It’s a Vast, Invisible
Climate Menace. We Made It Visible
Immense amounts of methane are escaping
from oil and gas sites nationwide, worsening global warming, even as the Trump
administration weakens restrictions on offenders.
·
But
a highly specialized camera sees what the human eye cannot: a major release of
methane, the main component of natural gas and a potent greenhouse gas that is
helping to warm the planet at an alarming rate.
To
the naked eye, there is nothing out of the ordinary at the DCP Pegasus gas
processing plant in West Texas, one of the thousands of installations in the
vast Permian Basin that have transformed America into the largest oil and gas
producer in the world.
But
a highly specialized camera sees what the human eye cannot: a major release of
methane, the main component of natural gas and a potent greenhouse gas that is
helping to warm the planet at an alarming rate.
Two
New York Times journalists detected this from a tiny plane, crammed with
scientific equipment, circling above the oil and gas sites that dot the
Permian, an oil field bigger than Kansas. In just a few hours, the plane’s
instruments identified six sites with unusually high methane emissions.
Methane
is loosely regulated, difficult to detect and rising sharply. The Times’s
aerial and on-the-ground research, along with an examination of lobbying
activities by the companies that own the sites, shows how the energy industry
is seeking and winning looser federal regulations on methane, a major
contributor to global warming.
Operators
of the sites identified by The Times are among the very companies that have
lobbied the Trump administration, either directly or through trade
organizations, to weaken regulations on methane, a review of regulatory
filings, meeting minutes and attendance logs shows. These local companies,
along with oil-industry lobby groups that represent the world’s largest energy
companies, are fighting rules that would force them to more aggressively fix
emissions like these.
Next
year, the administration could move forward with a plan that would effectively
eliminate requirements that oil companies install technology to detect and fix
methane leaks from oil and gas facilities. By the E.P.A.’s own calculations,
the rollback would increase methane emissions by 370,000 tons through 2025,
enough to power more than a million homes for a year.
In
the air, Times reporters surveyed an area in and around two counties in the
heart of the Permian with the help of specialists in methane detection.
“This
site’s definitely leaking,” said Paolo Wilczak, a scientist and the pilot of
the two-seater aircraft, as a laptop monitor hooked up to the equipment
registered a blip in methane levels. “And that one, too.”
The
reporters drove to the sites armed with infrared video gear that revealed
methane billowing from tanks, seeping from pipes and wafting from bright flares
that are designed to burn off the gas, but sometimes fail to do so completely.
At one site, a worker walked directly into a methane plume unprotected.
Tim
Doty, a former senior official at the Texas Commission on Environmental Quality
who is trained in infrared leak detection, examined and helped analyze the findings. “That’s a crazy amount of emissions,”
he said. “It takes a little bit of investigative work, but with an infrared
camera, you can see it.”
Oil
and gas companies were committed to driving down emissions “while delivering
affordable, reliable energy to American families,” said Howard Feldman, senior
director of regulatory and scientific affairs at the American Petroleum
Institute, a major industry lobby group. Its members believed that regulations
should be improved, however, to provide clarity for businesses, avoid
duplicating state rules and drive industry innovation, he said.
The
regulatory rollback sought by the energy industry is the latest chapter in the
administration’s historic effort to weaken environmental and climate
regulations while waging a broad-based attack on climate science.
Scientists
say that, in weakening the rules, the Trump administration underestimates
methane’s global climate effects. It also disregards research that suggests
methane emissions from oil and gas infrastructure are far larger than
previously estimated.
The
findings address the mystery behind rising levels of methane in the atmosphere.
Methane levels have soared since 2007 for reasons that still aren’t fully
understood. But fracking natural-gas production, which accelerated just as
atmospheric methane levels jumped, is a prime suspect.
Methane
leaks from oil and gas production threaten to erode the advantage that natural
gas has over coal in meeting the world’s energy needs, scientists say. When
burned for electricity, natural gas produces about half the carbon dioxide that
coal does. But if methane is not burned off when released, it can warm the
planet more than 80 times as much as carbon dioxide over a 20-year period.
