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Texas county · RRC district 01

Zavala County, Texas oil and gas

  • 6,338,969bbl oil in the last 12 months
  • 319producing leases
  • 939wells on the map
  • 36drilling locations in two years

Oil wells and drilling locations in Zavala County

Map of Zavala County, Texas, with 939 oil and gas wells and 36 recent drilling locations as dots.
  • Drilling locations36Permits issued in the last two years
  • Producing wells662On a lease reporting production now
  • Not producing138Shut in, inactive or no lease on record
  • Plugged139The state's wellbore record says plugged

Sources: Railroad Commission of Texas well layers and permit files, US Census Bureau county outline, town points from GeoNames (CC BY 4.0), base map from USGS The National Map. A dot is a surface location; a horizontal well runs a mile or more from it.

See the whole Texas well map

939 wells with a location on the state's map (662 producing, 138 not producing, 139 plugged) and 36 drilling locations permitted in the last 24 months, each where the Railroad Commission puts it.

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<a href="https://royaltyclerk.com/texas/counties/zavala-county-tx"><img src="https://royaltyclerk.com/maps/county-wells/zavala-county-tx.svg" alt="Map of Zavala County, Texas, with 939 oil and gas wells and 36 recent drilling locations as dots." width="1000" height="1011" loading="lazy" style="max-width:100%;height:auto;border:0"></a>
<p style="margin:4px 0 0;font-size:14px">Map: <a href="https://royaltyclerk.com/texas/counties/zavala-county-tx">Zavala County, Texas oil and gas wells</a> by Royalty Clerk, from Railroad Commission of Texas records</p>

Wells near a town: Batesville · Crystal City · La Pryor · Newest drilling permits in Zavala County · Wells by ZIP code

Zavala County is one of the 27 counties of the Eagle Ford Shale

Zavala County reported 6.3 million barrels of oil and 11 million mcf of gas in the last 12 months. That ranks 35th of 225 Texas counties by oil.

County dossier

6,338,969bbl oil, last 12 months−29% vs prior year

August 2026 is still coming in. About 89% of Texas leases have reported it so far, so this page counts through July 2026 until it is fully reported.

Producing leases
319of 452 on record
Operators
37
Fields
37

Own minerals in Zavala County?

Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County · RRC district 01
Gas, last 12 months
11,142,839 mcf
Share of Texas oil
0.3%
Wells on record
941on leases with production reports
Data through
Jul 2026

Five years of output in Zavala County

Oil output in Zavala County fell 29% over the last 12 months

6.3M bbl through Jul 2026, against 9M bbl a year earlier. Peak Aug 2024: 896k bbl.

Oil output in Zavala County fell 29% over the last 12 months6.3M bbl through Jul 2026, against 9M bbl a year earlier. Peak Aug 2024: 896k bbl.Oil, bbl per month0250k500k750k1MPeak 896k (Aug 24)497k20222023202420252026
Oil output in Zavala County fell 29% over the last 12 months6.3M bbl through Jul 2026, against 9M bbl a year earlier. Peak Aug 2024: 896k bbl.Oil, bbl per month0250k500k750k1MPeak 896k (Aug 24)497k'22'23'24'25'26

Gas output in Zavala County fell 22% over the last 12 months

11M mcf through Jul 2026, against 14M mcf a year earlier. Peak Oct 2024: 1.4M mcf.

Gas output in Zavala County fell 22% over the last 12 months11M mcf through Jul 2026, against 14M mcf a year earlier. Peak Oct 2024: 1.4M mcf.Gas, mcf per month0500k1M1.5MPeak 1.4M (Oct 24)835k20222023202420252026
Gas output in Zavala County fell 22% over the last 12 months11M mcf through Jul 2026, against 14M mcf a year earlier. Peak Oct 2024: 1.4M mcf.Gas, mcf per month0500k1M1.5MPeak 1.4M (Oct 24)835k'22'23'24'25'26

SourceTexas Railroad Commission Production Data Query, county totals, through Jul 2026, file dated Oct 20, 2026.

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Source: Royalty Clerk analysis of Texas Railroad Commission filings, https://royaltyclerk.com/texas/counties/zavala-county-tx, data to July 2026.

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<p style="margin:4px 0 0;font-size:14px">Source: <a href="https://royaltyclerk.com/texas/counties/zavala-county-tx" target="_blank">Royalty Clerk</a></p>
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Zavala County oil and gas production by year, 1993 to 2025

Every full year we hold, 1993 to 2025. The highest year for oil since 1993 was 2015, at 10,208,998 bbl. The highest year for gas was 2024, at 14,449,751 mcf.

Zavala County, Texas: oil and gas produced each year, 1993 to 2025
YearOilbblGasmcf
20257,646,85712,794,081
20249,236,65114,449,751
20239,044,6619,986,312
20227,529,3817,729,763
20217,196,7688,460,993
20206,858,5956,468,437
20197,196,6678,656,486
20186,151,8986,541,274
20176,553,4817,070,402
20168,155,9406,781,316
201510,208,9986,527,486
20146,947,0414,893,344
20135,218,5843,836,395
20123,205,6901,956,785
2011852,113957,685
2010421,205927,949
2009419,423944,745
2008600,1811,506,074
2007968,7561,812,095
2006772,9251,318,451
2005859,9671,396,153
2004566,9961,586,196
2003346,0321,837,641
2002301,0192,063,829
2001378,7172,451,042
2000493,7832,362,685
1999471,0453,253,722
1998388,6613,653,065
1997525,0134,532,068
1996695,5894,913,040
1995940,8704,640,907
19941,510,9566,706,174
19932,715,9568,501,486

SourceTexas Railroad Commission production records, added up by county and calendar year. Oil includes condensate; gas includes casinghead gas. The year in progress is left out until it is complete.

The biggest leases in Zavala County

Under each volume: change on the year before.

Showing 25 of 150 (the 150 largest of 319), ranked by output value.

SourceTexas Railroad Commission Production Data Query.

Who runs the leases, and what they produce

Recent drilling permits in Zavala County