Patent ID: 11891886
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 5:
6. A device mounted on a tubing string inserted into a well casing; said tubing string defines a string external surface; said device defines a device external surface; the string external surface and the device external surface together form a common external surface; wherein an annulus is defined as a space between the common external surface and the well casing; said device includes: an upper packer and a lower packer defining an inter-packer space therebetween; a mechanical anchor located below the lower packer; a perforator being in controllable hydraulic communication with the tubing string, and located below the mechanical anchor; and a hydraulic fracturing port, connected with the lower packer and with a hollow rod rigidly coupled to the mechanical anchor, thereby providing for hydraulic communication of the tubing string with the perforator; wherein the hollow rod further includes a cavity, a base overlapping the cavity from above, and is equipped with protrusions provided for coupling the hollow rod with said hydraulic fracturing port; wherein the tubing string further includes an inner cavity; and wherein the hollow rod is further equipped with radial holes located under said base, providing for hydraulic communication of the hollow rod with the inner cavity.