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Application of Reveal for polymer flooding modelling

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  • Pages:61
  • Format:Microsoft Word
(Petroleum Engineering Project Topics & Materials)

ABSTRACT

The maximum recoverable oil in place from the reservoir is a major challenge when it comes to EOR which is an essential part of every oil production project. In some cases, the natural drive mechanism is a relatively inefficient process and results in a low overall oil recovery. The lack of sufficient natural drive in such reservoirs has led to the practice of supplementing the natural reservoir energy by introducing some form of artificial drive, the most basic method being the injection of water. The aim of this project is to; first develop a reservoir simulation model of a typical polymer flooding process using REVEAL software, considering a simple homogenous reservoir.  The objectives are to predict average reservoir parameters, to predict valuable production parameters, to produce 3-D graphic of the reservoir, to produce wellbore graphics of variation in pressure, temperature etc. ad to make valuable recommendations of the best approach for polymer application in EOR. Average reservoir results shows that a rapidly declining water pressure from 10/07/2016 to 06/04/2019 with slight increment in pressure around 7/08/2017. This may be due to the well being shut-in probably during maintenance or workover operation. The reservoir average result also shows that the oil recovery increased from 2016 to 2019 while the oil saturation declined rapidly. The pore volume showed a slight reduction to about 2.3525e. Liquid produced from 2016 showed erratic behavior till 2017 where there was no production to confirm the water pressure increment and oil pressure increment in 2017 earlier stated. There was a high water cut which started at 2017 to 2019. However, water cut was quite low at the beginning of production for few months in 2016. Salinities was quite good for the reservoir while oil pressures increased towards boundary. I recommend that production strings can be redesigned for polymer reinjection to save cost of drilling injection wells. I also recommend continuous monitoring should be carried out on polymer injected wells or reservoir.


TABLE OF CONTENTS

                                                                                                                      Page

Title page                                                                     

Certification                                                                                                      i

Dedication                                                                                                         ii                                                                

Acknowledgment                                                                                              iii

Abstract                                                                                                             IV

Table of contents                                                                                              V

List of figures                                                                                                    VI

CHAPTER ONE: INTRODUCTION

1.1 Background of Study                                                                                    1   

1.1.2 Polymer Flooding                                                                                      2   

1.1.3 Basic Simulation Background                                                                  4     

1.1 Statement of Problem                                                                                 5

1.2 Significance of Study                                                                                   5  

1.4 Objectives of the Study                                                                                 6

CHAPTER TWO: LITERATURE REVIEW

2.1Historical Background of Polymer Flooding                                             7   

2.2 Polymers                                                                                                     8

2.3Recovery from oil reservoirs                                                                        9

2.3.1 Primary recovery                                                                                      9

2.3.2 Secondary recovery                                                                                  13

2.3.3 Tertiary recovery                                                                                     16

2.4 Polymer flooding mechanism                                                                     16                                                                   

2.5 Types of Polymers for EOR Process                                                         17

2.5.1 Xanthan Gum (corn sugar gum)                                                            19

2.5.2 Synthetic/polyacrylamide                                                                        20

2.5.3 Biopolymer/polysaccharide                                                                     21

2.6 Reveal                                                                                                           22                                                                                                                                                                                                                                                

CHAPTER THREE

MATERIALS AND METHODS

3.1 Materials used                                                                                             24

3.2 Methods used                                                                                               24

3.2.1 Control section                                                                                         25

3.2.2 Reservoir section                                                                                      25

3.2.3 Physical section                                                                                        28

3.2.4 RelPerm section                                                                                       30

3.2.5 Mobility section                                                                                       30

3.2.6 Phase section                                                                                          33

3.2.7 Adsorption section                                                                                 33

3.2.8 Well section                                                                                             36

3.2.9 Initialization section                                                                               37

CHAPTER FOUR: RESULT AND DISCUSSION

4.1 Results                                                                                                         40

4.1.1 Average reservoir result                                                                          40

4.1.2 Well results                                                                                              40

4.1.3 Reservoir 3D results                                                                                46

4.1.4 Well bore results                                                                                      54

4.2 Discussion                                                                                                    58

CHAPTER FIVE

CONCLUSION AND RECOMMENDATION

5.1 Conclusion                                                                                                   59

5.2 Recommendation                                                                                        60

REFERENCES                                                                                            61-62     

APPENDICES                                                                                                  63






Application of Reveal for polymer flooding modelling

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Details

Type Project
Department Petroleum Engineering
Project ID PEE0035
Price ₦3,000 ($9)
No of Pages 61 Pages
Format Microsoft Word

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    Details

    Type Project
    Department Petroleum Engineering
    Project ID PEE0035
    Price ₦3,000 ($9)
    No of Pages 61 Pages
    Format Microsoft Word

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