Mining or in situ disintegration of hard material – Tunnel recovery of fluid material
Patent
1983-06-08
1985-03-05
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Tunnel recovery of fluid material
299 19, 166245, E21C 4100
Patent
active
045027331
ABSTRACT:
An oil mining configuration primarily intended for use as a production drift for the recovery of petroleum from an overlying, oil bearing formation by gravity drainage. The configuration is in the general shape of a lollipop when viewed from above and has a stem portion and an annular head portion. The stem portion extends from a first location adjacent a main drift to a second location. The annular head portion extends from the second location about a vertical axis to a third location and on around to the second location to complete the lollipop shape. Production wells are drilled upwardly from the lollipop drift and the produced oil as well as gas and water are collected in tanks in the head portion and pumped up a service well extending from the head portion to the surface. Two methods of forming the lollipop drift are disclosed as are details of its design and operation including air flow and accidental spill recovery. In all embodiments, each lollipop is preferably a separate and independent production unit which can be easily isolated from the main drift and other lollipops should a problem (e.g., gas leak) occur in it.
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Carson W. Scott
DelSignore Mark J.
Novosad Stephen J.
Tetra Systems, Inc.
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