Texas Becomes Sixth State to Be Granted Primacy for Class
VI Injection Wells for CO2 Storage
The State of Texas was
recently granted primacy by the EPA to regulate Class VI underground injection
wells for carbon sequestration, becoming the sixth state to do so after North
Dakota, Wyoming, Louisiana, West Virginia, and Arizona. There are 64 pending
permit applications in the state for CO2 sequestration. Legal group JD Supra
notes the importance of Class VI wells and the reason they are highly
regulated:
“Class VI requirements are among the most stringent in
the UIC program. Carbon dioxide is buoyant, mobile, and corrosive in the
presence of water, and projects inject massive volumes intended to remain
underground for centuries. Regulations require sophisticated computational
modeling to predict CO₂ plume migration, corrosion-resistant materials,
continuous monitoring, and a default 50-year post-injection site care period.”
They also note that once a
state is granted primacy, permit review times are typically cut in half. Texas
leads the nation in CCS permits, including one by Occidental for the largest
direct air capture project in the world, which aims to inject and store 500,000
tons annually. Texas, they note, is quite invested in these CCS projects and
will depend on its regulator, the Texas Railroad Commission (RRC), to be a
good-faith partner in these efforts.
“Texas has staked enormous economic and political
capital on CCS leadership—the RRC’s execution will determine whether that bet
pays off.”
RRC Leader Suggests CCS is a Scam and Carbon is Not a
Threat
According to an article in
the Houston Chronicle:
“Wayne Christian, one of the three elected leaders of
the Texas Railroad Commission, questioned why the commission would spend state
funds regulating the practice when the Trump administration believes it is
"a scam" and that carbon dioxide "is no longer a threat."
"I also find myself very disappointed that we make
a decision," he said, referring to the commission's approval of Occidental
Petroleum's carbon storage project, "at this time that the administration,
the world, seems to be realizing that a lot of this extremist environmental
agenda has been over the top."
Billions have been spent by
some of the world’s biggest oil companies for projects in CCS projects in
Texas. ExxonMobil has suggested that CCS could become a trillion-dollar
industry. Exxon recently paused a hydrogen production and CCS project in the
state due to a rollback in funding from the federal government. The Trump
administration has left CCS 45Q tax breaks in place but rolled back some 45V
hydrogen tax credits. This resulted in a retrieval of $330 million in funding
for the project that the Biden administration had already earmarked. It was set
to be one of the world’s largest hydrogen projects. The company did not cite
the funds pullback as the cause for the pause, but rather a failure to get
enough offtake buyers for the hydrogen.
“The Railroad Commission said it has 18 pending
applications for carbon storage wells and is aware of others in the works
across the state. Applications for "Class VI" carbon storage wells in
Texas accounted for roughly a quarter of pending permits nationally, according
to an EPA tracker.”
DOE Official Encourages Permian Basin CCS Project
Development
Meanwhile, Kyle Haustveit,
assistant secretary for the hydrocarbons and geothermal energy office at the
U.S. Department of Energy, urged attendees at the annual CO2 Conference to
continue their work. He and others see growing potential for using CO2 for
enhanced oil recovery (EOR). Chuck McConnell, executive
director at the University of Houston Center for Carbon Management in Energy,
is excited about the possibility of the growth of CCS-EOR, especially in the West
Texas Permian Basin, praising its low carbon credentials:
“…oil produced from CCUS-EOR is the lowest carbon
intensity oil produced in the world. It will be better oil than anywhere else
from an environmental standpoint. EOR will advance American security and
affordability.”
EOR will certainly grow in
importance, and there will be more projects as the best remaining rock in the
Permian is drilled up in the next decade or so.
References:
A
trillion-dollar climate industry emerging in Houston's backyard meets new
resistance. Rachel Nostrant. Houston Chronicle. December 10, 2025. A
trillion-dollar climate industry emerging in Houston's backyard meets new
resistance
DOE
official urges Permian Basin to push carbon capture, enhanced oil recovery. Mella
McEwen. Midland Reporter-Telegram. December 9, 2025. DOE
official urges Permian Basin to push carbon capture, enhanced oil recovery
Texas
takes the reins on Class VI carbon sequestration wells. JD Supra. Legal News. December
10, 2025. Texas
takes the reins on Class VI carbon sequestration wells | McGinnis Lochridge -
JDSupra
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