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
Denial of service (DoS) attack prevention through random access channel resource reallocation
Low-coupling oxide media (LCOM)
Semiconductor device and manufacturing method
Mold for nanoimprinting, its production process, and processes for producing molded resin having fine concavo-convex structure on its surface and wire-grid polarizer
Systems and/or methods for determining item serial number structure and intelligence
Control method of LPI lamp for LPI vehicle and logic therefor
Placental tissue grafts
  Randomly Featured Patents
Method and apparatus for motion detection in the discrete cosine transform domain
Method for identifying brilliant material in paint
Incremental modular home gateway
Activated alkaline earth metal, in particular magnesium, for the preparation of organoalkaline earth metal compounds
Anisotropic foam-film composite structures
Control method for wireless communications device compatible with universal serial bus mass storage device class protocol
Apparatus and method for parallel searching and correlating for CDMA system
Hybrid tea rose plant named `DICwisp`
Direct smelting process