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III IIIIIIIIIIIII III <br /> STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Resources <br />1313 Sherman 51 , Room ? 15 +rl` <br /> <br />Denver Colorado 80203 l <br />~ <br />Y <br />Phone: 1303) 866-3567 III <br />FAX:13031832-810h <br /> DEPARTMENT OF <br /> NATURAL <br /> RESOURCES <br />To: Erica Crosb <br />y Roy Rrnner <br />Gnvernrn <br />,[j ~yiv Ia mesS Lochhcad <br />From: Barbara PaVlik Exec ni rve oinr mr <br /> Michael B. Long <br />Date: January ~, 1996 oir isl°" okeU n` <br />Re: Well Abandonment Volumes <br />Seneca II-A Miae (C-82-057) <br />I have calculated the volumes of abandonment materials that SCC <br />used to abandon several of their wells. My calculations were based <br />on information provided by Dennis Jones in response to our comments <br />on the PHC. It would appear that there are some discrepancies, in <br />many of the wells, between the volume of abandonment material used <br />and the volume of abandonment material necessary to fill the <br />indicated well volumes. <br />The attached table summarizes the discrepancies. The entries <br />highlighted in green show that the volume used was roughly equal to <br />the volume required. The entries highlighted in pink show that an <br />insufficient volume of abandonment material was used compared with <br />what was required. The entries highlighted in blue show that the <br />volume of abandonment material used was more than the volume in the <br />well! <br />These discrepancies are on the order of up to 2700$! We need to <br />have the operator explain the discrepancies (You may also want to <br />double-check my calculations). If you or the operator have any <br />questions, please give me a call. <br />BLP <br />cc: Larry Routten <br />