Patent ID: 7699360
Filing Date: 2010-04-20
Classification: A61B,E21B,F16L,Y10S

Abstract:
1. A well casing length for connection to a similar well casing length comprising: a substantially cylindrical main length extending between a substantially cylindrical male end and a substantially cylindrical female end; a protrusion extending radially outwardly from the leading edge of said male end; said male end having a compressible circumference; a first section of said female end having a diameter sufficient to receive a male end and a protrusion of a similar well casing length therethrough; a second section of said female end having a diameter that is smaller than the diameter of said first section such that said second section will compress the circumference of a male end of a similar well casing length when a male end of a similar well casing length is inserted through said second section; a connection means for securing and holding the male end of said similar well casing length within the female end of said casing length.