21/02/2019 ::
API Specification Q1 9th Edition to Addendum 2
21/02/2019 ::
Monogramming API 20E and API 20F Bolting
16/02/2019 ::
API SPEC 7-1 (R2015) ADDENDUM 4
12/02/2019 ::
API Monogram Audit Frequency Update
02/01/2019 ::
API 17D Reaffirmed 2018
Visualizza tutte le news »

News di Settore

16/02/2019 - API SPEC 7-1 (R2015) ADDENDUM 4


Specification for Rotary Drill Stem Elements

Addendum 4 of API 7-1 (R2015) - Specification for Rotary Drill Stem Elements has been published on February 1st, 2019.
Main changes/sections amended are:
- §7.10 Marking of Lift Subs (Figure 6 - type D)
- Table 11 minimum surface hardness of dimension DR of type B Drill Stem Subs
- Table 12 dimension of lift-subs upper lift diameters (link to table 7 of API 8C)
- Table 12A dimension data for lift sub upper lift diameter (link to table 7 of API 8C)
- Table C.1 mechanical properties and tests for heavy section tools

 

Max
Letto: 2460 volte
Segnala questa News ad un amico
Stampa News

 

 

Copyright 2008 Studio Gamba - TREVIGLIO – Via Geromina 10 – 24047 Tel. +39.338.5264889 - P.IVA IT02929570162