| http://www.w3.org/ns/prov#value | - 20120075953METHOD AND APPARATUS FOR EVALUATING A CEMENTED BOREHOLE CASING - A method of evaluating a cased borehole in an earth formation includes: emitting at least one acoustic signal into the borehole via an acoustic source and detecting a return acoustic signal via an acoustic sensor, the borehole including a casing and a casing support material disposed between the casing and a borehole wall;
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