The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 23, 2026

Filed:

Sep. 26, 2024
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Brian Williams Cho, Spring, TX (US);

Jamie Revelle Weber, Carrollton, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 41/0035 (2013.01); E21B 41/0042 (2013.01); E21B 2200/05 (2020.05); E21B 2200/08 (2020.05);
Abstract

Provided is a multilateral milling assembly, a well system, and a method. The multilateral milling assembly, in one aspect, includes a multilateral whipstock assembly, the multilateral whipstock assembly having a whipstock body with a whipface and an opening extending therethrough, and a two part milling and running tool coupled to the multilateral whipstock assembly, the two part milling and running tool including: a conveyance; a smaller assembly coupled to an end of the conveyance; and a larger bit assembly slidably coupled to the conveyance, the smaller assembly and larger bit assembly configured to slidingly engage one another downhole to form a combined bit assembly. The multilateral milling assembly, in accordance with this aspect, further includes degradable material axially fixing the smaller assembly relative to the whipstock body.


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