WELL · 42-165-38780 · DISTRICT 8
Petersen #4H
Gaines County · Tex-Mex SE. (Wichita Albany) field · Producing · Horizontal
Petersen #4H (API 42-165-38780) is a horizontal well in Gaines County operated by Sozo Natural Resources LLC, completed July 10, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 23, 2019, permitted to 12,000 ft.
It was permitted by Rgx Energy LLC and has since transferred to Sozo Natural Resources LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, San Andres.
Its lease has reported 248K barrels of oil and 141K mcf of gas since July 2018, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by RGX Energy LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 2 permits on file · (432) 438-3872
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sozo Natural Resources LLC |
| Production reports | Sozo Natural Resources LLCthrough Apr 2026 |
| Latest permit | RGX Energy LLCMay 23, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- May 23, 2019
- last permit issued
- Jul 10, 2021
- completed
- 248K
- cumulative oil, bbl
- 141K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 10, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.553712, -102.937756
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Gaines County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Petersen O-11-70778 | Tex-Mex, SE. (Wichita Albany) | Sozo Natural Resources LLC | 3 | 248K | 141K | Jul 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,053 · prior 12 23,397(-44%)
Gas, mcf lease total
Last 12 months 471 · prior 12 16,753(-97%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1RGX Energy LLCJul 2018 → Oct 2019
- 2OXY USA Inc.Feb 2021 → Feb 2021
- 3Sozo Natural Resources LLCMar 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 853169-99 | Drill | RGX Energy LLC | May 15, 2019 | May 23, 2019 | Jul 20, 2019 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-70778 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,422 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| YatesYATES - OVERPRESSURE, INERT GAS | 2,992 | 430 |
| Seven Rivers | 3,151 | 271 |
| Queen | 3,754 | -332 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD | 4,372 | -950 |
| Glorieta | 5,682 | -2,260 |
| Clear ForkCLEARFORK | 6,227 | -2,805 |
| Wichita-AlbanyWICHITA ALBANY | 7,329 | -3,907 |
| Leonard | — | — |
| San Angelo | — | — |
| Spraberry | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,474 | 11,418 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,716 | 17.5 | 1,551 S |
| 9.625 | 5,995 | 12.25 | 2,149 S |
| 5.5 | 11,611 | 8.75 | 1,646 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 18, 2021 | Aug 1, 2021 | Yes |
| 00 | Mar 20, 2020 | Feb 24, 2020 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-165-38780 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-165-38780 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Genesis42-165-38854
0.0 KM · Sozo Natural Resources LLC · Section with this well →
| Rustler | 1,747 | 1,675 |
| Yates | 2,933 | 489 |
| Seven Rivers | 3,178 | 244 |
| Queen | 3,759 | -337 |
| Grayburg | 4,111 | -689 |
| San Andres | 4,403 | -981 |
| San Andres | 4,403 | -981 |
| Glorieta | 5,766 | -2,344 |
11 TOPS · FIRST 8
Petersen42-165-38641
1.6 KM · RGX Energy LLC · Section with this well →
| Rustler | 1,748 | 1,678 |
| Yates | 2,960 | 466 |
| Seven Rivers | 3,200 | 226 |
| Queen | 3,794 | -368 |
| Grayburg | 4,160 | -734 |
| San Andres | 4,402 | -976 |
| Glorieta | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
Petersen42-165-38642
1.6 KM · RGX Energy LLC · Section with this well →
| Yates | 2,959 | 467 |
| Seven Rivers | 3,199 | 227 |
| Queen | 3,793 | -367 |
| Grayburg | 4,159 | -733 |
| San Andres | 4,401 | -975 |
| Glorieta | 5,713 | -2,287 |
| Clear Fork | 6,230 | -2,804 |
| San Angelo | — |
10 TOPS · FIRST 8
Bailey B42-165-37393
3.1 KM · Sandridge Expl. and Prod., LLC · Section with this well →
| Queen | 3,675 | -106 |
| San Andres | 4,333 | -764 |
| Clear Fork | 6,464 | -2,895 |
| Wichita-Albany | 7,191 | -3,622 |
Bailey B42-165-37212
4.0 KM · Sandridge Expl. and Prod., LLC · Section with this well →
| Queen | 3,679 | -207 |
| Tubb | 6,612 | -3,140 |
| Clear Fork | 6,762 | -3,290 |
| Wichita-Albany | 7,204 | -3,732 |
Triple M42-165-38778
4.1 KM · Elk Meadows Resources LLC · Section with this well →
| Yates | 2,964 | 434 |
| Seven Rivers | 3,386 | 12 |
| Leonard | — | |
| Wichita-Albany | — | |
| Spraberry | — | |
| San Angelo | — | |
| San Andres | — | |
| Clear Fork | — |
10 TOPS · FIRST 8
Bailey42-165-36382
4.1 KM · Forest Oil Corporation · Section with this well →
| Rustler | 1,646 | 1,815 |
| Yates | 2,833 | 628 |
| Seven Rivers | 3,082 | 379 |
| Queen | 3,686 | -225 |
| San Adnres | 4,337 | -876 |
| San Andres | 4,337 | -876 |
| Clear Fork | 6,076 | -2,615 |
| Clear Fork | 6,076 | -2,615 |
12 TOPS · FIRST 8
Anzio 342-165-38570
4.2 KM · McClure Oil Company, Inc. · Section with this well →
| Yates | 3,017 | 422 |
| Seven Rivers | 3,274 | 165 |
| Queen | 3,917 | -478 |
| San Andres | 4,565 | -1,126 |
| Glorieta | 5,950 | -2,511 |
| Clear Fork | 6,398 | -2,959 |
| San Angelo | — | |
| Spraberry | — |
10 TOPS · FIRST 8
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/16538780, documented in the API reference.