Corrosion

Case Study: Identification, Sizing Accuracy for UTCD In-Line Inspection

One of the most pressing concerns for operators of liquid buried pipelines is the management of stress corrosion cracking (SCC). Detecting and sizing SCC in liquid pipelines is usually accomplished through ultrasonic crack detection (UTCD) in-line inspection tools.

Oxygen Corrosion Control for Multiphase, Gas Phase Pipelines

(P&GJ) — The oil and gas industry is committed to driving greater production and transportation from existing infrastructure, and ensuring effective asset integrity and flow assurance is essential to this objective.

Internal Corrosion’s Threat to Pipeline Integrity

(P&GJ) — Pipeline integrity is critical for ensuring the safe transportation of oil and gas products. Internal corrosion is an element of pipeline integrity that poses a significant concern for operators. According to PHMSA, “internal corrosion historically accounts for approximately 60% of all pipeline incidents caused by corrosion in transmission and gathering pipelines.”

Residual Stress in Predicted Failure Pressure Calculation—Part 2

(P&GJ) — An objective was to determine residual stress values corresponding to target probabilities, such as the 90th percentile. Every reference reviewed reported maximum stress levels, but only one-third of the references presented other residual stresses as they vary with position in the pipe.

PLIDCO Introduces Hydrogen-Compatible Fittings for Pipeline Maintenance and Repairs

(P&GJ) — The Pipe Line Development Company (PLIDCO) has launched a new range of products for use with hydrogen pipelines in response to the emerging transition toward hydrogen and other alternative energy sources.

TC Energy's Coastal GasLink Pipeline Fined for Environmental Non-Compliance

British Columbia has fined Coastal GasLink, the natural gas pipeline being built by TC Energy, $256,810 for non-compliance with environmental regulations, the Canadian province said on Thursday.

Boosting Pipeline Performance and Savings with Dual-Layer Barrier Systems

Oil and gas pipelines take a beating – both before and after they’re installed underground. From transportation and storage to installation and service, pipes face potential scrapes, impacts, flexions and more. These stresses threaten the integrity of the pipes themselves and, especially, the external barrier systems that protect pipes from corrosion.

Fatigue, Burst Tests Among Best Ways Assess Pipeline Welds

(P&GJ) — All over the world, the pipelines of large diameter and relatively thin wall thickness are used to transport hydrocarbons. These pipelines or piping systems are usually comprised of girth welded joints.

Poland Detects Leak in Russia's Druzhba Oil Pipeline

Polish pipeline operator PERN said it had halted pumping through a section of the Druzhba pipeline, which carries oil from Russia to Europe, after detecting a leak in central Poland on Saturday, but it expects flows can be resumed on Tuesday.

Strengthening the Bond with Reliable Structural Adhesives

(P&GJ) — Most industrial maintenance or repair procedures involve welding or the use of mechanical fasteners as these can be perceived as easy and quick. However, while these procedures might initially seem to correct the issue but may cause more harm than good.

SLB and Eni Form Partnership for New Pipeline Monitoring Technology

(P&GJ) — The alliance covers the deployment of e-vpms technology for pipelines transporting liquid hydrocarbons and produced water and enables the detection of product loss attributable to external events such as attempted product theft or accidental impact, corrosion related leak events, and land movement events caused by earthquakes or landslides.

Importance of Moisture Analysis in Pipeline Transportation

(P&GJ) — Nearly every substance is affected by moisture, which can alter physical, chemical and electrical properties. When transporting hydrocarbons such as natural gas, the presence of moisture in the pressurized stream can create serious problems.

Offshore Pipeline Design for CCUS

(P&GJ) — Design and construction of CO2 pipelines are similar to natural gas transmission pipelines. However, there are differences like: thermodynamic modeling, blow down modeling, specifying the maximum water content, pipeline fracture propagation control, use of elastomer materials and performing a quantitative risk assessment, mainly related to release modeling and defining the allowable exposure limits. These factors require special attention for CO2 pipelines, when compared with natural gas.

Control Rooms: Achieving SCADA Operational Readiness, Compliance

(P&GJ) — Implementing a comprehensive control room management (CRM) plan in today’s energy market can be a challenging task in that integrating it with modern supervisory control and data acquisition (SCADA) systems adds layers of complexity to the project’s implementation and compliance requirements.

Tech Notes: Unpiggable In-Line Inspection Completed in South America

(P&GJ) — A team of Dexon pipeline engineers recently completed the inspection of a 20-mile (32-km), 3-inch diameter unpiggable or “challenging” underground petrochemical distribution pipeline, running from an onshore processing facility to a port on the South American coast.

