Well Engineering

Well Engineering & Construction

24 Kilometers

Hussain Rabia

Index

Well Engineering &
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Table of Contents
Chapter 1 : Pore Pressure Chapter 2 : Formation Integrity Tests Chapter 3 : Kick Tolerance Chapter 4 : Casing Functions & Types Chapter 5 : Casing Design Principles Chapter 6 : Cementing Chapter 7 : Drilling Fluids Chapter 8 : Practical Rig Hydraulics Chapter 9 : Drill Bits Chapter 10 : Drillstring Design Chapter 11 : Directional Drilling Chapter 12 : Hole Problems Chapter 13 : Horizontal & Multilateral Wells Chapter 14 : Rig Components Chapter 15 : Well Costing

Construction

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Well Engineering &Construction

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Contents
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P ORE P RESSURE

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Introduction Definitions Pore Pressure Causes Of Abnormal Pore Pressure Abnormal Pore Pressure Evaluation Measurement While Drilling (MWD) & Logging while drilling (LWD) Data Repeat Formation Tester (RFT) Data Drill Stem Test (DST) Data Learning Milestones

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. . . . . . INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...............

This chapter will present the origins of pore pressure and principles its determination. It should be emphasized here that this subject alone requires more than one book to cover in detail. Hence the emphasis will be placed on the practical utilisation of pore pressure in the well planning process. It is hoped that the ideas presented here will help the engineer to better understand lithological columns and deduce potential hole problems before producing a final well plan. Knowledge of formation pressures is vital to the safe planning of a well. Accurate values of formation pressures are used to design safe mud weights to overcome fracturing the formation and prevent well kicks. The process of designing and selection of

References: 1. Bariod 2000. Drilling Mud Course Seminar For Entrac Engineers. 2. MI Drilling manual on CD (Internet Edition 2000) 3