Title:
ANCHORED RISER PIPE MOORING SYSTEM FOR DRILLING VESSEL
United States Patent 3481294
Inventors:
Vincent, Renic P.
Publication Date:
12/02/1969
Assignee:
PAN AMERICAN PETROLEUM CORP
Other Classes:
175/7, 114/230.120
International Classes:
E21B7/12; E21B17/01; E21B17/00; B63B35/44