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
Adhesive structure of optical device, adhesion method, and optical pickup device
Cineole
Method and apparatus for controlling cardiac resynchronization therapy using cardiac impedance
Image capture and identification system and process
Efficiently emulating computer architecture condition code settings without executing branch instructions
Method for the hydrolysis of substituted formylamines into substituted amines
Micro positioning test socket and methods for active precision alignment and co-planarity feedback
  Randomly Featured Patents
Electrode manufacturing apparatus and method of manufacturing electrode
Mounting bracket for exterior driving mirrors
Route monitoring in a network management system
Method and apparatus for electrosurgically treating tissue
Lawn mower
Signaling protocol channel unit
Method for determination of pith location relative to lumber surfaces
Method, apparatus and program for restoring phase information
Manufacturing method of LED package structure
Image processing apparatus and method