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_~ . _ <br />Evaluation of cement -American Soda #28-41 <br />CBL and CAST tools were run in the above listed well to evaluate [he placement and quality of [he cement slurry. CBL/CAST logs were run in both casings, from [he base <br />of each string to surface or to the fluid level in the casing string. A cement basket is positioned near the bottom of the shorter string and cement is placed in the annulus from <br />the cement basket [o near surface. <br />The logs on [his well indicate the following: <br />Depth Interval Description Isolation <br />Evaluation CAST <br />Impedance Value CAST <br />Impedance Character CBL Pipe Amplitude MSC pipe signal <br />TD to 1,698' Free Pipe (long string) No isolation I.8 Flat consistent 62, Free pipe value snong <br />1,698' Cement Basket N/A N/A N/A N/A N/A <br />1,698' [o ],692' Bentonite Plug Good >2 Medium activity < free pipe value Faded Slightly <br />1,692' to 1,659' Goad conventional cement Good 3 - 4 Medium activity Low, < 10 None <br />1,659' to 1,642' Partial cement and free Fluid Poor 2 Flat consistent High, almost free value Strong <br />1,642' [0 1,613' Good conventional cement Good >3 Medium activity Low, < 10 None <br />1,613' [0 1,600' Partial cement and free Fluid Poor 2 - 3 Medium activity 15 to 30, < free Faded Slightly <br />1,600' to 1,508' Good conventional cement Good 3 - 5 Med. To high Activity Low, < 10 Faded to none <br />1,508' to 1,474' Partial cement and free Fluid Poor 2 Flat consistent High, almost Gee value Strong <br />1,474' to 1,434' Good conventional cement Good 4 - 5 Med. To high Activity Low, < 10 Faded to none <br />1,434' [0 1,202' Mixture of Spherlue and conventional cmt Good 3 - 3.5 Low activity, consistent < free pipe value Faded < free <br />1,202' to 1,194' Partial cement and free Fluid Poor 2 Flat consistent in spots > good bonded sections Faded Sltghtly <br />1,194' [0 958' Mixture of Spherlue and conventional cmt Good 3 - 3.5 Low activity, consistent < free pipe value Faded < free <br />958' l0 948' Pattial cement and free Fluid Poor 2 Flat consistent in spots > good bonded sections Faded Slightly <br />948' [o [op of log Mixture of Spherlue and conventional cmt Good 3 - 3.5 Law activity, consistent < free pipe value Faded < free <br /> <br /> <br />