Patent ID: 7543659
Filing Date: 2009-06-09
Classification: E21B,F16L

Abstract:
1. A connection within a downhole tool string positionable in a wellbore penetrating a subterranean formation, the connection comprising: first and second drill collars adjacently coupled within a downhole tool string positionable in a wellbore penetrating a subterranean formation; first and second auxiliary flow lines extending through and terminating at or near opposing ends of the first and second drill collars, respectively, wherein the first and second auxiliary flow lines transmit auxiliary fluid and do not transmit drilling mud or other fluid utilized to lubricate a drill bit or carry away bit cuttings; a body assembly fluidly-connecting the first and second auxiliary flow lines; and an assembly for adjusting the length of the body assembly; wherein the body assembly comprises a first fluid conduit and a second fluid conduit, wherein the first fluid conduit is fluidly connected to the first auxiliary flow line, wherein the second fluid conduit is fluidly connected to the second auxiliary flow line, and wherein the first and second fluid conduits are substantially axially-oriented.