Resources Contact Us Home
Tubing friction reducer

Image Number 4 for United States Patent #5692563.

A tubing friction reducer is mounted on a length of tubing within a bore hole. The friction reducer includes a cylindrical body having a first section and a second section hingedly secured around an exterior surface of the coiled tubing, the cylindrical body having an outside diameter larger than an outside diameter of the coiled tubing and less than an inside diameter of an adjacent bore surface. A plurality of roller bearings positioned on and extending outwardly from the cylindrical body extending in a generally axial direction along the cylindrical body for the purpose of reducing friction between the coiled tubing and the bore surface generated upon contact between the coiled tubing and the bore surface. Retaining mechanisms such as collapsible springs are included for securing the roller bearings to the cylindrical body. The tubing friction reducers are placed along the tubing at intervals to either minimize injector force, prevent buckling, and tubing failure, due to buckling or wear.

  Recently Added Patents
Pet fish burial pod
System and method for selecting a video encoding format based on feedback data
Method for eliciting an immune response to human telomerase reverse transcriptase
Triple-action pest control formulation and method
Media used in digital high speed inkjet web press printing
Data modulation for groups of memory cells
Method and system for remotely testing a wireless device
  Randomly Featured Patents
Method for determination of absolute configuration of chiral compounds
Recording apparatus and recording method
Expellable reaction mass for recoilless projectile launchers
Stationery accessory system
Rechargeable spotlight
Sliding rail assembly auto locking structure for drawer
Double stripe boot/shoe wiper
Low profile electric field sensor
Soft cleat for athletic shoes
Systems and methods for managing power