Casing Hanger

Casing hanger is a assembly which can supports the casing string when it is used in the wellhead. it can assure the casing string is correctly located and generally incorporates a sealing device or system to isolate the casing annulus from upper wellhead components.

Casing hangers are devices that allow casing to be set in the well bore during the drilling phase of an oil or gas well. There are two basic designs of casing hanger, slip-type or mandrel. The slip-type is the conventional and most commonly used. The mandrel-type is normally used when special needs arise during the building of the well. Both allow for the Tens of Thousands of pounds in weight of the casing string weight to be transferred from the derrick of the drilling rig to the load shoulder in a casing head or spool

RLD-21 non-automatic split casing hanger suspends the casing while incorporating the Type H packoff as the annulus seal.

RLD-22 automatic wrap around casing hangers incorporate a lower packoff, slip bowl, and a single set of slips.

RLD-29 automatic wrap around casing hangers incorporate a lower packoff, slip bowl and double slip segments. The RLD-29 casing hanger is designed to handle heavier casing loads.