The catalyst. In March 2025, Congress used the Congressional Review Act to kill the EPA's Waste Emissions Charge — the per-ton fee on excess methane the Inflation Reduction Act created, which was set to hit $1,500/ton before the statutory start date got pushed to 2034. That fee is dead for now. But the regulatory scaffolding it was layered on top of — EPA's NSPS OOOOb/OOOOc rules requiring operators to survey for leaks, repair them on a schedule, and phase out routine flaring at new and modified wells — is still on the books, still being implemented by states, and still driving operators to buy monitoring, vapor-recovery, and leak-detection-and-repair (LDAR) services whether or not a federal invoice ever arrives. Add buyer-side pressure — LNG offtake contracts and EU import rules increasingly demand documented low-methane-intensity gas — and the compliance-services market survives the fee's repeal intact. The money moves toward whoever sells the sensors, vapor-recovery units, and software that prove compliance, not toward whoever collects the tax.
Halliburton vs. SLB: Who Actually Cashes In on Methane Compliance
Washington killed the federal methane fee, but the leak-detection mandate that survives it still routes service dollars unevenly between America's two oilfield giants.

| Ticker | Company | 1-year change |
|---|---|---|
| HAL | Halliburton | +50.3% |
| LNG | Cheniere Energy | +7.3% |
| OXY | Occidental | +13.7% |
The fee is dead. The plumbing it was built to inspect is not — and somebody still has to check it.
Who cashes in.
- SLB SLB — SLB closed its acquisition of ChampionX in mid-2025, folding in vapor recovery units, artificial-lift, and production-chemical assets alongside SLB's own "SEES" (End-to-End Emissions Solutions) methane-monitoring platform. SLB's book is roughly two-thirds international, but its now-broadened North America production-services footprint means it captures both the offshore/international LDAR build-out (Middle East and Latin America gas projects increasingly write methane-intensity clauses into supply contracts) and a bigger slice of the U.S. Permian/Delaware compliance spend than it did before ChampionX.
- Halliburton HAL — Halliburton's Envana Catalyst joint venture with Siguler Guff sells SaaS-based emissions transparency and methane-detection/quantification tools directly to the domestic-completions-heavy customer base HAL already serves. Because HAL's revenue mix skews harder to U.S. land completions than SLB's, it is more exposed to whichever way domestic operators lean — a tailwind if operators keep voluntarily investing in LDAR to protect LNG-linked gas sales, a headwind if federal enforcement stays absent and operators defer discretionary compliance spend.
- Cheniere LNG — as the fee threat recedes, Cheniere's commercial incentive to document low-methane-intensity feedgas for European buyers doesn't; it still pays (indirectly, through supplier contracting) for verified low-leak gas, sustaining demand for the monitoring services above.
Who is exposed. Occidental OXY and other higher-flaring Permian producers face the softest version of this trade now that the fee itself is gone — the repeal removed a real cost overhang, but it also means capital that might have gone to third-party LDAR contracts can get deferred, which is a headwind for the service names above, not for OXY's own P&L.
The play. This isn't a fee story anymore — it's a standing-mandate-plus-buyer-pressure story. Watch EPA's OOOOc state-implementation-plan approvals and any LNG offtake contract that explicitly prices methane intensity; both keep the compliance-services tailwind alive for SLB and HAL long after the WEC's tax collector went quiet.
Source: original report ↗
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