Maintenance

Iraq's Kurdish Oil Output Falls as Pipeline Outage Continues

Oil production in Iraq's Kurdistan region continues to drop as export flows to Turkey's Ceyhan port show few signs of restarting after a stoppage that has lasted almost two months.

Fire Breaks Out During Repair of Siberian Gas Pipeline, One Dead

A fire broke out during repair works at the Yamburg-Yelets 1 gas pipeline in western Siberia and one person was killed, a unit of Russia's Gazprom said on Tuesday.

An Operator’s Perspective: How to Comply with New US Gas Gathering, ILI Regulations

(P&GJ) —Traditionally, most gas gathering lines were small-diameter, low-pressure systems traversing sparsely populated areas, posing little risk from a business, safety, and environmental perspective. More recently, the volume of gas transported through gathering systems has increased significantly due to the advancements in horizontal drilling and hydraulic fracturing techniques.

AGA Chair Sees Future Shaped by Education, Innovation

(P&GJ) — Suzanne Sitherwood sat down with Pipeline & Gas Journal in March – the same week she announced her upcoming retirement from Spire – to discuss her career, her outlook for the natural gas industry and her objectives as the 2023 chair of the American Gas Association (AGA).

Using Resonance Technique to Test Pipeline Weld Fatigue

(P&GJ) — Steel catenary risers (SCRs) are a critical element within many offshore pipeline installations. The ability of these risers to withstand the installation and in-service loading is vital to the success of the projects in which they are used.

Shell Halts Production at Prelude Floating LNG Facility

Shell has suspended production at its Prelude floating LNG facility off Western Australia due to problems with its processes, a spokeswoman said on Friday, and is working through steps to restart production at the world's largest floating LNG platform.

Pembina Pipeline Activates Emergency Procedures After Fire, Floods Ravish Western Canada

Pembina Pipeline Corp., which operates oil-gathering pipelines in the region, said it has activated emergency response and incident management processes and is "evaluating any current or anticipated operational impacts".

Poland to Boost Military Protection of Baltic Energy Infrastructure

The Polish government has approved draft legislation that would allow the military to sink an enemy ship targeting a key gas pipeline from Norway via the Baltic Sea following NATO's warning that Russia might sabotage undersea energy infrastructure.

Mississippi Gas Pipeline Operator Lifts Contract Suspension After Repairs

Canadian energy pipeline operator TC Energy Corp. said on Saturday that unit completed repairs on a portion of its Columbia Gulf Transmission gas transmission line in Mississippi that was halted a day earlier.

API, LEPA Report Shows Strengthened Pipeline Safety Performance

(P&GJ) — This year’s report found that the safety of liquids pipelines increased across several key indicators, even as pipeline mileage and barrels delivered have increased.

STATS Claims Record Diameter for Subsea Pipeline Intervention

(P&GJ) — Pipeline technology specialist STATS Group has been commissioned to complete a range of work in the Asian Gulf that is believed to include a record subsea intervention on a 56-inch pipeline.

Editor’s Notebook: Nord Stream Questions Grow Murkier

(P&GJ) — While the investigation into who deliberately blew up Nord Stream continues, the operator of the previously functional first line appears to be taking a serious look at how it will seal and empty the pipeline before more damage occurs.

Worksite Safety: Defining Fundamental Drivers of Learning On-Site Procedures

(P&GJ) — Quick! How many rescue breaths should you administer after providing chest compressions to an unresponsive, non-breathing accident victim during CPR?

TC Energy Declares Force Majeure on 3,300-Mile Columbia Gulf Pipeline After Fire in Mississippi

Canadian energy company TC Energy Corp. said on Friday that its Columbia Gulf Transmission unit declared a force majeure event at its Corinth natural gas compressor station in Mississippi due to a fire, which had been extinguished.

