Patent ID: 8132780
Filing Date: 2012-03-13
Classification: E21B,F16L,Y10T

Abstract:
1. A subsea female coupler comprising a body defining a socket for the reception of a probe of a male coupler, the socket including: an annular shoulder and, outwardly of the shoulder, a part-conical seat which tapers towards the interior of the socket, an annular seal, which is disposed to provide radial sealing between the socket and the probe and is positioned in the annular shoulder, a retainer, which has a bevelled rim for abutment with said seat, to provide sealing between the region of the annular seal and the exterior of the body of the coupler, and which has a screw-threaded periphery for engagement with a complementary thread on the interior of the socket, the retainer serving to maintain the annular seal in position, and an inner ring liner which fits within the retainer and is positioned to abut the annular seal.