Maintenance

Reassessing Value Placed on System Pressure Tests

Since the cost of failures during the construction of offshore pipelines is significant, over time, an extensive quality management regime has been developed. One such measure is to pressure test the whole pipeline system when the build is completed.

Gazprom Helping Determine Lawful Ownership of Russian Gas Pipelines

In the absence of lawful owners, gas networks and pipelines lack proper control and maintenance. More than 70% of such facilities are in the North Caucasus, Volga and Siberian Federal Districts.

Life Extension of Pipelines with Crack Defects Using Composite Repairs

Composite repairs are being used widely to restore the integrity of pipelines impaired by wall thinning arising from corrosion anomalies.

CERAWEEK: Texas Needs to Winterize its Grid or Interconnect with Neighbors

Texas should winterize its electric generation plants or consider connecting its grid with other parts of the country to help avoid another deadly blackout like the one last month that left people without heat, power or water for days.

Choosing, Using Composite Repair Systems

There are many variables when considering a composite repair, making it almost impossible for a single, ready-made composite to work well in every situation.

Appropriate Methods for Repairing Pipelines

Over many decades now, the ever-growing network of on- and offshore pipelines has transported an increasing volume of refined petroleum products, industrial chemicals, crude oil and natural gas to commercial and household customers. North America is a case in point.

CenterPoint Completes $240 Million Pipeline Modernization Plan, Seeks Cost Recovery

CenterPoint Energy's Southern Indiana Gas and Electric utility has asked regulators for a rate increase to recover the costs of its 7-year, $240 million natural gas pipeline modernization plan.

Fluor Awarded Pipeline Construction, Maintenance Contract in Peru

Fluor has been awarded a pipeline construction and maintenance contract in Peru by Compañía Operadora de Gas (COGA) under the Consorcio Mantenimiento de Gasoductos del Peru (CMgP) consortium.

How to Repair Large Pipes at Break Point Using FRP Laminates

The new version of SuperLaminate under development will enable installing the system through bends, so that point repairs can be performed utilizing launch pads, without causing any damage to the existing pipe.

T.D. Williamson Crews Isolate Burning NGL Pipeline for Repair

Crews at T.D. Williamson isolated a ruptured 14-inch NGL pipeline, while gas continued to flare off, enabling them to repair the system while it remained in service.

Genesis Energy Oil Pipeline Unlikely to be Restored Before October

An oil pipeline owned by Genesis Energy in the U.S. Gulf of Mexico is unlikely to return to operations before October 1, the company said in a statement on Thursday.

Pipeline Challenges Limits of Leak-Tight Pipeline Isolation Capabilities

Maintaining the integrity of piping and pipeline infrastructure continues to be of vital importance to owners and operators, particularly as a higher number of pipelines move into their fourth and fifth decade of operation, far beyond their original design life.

A Clearer Picture: How Phased Array UT Delivers 3-D Results

Today’s advanced phased array UT instruments and software give technicians the computing power to transform traditional 2-D inspection data into full-color 3-D visualizations

Using Phased Array UT in Lieu of Radiography for Weld Inspections

Since its introduction in the early 2000s, phased array ultrasonic testing (UT) instruments have been embraced by NDT service providers for weld inspections in lieu of RT.

Proper Prepping Promotes Greater Profits in the Permian

As the oil and gas industry recovers from the COVID-19 pandemic, the ability for service companies to be responsive and nimble is vital.

Chevron Delays Restart of Gorgon LNG Train for Additional Repairs

Chevron is delaying the restart of Train 2 at its Gorgon LNG plant in Western Australia until October to allow for additional repairs.

Imperial Shuts Kearl Oil Sands Operations After Pipeline Outage

Imperial Oil announced on Wednesday it has shut production at its Kearl oil sands production site in Canada due to an outage on a third-party pipeline.

Enbridge Restores Offshore Pipelines After Hurricane Shutdown

Enbridge has restored operations on two of its offshore natural gas pipelines in the U.S. Gulf of Mexico after Hurricane Laura prompted shutdowns last week.

CPP Completes Pressurized Pipeline Repair with Mechanized Welding Technology

China Petroleum Pipeline Engineering (CPP) was hired by PetroChina Southwest Pipeline Company to complete the work on the China-Myanmar Oil and Gas Pipeline, a pressurized 40-inch by 80-grade gas pipeline, using mechanized FCAW in-service welding technology.

Nigeria Opens Pipeline, Depot Repair to Private Investors

Nigeria's state oil company NNPC is seeking bids for companies to perform repairs to its pipeline infrastructure and depots serving its oil refineries.

Pipeline Rupture Halts Gas Flows from Bulgaria to Greece

Gas flows on a pipeline in southern Bulgaria which transports Russian natural gas to Greece were halted on Monday due to a rupture in the pipeline.

Nord Stream Returns to Operations After Maintenance

Gazprom has returned its Nord Stream natural gas pipeline, which carries gas across the floor of the Baltic Sea from Russia to Germany, to service after performing routine maintenance on the line.

Enbridge Contractor Vessels May Have Bumped Pipeline Support

Enbridge has reported the findings of its investigation into minor damage of its Line 5 pipeline that occurred last month revealing the possibility that a vessel operated by one of the company's contractors may have been responsible.

Custom Adapters, Tubing Eliminate Leaks, Allow Retrofitting

To complete engine retrofits at older pipeline compressor stations, HES has come to rely on specially designed fuel injector adapters from Swagelok that provide leak-tight connections to eliminate fugitive emission worries.

Russia's Blue Stream Gas Pipeline to Turkey Idle Since May — Sources

Russia's Blue Stream gas pipeline, which transports gas to Turkey, remains shut after scheduled maintenance was completed at the end of May.

Pipeline Shutdown Adds to Record Decline in U.S. Natural Gas Output

Unplanned maintenance on TC Energy's Mountaineer Xpress Pipeline helped push U.S. natural gas output on Tuesday towards its lowest point since September 2018.

Abandoned Oil Tanker off Yemen Coast at Risk of Exploding

An abandoned oil tanker less than four miles off the Yemeni coast is at risk of exploding releasing more than a million barrels of crude oil into the Red Sea according to UN officials.

Total Reviewing Pipeline to Grandpuits Oil Refinery After Leaks

A spokesman for French energy group Total said on Friday the company is exploring the costs of replacing a 161-mile oil pipeline that feeds its Grandpuits refinery near Paris.

Coating Repairs Under Way on Enbridge Line 5 pipeline

Enbridge reported it has begun repairing gaps in the protective coating on its Line 5 pipeline in Michigan's Straits of Mackinac after the damage was discovered during routine maintenance that began early this month.

Enbridge Finds Coating Gaps on Michigan Pipeline

Enbridge has reported it has discovered four spots on its subsea oil pipeline in Michigan's Straits of Mackinac where the protective coating has eroded away exposing the bare metal of the pipe.