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
Lubricant supplying device, process cartridge, and image forming apparatus
Memory device and self interleaving method thereof
Generating compiled code that indicates register liveness
Pyroelectric detector, pyroelectric detection device, and electronic instrument
ASICs having programmable bypass of design faults
Landscape post for solar and other light fixtures
Squib control circuit
  Randomly Featured Patents
Production of alkali metal cyclopentadienylide and production of dihalobis (.eta.-substituted-cyclopentadienyl) zirconium from alkali metal cyclopentadienylide
Valve assembly for a replaceable filter respirator
Aryl-glyoxyloyloxyalkylacrylates and their use in photopolymerizable binders
Closet organizer
Interactive client-server environment for performing collaborative timing analysis of circuit designs
Watertight fragrance dispensing device
Semi-implantable middle ear hearing device
Hearing aid system
Image display method and image display apparatus for displaying a gradation by a subfield method