Inventor

SULLIVAN ERIC C

US58 patents

⚠️ This page may combine multiple inventors who share the name “SULLIVAN ERIC C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SULLIVAN ERIC C

BAKER HUGHES INC

Casing and liner drilling bits

Method and apparatus for collecting drill bit performance data

Method and apparatus for collecting drill bit performance data

Method and apparatus for collecting drill bit performance data

Method and apparatus for collecting drill bit performance data

Earth-boring bit with improved bearing seal

Casing and liner drilling bits and reamers

Method and apparatus for collecting drill bit performance data

Methods of inspecting rotary drill bits

Earth-boring bit with improved bearing seal

Monitoring drilling performance in a sub-based unit

Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture

Earth-boring tools including selectively actuatable cutting elements and related methods

Earth-boring tools including selectively actuatable cutting elements and related methods

Cutting elements comprising sensors, earth-boring tools having such sensors, and associated methods

Method and apparatus for collecting drill bit performance data

Rotary drill bits and systems for inspecting rotary drill bits

Nozzle assemblies including shape memory materials for earth-boring tools and related methods

Earth-boring tools and methods for forming earth-boring tools using shape memory materials

Shank structure for rotary drill bits

Rotary drill bits

Methods of fabricating rotary drill bits

Methods for forming earth-boring tools having cutting elements mounted in cutting element pockets and tools formed by such methods

Rotary drill bits comprising maraging steel and methods of forming such drill bits

Methods for forming earth-boring tools having cutting elements mounted in cutting element pockets and tools formed by such methods

HUGHES TOOL CO

Differentially hardfaced rock bit

Earth boring bit with convergent cutter bearing

Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits

Method for manufacturing a rotary rock bit

Method of hardfacing tool joints

Welding torch with dual gas shielding

Method for manufacturing a rotary rock bit with improved weld root geometry

OLDHAM JACK T

Casing and liner drilling shoes having spiral blade configurations, and related methods

Casing shoes having drillable and non-drillable cutting elements in different regions and related methods

Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods

Casing and liner drilling shoes having selected profile geometries, and related methods

Casing and liner drilling shoes having integrated operational components, and related methods

TRINH TU TIEN

Cutting elements comprising sensors, earth-boring tools having such sensors, and associated methods

Methods for attaching cutting elements to earth-boring tools using tapered surfaces

Earth-boring tools with improved retention of cutting elements installed within pockets

SULLIVAN ERIC C

Methods and apparatuses for measuring drill bit conditions

Methods and apparatuses for data collection and communication in drill string components

BAKER HUGHES A GE CO LLC

Multiple downhole sensor digital alignment using spatial transforms

Method and apparatus for securing bodies using shape memory materials

BAKER HUGHES OILFIELD OPERATIONS LLC

Displacement members comprising machineable material portions, bit bodies comprising machineable material portions from such displacement members, earth-boring rotary drill bits comprising such bit bodies, and related methods

Earth-boring tools, cutting elements, and associated structures, apparatus, and methods

DIGIOVANNI ANTHONY A

Apparatus and methods for detecting performance data in an earth-boring drilling tool

PASTUSEK PAUL E

Method and apparatus for collecting drill bit performance data

HABERNAL JASON R

Drill bit-mounted data acquisition systems and associated data transfer apparatus and method

CHENG XIAOMIN CHRIS

Methods of forming earth-boring tools