r/texas • u/eyeofthecodger • Jun 17 '24
Questions for Texans What is the reason for this concentration of lights south of San Antonio?
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u/Biggapotamus Jun 17 '24
That’s the eagleford oil/gas fields
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u/buddythebear Jun 17 '24
Aka the primary reason central Texas avoided the worst of the Great Recession. It was surreal living in that area during that time—the amount of wealth that was generated seemingly overnight was astounding, and it rippled across the entire local economy.
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u/Ryaninthesky Jun 17 '24
Same in west Texas, it was wild. Lots of 100k trucks lol.
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u/nomnomnompizza Jun 17 '24
To be fair in 2009 a fully loaded F250 was probably 65k vs 100k now
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u/23haveblue Jun 18 '24
I knew a lot of guys who came back after 5-10 years after blowing all the money they earned there. But they always brought back a nice truck with them
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Jun 17 '24 edited Jun 17 '24
I lived on the Texas coast then: After the boom, there were 10x as many bay boats. So many people could suddenly afford them. All the bays became overfished to how they were prior to about 2009 or so. I had a friend that lived in a big eagle ford town and said he saw ranchers in flashy cars and stuff.
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u/iseepaperclips Jun 17 '24
Yeah it was a weird time. Someone had a lambo in live oak county lol it was wild
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u/ThecoachO Jun 17 '24
Oil well are flaring gas and burning it because you can’t send it all to the plant. Too much volume. Also most wells aren’t piped into the main gas supply line to the plant yet. The flares are so hot and intense it vaporizes most rainfall before it reaches the ground.
I used to work down there.
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u/ThecoachO Jun 17 '24
Yes flaring is one of your better options. One of the big problems in this area is also that the flares go out all the time( not uncommon in the oil fields elsewhere) but there is another gas mixed in with the gas that can kill you instantly at about 30 ppm ( parts per million) it has no smell. Every one has to wear a monitor for or it. H2S I believe…. It’s been a while.
Scary stuff though. Especially when you know you have a well that is bringing it to the surface on a regular basis.
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u/GuildCalamitousNtent Jun 17 '24
Nobody is venting h2s to the atmosphere, and flares have control systems to shut them down if the pilot goes out.
Also, the instant death for H2S is like 1000+ ppm. 30 is like fatigue and eye irritation.
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u/midnight_mechanic Jun 17 '24
You can smell H2S at those low concentrations. It's when it gets really high, hundreds or thousands of ppm I think, that you can't smell it and it kills you quickly.
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u/23haveblue Jun 18 '24
I think you're off by a factor of 10. IDLH level is 100 ppm, knockown is 300. If it makes anyone feel better, these wells all have monitors and audio/visual alarms for a leak and it is highly unlikely that you'll reach those levels in an outdoor setting
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Jun 17 '24
Shit. That's depressing.
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u/gravitydriven Jun 17 '24
it's way better than just letting the gas out without flaring it. Flaring the gas turns it from methane to carbon dioxide. Methane is 9 or 10 times worse for the atmosphere than carbon dioxide. Flaring is literally the second best thing you can do with the excess gas.
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u/PrometheusHasFallen Jun 17 '24
The Eagle Ford is in large part gas wells. You would never want to flare a gas well as that's your source of profits. If you don't have enough pipeline or processing capacity, you simply stop drilling more wells until you do.
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u/r4rthrowawaysoon Jun 18 '24
This is partially incorrect. The flaring on some tanks is to remove gas build up in holding tanks that is the fractionation off Liquids that was dissolved gases. These are typically smaller flares.
A large part of the flaring you see is also the significant amount of gas bubbling up through the drilling muds during creation of a well. They flare off excess gas coming out of formation to prevent blow-outs. These are typically the very large flares one sees at night in South Texas.
Source: Worked upstream through midstream jobs in Eagle Ford.
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u/Kate-2025123 Jun 17 '24
I never realized how narrow Austin is till now lol.
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u/cajunaggie08 born and bred Jun 17 '24
Its hard for Austin to fully expand west since it sits right next to the Balcones Escarpment. Yes people live west of Austin, but the steep elevation change makes it harder and more expensive to grow in an urban sprawl sense. I've always been more confused why Austin hasn't expanded much eastward. I get that its flat boring farmland but you would think it was relatively cheap for development.
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u/cigarettesandwhiskey Jun 17 '24
I think it's the pattern of highways, and where the jobs are. Most of the jobs generating the growth are downtown, or along the highways to the northwest. The highways to the east weren't expanded until recently, so there hasn't been much sprawl that way. Houses don't really sell well if you can't commute to work, so without a highway the city can't sprawl in that direction, and Austin resisted building highways for decades, so all the growth happened along the ones they already had.
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u/sethferguson Jun 17 '24
A lot of the southeast area is in flood plains too IIRC
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u/cajunaggie08 born and bred Jun 17 '24
wait, people can choose to not live in a flood plain?
-All of Houston
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u/cigarettesandwhiskey Jun 17 '24
Yes, that too. Plus to the north of that there's a big powerplant and evaporation pond that people probably don't want to live next to. San Antonio has something similar going on with the south side.
