ConocoPhillips Is the Leakiest Gas Company

Over the years, ConocoPhillips — an energy company so rich that it earns as much in a year as Croatia — has positioned itself as a good guy among its peers when it comes to greenhouse gas pollution.

It is a  of a U.N.-led initiative to reduce emissions of methane, a potent greenhouse gas that is the primary component of natural gas. In the United States, it is a longtime participator in U.S. EPA's voluntary  to curb methane leaks. In January, Ryan Lance, CEO of ConocoPhillips,  in Washington, D.C., that the industry is working diligently to tackle the problem.

"Industry is working pretty hard to make sure that we do the right things and we attack methane emissions," he said.

But, it would appear, ConocoPhillips' rhetoric does not always match its actions.

The company ran one of the top 10 leakiest operations among its peers in 2013, the latest year for which data are available, according to an analysis of federal and corporate data by . Its total assets also are greater than those of the top nine other leakiest companies combined.

Leakiness ("leak rate") is defined as the amount of methane a company emits per unit of oil and gas it produces at all the oil and gas fields it operates in the United States.

Simply put, it is a measure of how methane-dirty a company is compared to its peers. did a similar analysis in 2012 using the best data available at the time (ClimateWire, Oct. 6, 2014).

No greenhouse gas has landed the oil and gas industry as much in the crosshairs of the federal government as methane. The gas has a global warming potential 86 times that of carbon dioxide on a 20-year time scale. Where CO2 takes centuries to millennia to warm the planet, methane is its cousin on steroids, working quickly over decades before decaying into less virulent gases. Both gases matter for the climate.

Methane leaks are also anathema to Americans who pride themselves as efficient managers of natural resources, said Jon Goldstein, senior policy manager at the nonprofit Environmental Defense Fund (EDF). The venting, burning or leaking of natural gas is a waste of resources for state coffers, he said.

Methane leaks cost the federal government $360 million in 2013, Goldstein said, quoting from an EDF .

"That is a lot of money that is not being put to good use, and not being used to invest in infrastructure and schools and health care and things like that," he said.

Conoco: 'We have made progress'

The tussle now is over how this target will be met. EPA will release a draft plan this summer, but in the meantime, industry has been lobbying hard to avoid new regulations. Energy companies say they can police themselves, without a federal watchdog.

But this appears unlikely, considering the extent of leaks.

Between 2012 and 2013, ConocoPhillips' leak rate increased by 12 percent, according to 's analysis.

ClimateWire’s analysis based on EIA operated production data and EPA GHGRP data.

The leaks coincided with a profitable year for ConocoPhillips, which earned $9.2 billion in profits in 2013. It was the third-biggest American energy company by assets, according to the 's 2014 Survey of Top 150 U.S. Oil & Gas Companies.

A ConocoPhillips spokeswoman told  the company has taken proactive steps to reduce its methane emissions since 2013.

"We have made progress on reducing our emissions," she said in an email. "It is a continuous process, and we will continue to assess ways and implement programs that will continue to drive reductions and allow us to operate more safely, efficiently and responsibly."

'Leakiest' N.M. basin drives emissions

 ranked only the top 40 U.S. oil and gas companies by assets, who together contributed 67 percent of the methane emissions from the production sector.

Thousands of smaller companies contributed the rest of the emissions, and many of these are likely more inefficient than the top companies. However, the analysis was restricted to the top 40 in the belief that the most profitable companies can best afford to clean up their operations.

The company that was the leakiest in 2012, Bill Barrett Corp., did not feature in the 2013 rankings. That is because Bill Barrett's profits fell and it was no longer among the top 40 energy companies.

ConocoPhillips' emissions are high because of its large presence in the San Juan Basin. This basin is located mostly in New Mexico and has the distinction of being the leakiest methane field in the United States.

Satellite photos taken by NASA show a methane plume roughly the size of Delaware hovering over northern New Mexico.

Why New Mexico's fields are so leaky is unclear and is being studied by NASA and the National Oceanic and Atmospheric Administration.

Most of ConocoPhillips' emissions in the San Juan Basin are from venting of methane to the atmosphere during a well cleaning process called "liquids unloading." The company also has abnormally high emissions from other processes and technologies.

A 2014 improvement?

ConocoPhillips was relatively lax in adopting such technologies in 2013, according to its 2013 filing with CDP, a London-headquartered nonprofit that collects survey responses from major companies for investors worried about climate change.

The company used reduced emissions completions in only 29 percent of natural gas wells in the United States, the filing said. By comparison, Chevron, the second-most profitable American company, told CDP it used such completions in 90 percent of its natural gas wells in 2013.

Exxon Mobil left that question blank.

ConocoPhillips said that it significantly curbed pollution in 2014, the year following analysis. Its preliminary numbers show that carbon emissions in the San Juan Basin dropped by nearly half, a spokeswoman said.

Methane emissions from liquids unloading in the San Juan fell by 66 percent since 2013, and emissions from pneumatic devices fell by 59 percent, she said.

The company is now replacing all high-bleed pneumatic devices with lower-bleed devices, she said.

"Over the last few years, we have taken proactive steps to reduce emissions companywide, including in the San Juan Basin," she said.

Corroborating these statements would take another year, as EPA is still finalizing its greenhouse gas database for 2014.

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