Integrity

Michigan Governor Drops Plan on Line 5 Tunnel Oversight

Michigan Gov. Rick Snyder on Monday abandoned his proposal to have the state’s Mackinac Bridge Authority oversee the construction and operation of a tunnel to house a replacement for the Line 5 oil pipeline in the Great Lakes, noting that the proposal did not have enough legislative support.

Canada's Frontera Stops Production After Attack on Peru Oil Pipeline

Canadian oil company Frontera Energy said it stopped production at Peru's largest oilfield after a Peruvian-owned pipeline was severed last week by indigenous protesters.

Malaysia Completes Repairs to key Sabah Sarawak Gas Pipeline

Malaysia's Petronas said production at the Kebabangan gas field is expected to return to full capacity by August 2019 after integrity testing is completed on the repaired pipeline, which is undergoing integrity testing.

Choosing and Using Composite Repair Systems

With so many repair options in the oil and gas industry, choosing the right repair with the best materials can be difficult. There are many variables when considering a composite repair, including operating pressure and temperature, defect type and severity, pipe geometry and external or internal chemical presence.

Transneft Diascan Comissions New Type of Inline Inspection Tool

Transneft Diascan has developed, manufactured and commissioned a new type of inline inspection tool that can find peeling areas in the pipeline coating.

Improving Methane Emissions from Natural Gas Transmission, Storage

Interstate natural gas transmission companies are committed to minimizing methane emissions. This article explains methane emission sources for the transmission and storage sector and the basis for emissions commitments that INGAA members have voluntarily adopted.

Another Keystone XL Setback: Environmental Study Ordered

Environmentalists cheered a federal court order that blocks a Trump administration permit for the construction of the Keystone XL pipeline, pending an environmental review.

Feds Open Criminal Probe into Natural Gas Explosions

Federal prosecutors are conducting a criminal investigation into the natural gas explosions and fires that rocked three communities north of Boston in September.

GITA's Limbruner sees Bright Future for Sector

Mark Limbruner, the current president of the Geospacial Information & Technology Association (GITA), shares his perspective after three decades in the geospatial industry.

Firefighters Sue SoCal Gas over Aliso Canyon Leak

Firefighters who worked in and around the site of a massive natural gas leak have sued Southern California Gas Co., alleging the utility knowingly let them be exposed to dangerous levels of toxic chemicals.

Canada Pipeline Blast Risks Washington Natural Gas Shortage

A pipeline explosion in British Columbia risks cutting off the flow of Canadian natural gas to Washington State, and companies are urging customers to conserve.

Minnesota Judge Tosses Charges Mid-trial Against 3 Activists

A Minnesota judge abruptly dismissed charges against three climate change activists during their trial, saying prosecutors failed to prove that the protesters’ attempt to shut down two Enbridge Energy oil pipelines caused any damage.

Gas Line Rupture Prompts Evacuation in British Columbia

A natural gas transmission pipeline ruptured in a rural area north of Prince George in the Canadian province of British Columbia, prompting precautionary evacuations, pipeline owner and operator Enbridge said.

Leak Detection Challenges on Crude Gathering, Produced Water Networks

A review of the four main leak detection methods and their abilities to overcome the unique challenges of crude oil gathering networks and produced water pipelines.

You Do Leak Detection, but Do You have Breach Detection?

Pipeline companies invest considerable effort preventing, detecting, and responding to leak incidents, but are they investing enough effort preventing, detecting, and responding to cybersecurity incidents? Since, in principle, a cyber-incident could lead to a leak incident, companies should consider breach detection as part of their overall leak prevention program.

Controlling and Stopping Flow in Polyethylene (PE) Natural Gas Pipelines

While there are several established ways to control and stop flow in PE pipes, new techniques have emerged and are worth considering. Here are some options and the advantages and disadvantages that should help you in evaluating the best method for your PE pipeline.

Drones: Flights of Fancy or Future of the Energy Industry?

As wildfires again ravaged much of California and other western states, energy industry responders could hardly imagine how their counterparts dealt with similar disasters just a few years ago without drones.

Strategy Shaped by Volatility

Among major supply factors, deferred maintenance continues to challenge global production. Maintenance is especially critical in basins with aging asset infrastructure, as recently evidenced by the crack in the North Sea Forties pipeline.

Composite Sleeves Restore Gas Pipeline Integrity in Gujarat

A recent composite repair carried out in Gujarat, India, illustrates how local installers redressed pipeline damage, rapidly restoring line integrity and delivering a safe and durable solution.

Lawsuit FIled Against NiSource, Columbia Gas over Explosions

BOSTON (Reuters) - A resident of a Massachusetts city rocked by last week's deadly gas blasts that damaged dozens of homes sued utility operator NiSource Inc on Tuesday, accusing it of inadequately maintaining its distribution system. The proposed class action lawsuit targets NiSource and its sub..

PSE&G’s Record Gas Main Project Demonstrates Growing Role of CIPL

When PSE&G identified numerous joint leaks in an aging cast-iron gas main, the Newark-based utility faced the additional challenge of a crowded and complex substructure. Its permanent renewal of the 36-inch main using trenchless methods and a cured-in-place liner set a new world record.

Ashcroft

Ashcroft introduced redesigned differential pressure gauges that offer higher static pressure ratings, improved accuracy and all-welded construction that can withstand line pressures up to 580 psi.

Leak Detection Going to the Dogs

Dogs can perform a multitude of services including protection, therapy, rescue, and tracking to name a few. They can be trained to detect virtually anything, including pipeline leaks.

Pipe Pressure Before Explosions was 12 Times too High

The pressure in natural gas pipelines prior to a series of explosions and fires in Massachusetts last week was 12 times higher than it should have been, according to a letter from the state's U.S. senators to executives of the utility in charge of the pipelines.

Official: Pressure Sensors Focus of Gas Explosions Investigation

The investigation into the Boston-area natural gas explosions is partially focused on pressure sensors that were connected to a gas line that was being taken out of service shortly before the blasts, the head of the National Transportation Safety Board said.

Massachusetts Gas Explosions Shine Spotlight on Century-old Pipelines

Thousands of miles of natural gas pipelines in Massachusetts are leak-prone and need repair, utilities have told state regulators, highlighting aging energy infrastructure risks after explosions ripped through three towns outside of Boston this week.

Dozens of Gas Blasts Rock Boston Suburbs, Killing at Least 1, Injuring 12

Dozens of explosions, apparently triggered by a natural gas pipeline rupture, rocked three communities near Boston on Thursday, killing at least one person, injuring 12 and prompting the evacuation of hundreds, officials said.

Unconventional Well Demands and EOR Drive Innovation in Subsea Sealing Technology

As the subsea industry continues to evolve to help meet the demands of oilfield operators, there is now an even greater requirement for ground-breaking sealing technology.

Preparing Pipelines for Successful In-Line Inspection

Gauge pigs provide insight into some conditions inside the pipe, but not all of them. They’re not intended to measure pipeline cleanliness or indicate if debris has built up to the point that it will impair the inspections tool’s data-gathering capabilities.

Pipeline Digs Get Assist From PMO

Performing direct assessments to verify a pipeline’s MAOP is not new, but as federal regulations become more stringent, the volume of digs will increase significantly, and operators need to keep up with the pace.