Charles J Hartmann

US Patent:

6820716, Nov 23, 2004

Filed:

Jan 16, 2003

Appl. No.:

10/345730

Inventors:

Charles E. Redding - Houston TX
Herbert W. Beimgraben - Spring TX
Charles Hartmann - Houston TX
Douglas Patterson - Spring TX

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

G01V 130

US Classification:

181106, 181102, 181911, 367 25, 175 50

Abstract:

An acoustic isolator for attenuating through-tool acoustic signals comprises a plurality of u-shaped link members, where each link member has two sets of ears. A plurality of yoke members are adapted to fit between cooperating sets of ears. A plurality of pins connect the plurality of u-shaped link members to the plurality of yoke members for providing limited flexural compliance. The isolator may be made from metallic and/or composite materials.

US Patent:

7650963, Jan 26, 2010

Filed:

Jul 12, 2004

Appl. No.:

10/889536

Inventors:

Charles E. Redding - Houston TX, US
Herbert W. Beimgraben - Spring TX, US
Charles Hartmann - Houston TX, US
Douglas Patterson - Spring TX, US

Assignee:

Baker Hughes Incorporated - Houston TX

International Classification:

G01V 1/30

US Classification:

181207, 181208, 181209, 181106, 181113, 181122, 367162

Abstract:

An acoustic isolator for attenuating through-tool acoustic signals comprises a plurality of u-shaped link members, where each link member has two sets of ears. A plurality of yoke members are adapted to fit between cooperating sets of ears. A plurality of pins connect the plurality of u-shaped link members to the plurality of yoke members for providing limited flexural compliance. The isolator may be made from metallic and/or composite materials.