Table of Contents

API Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Methods for estimating centralizer placement
  4.1 General
  4.2 Standoff ratio calculation
  4.3 Buoyed weight of casing
  4.4 Calculations for centralizer spacing
5 Procedure for testing stop collars
  5.1 General
  5.2 Apparatus
  5.3 Test procedure
  5.4 Reporting of test results
Annex A (informative) Documentation of stop-collar test results
Bibliography

Abstract

Gives calculations for determining centralizer spacing, based on centralizer performance and desired standoff, in deviated and dogleg holes in wells for the petroleum and natural gas industries.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
ProductNote	Reconfirmed 2015
Pages
ISBN