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t. Li 1 , . <br />Evaluation of cement -American Soda #21-15 <br />CBL and CAST tools were run in the above listed well [o evaluate the placenten[ and quality of the cement slurry. CBL/CAST logs were tun to both casings, from the base <br />of each string [o 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 this well indicate the following: <br />Depth Interval Description Isolation <br />Evaluation CAST <br />Impedance Value CAST <br />Impedance Character CBL Pipe Amplitude MSG pipe signal <br />TD to 1,683' Free Pipe (long string) No isolation I.8 Flat consistent 63, Free pipe value strong <br />1,683' Cement Basket N/A N/A N/A N/A N/A <br />1,683' to 1,666' Mixture of Spherlile and conventional cmt Goad 2-4+ Med. To high Activity Low, < 10 to 30 Faded Slightly <br />1,666' to 1,581' Conventional cement Good 3 - 5+ Med. To high Activity Low, < 10 Faded to none <br />1,581'to 1,567' Spherelitecement Fair q Medium activity <20 Faded <br />1,567' [0 1,475' Conventional cement Good 3 -5+ Med. To high Activity Low, < 10 None <br />1,475' [0 1,452' Mixmre of Spherlile and conventional cmt Good <I - 4+ High Activity Low, < I S Faded <br />1,452' [0 1,390' Conventional cement Good 3 - 5+ Med. To high Activity Low, < 10 to 30 Faded to none <br />1,390' to 1,343' Mixture of Spherlile and conventional cmt Good <I -4+ High Activity Low, < 30 Faded to none <br />1,343' to 932' Consistent cement Good 2 - 4+ Medium activity Low, < 20 Faded to none <br />932' [0 927' Partial cement and free Ouid Poor I.5 - 3 Flat consistent in spots > 40 Snong <br />927' [0 326' Consistent cement Good 2 - 4+ Medium activity Low, < 30 Faded to none <br />326' to [op of log Mixture of Spherlile and conventional cmt Good <I - 4+ High Activity Low, < 20 Faded to none <br />