WELL · 42-163-34168 · DISTRICT 1

Derby South C #112H

N

Frio County · Eagleville (Eagle Ford-1) field  · Horizontal

Derby South C #112H (API 42-163-34168) is a horizontal well in Frio County operated by Trinity Operating (Usg) LLC, completed August 7, 2019.

The RRC has issued one drilling permit, 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 253K barrels of oil and 1.4M 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

Trinity Operating (Usg) LLC

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 scheduleTrinity Operating (Usg) LLC
Production reportsTrinity Operating (Usg), LLCthrough Apr 2026
Latest permitTrinity Operating (Usg), LLCFeb 12, 2019
10,000
total depth, ft
1
permits on file
Feb 12, 2019
last permit issued
Aug 7, 2019
completed
253K
cumulative oil, bbl
1.4M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 7, 2019
Shut in
—
Plugged
—

Surface location

28.742466, -99.092215

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Derby South C G-1-297250Eagleville (Eagle Ford-1)Trinity Operating (Usg), LLC10656KJul 2019 – Jul 2026
Derby South C O-1-19955Eagleville (Eagle Ford-1)Trinity Operating (Usg), LLC3253K743KJul 2019 – Jul 2026

Gas, mcf lease total

Last 12 months 131,528 · prior 12 157,267(-16%)

010K20K202420252026

Oil, barrels lease total

Last 12 months 15,588 · prior 12 17,888(-13%)

01K2K3K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Trinity Operating (Usg), LLCAug 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
849865-99DrillTrinity Operating (Usg), LLCFeb 11, 2019Feb 12, 2019Feb 24, 201910,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-297250————
—— O-1-19955————

Formation tops

As filed on W-2/G-1. Subsea from 508 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City960-452
Olmos2,505-1,997
Navarro3,163-2,655
Anacacho3,203-2,695
Escondido3,998-3,490
Austin ChalkAUSTIN CHALK - H2S4,842-4,334
Eagle FordEAGLE FORD - H2S5,642-5,134
BudaBUDA - H2S——
GeorgetownGEORGETOWN - H2S——
Pearsall——

Perforations

Perforated and open-hole intervals.

FromToType
7,39819,277Perforated
7,39819,278Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.753,49113.51,235 S
7.6257,3179.51,015 S
5.519,3956.751,410 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 1, 2024Apr 25, 2024Yes
00Apr 1, 2020Dec 4, 2019Yes

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.

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.

Open the cross-section →

Derby South C42-163-34167

0.0 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City958-450
Olmos2,502-1,994
Navarro3,161-2,653
Anacacho3,205-2,697
Escondido4,001-3,493
Austin Chalk4,838-4,330
Eagle Ford5,619-5,111
Buda5,771-5,263

10 TOPS · FIRST 8

Derby South C42-163-34166

0.0 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City960-451
Olmos2,489-1,980
Navarro3,077-2,568
Anacacho3,117-2,608
Escondido3,917-3,408
Austin Chalk4,757-4,248
Eagle Ford5,573-5,064
Georgetown—

10 TOPS · FIRST 8

Derby North G42-163-34277

1.8 KM · Trinity Operating (Usg), LLC · Section with this well →

Escondido4,133-3,641
Olmos4,936-4,444
Anacacho6,230-5,738
Austin Chalk6,610-6,118
Eagle Ford6,857-6,365
Queen City—
Buda—
Georgetown—

10 TOPS · FIRST 8

Derby North G42-163-34276

1.8 KM · Trinity Operating (Usg), LLC · Section with this well →

Escondido4,134-3,644
Olmos4,947-4,457
San Miguel5,709-5,219
Anacacho6,249-5,759
Austin Chalk6,621-6,131
Eagle Ford6,869-6,379
Eagle Ford7,078-6,588
Buda—

10 TOPS · FIRST 8

Derby South H42-163-34174

2.5 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City958-478
Olmos2,496-2,016
Navarro3,149-2,669
Anacacho3,189-2,709
Escondido3,979-3,499
Austin Chalk4,813-4,333
Eagle Ford5,603-5,123
Georgetown—

10 TOPS · FIRST 8

Derby South H42-163-34173

2.5 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City958-477
Olmos2,496-2,015
Navarro3,149-2,668
Anacacho3,189-2,708
Escondido3,979-3,498
Austin Chalk4,813-4,332
Eagle Ford5,603-5,122
Georgetown—

10 TOPS · FIRST 8

Derby South H42-163-34172

2.5 KM · Trinity Operating (Usg), LLC · Section with this well →

Queen City958-477
Olmos2,499-2,018
Navarro3,156-2,675
Anacacho3,195-2,714
Escondido3,991-3,510
Austin Chalk4,827-4,346
Eagle Ford5,622-5,141
Pearsall—

10 TOPS · FIRST 8

Bennett Bros.42-163-32589

3.5 KM · Noble Energy, Inc. · Section with this well →

Austin Chalk6,312-5,767

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/16334168, documented in the API reference.