Patent ID: 9127517
Filing Date: 2015-09-08
Classification: E21B,F16L

Abstract:
1. A drill pipe connector assembly, comprising: a first drill pipe segment including an outer surface, an inner surface, and a recess in said outer surface, said inner surface forming a first bore, said first drill pipe segment having a pin end; a second drill pipe segment including an outer surface and an inner surface, said inner surface forming a second bore, said second drill pipe segment having a connector end adapted to receive said pin end of said first drill pipe segment within said second bore; a connector nut interconnecting said first drill pipe segment with said second drill pipe segment to achieve fluid communication between said first bore and said second bore, said connector nut including an outer surface, an inner surface, an upper section, a lower section, and a thru hole in said upper section, said lower section of said connector nut detachably affixed to said connector end of said second drill pipe segment, said upper section of said connector nut operatively retaining said pin end of said first drill pipe segment; an anti-rotation assembly positioned in said thru hole of said connector nut, said anti-rotation assembly comprising: