CASTLEROCK EF OPERATING LLC Wells and Activity Summary
Back to Texas Well Records
Total wells
Last 60 days
Prior 60 days
60-day trend
Industry news recent coverage mentioning CASTLEROCK EF OPERATING LLC
-
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 →
-
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 →
-
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 →
-
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 →
-
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 →
CASTLEROCK EF OPERATING LLC has 21 wells on file in Texas.
Active in McMullen and La Salle.
RRC records: Recent drilling permits filed by this operator (EZRRC) · P-5 organization record download
Most recent well: Y BAR MCM in the EAGLEVILLE (EAGLE FORD-1) field (McMullen county) — last updated July 2026.
CASTLEROCK EF OPERATING LLC county coverage
Counties where CASTLEROCK EF OPERATING LLC has wells. Click any county for its local activity.
Recent wells
| Well Name | County | Last activity | Updates | API |
|---|---|---|---|---|
| Y BAR MCM | McMullen | 2026-07-24 | 2 | 31135428 |
| Y-BAR | La Salle | 2025-04-16 | 4 | 28337640 |
| Y-BAR A | McMullen | 2025-03-10 | 2 | 31137494 |
| Y-BAR | McMullen | 2025-02-07 | 2 | 31137499 |
| Y-BAR 160H UNIT | McMullen | 2025-01-31 | 2 | 31137500 |
| Y-BAR 170H UNIT | McMullen | 2025-01-30 | 2 | 31137493 |
| Y-BAR | La Salle | 2024-12-16 | 2 | 28337637 |
| Y-BAR | La Salle | 2024-12-11 | 2 | 28337639 |
| Y-BAR | La Salle | 2024-12-11 | 2 | 28337638 |
| CRX YBAR E | McMullen | 2024-04-02 | 2 | 31137413 |
Top Oil & Gas Fields worked by CASTLEROCK EF OPERATING LLC by total wells
Fields: Eagleville (Eagle Ford-1).