Patent ID: 6302405
Filing Date: 2001-10-16
Classification: E21B,F16J,Y10S

Abstract:
A seal assembly, comprising:a T-seal having opposing sides;a back-up ring abutting each side of the T-seal, the back-up rings having opposing sides, each back-up ring being generally L-shaped to support substantially a full side of the T-seal, each back-up ring formed of a deformable material to deform under pressure to prevent extrusion of the T-seal; anda bearing abutting each of the back-up rings, each bearing abutting the side of the corresponding back-up ring opposite the side abutting the T-seal,each bearing being formed of a material having a shear strength between about 16,000 and 20,000 psi,wherein each back-up ring forms a complete ring without a scarf cut.