Freer · Duval County, Texas
Oil and gas wells in and near ZIP code 78357
- 821wells inside the ZIP
- 1,525within 3 miles of it
- 11drilling locations in two years
- 270square miles of land
The ZIP code and 3 miles around it
Wells and drilling locations in and around 78357
- Drilling locations11Permits issued in the last two years
- Producing wells552On a lease reporting production now
- Not producing409Shut in, inactive or no lease on record
- Plugged564The state's wellbore record says plugged
The solid line is ZIP code 78357 as the US Census Bureau draws it; the dashed line is 3 miles out. The counts are for everything inside the dashed line: 821 of the wells are inside the ZIP itself. Sources: Railroad Commission of Texas well layers and permit files, US Census Bureau ZIP Code Tabulation Areas and county outlines, town points from GeoNames (CC BY 4.0), base map from USGS The National Map.
Use this map on your site
You may show this map on any site, unchanged. Keep the credit line and its link to Royalty Clerk under the map. The picture updates by itself as the state records new wells and permits.
<a href="https://royaltyclerk.com/texas/zip/78357"><img src="https://royaltyclerk.com/maps/zip/78357.svg" alt="Map of ZIP code 78357, Texas, outlined, with 821 oil and gas wells inside it and 1,525 within 3 miles of its edge as dots, and 11 drilling locations permitted in two years." width="1000" height="1012" 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/zip/78357">Oil and gas wells in ZIP code 78357, Texas</a> by Royalty Clerk, from Railroad Commission of Texas records</p>In numbers
Wells in 78357 and within 3 miles
| What | Inside 78357 | Within 3 miles |
|---|---|---|
| Producing wells | 324 | 552 |
| Not producing wells | 239 | 409 |
| Plugged wells | 258 | 564 |
| Drilling permits, last 24 months | 3 | 11 |
| All wells | 821 | 1,525 |
ZIP code 78357 covers 270 square miles of land and 0.2 of water: about 3.0 wells to the square mile.
Drilling locations
The newest drilling permits in and near 78357
| Issued | Lease and well | Where | Operator |
|---|---|---|---|
| 2026-06-29 | CAMPANA DE FE 1vertical · API 42-311-37700 · permit 0916756Columbus Energy, LLC | 0.5 mi outside28.06468, -98.44850 on OpenStreetMap (opens in a new tab) | Columbus Energy, LLC |
| 2026-06-29 | LOPEZ UNIT 1vertical · API 42-131-39702 · permit 0916615Cimarron Engineering, LLC | 0.9 mi outside27.86402, -98.43573 on OpenStreetMap (opens in a new tab) | Cimarron Engineering, LLC |
| 2026-06-26 | MOBIL FEE 5vertical · API 42-131-38234 · permit 0916672Safari Production Company, Inc. | 0.0 mi outside27.75091, -98.60622 on OpenStreetMap (opens in a new tab) | Safari Production Company, Inc. |
| 2026-06-24 | BLACKHAWK 1vertical · API 42-131-39703 · permit 0916616Cimarron Engineering, LLC | 1.8 mi outside27.84492, -98.50553 on OpenStreetMap (opens in a new tab) | Cimarron Engineering, LLC |
| 2026-04-20 | MARTIN-STATE 1vertical · API 42-311-34475 · permit 0914678Columbus Energy, LLC | 0.3 mi outside28.06275, -98.46425 on OpenStreetMap (opens in a new tab) | Columbus Energy, LLC |
| 2025-12-31 | CONQUISTADOR 1vertical · API 42-131-39697 · permit 0912491Magnetar Operating LLC | 1.7 mi outside27.80407, -98.49135 on OpenStreetMap (opens in a new tab) | Magnetar Operating LLC |
| 2025-11-17 | HALH, C.W., ETAL 2 Dvertical · API 42-131-39696 · permit 0911734Aurora Resources Corporation | in 7835727.92839, -98.60926 on OpenStreetMap (opens in a new tab) | Aurora Resources Corporation |
| 2025-10-20 | MOBIL FEE 5vertical · API 42-131-38234 · permit 0911149Safari Production Company, Inc. | 0.0 mi outside27.75091, -98.60622 on OpenStreetMap (opens in a new tab) | Safari Production Company, Inc. |
| 2025-07-30 | WHITE, P. E. -B- 148vertical · API 42-131-39523 · permit 0909552Killam Oil Co., Ltd. | in 7835727.84400, -98.67289 on OpenStreetMap (opens in a new tab) | Killam Oil Co., Ltd. |
| 2025-07-07 | ORTIZ 1vertical · API 42-131-39328 · permit 0903419South Texas Disposal Srvs, LLC | in 7835727.91945, -98.61993 on OpenStreetMap (opens in a new tab) | South Texas Disposal Srvs, LLC |
| 2025-02-04 | LIMA TANGO CCS 1vertical · API 42-311-37581 · permit 0905619BKV Dcarbon Ventures, LLC | 2.3 mi outside28.05820, -98.76600 on OpenStreetMap (opens in a new tab) | BKV Dcarbon Ventures, LLC |
| 2024-07-26 | FOSTER HEIRS 'B' 5vertical · API 42-131-39694 · permit 0901493Aurora Resources Corporation | in 7835728.00169, -98.60754 on OpenStreetMap (opens in a new tab) | Aurora Resources Corporation |
