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
Pattern identification apparatus, control method and program thereof
Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
Energy storage device package
Quantifying the risks of applications for mobile devices
Playlist search device, playlist search method and program
Method and apparatus of motion vector prediction with extended motion vector predictor
Electrophoresis display having touch screen and method for driving the touch screen
  Randomly Featured Patents
Driveshaft with anti-disengagement means
Fine particles of petaloid porous hydroxyapatite and process for producing the same
Wheeled toy animal figure
Airflow distribution to a low emissions combustor
Systems for circuit board heat transfer and method of assembling same
Spectroscopic determination of analyte concentration
Apparatus and method of processing raw materials
Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly
Combined mask and optics supporting tube assembly for night vision binoculars
Liquid crystal display including subpixel electrodes having fine protruding patterns