Dril-quip, Inc.

Jacob S Warneke

Steven M Zakharia

Curtis Wyatt Payne

A release mechanism for a mechanically locked wiper plug system is provided. The release mechanism may utilize a shifting sleeve to rotate or pivot a release.sub, thus: disengaging a load shoulder and releasing the plug system, in some embodiments, the plug system may be mechanically locked to a running tool via corresponding slotted load shoulders in the running tool and on a release sub. The release sub may be connected: to an actuation sleeve via shear screws. Furthermore, the actuation sleeve may contain a guide consisting of one or more helical slotted guides which interact with the release sub shear screws.

Release mechanism for mechanically locked wiper plug system

A liner hanger having one: or more enhanced Socking assemblies is provided. The liner hanger includes a liner hanger body, lower slips, upper slips, a packer cone, and a seal that seals an annulus between the liner hanger and an outer casing, The one or more enhanced locking assemblies may include: a packer cone locking assembly that prevents all components of the liner hanger from actuating until it is unlocked; a slips locking assembly that prevents the lower slips from being actuated until it is unlocked; guide rails that prevent. the lower slips and/or the upper slips from being wedged in a radially outward direction during run in; and a floating cone locking assembly that releases the packer cone from being coupled to a spacer of the liner hanger when it is unlocked.

Growing community of inventors

Houston, TX, United States of America

Jacob S Warneke