IP Library Granted Patent US 10,948,130
Granted Patent B2
US 10,948,130 · App. 15/773,109 · Granted Mar 16, 2021

Real time integrity monitoring of on-shore pipes

Inventors: Andrew David Ethridge (Houston, TX); Alexander Lee Winn (Houston, TX)
Assignee: Trinity Bay Equipment Holdings, LLC
F17D5/02F17D1/04F17D1/05F17D1/08F17D1/18F17D3/01F17D5/005F17D5/04F17D5/06G01M3/002G01M3/18G01M3/2815G01N25/12G01N27/20G01N33/225G01N33/2811
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Quick Facts
Patent No.
US 10,948,130
App. No.
15/773,109
Filed
Jul 30, 2018
Granted
Mar 16, 2021
Kind
B2
Examiner
SINHA, TARUN
Art Unit
2863
USPC
73/23.2
Abstract

A method includes providing a length of pipeline that has a housing defining a central bore extending the length of the pipe and a space formed within the housing and extending the length of the pipe. At least one condition within the space is continuously monitored within the space to detect in real time if a change in the housing occurs.

Claims (48)

1. A method, comprising:

providing a length of pipeline, the pipeline comprising:

a housing defining a central bore extending the length of the pipe;

a space formed within the housing and extending the length of the pipe;

a plurality of pipe segments; and

at least one pipe joint connecting adjacent pipe segments together in an end-to-end configuration, wherein the space continuously extends through the pipe segments and the at least one pipe joint; and

continuously monitoring at least one condition within the space to detect in real time if a change in the housing occurs.

2. The method of claim 1 , wherein the space comprises a predetermined amount of gas, and the at least one condition being continuously monitored comprises pressure.

3. The method of claim 2 , wherein at least one pressure transducer continuously monitors the pressure of the space.

4. The method of claim 2 , further comprising monitoring temperature along the pipe and comparing the pressure to the temperature to determine if a pressure change is from a temperature change.

5. The method of claim 1 , wherein a gas composition within the space is continuously monitored.

6. The method of claim 5 , wherein the gas composition is continuously monitored by continuously flowing a gas through the space and testing the gas after the gas exits at least one venting port formed in the housing.

7. The method of claim 5 , wherein the gas composition is continuously monitored by extracting a gas from at least one venting port formed in the housing at an interval and testing the gas composition of the gas after extraction.

8. A method, comprising:

providing a length of pipeline, the pipeline comprising:

a housing defining a central bore extending the length of the pipeline, the housing comprising:

a thickness measured between an inner surface of the housing and an outer surface of the housing; and

a signal transmitting material disposed between the thickness of the housing;

a plurality of pipe segments; and

at least one pipe joint connecting adjacent pipe segments together in an end-to-end configuration, wherein the signal transmitting material continuously extends through the pipe segments and the at least one pipe joint; and

continuously receiving at a receiver a signal from the signal transmitting material to detect a condition of the housing.

9. The method of claim 8 , wherein the signal transmitting material comprises an electrically conducting material.

10. The method of claim 9 , wherein the electrically conducting material is electrically insulated within the thickness.

11. The method of claim 9 , further comprising applying an electrical current through the signal transmitting material, wherein the condition being detected is a voltage drop across the signal transmitting material.

12. The method of claim 9 , wherein the signal transmitting material comprises at least two wires, and further comprising:

applying a voltage to a first wire of the at least two wires; and

measuring voltage along a second wire of the at least two wires, the signal comprising the measured voltage;

wherein the condition detected by the measured voltage is moisture.

13. The method of claim 9 , wherein the signal transmitting material forms a Faraday cage around the longitudinal conduit.

14. The method of claim 9 , wherein the signal comprises a voltage drop from a change in the condition of the housing, further comprising determining an amount of resistivity through the voltage drop to calculate a location of the change.

15. The method of claim 8 , wherein each of the at least one pipe joint comprises:

an annular space formed at each axial end of the pipe joint;

an electrically conducting ring disposed at a base of each annular space; and

an electrically conducting material contacting each electrically conducting ring; and

wherein the signal transmitting material in the pipe segments contact the electrically conducting rings in each pipe joint.

16. The method of claim 8 , further comprising disposing an electrically insulating material at least around the at least one pipe joint in the length of pipe, wherein the signal transmitting material is an electrically conducting material, and wherein the at least one pipe joint is formed of the electrically conducting material.

17. A method, comprising:

continuously monitoring temperature along a length of a pipeline, the pipeline comprising a housing having an inner surface defining a central bore extending the length of the pipe, an outer surface, and an electrically conducting material disposed between the inner surface and the outer surface; and

applying a current to the electrically conducting material to heat the electrically conducting material when a preselected temperature is detected.

18. The method of claim 17 , wherein temperature is continuously monitored with at least one temperature sensor, and wherein signals from the at least one temperature sensor are transmitted through the electrically conducting material.

19. The method of claim 1 , wherein each of the at least one pipe joint comprises:

a first annular space at a first end of the pipe joint;

a second annular space at a second end of the pipe joint; and

one or more spaces longitudinally extending from the first annular space to the second annular space.

20. The method of claim 8 , wherein each of the at least one pipe joint comprises:

a first annular space at a first end of the pipe joint;

a second annular space at a second end of the pipe joint; and

one or more spaces longitudinally extending from the first annular space to the second annular space.

Assignments (6)
SECURITY INTEREST Recorded Dec 2, 2025
From: CACTUS WELLHEAD, LLC; FLEXSTEEL USA, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 073804/0497 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 21, 2025
From: FLEXSTEEL PIPELINE TECHNOLOGIES, LLC
To: FLEXSTEEL USA, LLC
Reel/Frame 069964/0367 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 5, 2024
From: TRINITY BAY EQUIPMENT HOLDINGS, LLC
To: FLEXSTEEL PIPELINE TECHNOLOGIES, LLC
Reel/Frame 068326/0846 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 5, 2024
From: TRINITY BAY EQUIPMENT HOLDINGS, LLC
To: FLEXSTEEL PIPELINE TECHNOLOGIES, LLC
Reel/Frame 068327/0863 →
SECURITY INTEREST Recorded Mar 2, 2023
From: TRINITY BAY EQUIPMENT HOLDINGS, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 062926/0460 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 11, 2018
From: ETHRIDGE, ANDREW DAVID; WINN, ALEXANDER LEE
To: TRINITY BAY EQUIPMENT HOLDINGS, LLC
Reel/Frame 046041/0154 →
Continuity (1)
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Cited By (1)
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