Creative Coating Solutions Make for Smooth Pipeline Expansion

(P&GJ) — How does an ambitious gas pipeline expansion, running nearly half the width of Texas, get coated? One spiral weld section of pipe at a time. To protect the more than 250 miles of new pipe added to the Whistler Pipeline in the southwest of the Lone Star State, applicators got inventive – creating an efficient and resourceful approach that helped the job flow as smoothly as the energy resources the pipeline now carries to millions of customers.

Pipeline Leak Detection Audits Provide Invaluable Insights

(P&GJ) — Ensuring the continuing effectiveness of leak detection systems (LDS) is paramount for pipeline operators to meet tightening safety and environmental regulations and minimize the potential risks of catastrophic events.

AMPP Conference Takes Aim at Corrosion

(P&GJ) — AMPP’s Annual Conference + Expo at the Colorado Convention Center in Denver has attracted 5,607 attendees involved in the corrosion control industry.

Sources: Russia Set to Mothball Damaged Nord Stream Gas Pipelines

Russia's ruptured undersea Nord Stream gas pipelines are set to be sealed up and mothballed as there are no immediate plans to repair or reactivate them, sources familiar with the plans have told Reuters.

New Approach to Digital Pipeline Integrity Management

(P&GJ) — Pigging is an operation that is regularly required by pipeline operators for both cleaning and data collection (intelligent pigging). Managing pigging schedules and risks is a significant challenge to operators/pigging vendors without an intimate knowledge of the pipeline.

Nanoparticles Transform Pipeline Cleaning, Integrity Management

(P&GJ) — Oil, gas, and multi-phase pipelines can be fouled with several types of deposits or internally restrictive debris. The actual type of fouling is dependent upon several factors including: the production fluid characteristics such as hydrocarbon product, water, and gas composition; the presence and composition of common oilfield contaminants, such as hydrogen sulfide, carbon dioxide, mercury, arsenic, zinc, lead, iron, and manganese and operating conditions (e.g., temperature, pressure, pH, flow regimes, etc.).

Pipeline Operator TC Energy Says Stress, Weld Fault Caused Keystone Oil Spill

Pipeline operator TC Energy Corp. said on Thursday a combination of factors including bending stress on the pipe and a weld flaw might have led to the Keystone oil spill in December and that it was expecting a hit of about $480 million.

AMPP Appoints Dr. Amir Eliezer as New Board Chairman

(P&GJ) — The Association for Materials Protection and Performance (AMPP), a global nonprofit representing corrosion and coatings professionals and industries in 130 countries, has named Professor Amir Eliezer, Ph.D., as chair of the board of directors. His term began on January 1, 2023.

Study Shows Soil Moisture Plays Big Role in Spread of NG Leaks

(P&GJ) — Soil moisture content is the main factor that controls how far and at what concentration natural gas (NG) spreads from a leaked pipeline underground, a new study has found.

Predictive Corrosion Modeling – Rise of the Machines

(P&GJ) — Pipelines play an important role in the international transportation of natural gas, petroleum products and other energy resources. To ensure pipeline operational safely, instrumented inspections and assessments are completed on a recurring frequency.

Sherwin-Williams Finalist for P&GJ Award for Best Corrosion Technology

Sherwin-Williams Pipeclad 2060 Moisture-Resistant Overcoat (MRO) offers an innovative approach to minimizing pipeline costs via its exceptional damage protection capabilities. The MRO is applied over a traditional fusion-bonded epoxy coating and provides superior damage resistance during pipe handling, storage, and horizontal directional drilling applications.

GPT Industries Finalist for P&GJ Award for Best Coating Technology

GPT Industries' EVOLUTION is a patent pending product that is the first of its kind to be a fully encapsulated isolating gasket. This proprietary coating has a greater than 50% increase in dielectric strength over existing isolation kits and it is compatible with all media that may be present within oil and gas pipelines.

Lake Superior Competing for P&GJ Award for Best Corrosion Technology

Lake Superior Consulting’s Atmospheric Corrosion Inspection iLINE App, which helps pipeline owners maintain continuous pipeline operations while adhering to Atmospheric Corrosion Inspections, which are required every three years by the Pipeline and Hazardous Materials Safety Administration.

CPCM – An ILI Methodology to Assess the Effectiveness of CP

The role of cathodic protection (CP) is to mitigate damaging corrosion from the surface of the structure being protected.

Safety Techniques for Aboveground Natural Gas Pipelines

There are a variety of techniques used to enhance the safety of aboveground natural gas pipelines. Coatings to minimize corrosion are an example of a safety aspect used by natural gas operators.

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