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
Automated solar collector installation design including ability to define heterogeneous design preferences
Control method and allocation structure for flash memory device
Buckle (tube)
Switched capacitor hold-up scheme for constant boost output voltage
Manufacturing aircraft parts
Anti-infective agents and uses thereof
Quantum dot template for fast and simultaneous detection of different infectious agents
  Randomly Featured Patents
Optical deflector with a pneumatic and a magnetic bearing
Object-oriented interface for portability to diverse operating systems or hardware platforms
Gas pressure regulator
Synchronous FSK detection
Method and apparatus for distributing and updating group controllers over a wide area network using a tree structure
Two story pedestal home
Immunoassay and kit for in vitro detection of soluble DesAABB fibrin polymers
Container for sterilization
Tailgate with integrated and extensible steps for a vehicle having a cargo bed
Rear bumper for automobiles