Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Terminal device and image printing method
Network traffic demotion
Quantitative oxygen imaging systems and methods using echo-based single point imaging
Method and system for prioritizing points of interest for display in a map using category score
Phase-change memory device having multiple diodes
Automatic search system and method
Exposure method, exposure apparatus, and method for producing device
  Randomly Featured Patents
Cathode for an electrochemical cell
Tire tread
Lithium-iodine depolarizer
Length controlled stabilized mode-lock Nd:YAG laser
Right angle nozzle assembly
Winding arrangement for a direct current electric machine
Partial or non-barriered oxidation ditch having momentum conservation and increased oxygen transfer efficiency
Seed collector device for a mower
System for cardiac pacing
Long-lived homogenous amide containing macrocyclic compounds