GEOLOGICAL SURVEY OF CANADA OPEN FILE 7565 Oil and Gas Resource Potential of Eagle Plain Basin, Yukon, Canada P.K. Hannigan 2014 i GEOLOGICAL SURVEY OF CANADA OPEN FILE 7565 Oil and Gas Resource Potential of Eagle Plain Basin, Yukon, Canada P.K. Hannigan 1 1 (Geological Survey of Canada – Calgary, 3303-33rd Street, N.W., Calgary, Alberta) 2014 ©Her Majesty the Queen in Right of Canada 2014 doi:10.4095/293952 This publication is available for free download through GEOSCAN (http://geoscan.ess.nrcan.gc.ca/). Recommended citation Hannigan, P.K., 2014.Oil and gas resource potential of Eagle Plain Basin, Yukon, Canada; Geological Survey of Canada, Open File 7565, 181 p + 83 PDF files. doi:10.4095/293952 Publications in this series have not been edited; they are released as submitted by the author. ii Table of Contents ABSTRACT ................................................................................................................................................ 1 EXECUTIVE SUMMARY ............................................................................................................................. 1 INTRODUCTION ........................................................................................................................................ 3 GEOLOGICAL SETTING AND TECTONIC EVOLUTION .................................................................................. 4 PRECAMBRIAN BASEMENT ................................................................................................................................ 4 PROTEROZOIC TECTONIC EVOLUTION .................................................................................................................. 5 PHANEROZOIC TECTONIC HISTORY ...................................................................................................................... 5 REGIONAL STRATIGRAPHY ....................................................................................................................... 7 PROTEROZOIC SEDIMENTARY SUCCESSION ............................................................................................................ 8 PALEOZOIC-MESOZOIC PASSIVE MARGIN SEDIMENTATION....................................................................................... 8 MESOZOIC-TERTIARY FORELAND SEDIMENTATION ............................................................................................... 20 STRUCTURAL FRAMEWORK ................................................................................................................... 22 PETROLEUM GEOLOGY-CONVENTIONAL SYSTEMS ................................................................................. 23 EXPLORATION HISTORY/DISCOVERIES TO DATE .................................................................................................... 23 SOURCE ROCKS ............................................................................................................................................. 25 RESERVOIR ROCKS ......................................................................................................................................... 28 TRAPS AND SEALS ......................................................................................................................................... 29 PETROLEUM RESOURCE ASSESSMENT OF EAGLE PLAIN ......................................................................... 29 INTRODUCTION ............................................................................................................................................ 29 RESOURCE ASSESSMENT PROCEDURE ............................................................................................................... 31 Basin analysis ...................................................................................................................................... 31 Geological play definition ................................................................................................................... 31 Compilation of play data ..................................................................................................................... 32 Estimating the pool size probability distribution ................................................................................ 32 Estimating number of pools ................................................................................................................ 33 SCOPE OF ASSESSMENT .................................................................................................................................. 34 PURPOSE .................................................................................................................................................... 35 METHOD AND CONTENT ................................................................................................................................ 35 PREVIOUS WORK .......................................................................................................................................... 35 CURRENT ASSESSMENT .................................................................................................................................. 36 INDIVIDUAL EXPLORATION PLAY APPRAISALS ....................................................................................... 36 1. LOWER PALEOZOIC CARBONATE PRE-LARAMIDE STRUCTURAL ....................................................................... 36 Play definition ..................................................................................................................................... 36 Geographic location ............................................................................................................................ 36 Exploration history and shows ............................................................................................................ 37 Discoveries .......................................................................................................................................... 37 Potential reservoir ............................................................................................................................... 37 Source rock maturation, generation and migration ........................................................................... 37 Traps and seals.................................................................................................................................... 38 Risk factors .......................................................................................................................................... 39 Play potential ...................................................................................................................................... 39 2. LOWER PALEOZOIC CARBONATE LARAMIDE STRUCTURAL ............................................................................. 39 Play definition ..................................................................................................................................... 39 Geographic location ............................................................................................................................ 40 iii Exploration history and shows ............................................................................................................ 40 Discoveries .......................................................................................................................................... 40 Potential reservoir ............................................................................................................................... 40 Source rock maturation, generation and migration ........................................................................... 40 Traps and seals.................................................................................................................................... 41 Risk factors .......................................................................................................................................... 41 Play potential ...................................................................................................................................... 41 3. LOWER PALEOZOIC CARBONATE STRATIGRAPHIC ........................................................................................ 42 Play definition ..................................................................................................................................... 42 Geographic location ............................................................................................................................ 42 Exploration history and shows ............................................................................................................ 42 Discoveries .......................................................................................................................................... 42 Potential reservoir ............................................................................................................................... 42 Source rock maturation, generation and migration ........................................................................... 43 Traps and seals.................................................................................................................................... 43 Risk factors .......................................................................................................................................... 43