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
AC/DC converter
High sensitivity stress sensor based on hybrid materials
Clock generator circuit for a charge pump
Device for increasing chip testing efficiency and method thereof
System and method for enhancing buyer and seller interaction during a group-buying sale
Radio communication system, base station device and mobile station device utilizing an intermittent reception
Tiered cost model for access to a computer network
  Randomly Featured Patents
Apparatus and method for connecting a fuel pressure tube to a fuel injector of an internal combustion engine
Contact lens cleaner or similar article
Test pattern for detecting piping in a memory array
Method for attaching a dental fixture in bone tissue
High speed RF divider
Three-axis machine structure that prevents rotational movement
Tunable semiconductor device
Face opposing type motor
Disposable syringe with automatically retractable hypodermic needle
Method and apparatus for hosiery manufacture