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Willacy County, Texas Wells Summary

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Total wells

130
Willacy County

Last 60 days

0
wells drilled

Prior 60 days

2
to compare against

60-day trend

-2
vs prior 60d

Willacy County contains 130 wells on file, with top operators including CITATION OIL & GAS CORP. and RISCO LA SARA OPERATIONS, LLC.

Wells in Willacy span several oil & gas fields including WILLAMAR, WEST and WILDCAT.

Most recent well on record: SAUZ RANCH MULATOS PASTURE, operated by SHOCO PRODUCTION LLC — last updated April 2026.

County FIPS Code: 48489

Active drilling rigs · Baker Hughes snapshot, week of 2026-06-12

261 rigs across the state
0 in this county / area

By basin

  • 164 Permian
  • 44 Eagle Ford
  • 29 Haynesville
  • 22 Other
  • 2 Granite Wash

Drilling for

  • 214 Oil
  • 47 Gas

Willacy 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.
34 wells plotted · 0 active in last 60 days

Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap

Top Operators in Willacy County by total wells

CITATION OIL & GAS CORP.48RISCO LA SARA OPERATIONS, LLC15LA SARA OPERATING COMPANY, LLC10EXXON MOBIL CORPORATION9EOG RESOURCES, INC.9TEXAS OIL AND GAS OPERATING, LLC7FLINT OAK ENERGY, LLC7BLAKENERGY OPERATING, LLC6DEWBRE PETROLEUM CORPORATION5XTO ENERGY INC.5

Operators: Citation Oil & Gas Corp., Risco La Sara Operations, Llc, La Sara Operating Company, Llc, Exxon Mobil Corporation, Eog Resources, Inc., Texas Oil And Gas Operating, Llc, Flint Oak Energy, Llc, Blakenergy Operating, Llc, Dewbre Petroleum Corporation, Xto Energy Inc..

Top Oil & Gas Fields intersecting Willacy County

WILLAMAR, WEST31WILDCAT14WILLAMAR, WEST (MIOCENE 5100)5LA SAL VIEJA (FRIO CONS)5TORDILLA (DEEP CONS.)5WILLAMAR4LA SARA (3830)3TORDILLA (L-43)3LA SARA (NO. 41 SAND)2LA SARA (3850)2

Fields: Willamar, West, Wildcat, Willamar, West (Miocene 5100), La Sal Vieja (Frio Cons), Tordilla (Deep Cons.), Willamar, La Sara (3830), Tordilla (L-43), La Sara (No. 41 Sand), La Sara (3850).

Top Counties in Texas most active by total wells

Compare Willacy against the other busiest counties in Texas:

  • Midland · 11,103 wells
  • Martin · 10,576 wells
  • Andrews · 9,606 wells
  • Reeves · 7,308 wells
  • Ector · 7,180 wells
  • Upton · 6,812 wells
  • Howard · 6,477 wells
  • Karnes · 5,977 wells
  • Glasscock · 5,352 wells
  • Reagan · 5,182 wells
  • Loving · 4,840 wells
  • La Salle · 4,734 wells

Recent wells

Well Name Last activity Updates Operator API
SAUZ RANCH MULATOS PASTURE 2026-04-14 4 SHOCO PRODUCTION LLC 48930824
JOHNSON, ELMER, G. ETAL 2026-02-25 CITATION OIL & GAS CORP. 48930710
WILLAMAR WEST UNIT 2025-10-06 2 CITATION OIL & GAS CORP. 48930006
THOMAS UNIT 2025-06-02 6 DEWBRE PETROLEUM CORPORATION 48931141
WILLAMAR WEST UNIT 2025-05-27 2 CITATION OIL & GAS CORP. 48930723
WILLAMAR WEST UNIT 2025-04-14 2 CITATION OIL & GAS CORP. 48930122
WILLAMAR WEST UNIT 2025-02-26 2 CITATION OIL & GAS CORP. 48930819
WILLAMAR WEST UNIT 2024-10-15 4 CITATION OIL & GAS CORP. 48900302
WILLAMAR EAST UNIT 2024-05-08 CITATION OIL & GAS CORP. 48900329
WILLAMAR EAST UNIT 2024-05-06 2 CITATION OIL & GAS CORP. 48900339

Surface Ownership Records:

Need detailed 2026 surface ownership information for Willacy County that includes the parcel gis? GIS Parcel Data Coverage For Willacy County Texas
Download Willacy County Parcel GIS

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