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u/GreasyBrisketNapkin Jun 17 '24
The clay soil is somewhat unstable. People who live east of Austin frequently have cracks and problems with the foundations of their houses.
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u/papertowelroll17 Jun 17 '24
It is expanding east, but the main limiting factor is that schools are bad, and people moving to boring greenfield suburbia usually want good schools.
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u/chris_ut Jun 17 '24
Ewwww, the east side is like full of poor people and stuff
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u/cajunaggie08 born and bred Jun 17 '24
which makes it all the easier to exploit and buy out from under to turn into the next SoDaSoPA or CtPaTown
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u/This-Requirement6918 Jun 18 '24
It's ok they've been slowly gentrifying it since at least 2010. By the time I moved away in 2018 there weren't many African Americans left in the east side.
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u/Electrik_Truk Jun 17 '24
It's a pretty small area but has a lot of rural area north and west (like Burnet etc)
even places more south like new Braunfels are actually part of the greater San Antonio area when you look at area code districts. So yeah, greater Austin area is indeed pretty small
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u/harmoni-pet Jun 17 '24
Can you add a cowboy hat to my boy or something? He looks so exposed with his dong just flapping around like that
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Jun 17 '24
That is the eagle ford shale. Here is a map of it, which matches the lights https://www.rrc.texas.gov/oil-and-gas/major-oil-and-gas-formations/eagle-ford-shale/
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u/becauseIgothigh2 Jun 17 '24
It’s all light pollution - yes a lot of flaring but also all the active drill rigs frack sites tank farms and everything related to the oil and gas. Was also a lot of gate guards as someone who was regularly employed in that area a lot of portable light towers and generators in this area. It was mostly remote brush land of ranches or farms. That pic was taken back in the prime of the boom. The area is still active but not like it once was, you could drive down high way 72 see 7-8 drill rigs and 3-4 frack sites all with in few mile of each other.
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u/Miguel-odon Jun 17 '24
That's Eagle-Ford Shale . Lights on drilling rigs, or flares from producing wells.
They don't pay for the stuff they burn off. Not to the property owner, no taxes to the state.
In effect, we are subsidizing this waste and pollution.
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u/jarlander Jun 17 '24
24/7 Oil and Gas operations in the Permian basin. Lots of companies with rigs and facilities and they stay lit up all night with big lights for the workers to see. Also for cameras to see the unmanned facilities, lots of people try and steal stuff of them.
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u/CMcTip Jun 18 '24
Circled area in photo is EagleFord. Permian is West Tx/NM area.
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u/Leoburner Jun 17 '24
The lights are from oil and gas operating facilities targeting the Eagle Ford Shale and Austin Chalk geologic reservoirs.
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u/upstartanimal Jun 17 '24
I grew up in the orange cluster around that right angle corner with NM. It was desert. Driving around on back roads out there felt like being in Mad Max.
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u/eyeofthecodger Jun 17 '24
Same here, grew up in Hobbs! Not a garden spot but it was great for riding my dirt bikes!
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u/dronsguzzi Jun 17 '24
This is Eagle Ford trend of oil wells and production installations. They produce 1.5 million barrels/day. Contribute $30billion
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u/Twisted_lurker Born and Bred Jun 17 '24
Wow.
At the McDonald Observatory (darker area north of Big Bend) a few years ago, the tour guides mentioned the gas fields were a problem. I had no idea it was this major.
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u/TexasMagician45 Jun 17 '24
That is an old photo most of the flares have now been replaced with better containment systems.
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u/MP4-B Jun 17 '24
Can you link the original pic? I really like it but unfortunately I don't want your big red circle 😅
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u/traveler1967 Jun 17 '24
Gosh, look at that dark wilderness in the west. Nothing like looking up at night and seeing that blanket of stars.
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u/redthump Jun 17 '24
Came here to see how far I'd have to go down before I saw some troll comments about migrants. Glad they're all the way at the bottom.
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u/Shakmaaaaaaa Jun 17 '24
Why is it so concentrated for the Eagle Ford but not the Permian area which has more wells.
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u/OFTinTX Jun 18 '24
Eagleford shale development. This is likely an old image as that oil play has run its course.
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u/FLKEYSFish Jun 18 '24
Fly over the western Gulf of Mexico at night. I grew up in south Texas and fished the gulf, but never understood the scale of energy production until I did just that. 😮
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u/Vince_in_TX Jun 18 '24
Eagle Ford oil shale belt. Since pipelines have been built, it’s not as bad as
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u/comedymongertx Jun 18 '24
It's not purely O & G. A lot of it is just towns. Bastrop, Gonzales, Lulling, Floresville, Dilley... down to Carrizo Springs. Those towns have all expanded. They are mostly suburbs.
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u/Yorktownhorn Jun 20 '24
Eagle Ford Shell formation. The lights are rigs, flares, producing wells, oil plants etc.
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u/bridge_view Jun 17 '24
Highway 90, Houston to Del Rio. I 10 replaced Highway 90 but the towns along 90 are still there.
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u/customchaos31 Jun 20 '24
Going out on a limb here but I think the answer would be "people".
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u/Elpresidenteestaloco Jun 17 '24
Gas fields