US 2025/0369291 A1 · DRILL BITS AND OTHER DOWNHOLE DRILLING TOOLS WITH NON-CYLINDRICAL CUTTER POCKETS

Abstract

Embodiments of the present invention may encompass downhole tools that may include a body comprising a face and an axis of rotation. The tools may include a plurality of blades disposed on the face of the body. Each of the plurality of blades may define a plurality of cutter pockets. At least one cutter pocket of the plurality of cutter pockets may include a non-circular cross-section. The tools may include a plurality of cutters. A portion of each cutter may be disposed within a respective cutter pocket of the plurality of cutter pockets. The portion of each cutter may have a cross-sectional shape that matches a cross-sectional shape of the respective pocket.

Claims20

Dependent claims

A drill bit, comprising:

a body comprising a face for engaging a bottom of a well bore;
a blade formed on the body;
a plurality of cutters mounted on the blade, wherein:
at least some of the cutters comprises a plurality of discrete cutting tips;
at least some of the cutters having a plurality of discrete cutting tips are mounted on the blade with a single cutting tip of the plurality of discrete cutting tips extending beyond a top surface of the blade;
and
the single cutting tip of at least some of the plurality of cutters is oriented non-orthogonally relative to the top surface of the blade.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

19/222,702Filed 29 May 2025

Priority

30 May 2024

Published

4 Dec 2025

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

E21B 10/42
Drill bits: rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
E21B 10/5673
With preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts: having a non planar or non circular cutting face
E21B 10/43
Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits: characterised by the arrangement of…
E21B 10/633
With plural detachable cutting elements: independently detachable

Drill bits and other downhole drilling tools with non-cylindrical cutter pockets

Life of this patent

Drill bits and other downhole drilling tools with non-cylindrical cutter pockets

Life of this patent

Abstract

Claims20