TEXAS · WELLS · DE WITT COUNTY · API 42-123-32573 · DISTRICT 02
Koopmann Unit C #1MW
De Witt County · De Witt (Eagle Ford Shale) field · Observation · Directional
Koopmann Unit C #1MW (API 42-123-32573) is a well in De Witt County operated by Burlington Resources O & G CO LP, completed December 11, 2011 and listed as observation on the RRC schedule, shut in February 1, 2026.
The RRC has issued 2 drilling permits (amended twice) between 2011 and 2015, permitted to 12,896 ft.
Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.
Its 2 leases have reported 872K barrels of oil and 2.63M mcf of gas since December 2011, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.
Operator of record
Burlington Resources O & G Co LP
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 30, 2025
- Permits on file
- 5,133
- Phone
- (832) 486-2737
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 LPApr 1, 2015 |
- 12,896
- total depth, ft
- 4
- permits on file
- Apr 1, 2015
- last permit issued
- Dec 11, 2011
- completed
- 872K
- cumulative oil, bbl
- 2.63M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 11, 2011
- Shut in
- Feb 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Koopmann Unit C O-2-11061 | De Witt (Eagle Ford Shale) | Burlington Resources O & G Co LP | 4 | 703K | 2.25M | Jan 2014 – Jul 2026 |
| Koopmann Unit C O-2-9927 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | 4 | 169K | 384K | Dec 2011 – Mar 2016 |
Oil, barrels lease total
Last 12 months 9,995 · prior 12 11,707(-15%)
Gas, mcf lease total
Last 12 months 38,510 · prior 12 62,498(-38%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPSep 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 805010-99 | Field transfer | Burlington Resources O & G Co LP | Mar 25, 2015 | Apr 1, 2015 | Nov 15, 2011 | 17,000 |
| 723947-97 | Drill | Burlington Resources O & G Co LP | Oct 26, 2011 | Sep 13, 2011 | Nov 15, 2011 | 13,500 |
| 723947-98 | Drill | Burlington Resources O & G Co LP | Oct 6, 2011 | Sep 13, 2011 | — | 13,500 |
| 723947-99 | Drill | Burlington Resources O & G Co LP | Sep 9, 2011 | Sep 13, 2011 | Nov 15, 2011 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 11, 2011 | Koopmann Unit C O-2-11061 | De Witt (Eagle Ford Shale) | Burlington Resources O & G Co LP | Observation · shut in Feb 1, 2026 | 12,896 |
| Dec 11, 2011 | Koopmann Unit C O-2-9927 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 455 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 12,314 | -11,859 |
| Austin Chalk | 12,533 | -12,078 |
| Eagle Ford | 12,924 | -12,469 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,041 | 12.25 | 1,160 S |
| 5.5 | 13,250 | 8.75 | 1,025 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 | Jan 19, 2016 | Apr 27, 2015 | — |
| 00 | May 9, 2012 | Mar 15, 2012 | 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 42-123-32573 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-32573 → 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.
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/12332573, documented in the API reference.