Methane
also contributes to ground-level ozone, which, if inhaled, can cause asthma and
other health problems.
“It’s
increasingly clear that fossil fuel production has dramatically increased
global methane emissions,” said Robert Howarth, an earth system scientist at
Cornell University and author of a study estimating that North American shale
gas production may be responsible for about a third of the global increase in
methane emissions over the past decade.
A
bright red-and-white plane pirouetted above the Texas scrub, banking so sharply
it were as if the tiny aircraft was spinning on a
wingtip. Mr. Wilczak, a pilot and flight scientist for Scientific Aviation, an
aerial leak-detection company, executed tight circles above an oil
installation.
Tiny
tubes affixed to the wings siphoned air to a sensitive spectrometer, jammed
behind the seats, capable of detecting and measuring methane. Mr. Wilczak said
it takes about seven seconds for the air to pass through and register a reading
on a computer balanced on the lap of the only passenger.
Detecting
methane emissions is difficult work that often begins with flights like these.
Oil and gas sites are not required to install round-the-clock emissions
monitors, and flights are one of the ways to spot trouble.
In
the course of about four hours of flying, we found at least six sites with high
methane-emissions readings, ranging from about 300 pounds to almost 1,100
pounds an hour, including at DCP Pegasus, which is part owned by the energy
giant Phillips 66.
Those
readings would very likely put those sites in the category of “super emitters,”
a term used by scientists to describe large-scale releases that are responsible
for a disproportionately high share of methane emissions from oil and gas
sites. In a 2017 study of the Barnett shale basin in Texas, methane releases of
about 60 pounds or more an hour were classified as super emitters, making up
just 1 percent of sites but accounting for nearly half of total emissions.
On
the ground, the Permian is a landscape of parched cotton fields, bobbing pump
jacks and dirt roads that stretch for miles. We drove out to photograph the
emissions we had detected from the air with a specialized infrared camera
fitted with a lens made not of glass, but metal.
At
the DCP Pegasus plant, south of Midland, the camera transformed a tranquil
scene into a furnace. Hot columns of gas shot into the air. Fumes engulfed
structures.
The
camera sees several types of gases, including methane and ethane, both
greenhouse gases, as well as pollutants called volatile organic compounds. Any
emissions are likely to contain a mixture of the gases. Mr. Doty, who now runs
a consultancy, said the emissions appeared to be from vapor combustors,
compressors and storage tanks.
According
to Texas regulatory records, DCP has reported more than 250 unpermitted
emissions events this year in the Permian Basin and is among the area’s bigger
emitters. State rules allow facilities to report irregular emissions without
penalties.
Sarah
Sandberg, a spokeswoman for DCP, which operates several pipelines and almost 50
gas processing plants nationwide, said she had “many questions regarding the
accuracy of your assessment and assumptions.” She did not respond to repeated
follow-ups.
Phillips
66 declined to comment.
At
the EagleClaw Midstream gas processing plant just
south of Pecos, we found emissions spewing from the top of a wastewater tank.
The plant’s manager, Justin Bishop, walked over to look at what we were
filming. “We didn’t know it was leaking,” he said.
A
worker went to check on the tank, climbing some stairs and walking into the
plume.
He
said the emissions were simply water vapor. “There’s no problem,” he said. “We
aren’t reporting it.”
But
Mr. Doty, the former Texas emissions regulator, said water vapor would have
been visible to the naked eye. “That isn’t water,” he said. “That’s a whole lot
of emissions.”
In
a statement, EagleClaw said its workers had
discovered that the tank’s valve did require maintenance and that the problem
had been fixed 30 minutes later.
“The
amount of gas that leaked was determined, by our experts, to be well below any
legal reportable limits,” Todd Carpenter, the company’s chief compliance
officer, said in an email. He added that the safety and security of EagleClaw’s employees, and of the public, “was of primary
concern.” The company has not filed an emissions event report this year.
