Wells – With below and above ground modification – Eduction pump or plunger in well
Patent
1975-02-03
1976-09-21
Purser, Ernest R.
Wells
With below and above ground modification
Eduction pump or plunger in well
61 86, 175 7, 138106, 114 5D, E21B 712
Patent
active
039813576
ABSTRACT:
An improved marine riser is described which is comprised of a plurality of conduit sections joined together end to end. Buoyancy cans for retaining a compressed gas are flexibly connected to the riser at selected locations along its length and form a fluid tight seal therewith.
REFERENCES:
patent: 3017934 (1962-01-01), Rhodes et al.
patent: 3354951 (1967-11-01), Savage et al.
patent: 3736077 (1973-05-01), Dane
patent: 3858401 (1975-01-01), Watkins
Ilfrey William T.
Schaeffer Philippe H.
Walker James M.
Exxon Production Research Company
Favreau Richard E.
Purser Ernest R.
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