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Marcellus Shale Well Produc on Analysis - Powell Shale Digest

Marcellus Shale Well Produc on Analysis - Powell Shale Digest

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PA Data Differs from Other States<br />

• Full of extraneous info<br />

• No first produc)<strong>on</strong> m<strong>on</strong>th/year<br />

• No last produc)<strong>on</strong> m<strong>on</strong>th<br />

• No m<strong>on</strong>thly data, so no decline curve<br />

es)mate<br />

• Only number of producing days in 365-­‐day<br />

period reported for each well<br />

• No classifica)<strong>on</strong> of horiz<strong>on</strong>tal, ver)cal, etc.<br />

• Significant <str<strong>on</strong>g>Marcellus</str<strong>on</strong>g> produc)<strong>on</strong> prior to<br />

period reported -­‐ not reflected here

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