WELL · 42-255-37077 · DISTRICT 2

Concord South K #12H

Y

Karnes County · Eagleville (Eagle Ford-2) field · Producing  · Horizontal

Concord South K #12H (API 42-255-37077) is a horizontal well in Karnes County operated by Repsol Oil & Gas USA LLC, completed September 5, 2021 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 11, 2020, permitted to 11,500 ft.

It was permitted by Inpex Eagle Ford, LLC and has since transferred to Repsol Oil & Gas USA LLC on the wellbore schedule.

Completion filings report 9 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Carrizo.

Its lease has reported 125K barrels of oil and 113K mcf of gas since January 2021, last reporting in July 2026.

Operator of record

Repsol Oil & Gas USA LLC

Permitted by Inpex Eagle Ford, LLC; the EWA schedule now lists a different operator.

The Woodlands, TX · P-5 Y, filed Jan 5, 2026 · 189 permits on file · (832) 463-3646

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRepsol Oil & Gas USA LLC
Production reportsRepsol Oil & Gas USA, LLCthrough Apr 2026
Latest permitInpex Eagle Ford, LLCDec 11, 2020

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,500
total depth, ft
1
permits on file
Dec 11, 2020
last permit issued
Sep 5, 2021
completed
125K
cumulative oil, bbl
113K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 5, 2021
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.890335, -98.143726

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Karnes 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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Concord South K O-2-12152Eagleville (Eagle Ford-2)Repsol Oil & Gas USA, LLC1125K113KJan 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 8,006 · prior 12 16,669(-52%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 3,168 · prior 12 7,662(-59%)

01K2K3K202420252026

Chain of custody

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

  1. 1Inpex Eagle Ford, LLCSep 2021 → Dec 2022
  2. 2Repsol Eagle Ford North, LLCJan 2023 → Jul 2023
  3. 3Repsol Oil & Gas USA, LLCAug 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
866413-99DrillInpex Eagle Ford, LLCDec 8, 2020Dec 11, 2020Dec 18, 202011,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-12152————

Formation tops

As filed on W-2/G-1. Subsea from 432 ft elevation.Download CSV →

FormationMD ftSubsea
Anacacho9,669-9,237
Austin ChalkAUSTIN CHALK - H2S9,950-9,518
Eagle FordUPPER EAGLE FORD10,163-9,731
Eagle FordEAGLE FORD - H2S10,246-9,814
Carrizo——
FrioFRIO - DISPOSAL——
Queen City——
Reklaw——
WilcoxWILCOX - DISPOSAL——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
10,50016,173Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,33312.251,202 S
5.516,8218.53,161 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
00Apr 27, 2022Mar 25, 2022Yes
00May 28, 2021Apr 20, 2021Yes

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 →

Concord South L42-255-37078

0.0 KM · Inpex Eagle Ford, LLC · Section with this well →

Austin Chalk9,658-9,226
Anacacho9,658-9,226
Austin Chalk9,939-9,507
Eagle Ford10,149-9,717
Eagle Ford10,235-9,803
Eagle Ford10,235-9,803
Queen City—
Carrizo—

12 TOPS · FIRST 8

Concord South J42-255-37076

0.0 KM · Inpex Eagle Ford, LLC · Section with this well →

Anacacho9,614-9,182
Austin Chalk9,874-9,442
Eagle Ford10,139-9,707
Carrizo—
Reklaw—
Edwards—
Frio—
Queen City—

10 TOPS · FIRST 8

Concord South A42-255-36185

0.0 KM · Gulftex Energy IV, LP · Section with this well →

Frio1,950-1,518
Yegua2,270-1,838
Queen City2,390-1,958
Reklaw3,050-2,618
Carrizo3,510-3,078
Wilcox4,620-4,188
Anacacho9,630-9,198
Austin Chalk9,900-9,468

10 TOPS · FIRST 8

Concord South B42-255-36186

0.0 KM · Gulftex Energy IV, LP · Section with this well →

Frio1,947-1,515
Yegua2,267-1,835
Queen City2,387-1,955
Reklaw3,047-2,615
Carrizo3,507-3,075
Wilcox4,617-4,185
Anacacho9,650-9,218
Austin Chalk9,932-9,500

10 TOPS · FIRST 8

Concord South C42-255-36282

0.0 KM · Gulftex Energy IV, LP · Section with this well →

Frio1,940-1,508
Yegua2,260-1,828
Queen City2,380-1,948
Reklaw3,040-2,608
Carrizo3,500-3,068
Wilcox4,610-4,178
Anacacho9,618-9,186
Austin Chalk9,880-9,448

10 TOPS · FIRST 8

Concord South I42-255-36522

0.6 KM · Gulftex Ipx, LLC · Section with this well →

Frio2,000-1,579
Yegua2,500-2,079
Queen City3,000-2,579
Reklaw3,200-2,779
Carrizo3,650-3,229
Wilcox5,662-5,241
Austin Chalk9,871-9,450
Eagle Ford10,074-9,653

10 TOPS · FIRST 8

Concord South H42-255-36521

0.6 KM · Gulftex Ipx, LLC · Section with this well →

Frio2,000-1,578
Yegua2,500-2,078
Queen City3,000-2,578
Reklaw3,200-2,778
Carrizo3,650-3,228
Wilcox5,673-5,251
Austin Chalk9,866-9,444
Eagle Ford10,060-9,638

10 TOPS · FIRST 8

Concord South G42-255-36520

0.6 KM · Gulftex Ipx, LLC · Section with this well →

Frio2,000-1,579
Yegua2,500-2,079
Queen City3,000-2,579
Reklaw3,200-2,779
Carrizo3,650-3,229
Wilcox5,674-5,253
Austin Chalk9,869-9,448
Eagle Ford10,064-9,643

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/25537077, documented in the API reference.