WELL · 42-507-33477 · DISTRICT 1
Cenizo A #128H
Zavala County · Briscoe Ranch (Eagleford) field · Horizontal
Cenizo A #128H (API 42-507-33477) is a horizontal well in Zavala County operated by Trinity Operating (Usg) LLC, completed September 23, 2023.
The RRC has issued one drilling permit (amended once), issued September 2, 2022, permitted to 8,000 ft.
Completion filings report 7 formation tops, including Midway, Escondido, Olmos, San Miguel.
Its 2 leases have reported 553K barrels of oil and 3.79M mcf of gas since June 2020, last reporting in July 2026. The leases carry 19 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Nov 4, 2025 · 392 permits on file · (888) 510-9581
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinity Operating (Usg) LLC |
| Production reports | Trinity Operating (Usg), LLCthrough Apr 2026 |
| Latest permit | Trinity Operating (Usg), LLCSep 2, 2022 |
- 8,000
- total depth, ft
- 2
- permits on file
- Sep 2, 2022
- last permit issued
- Sep 23, 2023
- completed
- 553K
- cumulative oil, bbl
- 3.79M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 23, 2023
- Shut in
- —
- Plugged
- —
Surface location
28.647670, -99.432936
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Zavala County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cenizo A G-1-299931 | Briscoe Ranch (Eagleford) | Trinity Operating (Usg), LLC | 1 | 0 | 676K | Sep 2023 – Jul 2026 |
| Cenizo A O-1-20302 | Briscoe Ranch (Eagleford) | Trinity Operating (Usg), LLC | 18 | 553K | 3.11M | Jun 2020 – Jul 2026 |
Gas, mcf lease total
Last 12 months 994,672 · prior 12 1,438,535(-31%)
Oil, barrels lease total
Last 12 months 70,171 · prior 12 137,999(-49%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Trinity Operating (Usg), LLCApr 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 883438-98 | Drill | Trinity Operating (Usg), LLC | Apr 11, 2023 | Sep 2, 2022 | Apr 27, 2023 | 8,000 |
| 883438-99 | Drill | Trinity Operating (Usg), LLC | Aug 26, 2022 | Sep 2, 2022 | Apr 28, 2023 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-299931 | — | — | — | — |
| — | — O-1-20302 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 618 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 3,266 | -2,648 |
| Escondido | 3,661 | -3,043 |
| Olmos | 4,730 | -4,112 |
| San Miguel | 5,785 | -5,167 |
| Anacacho | 6,174 | -5,556 |
| Austin ChalkAUSTIN | 6,525 | -5,907 |
| Eagle FordUPPER EAGLE FORD | 7,031 | -6,413 |
| Eagle FordLOWER EAGLE FORD | 7,150 | -6,532 |
| EscondidoESCONDIDO - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,573 | 16,862 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,358 | 12.25 | 851 S |
| 5.5 | 16,883 | 8.75 | 2,682 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 | Sep 16, 2025 | Aug 15, 2025 | Yes |
| 00 | Dec 8, 2023 | Nov 2, 2023 | 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 42-507-33477 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33477 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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.
Cenizo A42-507-33478
0.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 3,662 | -3,043 |
| Olmos | 4,751 | -4,132 |
| San Miguel | 5,774 | -5,155 |
| Anacacho | 6,169 | -5,550 |
| Austin Chalk | 6,525 | -5,906 |
| Eagle Ford | 7,034 | -6,415 |
| Eagle Ford | 7,155 | -6,536 |
Cenizo A42-507-33499
2.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 3,606 | -3,011 |
| Olmos | 4,675 | -4,080 |
| San Miguel | 5,701 | -5,106 |
| Anacacho | 6,085 | -5,490 |
| Austin Chalk | 6,442 | -5,847 |
| Eagle Ford | 6,949 | -6,354 |
| Eagle Ford | 7,072 | -6,477 |
| Escondido | — |
Cenizo A42-507-33498
2.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 3,618 | -3,022 |
| Olmos | 4,689 | -4,093 |
| San Miguel | 5,717 | -5,121 |
| Escondido | — |
Cenizo A42-507-33497
2.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 3,618 | -3,022 |
| Olmos | 4,690 | -4,094 |
| San Miguel | 5,717 | -5,121 |
| Anacacho | 6,095 | -5,499 |
| Austin Chalk | 6,460 | -5,864 |
| Eagle Ford | 6,960 | -6,364 |
| Eagle Ford | 7,082 | -6,486 |
| Escondido | — |
Myrta42-127-35947
2.2 KM · U.S. Enercorp, Ltd. · Section with this well →
| Escondido | 3,600 | -3,017 |
| Olmos | 4,790 | -4,207 |
| San Miguel | 5,550 | -4,967 |
| Austin Chalk | 6,560 | -5,977 |
| Eagle Ford | 7,211 | -6,628 |
| Georgetown | 7,320 | -6,737 |
| Pearsall | — | |
| Edwards | — |
9 TOPS · FIRST 8
Cenizo A42-507-33416
3.3 KM · Trinity Operating (Usg), LLC · Section with this well →
| Midway | 3,189 | -2,591 |
| Escondido | 3,647 | -3,049 |
| Olmos | 4,712 | -4,114 |
| Sam Miguel | 5,751 | -5,153 |
| San Miguel | 5,751 | -5,153 |
| Anacacho | 6,143 | -5,545 |
| Austin Chalk | 6,507 | -5,909 |
| Eagle Ford | 7,010 | -6,412 |
9 TOPS · FIRST 8
Cenizo A42-507-33417
3.3 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 3,669 | -3,072 |
| Olmos | 4,744 | -4,147 |
| Anacacho | 6,158 | -5,561 |
| Austin Chalk | 6,532 | -5,935 |
| Eagle Ford | 7,027 | -6,430 |
| Eagle Ford | 7,144 | -6,547 |
Cenizo A42-507-33418
3.3 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 3,640 | -3,021 |
| Olmos | 4,749 | -4,130 |
| San Miguel | 5,787 | -5,168 |
| Anacacho | 6,187 | -5,568 |
| Austin Chalk | 6,543 | -5,924 |
| Eagle Ford | 7,045 | -6,426 |
| Eagle Ford | 7,163 | -6,544 |
| Escondido | — |
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/50733477, documented in the API reference.