SEGMENTED LOCKING RING FOR A WELLHEAD

摘要

The present disclosure is directed to a locking assembly to attach a quickset casing head of a wellhead assembly to a landing mandrel attached to a surface casing in a drilling operation. A locking ring, comprised of a plurality of arcuate segments, is arranged between the quickset casing head and the landing mandrel. Each of the plurality of arcuate segments is clamped down onto the landing mandrel with a plurality of radially spaced lockdown bolts fastened through the quickset casing head. The clamping enables a seal between the quickset casing head and the landing mandrel without requiring arduous welding.

主权项

1. A locking assembly, comprising:
a casing head; a connector attached to a well pipe extending into the ground; and a segmented locking ring comprised of a plurality of arcuate segments, wherein each of the plurality of arcuate segments is configured to be installed in the casing head and configured to be clamped onto the connector, locking the casing head to the connector.