<p>An acoustic logging tool sleeve with a preferably discontinuous, alternating structure that is acoustically opaque in some zones, and acoustically transparent in others. The sleeve may be modular, with several stages connected together. The multiple stages provide a sleeve that may be useful with a variety of borehole logging tools to reduce or eliminate the transmission of noise to the receiving elements.</p>
申请公布号
CA2554700(A1)
申请公布日期
2005.09.01
申请号
CA20052554700
申请日期
2005.01.26
申请人
SCHLUMBERGER CANADA LIMITED
发明人
CHANG, CHUNG;PABON, JAHIR;KINOSHITA, TOSHIHIRO;ZEROUG, SMAINE;HABASHY, TAREK;SAITO, ATSUSHI;SUGIYAMA, HITOSHI;PISTRE, VIVIAN;HORI, HIROSHI;JOHNSON, DAVID L.
