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Strain gauges for detecting deformations of a plate

A strain gauge, axial strain technology, applied in the direction of measuring force components, force/torque/work measuring instruments, instruments, etc., can solve problems such as reducing efficiency and losing input energy

Pending Publication Date: 2021-02-02
SCHLUMBERGER TECH LTD BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When vibration and heat are generated, some input energy is lost and the system will operate at reduced efficiency

Method used

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  • Strain gauges for detecting deformations of a plate
  • Strain gauges for detecting deformations of a plate
  • Strain gauges for detecting deformations of a plate

Examples

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Embodiment Construction

[0039] Embodiments of the present disclosure relate generally to determining strain deformation, and more particularly, to determining strain deformation within a downhole drilling system. More specifically, internal components or components of the downhole drilling system may include strain gauges or other sensors for use in determining the strain experienced by the component of the downhole drilling system. Optionally, strain measurements are performed using sensors isolated from other bending or strain modes.

[0040]Some embodiments of the present disclosure relate to strain determination within a drilling system that uses a drill string to form a wellbore extending into or towards a hydrocarbon field. The drilling system may rotate all or part of the length of the drill string and drive the drill bit, which cuts into the geological formation where the hydrocarbons are located. During operation, the drilling system may determine or infer the position, path or movement of ...

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Abstract

A bottom hole assembly (BHA) of a drill string includes a chassis, a plate coupled to the chassis, and a strain gauge coupled to the plate. The strain gauge is used to output a signal associated witha deformation of the plate. The plate and chassis may be included within a collar that experiences strain, and deformation of the collar may be translated to the chassis and the plate. The plate may experience strain in the form of torsional bending, in-plane bending, out-of-plane bending, axial tension or compression. The plate may include or be coupled to an electronics board that has strain gauges to measure different types of strain in isolation from other types of strain.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of and priority to U.S. Patent Application No. 62 / 880,997, filed July 31, 2019, and titled "Strain Gauges for Detecting Strain Deformations of a Plate," and is identical to U.S. Patent Application No. 62 / 880,997, filed July 31, 2019, and titled Related to US Patent Application No. 62 / 880,918 for "Indirect Detection of Bending of a Collar." Each of the foregoing is expressly incorporated herein by such reference. Background technique [0003] Oil and gas industry processes include exploration, drilling, logging, extraction, transportation, refining, retailing, etc. of natural resources such as oil, gas, and water. Natural resources may be located underground, and as such, drilling systems may be used to perform some processes. For example, a drilling system may form a wellbore in an earth formation to discover, observe, analyze, or extract natural resources. [0004] While drilling, ...

Claims

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Application Information

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IPC IPC(8): E21B47/007
CPCE21B47/007G01L1/26E21B17/16G01L5/16G01L5/0061
Inventor J·西勒尔J·R·赫德
Owner SCHLUMBERGER TECH LTD BV