As
early as March 2017 — just months after the presidential inauguration — fossil
fuel companies made contact with the Trump administration to argue for a
rollback of methane emissions rules.
They
held repeated meetings with federal officials, including an important one in
November 2018, when lobbyists for DCP, EagleClaw and
other oil processing companies met with officials from the Environmental
Protection Agency to discuss a critical topic: unintended or “fugitive” methane
emissions.
Representatives
of the lobby group, GPA Midstream, argued that the E.P.A. should relax
monitoring requirements for fugitive emissions at gathering and compressor
facilities, according to regulatory records reviewed by The Times. GPA
Midstream met with Trump administration officials at least three times on the
matter.
“More
frequent monitoring would not be cost-effective,” GPA lobbyists later said in
comments filed with the agency, and stricter regulation was “costly and
burdensome.”
The
efforts were part of a broader industry push to reverse Obama-era rules that
would have forced operators to more aggressively monitor and repair natural gas
leaks while reducing flaring.
Earlier,
at a March 2018 meeting, lobbyists for the Independent Petroleum Association of
America, which represents thousands of oil and gas companies nationwide,
circulated material that forcefully rebutted the scientific evidence of large
fugitive emissions from drilling sites. The lobbyists said the data “create the
illusion” that super emitters pose a problem, according to a handout from the
meeting.
The
petroleum association vice president, Lee O. Fuller, said in an interview that
for smaller operators, which often run low-producing wells, the costs of
excessive regulations could be crippling. They “could put many out of
business,” he said.
The
companies found an administration willing to listen. Before his appointment to
the post of assistant administrator at the E.P.A. overseeing air pollution,
William L. Wehrum lobbied on behalf of oil and gas
producers, including gas processors and petroleum refineries.
Mr.
Wehrum resigned from the agency in June and is under
investigation for his contacts with former clients. His former boss, Andrew
Wheeler, the E.P.A. administrator, also lobbied for energy companies earlier in
his career.
By
this August, the E.P.A. had proposed a broad rollback, including rescinding
direct regulations of methane emissions completely. Volatile organic compounds,
a separate but related category of gases, would remain regulated, which would
have a side effect of limiting some methane emissions.
In
a statement, an E.P.A. spokesman, Michael Abboud, said methane was a valuable
resource, so the industry already “has an incentive to minimize leaks.” He
added that E.P.A. staff members work with ethics officials “to ensure they are
in compliance with all ethics rules.” Mr. Wehrum did
not respond to a request for comment.
Energy
giants including BP, Exxon Mobil, Chevron and Shell have, to varying degrees,
publicly supported methane regulation. However, trade associations representing
all three, including the American Petroleum Institute and the Independent
Petroleum Association of America, have fought against direct regulation.
A
spokesman for BP said the company wanted to maintain the direct regulation of
methane, and an official from Exxon said the company was making voluntary
efforts to reduce methane, including infrastructure upgrades. A Chevron
spokesman, Sean Comey, said the company “supports global efforts to reduce
flaring and methane emissions.” Shell said it supported the continued direct
regulation of methane and more frequent leak inspections.
Some
companies are starting to use infrared cameras, drones and other technology to
detect methane leaks. BP said recently it would use drones and surveillance
cameras to monitor for fugitive emissions at new oil and gas projects. Shell is
testing solar-powered technology to watch for leaks.
As
the boom-and-bust oil business goes through another one of its financial
gyrations — production in the Permian is expected to slow as a glut of gas and
rock-bottom prices take their toll — there are concerns that investments in
methane detection won’t be a priority, particularly for smaller operators.
One
site where we identified leakage with the infrared camera was an unmanned well
pad with a battery of gray tanks. “There’s a lot of
volume coming out of there,” Mr. Doty later said of the images. “If this is
going 100 percent of the time, that’s a lot of emissions.”
The
site was owned by MDC Texas Operator, which we discovered had filed for
bankruptcy that very day.
Calls
to the company went unanswered, and its bankruptcy lawyers didn’t return
requests for comment. It is unknown whether the tank is still spewing gas.