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US 2026/0201757 A1Published application
Alignable guidance device for casing entry milling operations
AssigneeScientific Drilling International, Inc.
InventorsCarsten FREYER, Gerald HEISIG
Life of this patent
Estimating the term…
Abstract
An alignable guidance device includes a tube section and a casing milling shoe within the tube section, a pre-contoured tube within the casing milling shoe that terminates in an exit point in the tube section, the pre-contoured tube exiting the tube section at an exit angle of between 0° and 45°, and guidance sensors within the tube section.
Claims17
An alignable guidance device, comprising:
- a tube section, the tube having a starting hole and an exit point, wherein the starting hole is cone-shaped, wherein the tube section has a notch proximate the exit point;
- a casing milling shoe within the tube section, a pre-contoured tube within the casing milling shoe that terminates in an exit point in the tube section;
- and
- guidance sensors within the tube section.
1 more element
A system for intercepting an existing well, comprising:
- a run-in string;
- a hydraulic release tool, the hydraulic release tool connected to the run-in string;
- an alignable guidance device, the alignable guidance device connected to the hydraulic release tool, the alignable guidance device including:
- a tube section;
- a casing milling shoe within the tube section;
- a pre-contoured tube within the casing milling shoe that terminates in an exit point in the tube section;
- and
- guidance sensors within the tube section;
- a retrievable EM tool within the run-in string, the retrievable EM tool including electronics, the retrievable EM tool configured to receive sensor information from the guidance sensors.
6 more elements
Dependencies are inferred from the claim text.