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Products tagged with 'ssc'

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Picture for SSC Limits Of TMCP Line Pipes
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SSC Limits Of TMCP Line Pipes

Product Number: 51321-16516-SG
Author: Hervé Marchebois/ Christoph Bosch/Ali Smith
Publication Date: 2021
$20.00
Picture for SSC of TMCP Materials: Criticalities among the Methodologies for Load Definition
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SSC of TMCP Materials: Criticalities among the Methodologies for Load Definition

Product Number: 51324-21105-SG
Author: Joao Paulo Costa; Fabio Arroyo; Philippe Darcis
Publication Date: 2024
$40.00
The Sulfide Stress Cracking evaluation based on Four Point Bend Test specimens (FPBT-SSC) is widely used to assess Line Pipes performance on sour environments. An important stage of the test configuration is to determine the strain corresponding to the desired load (e.g., 90% AYS) and different methodologies can be used. The present work studies these different methodologies and their influence on the applied FPBT-SSC load. Tensile specimens were machined from DNV450 sour grade pipes at a location as close as possible to 4PBT samples. The tensile test results were used to define the strains considering: i. the linear behavior until the Yield Strength and ii. the actual Stress-Strain curve considering both flattened and un-flattened specimens. The stress-strain curve exhibits a deviation from the linear behavior, typical of the tensile evaluation of cold-formed materials (Ramberg-Osgood). This deviation is higher in flattened specimens, due to additional Bauschinger effect. The deviation caused a higher obtained strain by considering the stress-strain curve method in comparison with the linear method (approx. 20%).
Picture for Susceptibility of Plasma Nitrided 17-4 PH to Sulphide Stress Cracking in H2S-Containing Environments
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Susceptibility of Plasma Nitrided 17-4 PH to Sulphide Stress Cracking in H2S-Containing Environments

Product Number: 51317--9342-SG
ISBN: 9342 2017 CP
Author: Mario Coseglio
Publication Date: 2017
$20.00

The stainless steel 17-4 PH (H1150D) is a cost-effective alloy for oilfield components due to its combination of high strength, toughness, and good corrosion resistance. Plasma nitriding improves the surface strength of the 17-4 PH and this work suggests that the nitrided can the resistance to SSC.

 
Picture for Systematic Investigation Of The Role Of Stress-Induced Pits And Grooves In SSC Four-Point Bend Testing Of Line Pipe Steel
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Systematic Investigation Of The Role Of Stress-Induced Pits And Grooves In SSC Four-Point Bend Testing Of Line Pipe Steel

Product Number: 51321-16571-SG
Author: Thomas Haase / Christoph Kalwa/ Christoph Bosch
Publication Date: 2021
$20.00
Picture for The Influence Of Applied Extension Rate And Specimen Geometry On Assessment Of SSC Resistance By Novel NTSSRT Method
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The Influence Of Applied Extension Rate And Specimen Geometry On Assessment Of SSC Resistance By Novel NTSSRT Method

Product Number: 51322-17624-SG
Author: Lianlian Liu, Raymundo Case
Publication Date: 2022
$20.00

High strength low alloy (HSLA) steels are preferred for oil and gas pipelines due to their outstanding mechanical properties. Sulfide stress cracking (SSC) has been a major problem for the application of HSLA carbon steel because of the wet H2S environment which commonly presents in oil and gas industry. Several techniques are applied to the study of SSC of steels, including constant load test with smooth specimens and DCB testing.
Picture for Understanding Sour Service Performance of Coiled Tubing
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Understanding Sour Service Performance of Coiled Tubing

Product Number: MPWT19-14407
Author: Bruce Reichert, Claudio Morales, Martin Valdez
Publication Date: 2019
$0.00

Coiled tubing is a long (sometimes more than 25000 feet) electrical resistance welded pipes that is uncoiled for the deployment of oil and gas wells to perform a variety of jobs that involve subjecting the pipe to high pressure, axial loads, and contact with acidification, and production environments among others. Since the pipe is coiled and deployed multiple times for different jobs during its lifespan, it is typically plastically deformed and fatigued.
This paper discusses the challenges of improving the performance of this welded pipe base material, as well as its multiple welds, when facing an inhibition failure that could cause exposure to corrosive and/or embrittlement environments.
The product development process resulted in the complete modification of steel chemistry, its welding procedures and heat treatment process. The testing program includes, among other tests, the exposure of the pipe to different environments, followed by fatigue testing to determine the remaining material resistance after such exposure.
Picture for Very High Strength Low Alloy Steels For HPHT Applications
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Very High Strength Low Alloy Steels For HPHT Applications

Product Number: 51322-17721-SG
Author: Florian Thebault, Julien Pennequin, John Fortaillier, Carine Landier
Publication Date: 2022
$20.00

More and more High Pressure High Temperature (HPHT) sour wells are operated worldwide. Challenging material selection is required for such severe operating conditions.1,2 Very high strength materials, presenting yield strength above 896 MPa (130 ksi), are required for sustaining the pressure. Consequently, even a low amount of H2S in the gas phase may lead to a H2S partial pressure beyond the limit of 3.5 mbar (0.05 psi) established in NACE MR0175 / ISO 15156 standard.3 Indeed, both high yield strengths and partial pressures of H2S contribute to a situation where the risk of Sulfide Stress Cracking (SSC) is high. The present paper is focusing on the SSC resistance of 130 ksi minimum yield strength material developed for covering such HPHT applications.
Picture for What Test Environment for the Qualification of OCTG Sour Service Grades? Means and Consequences of pH Control
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What Test Environment for the Qualification of OCTG Sour Service Grades? Means and Consequences of pH Control

Product Number: 51321-16283-SG
Author: Florian Theabault; Christelle Gomes; Julien Pennequin; Harve Marchebois
Publication Date: 2021
$20.00
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