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TUBE-IN-TUBE DEVICE USEFUL FOR SUBSURFACE FLUID SAMPLING AND OPERATING OTHER WELLBORE DEVICES

United States Patent Application

20130220594
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
The present invention provides for a tube-in-tube system comprising: (a) an outer conduit having a proximal end and a distal end, and (b) an inner conduit having a proximal end and a distal end, wherein the inner conduit is disposed within the outer conduit, wherein the proximal end of the inner conduit is in fluid communication with a first aperture, and the proximal end of the outer conduit is in fluid communication with a second aperture, and the distal ends of the inner and outer conduits are in fluid communication with each other and to a third aperture. The present invention also provides for a split toroidal borehole clamp.
Freifeld, Barry M. (Oakland, CA)
The Regents of the University of California (Oakland CA)
13/ 675,758
November 13, 2012
STATEMENT OF GOVERNMENTAL SUPPORT [0002] The invention was made with government support under Contract No. DE-AC02-05CH11231 awarded by the U.S. Department of Energy. The government has certain rights in the invention.