Southern Permian Oil Jumped 14% in 2024: Emissions Impact
Southern Permian oil (RRC District 7C) jumped 14% to 186M barrels in 2024. Compliance and ops implications for associated gas and methane intensity.
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The TetraSoft Blog
Regulatory updates, emissions data, and methane science.
EPA OOOOb/c Status Is Uncertain: How Operators Should Plan
EPA OOOOa is in effect and the IRA methane charge is rescinded. OOOOb/c faces repeal. Here is the current status of each rule and how operators should plan.
Colorado Reg 7 GHG Intensity: How the Verification Factor Works
How Colorado's Reg 7 Part B Section VIII GHG intensity program works, the 1.164 CDPHE verification factor, and what operators need to know.
How to Get a Colorado Operator-Specific Verification Factor
How Colorado operators replace the state default verification factor with an operator-specific one under Reg 7 Part B Section VIII, and when it pays off.
What Colorado's 1.164 Verification Factor Costs Operators
Dollar estimates of the CDPHE State Default Intensity Verification Factor's cost to Colorado upstream operators, with fee and sensitivity analysis.
Why Satellites Show About 2x More Methane Than Inventories
TROPOMI satellite data shows US oil and gas methane roughly double what facility inventories report. What drives the gap and why it matters.
Colorado ONGAEIR Due June 30: A Practical Filing Checklist
Colorado ONGAEIR report for CY2025 is due June 30, 2026. Which facilities must report, required source categories, and a pre-submission checklist for operators.
GHGRP Subpart W Reporting in 2026: What Is Still Required
GHGRP Subpart W reporting remains mandatory in 2026. The RY2025 deadline moved to October 30, 2026. Here is what changed, what did not, and what to file.
GHGRP Subpart W Deadline Moved to October 2026
EPA moved the RY2025 GHGRP filing deadline to October 30, 2026, while a separate proposal to suspend Subpart W reporting through 2034 remains pending.
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