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Facilitating the Use of Leak Detection Sensors Using Web-Based Remote Monitoring

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Pipeline leak detection is emerging as a prime focus of PHMSA and other regulatory agencies in the United States as well as jurisdictions all over the world. The immense volume of buried pipelines and the fact that much of this buried infrastructure is over forty years old1 combine to present increasing risk of leaks with potentially catastrophic results. During the twenty-year timespan from 2002 through 2021, in the United States alone, the Pipeline and Hazardous Materials Safety Administration (PHMSA) recorded 42 hazardous liquids incidents resulting in 35 fatalities, 80 injuries, and over 147,000 barrels spilled. In many cases the environmental and human health and safety costs could have been reduced if the leaks were detected much earlier.

Product Number: 51323-18884-SG
Author: Jamey Hilleary
Publication Date: 2023
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$20.00
$20.00

This paper presents a case study in adapting report by exception remote monitoring technology to continuously monitor leak detection sensors along a cross-country high volume liquid products pipeline system. The resulting system enables the operating company to have 24/7 visibility to their leak detection devices as well as immediate alarm notification in the event of a detected leak condition. This technology enables sensors to be distributed anywhere in the system regardless of the availability of communication connection to the central operations network, using cellular and satellite communication. The web-based data interface enables viewing of data and receipt of alarms through any authorized web-enabled device. The presentation will discuss the sensor and monitoring technology, the data interface used between the sensors and monitors, the various means of facilitating communication to the operating company, and some lessons learned along the way.

This paper presents a case study in adapting report by exception remote monitoring technology to continuously monitor leak detection sensors along a cross-country high volume liquid products pipeline system. The resulting system enables the operating company to have 24/7 visibility to their leak detection devices as well as immediate alarm notification in the event of a detected leak condition. This technology enables sensors to be distributed anywhere in the system regardless of the availability of communication connection to the central operations network, using cellular and satellite communication. The web-based data interface enables viewing of data and receipt of alarms through any authorized web-enabled device. The presentation will discuss the sensor and monitoring technology, the data interface used between the sensors and monitors, the various means of facilitating communication to the operating company, and some lessons learned along the way.

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Product Number: 51323-18771-SG
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Optimizing Sour Gas Qualification Testing – Modeling the Effects of Temperature and Total Pressure on H2S Fugacity, Activity, and Solubility Coefficients

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Publication Date: 2023
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Traditionally, sour severity of high-pressure, high temperature (HPHT) oil and gas production wells were assessed by H2S partial pressure (PH2S): The mole fraction of H2S in the gas (yH2S) multiplied by the total pressure (PT). While PH2S is appropriate for characterizing the sour severity of wellbores operating at low total pressures (e.g., PT < 35 MPa) and/or for highly sour systems (e.g., yH2S > 1 mol%), PH2S usually over-predicts the actual sour severity of HPHT systems, leading to sub-optimal material selection options. 
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