Wells – With below and above ground modification – Eduction pump or plunger in well
Patent
1974-11-14
1976-05-18
Purser, Ernest R.
Wells
With below and above ground modification
Eduction pump or plunger in well
9 8R, E21C 1900
Patent
active
039571122
ABSTRACT:
A marine riser or conductor that extends between a floating drilling vessel and an underwater wellhead is provided with buoyancy means in the form of small-diameter, stiff-walled fluidtight tubes arranged around the outer wall of the marine riser.
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patent: 3729756 (1973-05-01), Cook et al.
patent: 3803651 (1974-04-01), Moore
patent: 3835890 (1974-09-01), Miceli
Knibbe David E.
Pitham David C. S.
Favreau Richard E.
Purser Ernest R.
Shell Oil Company
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