| 2024-05-31 | NIC SALINAS 1vertical · API 42-131-39690 · permit 0899951Paleo Oil Company LLC | 2.3 mi outside27.83480, -98.42524 on OpenStreetMap (opens in a new tab) | Paleo Oil Company LLC |
| 2024-01-09 | DCR 51 1vertical · API 42-131-39688 · permit 0896396Killam Oil Co., Ltd. | 1.0 mi outside27.81192, -98.72289 on OpenStreetMap (opens in a new tab) | Killam Oil Co., Ltd. |
| 2023-12-14 | MLV 3 3vertical · API 42-131-39687 · permit 0895281Pecan Pipeline Company | in 7835727.94493, -98.61734 on OpenStreetMap (opens in a new tab) | Pecan Pipeline Company |
A permit is permission to drill, not a well. Source: Railroad Commission of Texas drilling permits. This week's permits, statewide
Nearest wells
The wells nearest the middle of 78357
- 1Hahl, C. W., Sec. 67 50.8 mi SNot producing · API 42-131-31241 · Hilcorp Energy Company · inside 78357
- 2Hahl, C. W. -C- 31.0 mi SWPlugged · API 42-131-02893 · Newman Operating Company · inside 78357
- 3Hahl, C. W. -C- 21.1 mi SWPlugged · API 42-131-02892 · Newman Operating Company · inside 78357
- 4Hahl, C. W., Sec. 67 50AR1.2 mi SENot producing · API 42-131-38805 · Hilcorp Energy Company · inside 78357
- 5Hahl, C. W. -C- 11.2 mi SWPlugged · API 42-131-02891 · Newman Operating Company · inside 78357
- 6Herbst, F. W. 8A1.2 mi SENot producing · API 42-131-38836 · Hilcorp Energy Company · inside 78357
Who runs them
Operators of the wells in 78357
- 1Hilcorp Energy Company234 wells113 on producing leases
- 2Killam Oil Co., Ltd.124 wells98 on producing leases
- 3Black Gold Operating Co, LLC63 wells45 on producing leases
- 4Aurora Resources Corporation39 wells3 on producing leases
- 53D Oil Company, LLC36 wells36 on producing leases
- 6Block "T" Petroleum, Inc.29 wells19 on producing leases
- 7Remora Operating, LLC29 wells5 on producing leases
- 8HBC Oil Company, LLC25 wells1 on producing leases
Around it
Towns and ZIP codes around 78357
FAQ
Questions people ask
Are there oil or gas wells near 78357?
Yes. 821 oil and gas wells with a location on the state's map lie inside ZIP code 78357, 324 of them on producing leases, and 1,525 within 3 miles of its edge. The state issued 11 drilling permits with a well location within 3 miles in the last 24 months, the newest on June 29, 2026.
Is this the same area as the Postal Service's ZIP code?
Nearly. The Postal Service does not publish ZIP code boundaries, so we use the US Census Bureau's ZIP Code Tabulation Area for 78357, built from census blocks where most addresses use that ZIP. The edges can differ from mail delivery by a street or two, and a few ZIP codes (post office boxes, single buildings) have no area of their own.
Do I own minerals under a well in 78357?
A well nearby says nothing about who owns the minerals under it. The county's mineral roll lists who is paid on each producing lease. Search a name to see whether the Duval County roll lists it.
Where do the numbers come from?
Every dot is a well location from the Railroad Commission of Texas well layers, or a drilling permit's surface location from its permit files, issued in the last 24 months. A well counts as producing when its lease reported oil or gas in its newest months, and as plugged when the state's wellbore record says so. Nothing on this page comes from owners or from addresses.
Own land or minerals near 78357?
See whether a county roll lists your name, and get an email when a permit or a new well is filed near you.
Sources
- US Census Bureau, 2020 ZIP Code Tabulation Areas, cartographic boundary file at 1:500,000 (cb_2020_us_zcta520_500k)www2.census.gov/geo/tiger/GENZ2020/shp/cb_2020_us_zcta520_500k.zip · file of May 19, 2023, read November 14, 2026
- Railroad Commission of Texas, well layers and drilling permit fileswww.rrc.texas.gov/resource-center/research/data-sets-available-for-download/ · loaded as the state publishes them; figures kept six hours
- US Census Bureau, cartographic boundary files (county lines), through the us-atlas package 3.0.1www.census.gov/geographies/mapping-files/time-series/geo/cartographic-boundary.html · built into the site with its well maps
- GeoNames, towns and their points (CC BY 4.0)www.geonames.org/ · built into the site with its town pages
- USGS The National Map, basemap services (topo and imagery map under the wells), public domainapps.nationalmap.gov/services/ · tiles drawn under the map when it is made