WELL · 42-123-35141 · DISTRICT 2

M Koop-Mar-Gwosdz Usw D #1

Y

DE Witt County · DE Witt (Eagle Ford Shale) field · Producing  · Horizontal

M Koop-Mar-Gwosdz Usw D #1 (API 42-123-35141) is a horizontal well in De Witt County operated by Burlington Resources O & G CO LP, completed October 26, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 12, 2022, permitted to 17,500 ft.

Completion filings report 8 formation tops, including Yegua, Wilcox, Austin Chalk, Eagle Ford.

Its lease has reported 281K barrels of oil and 1.19M mcf of gas since October 2022, last reporting in July 2026.

Operator of record

Burlington Resources O & G Co LP

Houston, TX · P-5 Y, filed Aug 4, 2025 · 5,130 permits on file · (800) 332-9449

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBurlington Resources O & G Co LP
Production reportsBurlington Resources O & G Co LPthrough Apr 2026
Latest permitBurlington Resources O & G Co LPJan 12, 2022
17,500
total depth, ft
1
permits on file
Jan 12, 2022
last permit issued
Oct 26, 2022
completed
281K
cumulative oil, bbl
1.19M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 26, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

29.103933, -97.521217

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in DE Witt 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
M Koop-Mar-Gwosdz Usw D O-2-12774DE Witt (Eagle Ford Shale)Burlington Resources O & G Co LP1281K1.19MOct 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 25,951 · prior 12 34,701(-25%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 117,800 · prior 12 162,289(-27%)

050K100K202420252026

Chain of custody

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

  1. 1Burlington Resources O & G Co LPOct 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
875697-99DrillBurlington Resources O & G Co LPJan 3, 2022Jan 12, 2022Apr 17, 202217,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-12774————

Formation tops

As filed on W-2/G-1. Subsea from 364 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua2,457-2,093
Wilcox5,690-5,326
Austin Chalk12,643-12,279
Eagle Ford13,028-12,664
Catahoula——
EdwardsEDWARDS - H2S——
Frio——
Vicksburg——

Perforations

Perforated and open-hole intervals.

FromToType
13,26119,848Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6254,44612.251,360 S
619,9558.752,015 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
00May 22, 2024Apr 19, 2024Yes

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 →

M Koopmann-Gwosdz Usw A42-123-35138

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,427-2,062
Wilcox4,994-4,629
Austin Chalk11,853-11,488
Eagle Ford12,230-11,865
Catahoula—
Vicksburg—
Frio—
Edwards—

M Koop-Mar-Gwosdz Usw E42-123-35142

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,456-2,092
Wilcox4,987-4,623
Austin Chalk11,905-11,541
Eagle Ford12,288-11,924
Vicksburg—
Frio—
Edwards—
Catahoula—

M Koopmann-Gwosdz Usw B42-123-35139

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,456-2,091
Wilcox4,989-4,624
Austin Chalk11,928-11,563
Eagle Ford12,307-11,942
Frio—
Vicksburg—
Catahoula—
Edwards—

M Koop-Mar-Gwosdz Usw F42-123-35143

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,444-2,080
Wilcox4,990-4,626
Austin Chalk11,889-11,525
Eagle Ford12,261-11,897
Catahoula—
Edwards—
Frio—
Vicksburg—

M Koopmann-Gwosdz Usw C42-123-35140

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua2,464-2,102
Wilcox5,754-5,392
Austin Chalk12,649-12,287
Eagle Ford13,033-12,671
Frio—
Edwards—
Catahoula—
Vicksburg—

D. Baker Unit B42-123-33744

0.8 KM · Burlington Resources O & G Co LP · Section with this well →

Yegua1,800-1,448
Wilcox5,466-5,114
Austin Chalk12,352-12,000
Eagle Ford12,739-12,387
Frio—
Edwards—
Catahoula—
Vicksburg—

Ibrom a-Ibrom B SA 242-123-35497

1.4 KM · BPX Operating Company · Section with this well →

Wilcox5,687-5,397
Olmos11,747-11,457
Austin Chalk12,650-12,360
Eagle Ford13,043-12,753
Vicksburg—
Yegua—
Catahoula—
Edwards—

9 TOPS · FIRST 8

Ibrom a-Ibrom B SA 342-123-35498

1.4 KM · BPX Operating Company · Section with this well →

Wilcox5,664-5,374
Olmos11,744-11,454
Austin Chalk12,659-12,369
Eagle Ford13,049-12,759
Edwards—
Frio—
Catahoula—
Yegua—

9 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/12335141, documented in the API reference.