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Earthquakes associated with drilling mess Texas
Nata Rain can look out her front window and see the world’s largest spring pool and the desert oasis that surrounds it in Toyahville, Texas.
And from there, you often feel the earthquakes that you fear will destroy the spring and pool at Balmorehia State Park.
“We fear these springs are one earthquake away from disappearing forever,” Ryan said.
Scientists say the oil and gas industry – which dominates the West Texas economy – is causing the shaking. Specifically, earthquakes are associated with the injection of billions of gallons of underground sewage that comes from wells into the drilling area known as the Permian Basin.
The forbidding expanse of the Chihuahuan Desert east of El Paso has made it one of the most seismic regions in the country. The plain between El Paso and Midland has been hit this year by 15 earthquakes of magnitude 4 or more — big enough to shock dishes and make homes cracking.
And that’s just the most dramatic example of an increase in earthquakes in Texas and southeastern New Mexico in recent years, many of which are related to oil and gas. There have also been earthquakes around population centers – including Midland, Snyder and San Antonio.
This trend is turning Texas into a seismic state and has prompted the state’s industry-friendly oil and gas regulators to scale back some oilfield activities.
So far this year, there have been nearly 200 earthquakes of magnitude 3 or greater in Texas, nearly double the number recorded in 2020. Moreover, there were five in southeastern New Mexico. There have been no casualties, and little damage has been reported, but there are concerns about what could happen if the earthquakes continue to expand, repeat or approach population centers.
“We know the historical baseline. We’re far above that,” said Mary Leatherland, director of the New Mexico Tech Seismological Observatory, which studies earthquakes across the state line. “The current level of earthquakes is not really a problem. It could cause problems if it continues.”
The largest earthquake occurred in March 2020. With a magnitude of 5, it was large enough to cause real damage. But because it was centered under an empty flat grazing land between the Pecos River and the Rustler Hills, there wasn’t much damage.
However, Ryan felt it was 50 miles to the south. She said he caused about $2,000 in damage to her home.
She worries that more of these earthquakes could damage the San Solomon Spring, which feeds the pool in the state park across the road from her home. An earthquake about 60 miles to the south in the 1990s caused spring to turn a milky color for some time. Now, there is an earthquake of magnitude 3 or more in its area every three days on average.
The sabotage of the spring could destroy Rhine, which operates a dive shop that serves people who visit the park to snorkel and snorkel. She also has a deep love for the area, having moved in with her husband in 1984 and decided to stay. The area has several other springs, where water flows from the fissures. It is home to at least two endangered fish species.
“When that happens, you can’t just say, ‘Oops! She said in a phone interview last week.
Rhyne has been protesting heavy drilling in the area since 2016, when Apache Corp. announced a large-scale drilling project in the area. By her count, she’s protested about 120 disposal wells to the Texas Railroad Commission, which regulates oil and gas, and failed each time. She admits that her neighbors have not committed to this cause. She says she has “closet supporters” in the area.
Not bothered by many. The shaking did not catch the eye of Loving County magistrate Skeet Lee Jones, where Mentone, an unincorporated community of 29, is the county seat. In September, the region experienced six earthquakes of magnitude 4 or greater near Menton 25 miles away. The Railroad Commission described the series of earthquakes as “an unprecedented frequency of large earthquakes in a local area in Texas.”
“I heard about it first,” Jones said when asked about the earthquakes in October.
But what about the magnitude 5 earthquake centered in the region and felt 200 miles away in Lubbock?
He replied, “Oh, yes.” “I thought you meant recently.”
Texas regulators take action Click here to view this graphic more. | Texnet Research and Integrated Earthquake Research Center
Texas has perhaps the most historic history of earthquakes associated with oil and gas. Going back decades, the list includes a swarm near Azle in 2013, another at Dallas-Fort Worth Airport in 2008, and earthquakes in 1925 linked to rapid oil and gas extraction that caused land near Houston to sink underwater (Energywire, May 18) , 2016).
