Resources Contact Us Home
Communication joint for use in a well

Image Number 4 for United States Patent #4623020.

A communication joint for use in a well is disclosed. The communication joint includes a one-piece tubular body having an exterior surface adapted to form a slidable fluid seal with a wellhead member of the well. The tubular body includes first and second fluid conduits extending axially along and positioned in the tubular body, each conduit providing a fluid passageway independent of the other fluid conduit. Preferably, the first and second fluid conduits extend axially above and below the exterior surface of the body.

  Recently Added Patents
Piperazinedione compounds
Method and device for operating a vehicle having a hybrid drive
Disk drive
Method and system for electronic assistance in dispensing pharmaceuticals
Message transfer apparatus, output method, and computer program product
Proton conducting electrolytes with cross-linked copolymer additives for use in fuel cells
Imidazo[1,2-B]pyridazine and pyrazolo[1 .5-A]pyrimidine derivatives and their use as protein kinase inhibitors
  Randomly Featured Patents
Pain measurement system and method
Vacuum cleaner nozzle
Sensor device
Multi-function cover for cans
Method and apparatus for removing veneer from reworked medicine tablets
System for shaping the surface of pre-cast concrete panels
Constant tension let-off motion for warp threads in a loom
Ear and neck protection ensemble
IL-2 analogs containing N-linked glycosylation sites
JFET and MESFET structures for low voltage high current and high frequency applications