Related by context. Frequent words. (Click for all words.) 60 extracting 55 reinjection 53 extracted 53 Extraction 53 extractions 53 mining 52 gravity drainage SAGD 51 Horizontal drilling 51 extract 50 extractable 50 cyanide leaching 50 frac sand 49 alluvial deposits 49 mineral extraction 49 groundwater remediation 49 harvesting 48 exploitation 48 fracing 48 THAI TM 48 solvent extraction 48 dewatering 48 CO2 sequestration 48 alluvial mining 47 degassing 47 productivities 47 reservoir characterization 47 gravity drainage 47 bioleaching 47 heap leaching 47 processing 47 extractive 46 drilling 46 SX EW 46 exploration 46 centrifugation 46 desorption 45 prospecting 45 geochemical analyzes 45 cyanide leach 45 horizontal drilling 45 frac fluid 45 synthesis 45 Songo Songo 45 kerogen 45 situ 45 mineral 45 pelletizing 45 vaporization 44 leaching 44 exportation 44 metallic minerals 44 biodegradation 44 fracs 44 extractors 44 retrieval 44 hydrocarbon 44 directional drilling 43 Leaching 43 shale 43 bulk mineable 43 minable 43 Extracting 43 extractor 43 minerals 43 purification 43 elution 43 heap leach operation 43 pyrolysis 43 resampling 43 cased hole 42 gasified 42 proppant 42 wellbores 42 gasification 42 transesterification 42 production 42 sieving 42 fermentation 42 Hydraulic fracturing 42 tailings disposal 42 metallurgy 42 mining quarrying 42 Kisladag 42 coalbed methane wells 42 drillings 42 granulation 42 quarrying 42 hydrometallurgical 42 tailings 42 fractionation 42 adsorbent 42 heap leach 41 brines 41 mined ore 41 tailing ponds 41 colorimetric 41 discovery 41 impregnation 41 hydraulic fracturing 41 mineable 41 sludges