Mining or in situ disintegration of hard material – Tunnel recovery of fluid material
Patent
1980-08-11
1982-11-16
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Tunnel recovery of fluid material
102312, 166259, 299 13, E21B 43247, E21C 4110
Patent
active
043592465
ABSTRACT:
A method is provided for flattening a non-planar combustion zone which is advancing through a fragmented permeable mass of formation particles in an in situ oil shale retort. To effect flattening of the non-planar combustion zone, a fragmented permeable mass of formation particles having generally horizontally extending layers of various void fraction is provided in the in situ retort. At least one layer has a substantially higher effective average void fraction than adjacent layers above and below this layer. When the advancing non-planar combustion zone enters the high void fraction layer, it spreads laterally across the layer. The resulting combustion zone is approximately flat in a plane transverse to its direction of advance when it exits the high void fraction layer.
REFERENCES:
patent: 3228468 (1966-01-01), Nichols
patent: 3951456 (1976-04-01), Ridley
patent: 4043597 (1977-08-01), French
patent: 4149595 (1979-04-01), Cha
patent: 4167291 (1979-09-01), Ridley
patent: 4191251 (1980-03-01), Cha
patent: 4224990 (1980-09-01), Cha
patent: 4246965 (1981-01-01), Cha
patent: 4266612 (1981-05-01), French
Novosad Stephen J.
Occidental Oil Shale Inc.
Suchfield George A.
LandOfFree
In situ oil shale retort with non-uniformly distributed void fra does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with In situ oil shale retort with non-uniformly distributed void fra, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In situ oil shale retort with non-uniformly distributed void fra will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1433898