WELL · 42-163-34172 · DISTRICT 1
Derby South H #139H
Frio County · Eagleville (Eagle Ford-1) field · Horizontal
Derby South H #139H (API 42-163-34172) is a horizontal well in Frio County operated by Trinity Operating (Usg) LLC, completed July 24, 2019.
The RRC has issued one drilling permit (amended once), issued February 12, 2019, permitted to 10,000 ft.
Completion filings report 10 formation tops, including Queen City, Olmos, Navarro, Anacacho.
Its 2 leases have reported 208K barrels of oil and 1.05M mcf of gas since July 2019, last reporting in July 2026. The leases carry 4 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), LLCFeb 12, 2019 |
- 10,000
- total depth, ft
- 2
- permits on file
- Feb 12, 2019
- last permit issued
- Jul 24, 2019
- completed
- 208K
- cumulative oil, bbl
- 1.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 24, 2019
- Shut in
- —
- Plugged
- —
Surface location
28.723707, -99.107002
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Frio 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Derby South H G-1-297214 | Eagleville (Eagle Ford-1) | Trinity Operating (Usg), LLC | 1 | 0 | 513K | Jul 2019 – Jul 2026 |
| Derby South H O-1-19960 | Eagleville (Eagle Ford-1) | Trinity Operating (Usg), LLC | 3 | 208K | 534K | Jul 2019 – Jul 2026 |
Gas, mcf lease total
Last 12 months 96,807 · prior 12 89,751(+8%)
Oil, barrels lease total
Last 12 months 12,988 · prior 12 15,491(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Trinity Operating (Usg), LLCAug 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 849880-98 | Drill | Trinity Operating (Usg), LLC | Apr 18, 2019 | Feb 12, 2019 | Apr 29, 2019 | 10,000 |
| 849880-99 | Drill | Trinity Operating (Usg), LLC | Feb 11, 2019 | Feb 12, 2019 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-297214 | — | — | — | — |
| — | — O-1-19960 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 481 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 958 | -477 |
| Olmos | 2,499 | -2,018 |
| Navarro | 3,156 | -2,675 |
| Anacacho | 3,195 | -2,714 |
| Escondido | 3,991 | -3,510 |
| Austin ChalkAUSTIN CHALK - H2S | 4,827 | -4,346 |
| Eagle FordEAGLE FORD - H2S | 5,622 | -5,141 |
| BudaBUDA - H2S | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Pearsall | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,367 | 17,917 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 80 | 30 | 180 S |
| 10.75 | 3,480 | 13.5 | 1,205 S |
| 5.5 | 18,038 | 9.625 | 3,600 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 | Jun 27, 2024 | Apr 25, 2024 | — |
| 00 | Apr 2, 2020 | Dec 5, 2019 | 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 42-163-34172 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-34172 → 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.
Derby South H42-163-34173
0.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Queen City | 958 | -477 |
| Olmos | 2,496 | -2,015 |
| Navarro | 3,149 | -2,668 |
| Anacacho | 3,189 | -2,708 |
| Escondido | 3,979 | -3,498 |
| Austin Chalk | 4,813 | -4,332 |
| Eagle Ford | 5,603 | -5,122 |
| Georgetown | — |
10 TOPS · FIRST 8
Derby South H42-163-34174
0.0 KM · Trinity Operating (Usg), LLC · Section with this well →
| Queen City | 958 | -478 |
| Olmos | 2,496 | -2,016 |
| Navarro | 3,149 | -2,669 |
| Anacacho | 3,189 | -2,709 |
| Escondido | 3,979 | -3,499 |
| Austin Chalk | 4,813 | -4,333 |
| Eagle Ford | 5,603 | -5,123 |
| Pearsall | — |
10 TOPS · FIRST 8
Derby North G42-163-34276
0.8 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 4,134 | -3,644 |
| Olmos | 4,947 | -4,457 |
| San Miguel | 5,709 | -5,219 |
| Anacacho | 6,249 | -5,759 |
| Austin Chalk | 6,621 | -6,131 |
| Eagle Ford | 6,869 | -6,379 |
| Eagle Ford | 7,078 | -6,588 |
| Navarro | — |
10 TOPS · FIRST 8
Derby North G42-163-34277
0.8 KM · Trinity Operating (Usg), LLC · Section with this well →
| Escondido | 4,133 | -3,641 |
| Olmos | 4,936 | -4,444 |
| Anacacho | 6,230 | -5,738 |
| Austin Chalk | 6,610 | -6,118 |
| Eagle Ford | 6,857 | -6,365 |
| Queen City | — | |
| Buda | — | |
| Georgetown | — |
10 TOPS · FIRST 8
Derby South C42-163-34166
2.5 KM · Trinity Operating (Usg), LLC · Section with this well →
| Queen City | 960 | -451 |
| Olmos | 2,489 | -1,980 |
| Navarro | 3,077 | -2,568 |
| Anacacho | 3,117 | -2,608 |
| Escondido | 3,917 | -3,408 |
| Austin Chalk | 4,757 | -4,248 |
| Eagle Ford | 5,573 | -5,064 |
| Georgetown | — |
10 TOPS · FIRST 8
Derby South C42-163-34167
2.5 KM · Trinity Operating (Usg), LLC · Section with this well →
| Queen City | 958 | -450 |
| Olmos | 2,502 | -1,994 |
| Navarro | 3,161 | -2,653 |
| Anacacho | 3,205 | -2,697 |
| Escondido | 4,001 | -3,493 |
| Austin Chalk | 4,838 | -4,330 |
| Eagle Ford | 5,619 | -5,111 |
| Buda | 5,771 | -5,263 |
10 TOPS · FIRST 8
Derby South C42-163-34168
2.5 KM · Trinity Operating (Usg), LLC · Section with this well →
| Queen City | 960 | -452 |
| Olmos | 2,505 | -1,997 |
| Navarro | 3,163 | -2,655 |
| Anacacho | 3,203 | -2,695 |
| Escondido | 3,998 | -3,490 |
| Austin Chalk | 4,842 | -4,334 |
| Eagle Ford | 5,642 | -5,134 |
| Buda | — |
10 TOPS · FIRST 8
Derby West42-163-34367
2.9 KM · EOG Resources, Inc. · Section with this well →
| Carrizo | 737 | -271 |
| Navarro | 3,739 | -3,273 |
| Escondido | 3,844 | -3,378 |
| Olmos | 4,540 | -4,074 |
| Anacacho | 6,019 | -5,553 |
| Austin Chalk | 6,486 | -6,020 |
| Eagle Ford | 6,821 | -6,355 |
| Buda | 6,973 | -6,507 |
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/16334172, documented in the API reference.