Shell's Zydeco Pipeline Shut on April 25 After Oil Leak

Shell Pipeline Co.'s Zydeco oil pipeline — which alleviates transportation bottlenecks of crude arriving in Houston from the Eagle Ford, Permian and Bakken regions — was shut on April 25 after a limited release of crude oil was detected in the Intracoastal Waterway.

Pig Removal: Recovering an Obstruction in Pressurized 48-Inch Pipeline

(P&GJ) —Following the completion of an offshore pipeline isolation project, STATS were asked by the client if they could offer a solution to a problem of an obstruction in their 48-inch gas export pipeline. During routine launching of an inline inspection tool, a slipper tray was accidently carried into the pipeline and lodged in the first pipeline bend, above grade, about 39 meters from the launcher door.

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.

Cenit: Colombia's Transandino Oil Pipeline Bombed

The Transandino Pipeline runs along Colombia's border with Ecuador, taking up to 85,000 barrels of crude per day to an export terminal in Tumaco, a Pacific port in the country's Narino province.

Pipeline Operator TC Energy Says Keystone Oil Spill Caused by Fatigue Crack

Canada's TC Energy on Friday said a 14,000-barrel oil spill from its Keystone pipeline in rural Kansas in December was primarily due to a progressive fatigue crack, which originated during the construction of the pipeline.

Colombia's Cano Limon-Covenas Pipeline Attacked for Ninth Time in 2023

The suspension of pumping operations at Colombia's Cano Limon-Covenas oil pipeline will be prolonged after a new bombing attack damaged its infrastructure in the country's Arauca province, oil transportation company Cenit said.

Williams, MPLX, WES DJ Gathering Reach Settlement with EPA, DOJ Over Methane Leaks

The settlements announced by the Department of Justice and the Environmental Protection Agency require the three natural gas processors to pay a combined $9.25 million in civil penalties and make about $16 million in improvements at plants and compressor stations.

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.

US Cities to Receive Nearly $200 Million to Upgrade Aging, Leaking Natural Gas Pipelines

(P&GJ) — The U.S. Transportation Secretary Pete Buttigieg and the Pipeline and Hazardous Materials Safety Administration has awarded $196 million in grants to 37 projects spread across 19 states for the modernization of aging natural gas pipelines.

Tech Notes: Getting Pipeline Integrity Data Assessment Under Control

(P&GJ) — Effective integrity management and compliance with newly released regulatory requirements rely on accurate and reliable data. Many operators have data management systems containing voluminous datasets representing their pipeline systems.

Venture Global LNG Delays Commercial Ops at Calcasieu Pass in Louisiana

U.S. liquefied natural gas company Venture Global LNG told federal energy regulators and customers this week that it needs to make repairs at Calcasieu Pass in Louisiana that will delay the start of the export plant's full commercial operations.

South Africa's Transnet Halts Gas Supplies After Pipeline Damage

South Africa's Transnet has halted gas supplies through its Durban pipeline after an excavator damaged it, the state-owned logistics utility said on Friday.

Learning to Manage Risk of Over-Pressurizing Gas Pipelines

(P&GJ) — According to data from the International Energy Agency (IEA), in 2020, the world consumed 3.7 Tcf of natural gas. In other words, nearly 10 billion cubic meters of natural gas was transported daily from production sites to homes, businesses, and power plants worldwide through pipelines spread across millions of miles. Most of these pipelines operate underground, 24/7, quietly delivering a vital service to people across continents.

ABB India Automates 81-Mile India-Bangladesh Cross-Border Oil Pipeline

(P&GJ) — ABB India has delivered integrated automation and control solutions to enable the safe operation of the 130-km (81-mile) Indo-Bangla Friendship Pipeline (IBFPL), which will carry diesel from India to Bangladesh.

Colombia Cano Limon-Covenas Oil Pipeline Pumping Suspended for 12 Days

Oil transportation company Cenit, a wholly owned subsidiary of Colombia's majority state-owned energy company Ecopetrol, has suspended pumping operations along the Cano Limon-Covenas pipeline for 12 days as of Tuesday due to attacks on the infrastructure, it said.