EPA OOOOb Explained: Who It Covers and What It Requires
OOOOb is the EPA methane standard for oil and gas sites built after December 6, 2022. Check which subpart covers yours, with thresholds and current deadlines.
INSIGHTS
The TetraSoft Blog
Regulatory updates, emissions data, and methane science.
Natural Gas BTU: What Wellhead Gas Actually Measures
Pipeline gas runs near 1,020 Btu per cubic foot. Wellhead gas runs higher. Measured heating values across eight states, and which calculations they change.
AERMOD Emission Rates: Where the Numbers Come From
AERMOD takes an emission rate as an input and never calculates it. Where that number comes from, what AP-42 factors assume, and when it matters.
OGMP 2.0 Level 4 and Level 5 Reporting Explained
OGMP 2.0 Level 4 requires source-level measurement. Level 5 adds site-level reconciliation. What each level demands of your emissions data, and why.
RRC GIS Viewer: What the Texas Railroad Commission Maps
The RRC GIS Viewer maps Texas oil and gas in 22 layers, but production, permits, and completions are not among them. What the Railroad Commission map shows.
ODNR Well Locator: All 242,196 Ohio Oil & Gas Wells
Free map of all 242,196 Ohio oil and gas wells, including the plugged and orphan wells the state's own Oil & Gas Well Database leaves out.
Oil Field Map: How to Find Any Named Field's Wells
An oil field is one state agency's label, not a national object. What a field name means in the well records, and how to map one in Texas, Colorado, or Wyoming.
Oklahoma Earthquake Map: 28,000 Events and What Drives Them
Where Oklahoma's earthquakes cluster, how the 2009 surge rose and fell, and what USGS attributes it to. Map every event beside the injection wells.
RRC Wellbore Query: How to Find Any Texas Well Record
How to use the RRC Wellbore Query to find any Texas well by API, operator, or lease, plus why production sits in a separate lease-level query.
UIC Wells: What the Six Classes Mean and Where to Find Them
What a UIC well is, how EPA's six injection well classes differ, why Class II dominates the count, and how to find UIC well records by state.
WOGCC Well Search: Find Any Wyoming Oil or Gas Well
Search any Wyoming oil or gas well by API number, operator, or county, with WOGCC production, status, and gas analysis together on one map. Free trial.
WVDEP Oil and Gas: Which Search Tool Answers Your Question
The WVDEP Office of Oil and Gas runs six separate search tools. Here is which one answers which question about a West Virginia well, and what none of them show.
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