WELL · 42-123-35142 · DISTRICT 2
M Koop-Mar-Gwosdz Usw E #1
DE Witt County · DE Witt (Eagle Ford Shale) field · Producing · Horizontal
M Koop-Mar-Gwosdz Usw E #1 (API 42-123-35142) 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 297K barrels of oil and 1.24M 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 schedule | Burlington Resources O & G Co LP |
| Production reports | Burlington Resources O & G Co LPthrough Apr 2026 |
| Latest permit | Burlington 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
- 297K
- cumulative oil, bbl
- 1.24M
- 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
29.103936, -97.521281
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| M Koop-Mar-Gwosdz Usw E O-2-12772 | DE Witt (Eagle Ford Shale) | Burlington Resources O & G Co LP | 1 | 297K | 1.24M | Oct 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 27,412 · prior 12 40,236(-32%)
Gas, mcf lease total
Last 12 months 123,748 · prior 12 178,197(-31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPOct 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 875698-99 | Drill | Burlington Resources O & G Co LP | Jan 3, 2022 | Jan 12, 2022 | Apr 19, 2022 | 17,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-12772 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 364 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 2,456 | -2,092 |
| Wilcox | 4,987 | -4,623 |
| Austin Chalk | 11,905 | -11,541 |
| Eagle Ford | 12,288 | -11,924 |
| Catahoula | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Frio | — | — |
| Vicksburg | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,400 | 19,319 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,449 | 12.25 | 1,360 S |
| 6 | 19,425 | 8.75 | 1,955 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 | May 20, 2024 | Apr 25, 2024 | 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 42-123-35142 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-35142 → 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.
M Koop-Mar-Gwosdz Usw F42-123-35143
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,444 | -2,080 |
| Wilcox | 4,990 | -4,626 |
| Austin Chalk | 11,889 | -11,525 |
| Eagle Ford | 12,261 | -11,897 |
| Frio | — | |
| Edwards | — | |
| Vicksburg | — | |
| Catahoula | — |
M Koop-Mar-Gwosdz Usw D42-123-35141
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,457 | -2,093 |
| Wilcox | 5,690 | -5,326 |
| Austin Chalk | 12,643 | -12,279 |
| Eagle Ford | 13,028 | -12,664 |
| Catahoula | — | |
| Vicksburg | — | |
| Frio | — | |
| Edwards | — |
M Koopmann-Gwosdz Usw A42-123-35138
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,427 | -2,062 |
| Wilcox | 4,994 | -4,629 |
| Austin Chalk | 11,853 | -11,488 |
| Eagle Ford | 12,230 | -11,865 |
| Edwards | — | |
| Catahoula | — | |
| Frio | — | |
| Vicksburg | — |
M Koopmann-Gwosdz Usw B42-123-35139
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,456 | -2,091 |
| Wilcox | 4,989 | -4,624 |
| Austin Chalk | 11,928 | -11,563 |
| Eagle Ford | 12,307 | -11,942 |
| Edwards | — | |
| Catahoula | — | |
| Frio | — | |
| Vicksburg | — |
M Koopmann-Gwosdz Usw C42-123-35140
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,464 | -2,102 |
| Wilcox | 5,754 | -5,392 |
| Austin Chalk | 12,649 | -12,287 |
| Eagle Ford | 13,033 | -12,671 |
| Edwards | — | |
| Frio | — | |
| Vicksburg | — | |
| Catahoula | — |
D. Baker Unit B42-123-33744
0.8 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,800 | -1,448 |
| Wilcox | 5,466 | -5,114 |
| Austin Chalk | 12,352 | -12,000 |
| Eagle Ford | 12,739 | -12,387 |
| Frio | — | |
| Edwards | — | |
| Vicksburg | — | |
| Catahoula | — |
Ibrom a-Ibrom B SA 242-123-35497
1.4 KM · BPX Operating Company · Section with this well →
| Wilcox | 5,687 | -5,397 |
| Olmos | 11,747 | -11,457 |
| Austin Chalk | 12,650 | -12,360 |
| Eagle Ford | 13,043 | -12,753 |
| Vicksburg | — | |
| Catahoula | — | |
| Yegua | — | |
| Edwards | — |
9 TOPS · FIRST 8
Ibrom a-Ibrom B SA 342-123-35498
1.4 KM · BPX Operating Company · Section with this well →
| Wilcox | 5,664 | -5,374 |
| Olmos | 11,744 | -11,454 |
| Austin Chalk | 12,659 | -12,369 |
| Eagle Ford | 13,049 | -12,759 |
| Edwards | — | |
| Frio | — | |
| Vicksburg | — | |
| Catahoula | — |
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/12335142, documented in the API reference.