Earthquakes in far west Texas are caused by the dumping of oil fields, according to a presentation in October by Alexandros Savidis, a research scientist at the Texas Bureau of Economic Geology. He is less certain about the earthquakes near Midland, saying they were “most likely” caused by sewage disposal. Determining a cause in this case was hampered by a lack of data. While many states require monthly reports on wastewater disposal volumes, Texas requires reporting only once a year.
In the Eagle Ford area around San Antonio, Savvides’ show attributes earthquakes to hydraulic fracturing. Northeast Midland, near Snyder, vibration has been linked to improved oil recovery techniques, such as carbon dioxide injection.
The wastewater that causes most earthquakes — salty, toxic, and sometimes radioactive — comes from oil or gas production wells. Most oil wells produce more wastewater than oil, often several times more. In Texas alone, the industry generates nearly one billion gallons per day. Oil and gas are separated, and wastewater is generally injected underground through disposal wells.
Scientists have known for decades that underground injections of industrial fluids, including sewage from oil and gas, can lead to earthquakes. It drives the fluid into the malfunctions, changes pressures and essentially lubricates them to the point where they slip. This phenomenon was most pronounced in Oklahoma, which experienced 905 earthquakes in 2015 (Energy Wire, January 29, 2016).
Linking earthquakes to oil and gas has been a politically sensitive topic. Some executives in the oil and gas industry have rejected scientific findings linking earthquakes to oilfield wastewater or the practice of hydraulic fracturing.
And sometimes, it was the case for the regulators.
When scientists from Southern Methodist University attributed the seismic encroachment around Azle to the disposal of the oil fields, oil and gas regulators at the Texas Railroad Commission dismissed the link as unproven (Greenwire, September 1, 2015).
However, the commission has begun to closely examine the permits for new wells, which has resulted in applications being returned, withdrawn, or approved on special terms.
This year, the commission said the disposal of oil fields was “likely” contributing to earthquakes near Midland and east El Paso. Commission spokesman Andrew Casey said the agency “imposes strict regulations on oil and gas disposal wells in earthquake zones.”
However, her approach was voluntary – until last week.
In September, agency officials asked operators of 76 injection wells around Midland to voluntarily reduce wastewater injection. The Midland region, considered the unofficial capital of the oil industry in the Permian Basin, has been hit this year by nearly 20 earthquakes of magnitude 3 or greater. The agency also said it would stop allowing new wells to dispose of oil fields in the area (EnergyWire, September 27).
But five more earthquakes shook the area around Midland and nearby Odessa in October and November. In response, the railway commission stopped the question and said it had “requested” seven deep wells to suspend injection activity (Energy Wire, Dec. 6).
In October, the agency intervened to respond to earthquakes in the far west in Colperson and Reeves counties, west of Menton. The sparsely populated region has experienced more than 150 earthquakes this year, including 15 of magnitude 4 or greater.
Regulators have asked local operators to develop a plan to reduce vibration. If they don’t, the agency said it will implement its own plan.
The series of earthquakes in September is the same as the number of earthquakes that have occurred in the region in 76 years between 1930 and 2016, Savvides said.
“The difference is really big,” he said.
North Mediterranean places maintain disposal permits
The head of the local oil and gas group, the Permian Basin Oil Association, said its members intend to follow the committee’s guidelines.
“Our members, who live, work and raise families in the Permian Basin, will follow the guidance of our regulatory agencies,” said Society President Ben Shepherd, “as well as continue to take proactive steps to reduce volumes, change the type of injection and more to prevent and reduce induced earthquakes for the benefit of the communities we call home.”
Regulators in New Mexico intervened shortly before Thanksgiving and suspended permits to dispose of a well 10 miles away from a cluster of earthquakes in the state’s southeast corner.
The main danger, Savvidis said, is the industry infrastructure, especially pipelines.
Also located near the Waste Isolation Pilot Plant (WIPP), the country’s only underground nuclear waste repository, across the state line in New Mexico, and Jeff Bezos’s Blue Origin LLC launch site, outside Van Horn, about 30 miles south of Western United States. The epicenter of major earthquakes.
Letherland of New Mexico Tech said she frequently briefs WIPP officials on seismic activity. A Blue Origin spokesperson said the quakes were far enough away from their location that they were not “a concern”.
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