Advanced Wireline and MWD Procedures: Baker Hughes

by Stevan Clark

Table of Contents
Chapter 1
Review Of Wireline Basics
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Exploration with Wireline Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Classification of Wireline Logging Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Recording Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Depth Scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Grid Scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Reservoir Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Porosity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Permeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Fluid Saturation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Basic Resistivity Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Invasion Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Subsurface Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Chapter 2
Review Of MWD Basics
Historical Developments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Pre World War II Developments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Post World War II Developments (1950's to 1970's) . . . . . . . . . . . . . . . . . . . . . 2-1
Recent Developments - 1970 to 1990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Benefits of MWD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Directional Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Formation Evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Drilling Safety and Optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Wireline/MWD Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
MWD Transmission or Telemetry Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Continuous Wave (Mud Siren) System . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Positive Mud Pulse System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
iv Baker Hughes INTEQ
Confidential 80459H Rev. A / August 1992
Table of Contents Advanced Wireline & MWD Procedures
Negative Mud Pulse System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Hardwire System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Electromagnetic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Acoustic Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
MWD Sensor Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Gamma Ray Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Resistivity Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

192 pages, Paperback

Published December 31, 2019

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