Patent ID: 11933134
Assignee: CAN HOLDINGS LLC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A method of sealing a well having a casing wall, the method comprising:
transporting a camera into a casing of the well and making a visual recording of the casing wall by visually recording perforations, microfractures or other breach type damages of the casing wall and one or more vertical locations thereof on the wall as the camera is transported into the casing and then removing the camera from the casing;
selecting a vertical location for sealing the well, the vertical location being one of the one or more vertical locations determined from the visual recording;
transporting a seal into the casing wherein the seal comprises a wedge and an expandable sealing device being made of an expandable metal and a hydraulic cylinder having a rod extending through the sealing device positioned between the hydraulic cylinder and the seal, an end of the rod having a shear pin attached thereto; and
expanding the sealing device to engage the casing wall such that a gas seal is made between the sealing device and the casing wall, the sealing device being expanded through engagement by and actuation of the hydraulic cylinder as the rod engages the wedge into the expandable sealing device.