API 7-1 : 2006
API 7-1 : 2006
SPECIFICATION FOR ROTARY DRILL STEM ELEMENTS
American Petroleum Institute
Specials
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JIS F 0090:1999
$78.00 (-56%) $34.32
Abstract
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.
General Product Information
| Document Type | Standard |
| Status | Current |
| Publisher | American Petroleum Institute |
| ProductNote | Reconfirmed EN |
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