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Keywords: metals & mining
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Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22135-MS
... cultivar mining operation investigation root layer placer mining upstream oil & gas arctic zone metals & mining permafrost zone study region resource accumulation vegetation period meadow revegetation productivity spe 22135 arctagrostis latifolia reclamation INTRODUCTION...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22100-MS
... microstructure weld zone corrosion pipeline corrosion hardness subsurface corrosion preferential corrosion susceptibility base plate corrosion metals & mining flowline corrosion Introduction The problem of preferential seawater corrosion on weldments in ice infested waters has been the topic...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22084-MS
... and transported to the washing site. The opencast-underground technique is the most expedient for mining deep placers considering the problems of recultivation under the Arctic conditions. placer metals & mining efficiency spe 22084 freezing operation self-propelled machine thickness reduction...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22082-MS
..., and mine closure practices are reviewed. research program deposit mining operation borehole slurry mining upstream oil & gas borehole mineral placer engineer metals & mining alaska spe 22082 bureau researcher gravel freezing water jet alaskan mining technology spe 22082...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22083-MS
... of borehole equipment depending on conditions of use. The positive sides of borehole mining's application, problems appeared in the course of test and ways of their solution are shown. pay seam hydraulic mining washout hydromonitor elevator productivity placer metals & mining thick placer...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22136-MS
... (pillars) to another (caving). The conducted investigations allow to predict the behaviour of rock massif of metamorphic rocks when reaching a zone of transition from subzero to above - zero rock temperatures. permafrost zone metals & mining displacement rock temperature water inflow...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22134-MS
... mining technology mining industry matrix metals & mining soviet northeast stability placer deposit permafrost mining method INTRODUCTION Background The Soviet Union is the largest country in the world in terms of area. With 6,592,800 mi 2 (17,075,400km 2 ) it is approximately...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22111-MS
... dolphins, and harbor entrance channels. open-cell dock concept metals & mining platform dock society of petroleum engineers open-cell sheet pile dock causeway upstream oil & gas open-cell dock freight barge granular fill construction rock causeway sheet pile nome sheet pile...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22141-MS
... mcrobert society of petroleum engineers permafrost soil slope angle coal slope stability strength slope failure stability face failure overburden instability metals & mining highwall slope terrain upstream oil & gas INTRODUCTION Coals, ranging in age from carboniferous...
Proceedings Papers

Paper presented at the International Arctic Technology Conference, May 29–31, 1991
Paper Number: SPE-22158-MS
... utilization mineral resource landscape technology adaption natural landscape adaptation real prospect evaluation disturbance society of petroleum engineers technogenic landscape metals & mining INTRODUCTION Development of mineral resources in the Arctic, namely placer deposits, results...

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