Table of Contents

1 Introduction
2 Framework - Put Cement Sheath Evaluation in Perspective
3 A Brief Introduction to Cementing
   3.1 Importance of Cement
   3.2 Slurry and Set Cement Properties
   3.3 Mud Removal and the Cement Job
4 Cement Evaluation Tool Types 'Categories'
   4.1 Sonic (and Low-ultrasonic) Evaluation Tools
   4.2 Ultrasonic Evaluation Tools
5 Cement Bond Log (CBL)
   5.1 Amplitude and Attenuation Physics
   5.2 Waveform/Variable Density Physics
   5.3 Key Requirements
   5.4 CBL Presentation
   5.5 CBL Interpretation
   5.6 CBL Quality Control
   5.7 Limitations (Environmental Effects)
6 Compensated Bond Logging Tool (CBT)
   6.1 Attenuation Physics
   6.2 Waveform/Variable Density Physics
   6.3 Key Requirements
   6.4 Compensated Logging Tool Presentation
   6.5 Compensated Logging Tool Interpretation
   6.6 CBL Quality Control
   6.7 Limitations (Environmental Effects)
7 Segmented Bond Log
   7.1 Introduction
   7.2 SBT Physics
   7.3 Waveform/Variable Density Physics
   7.4 Key Requirements
   7.5 SBT Presentation
   7.6 SBT Interpretation
   7.7 SBT Quality Control and Recommendations
   7.8 Limitations (Environmental Effects)
8 Sector Bond Log
   8.1 Introduction
   8.2 SBL Physics
   8.3 SBL Waveform/Variable Density Physics
   8.4 Key Requirements
   8.5 SBL Presentation
   8.6 SBL Interpretation
   8.7 SBL Quality Control and Recommendations
   8.8 SBL Limitations (Environmental Effects)
9 Ultrasonic Cement Evaluation Tools
   9.1 Introduction
   9.2 Ultrasonic Tool Physics
   9.3 Key Requirements
   9.4 Ultrasonic Presentations
   9.5 Ultrasonic Interpretation
   9.6 Ultrasonic Quality Control and Guidelines
   9.7 Ultrasonic Limitations (Environmental Effects)
   9.8 Isolation Scanner Cased-hole Imager
10 The Power and Limitations of the Computer Packages
11 Pitfalls and Misconceptions in Cement Evaluation Practice
12 Tool Selection Criteria/Guidelines
   12.1 Tool Selection Based on the Cement Evaluation Objective
   12.2 Tool Selection Based on the Fluid Inside the Casing
   12.3 Tool Selection Based on the Fluid in the Casing Annulus
   12.4 Tool Selection Based on the Solid in the Casing Annulus
13 Zonal Isolation
   13.1 What is the Objective of the Cement Job?
   13.2 What Does the Other Available Information Suggest About
        Zonal Isolation Quality?
   13.3 What are the Limitations of the Cement Evaluation Took That
        is Being Run?
   13.4 What Remedial Action Will be Undertaken Based Upon the
        Evaluation?
Annex A - Jargon
Annex B - Examples
Annex C - References

Abstract

Describes how to best incorporate log-interpretation and cementing data into an overall determination of zonal isolation.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN