Patent ID: 11913908
Assignee: DRIL-QUIP, INC.
Field: Measurement (Instruments)
Classification: CPC E  G | IPC E  G

Claim 8:
9. A wear transducer device, comprising;
a metal coupon configured to be coupled to a well equipment component, wherein the metal coupon comprises an elongated end configured to extend into a flowpath of the well equipment component and to be exposed to erosive fluid flow in the flowpath when the metal coupon is coupled to the well equipment component;
an ultrasonic sensor coupled to the metal coupon, wherein the ultrasonic sensor comprises:
a transmitting crystal positioned to transmit ultrasonic signals through the metal coupon in a direction of the elongated end;
a receiving crystal positioned to receive ultrasonic signal reflections back from the elongated end of the metal coupon; and
a case housing the transmitting crystal and the receiving crystal; and

a layer of acoustic gel disposed in a space between an end of the case and a surface of the metal coupon.