently as Chief Operating Officer and Project Director for AED Oil and East Puffin (2007-09) for the Puffin offshore development, Timor Sea.

Prior to his academic career (2001-2006), commencing in 2001 as head of the new School of Petroleum Engineering and Management at the UA, he worked for 16 years for BHP Billiton, most recently as Chief Reservoir Engineer for their worldwide petroleum operations. Other positions with BHP Billiton involved mainly technical and project management, and general management positions. He was the project manager (feasibility) for two FPSO projects, the Skua and Griffin area fields, offshore Australia. He was also the Technical Manager for the Dai Hung project, offshore Vietnam where first oil was achieved in just 18 months from sanction. Before that time, he worked for Shell International (8 years) in the Netherlands, including two years as Senior Lecturer Reservoir Engineering at Shells training centre and in Australia, seconded to Woodside Energy, involved in Australias largest capital project (at the time), the Northwest Shelf Gas development. He started his career in Calgary, Canada, first with Hudsons Bay Oil and Gas and then with the US consulting company Scientific Software Corporation. Peter holds a BSc degree in Physics from the University of British Columbia and a MS degree in Nuclear Engineering from Stanford University. He has been an active member of the Society of Petroleum Engineers, including Director for the Asia-Pacific region (1996-98) and as a member of the Board. He was an SPE Distinguished Lecturer during 2001-02 and a PESA Distinguished Lecturer during 2002. He has lectured at many institutions and was a visiting professor at Stanford University in 2000. He has published over 40 papers on both technical and managerial topics. His professional interests are in optimal planning and project management of offshore petroleum discoveries. His primary research interest are in the area of special core analysis and the development of predictive models for reservoir characterisation.




Course Outline

Day 1 FUNDAMENTALS INTRODUCTION What is transient testing?

Testing objectives

Pressure transient concepts

Types of tests and models

OVERVIEW Outline of pressure transient formulation

Historic development

Interpretation and modelling process

THEORETICAL FOUNDATION Flow in porous media

Radial diffusivity equation

Analogous systems

Boundary and initial conditions

Dimensionless variables

Transient solution

Summary of equations

WELL AND NEAR WELL EFFECTS Wellbore storage and afterflow

Skin effect concepts

Limited entry and partial penetration

Horizontal wells and stimulation

Condensate skin

EXERCISES Calculation of diffusivity (various reservoir cases)

Calculation of skin effects

Quantification of afterflow (various cases)

Day 2 PRESSURE TRANSIENT ANALYSIS: OIL WELLS INFINITE ACTING RESERVOIRS Drawdown response

Horner analysis

Type curves (Ramey and Gringarten)

PRESSURE BUILD-UP ANALYSIS: INFINITE ACTING Build-up response and superposition in time

Horner and MDH analysis

Type curve analysis (Agarwal correction)

BOUNDED RESERVOIRS Concepts and superposition in space

Radius of investigation and distance to fault

Closed drainage analysis (MBH and Dietz)

Productivity index (PI)

CASE HISTORIES Challis oilfield, Australia: boundaries and investigated volumes

Jabiru oilfield, Australia: partial penetration and vertical permeability

EXERCISES Tutorial: pressure build-up

Pressure drawdown

Pressure build-up

Day 3 PRESSURE TRANSIENT ANALYSIS: GAS WELLS THEORETICAL FOUNDATION Non-Darcy flow Diffusivity equation for gas flow Superposition of rates

GAS WELL TEST ANALYSIS Concepts and parameters Modified Essis-Thomas method Deliverability relationship

ANALYSIS EXAMPLES Algeria

CASE HISTORY North Rankin and Goodwyn gasfields, Australia

EXERCISES Tutorial: superposition for multi-rate testing Multi-rate gas well test analysis

Day 4 WELL TEST ANALYSIS: HETEROGENEOUS RESERVOIRS NATURALLY FRACTURED RESERVOIRS (DUAL POROSITY) Concepts and parameters Formulation Test analysis

LAYERED RESERVOIRS Two-layered commingled system Cross flow situation Two-layer composite example

HYDRAULICALLY FRACTURED RESERVOIRS Concepts and parameters Formulation Post-fracture analysis and examples

EXAMPLES AND PITFALLS Dual porosity analysis

EXERCISES Dual porosity analysis Hydraulically fractured well test analysis

Day 5 ADVANCED TESTING AND WELL TEST DESIGN INTRODUCTION TO HORIZONTAL WELL TESTING Concepts and parameters Formulation and flow regimes Analysis methods

OVERVIEW OF INTERFERENCE AND PULSE TESTING Interference tests: concepts and analysis

Pulse tests: concepts and analysis WELL TEST EQUIPMENT AND DESIGN Pressure gauges: specifications and history Test string configuration Fluid sampling considerations Test design considerations

DESIGN CONSIDERATIONS: EXAMPLE FROM MALAYSIA

EXERCISES Interference test Design

North Sea test analysis




EARLY BIRD NORMAL TEAM DISCOUNTS

KUALA LUMPUR | MALAYSIA 26 30 May 2014

SGD 4199 SGD 4399

petroEDGE recognises the value of learning in teams. Group bookings at the same time from the same company receive the following: 3 or more at 5% off 5 or more at 7% off 8 of more at 10% All other promotions including early bird are exclusive of the group discount.

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