- 1. Setting the volume and location of the gas collectors of abandoned coal mines
- (Geology)
- ... been determined a fraction of voidness with respect to the extracted coal that makes about 8 %. Originality.Ensuring the methane extraction from the abandoned mines by drilling vertical wells ...
- Created on 16 May 2018
- 2. Probabilistic and statistical model of vertical wells of large diameter
- (Mining)
- Authors: V.V. Levit, Doctor of Technical Sciences, Professor, State Prize of Ukraine Laureate, Honoured Miner of Ukraine, Production GOAO «Trust «Donetskshahtorohodka», Deputy General Director, ...
- Created on 21 November 2012
- 3. Analysis of causes of the accidents occurring in process of drilling of big diameter vertical wells
- (Mining)
- Authors: A.A. Gorelkin, “Spetsshakhtobureniye” Co., Ltd., Engineer, Donetsk, Ukraine Abstract: Purpose. To establish regularities of misalignment of vertical shafts and wells of large diameter in ...
- Created on 08 November 2012