Patent ID: 11933137
Assignee: ARMOR TOOLS INTERNATIONL INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 11:
12. A method for pressure control using the apparatus of claim 1, comprising:
injecting a tubing string partway into a vertical portion of a wellbore;
adding the apparatus inline into the tubing string;
injecting the tubing string and the apparatus further into the wellbore;
adding a packer to the tubing string;
injecting the tubing, the apparatus, and the packer further into the wellbore;
actuating the packer to seal the annulus between the tubular and the wellbore to set the packer and form the annular seal at a desired depth into the wellbore; and
injecting fluid against the disc of the invention at a pressure which releases the releasable holding structure of the apparatus and causes the disc to impact the disc breaking sleeve to break the disc and open the inner bore of the apparatus.