M00006033
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SPECIFICATION FOR ROTARY DRILL STEM ELEMENTS
American Petroleum Institute
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Availability date: 10/27/2021
Describes requirements for the following drill stem elements: upper and lower kelly valves; square and hexagonal kellys; drill stem subs; standard steel and non-magnetic drill collars; drilling and coring bits.
Published | |
Document Type | Standard |
Status | Current |
Publisher | American Petroleum Institute |
ProductNote | Reconfirmed EN |
Pages | |
ISBN |