| http://www.w3.org/ns/prov#value | - r measuring the displacement of a well tool from an adjacent surfaceUS3165919 *Feb 8, 1962Jan 19, 1965Loomis Glenn LMethod and apparatus for testing well pipe such as casing or flow tubingUS3173290 *Jun 2, 1960Mar 16, 1965Lynes IncWell toolUS3436836 *Apr 26, 1966Apr 8, 1969Bendix CorpBorehole measuring deviceUS3474541 *May 27, 1968Oct 28, 1969Schlumberger Technology CorpWell-calipering apparatusUS
|
