Boring or penetrating the earth – Boring a submerged formation – Boring from nonbuoyant support
Patent
1986-10-14
1988-03-15
Leppink, James A.
Boring or penetrating the earth
Boring a submerged formation
Boring from nonbuoyant support
166366, 175 61, 405195, E21B 704, E21B 7136, E21B 1700
Patent
active
RE0326232
ABSTRACT:
Apparatus and method for producing hydrocarbons from a subterranean hydrocarbon-bearing formation located beneath the floor of a body of water. A platform structure is installed on the floor over the formation and well conductors are extended down the structure and penetrate into the floor of the body of water. The conductors may include an upper vertical portion, then continually curve downwardly and outwardly through the structure above the floor in a manner maintaining a relatively smooth bore throughout the entire extent of the conductors. The conductors are extended into the floor of the body of water and wells are drilled, via the conductors, down into communication with the formation. Formation fluids are then produced from the formation via the conductors.
REFERENCES:
patent: 2565794 (1951-09-01), Young
patent: 2783027 (1956-02-01), Gilbert
patent: 3004612 (1967-10-01), Kofahl
patent: 3315473 (1967-04-01), Hauber et al.
patent: 3451493 (1969-06-01), Storm
patent: 3488967 (1970-01-01), Toossi
"Cumulative Fatigue Damage of Drill Pipe in Dog Legs" by J. E. Hansford and A. Lubinski, Journal of Petroleum Technology, Mar. 1966, pp. 359-363.
Conoco Drawing Nos. R-1003-0, 9, 10; R 1002-0, 7, 8, 9, 10; R-1010-1A, 2A, 3A, 3 5A, 6A, 7A, 8A, 9A, 10A; and R-1012-1, 2, 3, 4, 5, 7 and 8.
Drawing; SMI 108B; E, 1, 269A; G1. 32v6 G.I. 41A-prepared by Conoco.
Arnold Peter
Dunn Francis P.
Marshall Peter W.
Leppink James A.
Neuder William P.
Shell Oil Company
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