| http://www.w3.org/ns/prov#value | - In an embodiment, determining the position of the wiper plug along the length of the casing comprises interrogating the MEMS sensors using data interrogation units attached to an inner wall of the casing and spaced along the length of the casing.Disclosed herein is a system, comprising a wellbore, a casing situated in the wellbore, and a plurality of composite resin elements molded to an inner wal
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