Modular earth-boring tools, modules for such tools and related methods

V Peters - US Patent 10,174,560, 2019 - Google Patents
(57) ABSTRACT A self-contained module for actuating an element of an earth-boring tool
comprises a drive unit configured to be coupled to at least one actuatable element of the …

Flow control assembly

E Murdoch - US Patent 10,781,665, 2020 - Google Patents
A flow control method and assembly for an oil or gas well comprises generating a pressure
signature in the fluid in a bore of the well comprising a minimum rate of change of pressure …

Expandable reamer assemblies, bottom hole assemblies, and related methods

SR Radford, M Oesterberg, KQ Trinh, T Miller… - US Patent …, 2018 - Google Patents
Expandable reamer assemblies include an expandable reamer module and an activation
module. An outer tubular body of the activation module is rigidly coupled to a tubular body of …

Expandable downhole tool assemblies, bottom-hole assemblies, and related methods

SR Radford, M Oesterberg, KQ Trinh, T Miller… - US Patent …, 2019 - Google Patents
Expandable reamer assemblies include an expandable reamer module and an activation
module. An outer tubular body of the activation module is rigidly coupled to a tubular body of …

Activation of downhole mechanical device with inclination and/or change in rpm

VJ Brackin, JH Kronman, CC Lanning - US Patent App. 18/234,873, 2023 - Google Patents
2023-08-17 Assigned to HALLIBURTON ENERGY SERVICES, INC. reassignment
HALLIBURTON ENERGY SERVICES, INC. ASSIGNMENT OF ASSIGNORS INTEREST …

Activation of downhole mechanical device with inclination and/or change in RPM

VJ Brackin, JH Kronman, CC Lanning - US Patent 11,753,900, 2023 - Google Patents
An activation control module utilizes gravity and/or centrifugal acceleration to move a
mechanical element that controls, activates or deactivates a mechanical or hydraulic …

Modular earth-boring tools, modules for such tools and related methods

V Peters - US Patent 10,829,998, 2020 - Google Patents
A self-contained module for actuating an element of an earth-boring tool comprises a drive
unit configured to be coupled to at least one actuatable element of the earth-boring tool. The …