SEI OPERATING, LLC Wells and Activity Summary
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Total wells
Most recent drilling
First on record
Activity status
Industry news recent coverage mentioning Sei Operating Llc
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Apr 16, 2026Higher oil prices are not translating cleanly into a drilling response across U.S. shale, and company disclosures are starting to show why. The issue is not simply capital discipline. It is structural. A meaningful… Read full article on ShaleExperts →
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Apr 15, 2026In the span of fifteen months, three Japanese energy companies committed more than $10.3 billion to U.S. natural gas production assets — a buying spree that has transferred roughly 27% of Haynesville Shale output… Read full article on ShaleExperts →
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Apr 15, 2026The first quarter of 2026 has officially defined the "Barbell Era" of American oil and gas. While the total number of deals plummeted by 46% YoY (dropping to just 7 major transactions), the total deal value skyrocketed… Read full article on ShaleExperts →
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Apr 11, 2026Western Canadian M&A activity in Q1 2026 was characterized by a 87% decrease in total deal value compared to Q1 2025, totaling $0.8 billion C$ . However, transaction volume remained resilient with a 150% increase in… Read full article on ShaleExperts →
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Mar 23, 2026Energy Secretary Chris Wright stood in front of the largest gathering of oil executives in the world this morning and delivered a message that was equal parts market economics and wartime urgency: the price spike is… Read full article on ShaleExperts →
⚑ Same company across states: Sei Operating Llc
Curated alternate names for Sei Operating Llc (from ShaleExperts company records):
- SEI OPERATING LLC, SEI OPERATING, LLC
SEI OPERATING, LLC has 5 wells on file in Texas.
Active in 4 counties — concentrated in Wilson, Dawson, and Martin.
RRC records: Recent drilling permits filed by this operator (EZRRC) · P-5 organization record download
Most recent well: LYSSY-DEERING in the MARCELINA CREEK (AUSTIN CHALK) field (Wilson county) — last updated December 2023.
SEI OPERATING, LLC county coverage
Counties where SEI OPERATING, LLC has wells. Click any county for its local activity.
Recent wells
| Well Name | County | Last activity | Updates | API |
|---|---|---|---|---|
| LYSSY-DEERING | Wilson | 2023-12-20 | 4 | 49332742 |
| BLUE QUAIL | Dawson | 2020-12-16 | 2 | 11532173 |
| LYSSY-DEERING | Wilson | 2018-01-11 | 2 | 49332724 |
| ZUBER, P. GOODWIN | Wood | 2017-07-18 | 2 | 49932167 |
| WOLCOTT, JULIETTE A | Martin | 2017-03-27 | 2 | 31738494 |
Top Oil & Gas Fields worked by SEI OPERATING, LLC by total wells
Fields: Marcelina Creek (Buda), Hawkins, Lakewood & Fulton (Siluro Dev.), Marcelina Creek (Austin Chalk), Spraberry (Trend Area).