Resource Conservation Branch PO Box 9329 Stn Prov Gov’t Victoria, BC V8W 9N3 Phone: (250) 952-0310 Fax: (250) 952-0301 Alt: (250) 952-0311

GUIDELINE FOR APPROVAL TO COMMINGLE PRODUCTION FROM TWO OR MORE ZONES

An application to commingle production from two or more zones within a well bore, under Section 41 of the Drilling and Production Regulation, may contain, when applicable: the location and coordinates of the proposed commingled well; a map showing title holders of the proposed commingled formations over the pools; a brief geological discussion of the formations to be commingled, including logs showing the current and proposed perforations; the production and reservoir pressure histories for each of the proposed commingled zones, with an estimate of the current reservoir pressures and the initial and remaining reserves; deliverability and AOF test information from each of the proposed commingled zones, if available; a gas analysis from each of the proposed commingled pools; a schematic diagram of the current well bore completion; a schematic diagram of the proposed well bore completion; proposed production allocation factors for each of the commingled zones, giving weight to reserves and production rates. letter of non-objection to commingled production from competitive operator producing from one or more of the proposed pools. Example Letter may be referenced here Two copies of the application are to be submitted to the Director of the Resource Conservation Branch of the Oil and Gas Commission in Victoria at the address noted above. A copy of the Application to Alter a Well form is to be forwarded to the Manager, Operations Engineering of the Oil and Gas Commission in Fort St. John (200 10003 110 Ave, Fort St. John BC V1J 6M7).