McMullen County, Texas Wells Summary
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Total wells
Last 60 days
Prior 60 days
60-day trend
McMullen County contains 2,940 wells on file, with top operators including EOG RESOURCES, INC. and CHESAPEAKE OPERATING, INC..
Wells in McMullen span several oil & gas fields including EAGLEVILLE (EAGLE FORD-1) and HAWKVILLE (EAGLEFORD SHALE).
Most recent well on record: DK UNIT D, operated by CRESCENT ENERGY OPERATING, LLC — last updated August 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-08-21
By basin
- 176 Permian
- 50 Eagle Ford
- 32 Haynesville
- 22 Other
- 1 Barnett
Drilling for
- 227 Oil
- 54 Gas
McMullen County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
1,357 wells plotted ·
12 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in McMullen County by total wells
Operators: Eog Resources, Inc., Chesapeake Operating, Inc., Chesapeake Operating, L.l.c., Murphy Expl. & Prod. Co. - Usa, Bpx Operating Company, Swift Energy Operating, Llc, Bhp Billiton Pet(Txla Op) Co, Comstock Oil & Gas, Lp, Talisman Energy Usa Inc., Petrohawk Operating Company.
Top Oil & Gas Fields intersecting McMullen County
Fields: Eagleville (Eagle Ford-1), Hawkville (Eagleford Shale), A.w.p. (Olmos), Wildcat, San Miguel Creek (Wilcox Cons.), Sugarkane (Eagle Ford), Eagleville (Eagle Ford), Baker (2500), Ezzell, Campana, South.
Top Counties in Texas most active by total wells
Compare McMullen against the other busiest counties in Texas:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| DK UNIT D | 2026-08-19 | CRESCENT ENERGY OPERATING, LLC | 31137646 | |
| STS C | 2026-08-19 | 4 | BPX OPERATING COMPANY | 31137610 |
| DK UNIT C | 2026-08-19 | CRESCENT ENERGY OPERATING, LLC | 31137645 | |
| DK UNIT | 2026-08-19 | CRESCENT ENERGY OPERATING, LLC | 31137644 | |
| DK UNIT | 2026-08-19 | CRESCENT ENERGY OPERATING, LLC | 31137643 | |
| STS C | 2026-08-19 | 4 | BPX OPERATING COMPANY | 31137609 |
| STS C | 2026-08-19 | 4 | BPX OPERATING COMPANY | 31137612 |
| QUINTANILLA HC1 | 2026-08-18 | 2 | INEOS USA OIL & GAS LLC | 31137650 |
| ARMISTICE A | 2026-08-17 | 3 | VERDUN OIL & GAS LLC | 31137592 |
| ARMISTICE B | 2026-08-17 | 3 | VERDUN OIL & GAS LLC | 31137593 |
Texas RRC data downloads
Surface Ownership Records:
