Patent ID: 8695709
Filing Date: 2014-04-15
Classification: E21B

Abstract:
1. A downhole crossover tool for delivering fluid flow out an external sleeve disposed on external tubing in a wellbore, the external sleeve having a first axial bore and having an external port in a side of the external sleeve, the external port communicating the first axial bore outside the external sleeve, the crossover tool comprising: internal tubing disposed in the external tubing and having first and second tubular members; and an internal sleeve rotatably disposed on the internal tubing with first and second bearing assemblies, the first and second bearing assemblies positioned respectively between first and second ends of the internal sleeve and the first and second tubular members, the internal sleeve having a second axial bore, the internal sleeve rotatably positioned within the first axial bore of the external sleeve and having an internal port in a side of the internal sleeve, the internal port communicating the second axial bore outside the internal sleeve and being alignable with the external port of the external sleeve, wherein the internal sleeve is adapted to rotate relative to the external sleeve in response to fluid flow communicated into the second axial bore at least until the internal port aligns with the external port.