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
Glass or glass-ceramic pane reflecting infrared radiation
Soybean cultivar BY0811143
Rotating-body electrification mechanism, image carrier unit, process cartridge, image forming apparatus, and method for electrifying image carrier unit
Image heating device
Apparatus and method of managing radio bearer in wireless communication system
Correction information calculating device, image processing apparatus, image display system, and image correcting method
Electro-optical device, method of manufacturing the same, and electronic apparatus
  Randomly Featured Patents
Stackable carton with reclosable pour spout construction
Information reproducing apparatus and method, and computer program
Digital signal reproducing apparatus using a viterbi decoder
Access processing system in information processor
Aqueous two component polyurethane coatings, preparation thereof and use thereof
Active impedance line feed circuit with improved ground fault protection
Maize variety hybrid X7M626
Dispenser box
Method of vertical deviation disc detection