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Risk Evaluation Of Potential Coating Damage From HDD

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This paper will identify the potential causes of pipe coating failure, from the design angles to the soil types, to the fracture methods of rocks, and pull forces. It will present a logical method for evaluating the condition of an HDD pull prior to its installation so that the right level of coating protection may be applied. The pipelines that carry our world's energy and industrial networks are a vital lifeblood of our society. HDD’s play such an integral part in keeping all aspects of the pipeline and its construction running smoothly, the aim here it to ensure there are no hiccups along the way.

Product Number: 51322-17762-SG
Author: Ron Raphoon
Publication Date: 2022
Industries: Corrosion Monitoring and Control , Coatings
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$20.00
$20.00

Pipe installed by the Horizontal Directional Drilling (HDD) method is typically unreachable for repair. Thus, the pipe coating needs to survive the initial installation to provide the longest potential for protection. There isn't currently a standard which guides coating selection industry wide, but this paper will provide guidance on potential ways to evaluate and can serve as a backbone for developing a standard.

Pipe installed by the Horizontal Directional Drilling (HDD) method is typically unreachable for repair. Thus, the pipe coating needs to survive the initial installation to provide the longest potential for protection. There isn't currently a standard which guides coating selection industry wide, but this paper will provide guidance on potential ways to evaluate and can serve as a backbone for developing a standard.

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51318-11274-Research on Current and Potential Distribution of Horizontal Directional Drilling Pipeline

Product Number: 51318-11274-SG
Author: Xu Huatian / Zhang Lianjun / Bi Wuxi / Liu Zhenbin
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Laboratory and field experiment results show that the soil resistivity is the main influencing factor of the cathodic protection current distribution of horizontal directional drilling. This article also gives a test method for effectiveness of cathodic protection of HDD.
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Laboratory And Full-Scale Qualification Of An Abrasion Resistant Overcoat Wrap

Product Number: 51322-17633-SG
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As onshore pipeline rights-of-way become more congested and urban sprawl increases, the number of horizontal directional drills (HDDs) will likely increase. HDD is a trenchless pipeline installation method that requires drilling a larger pilot hole where the mainline pipe can be subsequently pulled through the drilled hole. However, HDDs have an increased probability for coating damage, even when coated with traditional mill or field applied abrasion resistant overcoat (ARO). This coating damage includes abrasion, impact, gouging, denting, tearing, bending, etc. and that damage may exist for the life of the pipeline due to an HDD being inaccessible for future maintenance.
Picture for Horizontal Directional Drilling In External Pipeline Coating Integrity
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Horizontal Directional Drilling In External Pipeline Coating Integrity

Product Number: 51322-17785-SG
Author: Eric Pintueles
Publication Date: 2022
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The purpose of the “Bore Test” is to know the external quality of the coating after the installation of the pipe section, as picture 1. NACE standard “TM-102-2002-SG”1a defines four kinds of coating quality such as: excellent, good, fair and poor. To know the final quality of coating with this procedure. It was used two different electrical tests. DC current test using minimum voltage drop method and, the 3 pole test which is called by the same manufacture of the Multifunction Ground Resistance tester.
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