초록 ▼

In a broad aspect, the invention is directed to a well locking device having a shear ring for retaining a setting wedge within a well lock housing during running, setting, locking, and removing the well locking device within a bore of a well tubing. In a particular embodiment, the well locking devic

In a broad aspect, the invention is directed to a well locking device having a shear ring for retaining a setting wedge within a well lock housing during running, setting, locking, and removing the well locking device within a bore of a well tubing. In a particular embodiment, the well locking device may include a no-go shoulder provided on the running tool used to locate and set the well lock downhole within the tubing.

대표청구항 ▼

[What is claimed is:] [1.]providing a running tool;lowering the well lock into a downhole portion of a well tubing bore in which the well lock is to be set;providing a first shearing force against the setting wedge to shear the shear ring along a first shear plane, to set the well lock in the tubing

[What is claimed is:] [1.]providing a running tool;lowering the well lock into a downhole portion of a well tubing bore in which the well lock is to be set;providing a first shearing force against the setting wedge to shear the shear ring along a first shear plane, to set the well lock in the tubing, and to engage the shear ring within the second recess of the well lock housing; andproviding a second shearing force against the setting wedge to shear the shear ring along a second shear plane and to remove the well lock from the tubing.