API 10D-2 : 2004 : R2015
API 10D-2 : 2004 : R2015
RECOMMENDED PRACTICE FOR CENTRALIZER PLACEMENT AND STOP-COLLAR TESTING
American Petroleum Institute
RECOMMENDED PRACTICE FOR CENTRALIZER PLACEMENT AND STOP-COLLAR TESTING
American Petroleum Institute
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
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.
Document Type | Standard |
Status | Current |
Publisher | American Petroleum Institute |
ProductNote | Reconfirmed 2015 |