wellheads and christmas trees

hello,

Looking for information on wellheads and christmas trees.

anything would help.

Thank you

Hi,

You can try [URL="http://www.mediafire.com/?gr4pqbm9sns1iaf"]THIS[/URL].

It's ANSI API Spec 6A-2004 Specification for Wellhead and Christmas Tree Equipment - 19th Edition ( ISO 10423:2003, (Modified) Petroleum and natural gas industries - Drilling and production equipment - Wellhead and Christmas tree equipment ).

Regards,
georgecis

Thank for shared.