Identification of Well Problems Using Well Testing

ACKNOWLEDGEMENT

I extend my sincere gratitude to all those who contributed to the completion of this project. Special thanks to my Supervisor (Name of your Supervisor), the Head of Department (Name of your HOD), the Lecturers in the department of Architecture, Book Authors and Profound Scholars of existing or related project material on “Identification of Well Problems Using Well Testing” for their invaluable guidance, support, and expertise throughout the journey.

I am also grateful to your study area (mention any funding organizations, if applicable) for their financial assistance. This research would not have been possible without the encouragement and assistance of some stakeholders (mention any mentors, teachers, or colleagues). Additionally, I would like to acknowledge the understanding and patience of my family and friends during this endeavor. Your unwavering support has been a constant source of motivation. Thank you all for being part of this meaningful endeavor.

TABLE OF CONTENTS

PRELIMINARY PAGES

Title page
Approval page
Dedication
Acknowledgement
Table of Contents
Abstract

CHAPTER ONE

1.0 Introduction
1.1 Aims and objectives
1.2 Scope and limitation

CHAPTER TWO

2.0 Literature review
2.1 Introduction
2.2 Division of Well Testing
2.3 Objectives of Well Testing (Surface Well Testing)
2.4 Objectives of Well Testing (Sub-surface Well Testing)
2.5 Other reasons for Well Testing
2.5.1 Legal consideration
2.5.2 Economic consideration
2.6 Classification of Well Testing
2.6.1 Periodic productivity test
2.6.2 Production or Deliverability test
2.6.2.1 Productivity index test
2.6.2.2 Inflow Performance Relationship (IPR) test
2.6.2.3 Flow after flow test
2.6.2.4 Isochronal test
2.6.2.5 Modified Isochronal test
2.6.2.6 Potential test
2.6.2.7 Pressure Transient test
2.7 Classification of Pressure Transient test
2.7.1 Pressure Drawdown test
2.7.2 Pressure Build-up test
2.7.3 Injectivity test
2.7.4 Fall-off test
2.7.5 Interference test
2.7.6 Multiple rate test
2.7.7 Drill Stem test
2.7.7.1 Drill Stem test tools and technique
2.7.7.2 Drill Stem testing operations
2.7.8 Pulse test
2.8 Flowing Gradient (FG) and Static Gradient (SG)
2.8.1 Flowing Gradient (FG)
2.8.2 Static Gradient (SG)
2.8.3 Complete BHP (Well testing) profiles
2.9 Basis of Well testing
2.9.1 Reservoir Environment
2.9.2 The inner boundary condition
2.9.3 Well bore storage
2.9.4 Skin effect
2.9.5 Induced fracture
2.9.6 Condition around region Two
2.9.7 Homogenous Reservoir
2.9.8 Heterogenous Reservoir
2.9.9 Outer boundary condition
2.9.10 Transient State phase
2.10 Reservoir boundary phase
2.11 Flow regimes
2.11.1 Steady State flow
2.11.2 Unsteady State flow
2.11.3 Pseudo Steady State flow
2.12 Diagnostic analysis
2.13 Difficulties encountered while performing well test
2.13.1 Periodic change of flowrateand pressure
2.13.2 Stabilization period
2.13.3 Fluid Slugging into the separator
2.13.4 Formation Hydrate
2.14 Well problems
2.14.1 Low productivityv2.14.2 Low reservoir permeability
2.14.3 Low reservoir pressure
2.14.4 Formation damage and skin value
2.14.4.1 The concept of damage zone around the wellbore
2.14.4.2 Skin
2.14.4.3 Formation damage skin
2.14.5 Wellbore or Tubing plugging
2.14.6 High viscosity oil
2.14.7 Excessive back pressure on formation
2.14.8 Inadequate Gas lift system
2.14.9 Gas problem in oil wells
2.15 Description of Terms

CHAPTER THREE

3.0 Case Study
3.1 Well History
3.2 Production data table
3.3 Production versus Time reading for UMU-N2 WELL
3.5 BHP Graph of Pws versust
3.6 The Graph of log p versus t

CHAPTER FOUR

4.0 Analysis of Data
4.1 Production data analysis
4.2 Analysis of the BHP data

CHAPTER FIVE

5.0 Conclusion and Recommendation
5.1 Conclusion
5.2 Recommendations

REFERENCES

Defense Procedure for Architecture Researchers

Be Intentional About Your Research Preparation in Context – As a student of Architecture defending a project or seminar on Identification of Well Problems Using Well Testing, you are expected to be thoroughly acquainted with your research. The defense process follows a structured format where you present your work, respond to questions, and demonstrate its relevance. Here’s a general guide to the defense procedure:

Introduction: Begin with a concise introduction of your research topic, highlighting its significance and the research objectives. This helps set the context for the audience and the External Examiner, allowing them to grasp the scope of your work. Before you step up to defend, ensure that you are familiar with your research abstract and the key components of Chapter One, including the motivation behind your study, the problem statement, the aims and objectives, as well as the scope and significance. For Chapter Two, it is advisable to reference at least two citations from the literature review. In Chapter Three, be prepared to discuss the methodologies, tools, and techniques you employed in your research. Moving to Chapter Four, you must justify your work and explain how your findings align with the objectives of your research.

Conclusion and Recommendations: Wrap up your defense by summarizing the study and offering well-grounded recommendations based on your findings.

Dress Code: Professional attire is an essential component of your final-year research defense. Wearing a suit and tie, for example, can create a positive impression and boost your overall presentation without you having to say a word.

Question and Answer Session: The External Examiner will ask questions based on your research. If you encounter a difficult or unrelated question, respond respectfully with, "Sorry, Sir/Madam, the question asked is beyond the scope of my study". Whenever possible, answer questions by referring directly to your research findings.

Identification of Well Problems Using Well Testing

DEDICATION

ACKNOWLEDGEMENT

TABLE OF CONTENTS

ABSTRACT