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Sweet Spot Identification: Unconventional Canadian Montney Play J. Michael Gatens, CEO Unconventional Gas Resources Canada Panel Session 4 November 11, 2015 Brisbane
Executive Summary Canadian Montney unconventional gas play is one of most important new gas plays in North America Originally developed in 1950s as a conventional oil play Over 4,000 wells, 4.5 Bcf/D, 40,000 STB/D in recent…
Montney Play Evolution BC AB Conventional First Year on Production 1961-2000 2001-2005 Conventional 32 million acres North Montney 2006-2008 Over 4,000 new 2009-2011 unconventional wells 2012-2013 Altares Conventional 4.5…
How Was the Montney Re-Discovered Montney was probed over years for conventional extensions Thick, tight rock was known to exist, ignored for decades as shale-out Unconventional Montney is not a shale, has a mixed lithology Known to…
Good Upper Montney Zone Attracted Attention East UGR Kobes ECA Swan GR DPLS GR DPLS 0 175 0.2 0 0 175 0.2 0 MNTN West 2100 2500 Credit Graham Davies 94G 94H 94A Early Movers (ARC and EnCana) UGR Kobes…
UGR & others were attracted by DSTs with good gas shows 100 miles NW of emerging ARC Resources and new play Encana pioneered the North Montney development of the unconventional Montney Play Good Upper section Vertical wells…
BC Montney Play has Grown Rapidly Since 2007 BC wells only Source for LNG Export One-Column Format
BC Montney Play has evolved into 3 Sweet Spots, each with different North Montney properties 3 zones, overpressured, 94G natural fractures 94H True development just underway Well results good on average, but highly variable Blair…
BC Montney Well Quality Distribution is Typical of Resource Plays One-Column Format 1/3 of wells in top 10 Fields Avg B3 is 3 MMcf/D for play Avg B3 is 4-6 MMcf/D in sweet spots Typical well results 5-15 MMcf/D IP 7-15 BCF…
BC Montney Well Performance Improving, but Still Variable One-Column Format Most of the better wells are in the sweet spots Trend is improving in sweet spots, but poorer wells still occur Completion optimization is ongoing
Montney is Three Plays in One Montney Highlights 300 m thick formation = 3+ stacked plays OGIP = 270+ Bcf/section Micro-seismic used to optimize frac placement Need to optimize frac design for each zone 1 size does not fit…
Micro Sweet Spots are Part of Ongoing Play Optimization Vertical wells tested initial concepts Core data led to improved reservoir understanding Thick rock, gas-bearing, different lithologies Good commercial tests in 3+ zones after…
Summary Montney combined both old and new data with modern technology to establish important new play 4 Macro Sweet Spots identified with different characteristics Technology evolving to optimize well performance and economics…
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