STAS 11609-1989
Petroleum equipment FORGED DRILL COLLARS

Standard No.

STAS 11609-1989

Release Date

1989

Published By

RO-ASRO

Latest

STAS 11609-1989

Scope

Prezentul standard se refer? la pr?jinile grele de foraj cu sec?iune circular?, ?u construc?ie muf?-cep, forjate si ?mbun?t??ite pe toat? lungimea utilizate la forajul sondelor.

STAS 11609-1989 history

• 1989 STAS 11609-1989 Petroleum equipment FORGED DRILL COLLARS