Greenhouse Gases and CO2e: One Tonne, Three Answers
Which greenhouse gases oil and gas emits, and why the same tonne of methane becomes three different CO2e numbers depending on which published basis you use.
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The TetraSoft Blog
Regulatory updates, emissions data, and methane science.
Natural Gas Liquids: What NGLs Are and How to Measure Them
Natural gas liquids are the ethane through hexanes carried in wellhead gas. What NGLs are, how GPM is measured, and what 8,882 well analyses show.
Oil and Gas Methane Carbon Credits: What Sets the Volume
Oil and gas carbon credits come from plugging wells and repairing leaks. The baseline leak rate, the crediting period and the GWP basis set the volume.
OOOOb Compliance Software: What to Track and How to Choose
OOOOb sets six survey frequencies and two repair clocks by site type, and the rule is under reconsideration. Here is what to track and how to evaluate tools.
Well Log Lookup: Find Logs for Any US Oil or Gas Well
Well logs are public records, but each state keeps its own. Where the log repositories live, why the API number is the key, and how to run the lookup.
Continuous Emission Monitoring Systems: When CEMS Apply
A CEMS is a certification regime, not a sensor. Which oil and gas equipment needs one, what changed for turbines in 2026, and the quarterly cost.
New Mexico Ozone Season O&G Rules: NMED Requirements
NMED 20.2.82 NMAC requires heightened LDAR surveys and equipment controls for New Mexico oil and gas facilities during the May through October ozone season.
Saltwater Disposal Wells: How Many, and Where to Find Them
How many saltwater disposal wells seven states report, why the disposal and enhanced recovery split is not comparable between them, and where the records live.
EPA NSPS OOOOb Explained: Who It Covers and What It Requires
NSPS OOOOb is EPA's methane standard for oil and gas sites built after December 6, 2022. Which subpart covers yours, the thresholds, and the current deadlines.
SPCC Plan Requirements: Do You Need One, and Which Tier?
SPCC applies above 1,320 gallons of aboveground oil storage. The capacity and discharge tests that decide whether you can self-certify or need an engineer.
Air Quality Permit Types: Title V, PSD, and Their Thresholds
Which air permit applies depends on your potential to emit. The Title V and PSD thresholds, the oil and gas aggregation rules, and where the numbers come from.
Colorado Well Permit Search: Where ECMC Keeps the Records
Colorado calls two unrelated records a well permit. Which agency holds yours, why the oil and gas search covers only 12 months, and where older permits sit.
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