API RP 10D-2 (R2020) PDF

Provides 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. It also provides a procedure for testing stop collars and reporting test results.

This edition of API RP 10D-2 is the identical national adoption of ISO 10427-2, Petroleum and natural gas industries-Equipment for well cementing-Part 2: Centralizer placement and stop-collar testing