The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2003
Filed:
May. 08, 2001
Vimal V. Shah, Houston, TX (US);
James R. Birchak, Spring, TX (US);
Wei Han, Missouri City, TX (US);
Bruce H. Storm, Houston, TX (US);
Rajnikant M. Amin, Houston, TX (US);
Bayram Kalpakci, The Woodlands, TX (US);
Fouad Fleyfel, Katy, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A system for monitoring the presence of deposits or buildup on the inside wall of a fluid-containing pipe comprises a pair of acoustic transmitters outside of the pipe and spaced apart along the length of the pipe and capable of transmitting an acoustic signal into the pipe wall, a pair of acoustic receivers outside of the pipe and spaced apart along the length of the pipe and capable of receiving an acoustic signal from the pipe wall, and a power source for causing the transmitters to transmit a signal. A method for monitoring the presence of deposits or buildup on the inside wall of a fluid-containing pipe, comprises (a) providing first and second acoustic transmitters outside of the pipe and spaced apart along the length of the pipe and capable of transmitting an acoustic signal into the pipe wall, (b) providing first and second acoustic receivers outside of the pipe and spaced apart along the length of the pipe and capable of receiving an acoustic signal from the pipe wall, (c) transmitting a first signal from the first transmitter, (d) measuring the amplitude of the first signal received at the first and second receivers as A and A , respectively, (e) transmitting a second signal from the second transmitter, (f) measuring the amplitude of the second signal received at the first and second receivers as A and A , respectively, and (g) calculating the attenuation of the signal over the length of pipe using the values of A , A , A and A .