WELL · 42-123-35036 · DISTRICT 2
Westhoff A-Koop B #1MW
DE Witt County · Eagleville (Eagle Ford-2) field · Observation · Horizontal
Westhoff A-Koop B #1MW (API 42-123-35036) is a horizontal well in De Witt County operated by Burlington Resources O & G CO LP, completed June 19, 2021 and listed as observation on the RRC schedule.
The RRC has issued one drilling permit, issued October 6, 2020, permitted to 17,500 ft.
Completion filings report 8 formation tops, including Yegua, Wilcox, Austin Chalk, Eagle Ford.
No lease production has been reported under this well’s leases.
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
- 5,130
- Phone
- (832) 486-2737
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Burlington Resources O & G Co LP |
| Production reports | none |
| Latest permit | Burlington Resources O & G Co LPOct 6, 2020 |
- 17,500
- total depth, ft
- 1
- permits on file
- Oct 6, 2020
- last permit issued
- Jun 19, 2021
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2021 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 19, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
29.087576, -97.576532
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 |
|---|---|---|---|---|---|---|
| Westhoff A-Koop B O-2-12366 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | 1 | 0 | 0 | Jun 2021 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 865357-99 | Drill | Burlington Resources O & G Co LP | Oct 1, 2020 | Oct 6, 2020 | May 10, 2021 | 17,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-12366 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 404 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 1,790 | -1,386 |
| Wilcox | 5,475 | -5,071 |
| Austin Chalk | 12,246 | -11,842 |
| Eagle Ford | 12,859 | -12,455 |
| Catahoula | — | — |
| EdwardsEDWARDS - H2S | — | — |
| EdwardsEDWARDS-H2S | — | — |
| Frio | — | — |
| Vicksburg | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,670 | 13,675 | Perforated |
| 14,030 | 14,035 | Perforated |
| 14,183 | 14,188 | Perforated |
| 14,312 | 14,317 | Perforated |
| 14,480 | 14,485 | Perforated |
| 14,644 | 14,649 | Perforated |
| 14,760 | 14,765 | Perforated |
| 14,900 | 14,905 | Perforated |
| 15,104 | 15,109 | Perforated |
| 15,220 | 15,225 | Perforated |
| 15,386 | 15,391 | Perforated |
| 15,545 | 15,550 | Perforated |
| 15,750 | 15,755 | Perforated |
| 15,820 | 15,825 | Perforated |
| 15,970 | 15,975 | Perforated |
| 16,135 | 16,141 | Perforated |
| 16,435 | 16,441 | Perforated |
| 16,530 | 16,536 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,496 | 17.5 | 1,170 S |
| 9.625 | 13,435 | 12.25 | 1,500 S |
| 5.5 | 16,643 | 8.75 | 1,645 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 | Nov 20, 2023 | Nov 1, 2023 | Yes |
| 00 | Jul 19, 2022 | Jun 20, 2022 | 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 42-123-35036 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-35036 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Westhoff A-Koop B Usw D42-123-34817
0.6 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,410 | -1,944 |
| Wilcox | 6,321 | -5,855 |
| Austin Chalk | 12,225 | -11,759 |
| Eagle Ford | 12,621 | -12,155 |
| Catahoula | — | |
| Vicksburg | — | |
| Frio | — | |
| Edwards | — |
Westhoff A-Koop B Usw A42-123-34814
0.7 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,415 | -1,947 |
| Wilcox | 6,323 | -5,855 |
| Austin Chalk | 12,225 | -11,757 |
| Eagle Ford | 12,610 | -12,142 |
| Catahoula | — | |
| Vicksburg | — | |
| Frio | — | |
| Edwards | — |
Westhoff A-Koop B Usw B42-123-34815
0.7 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,415 | -1,946 |
| Wilcox | 6,322 | -5,853 |
| Austin Chalk | 12,239 | -11,770 |
| Eagle Ford | 12,634 | -12,165 |
| Edwards | — | |
| Catahoula | — | |
| Frio | — | |
| Vicksburg | — |
Westhoff A-Koop B Usw C42-123-34816
0.7 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,416 | -1,945 |
| Wilcox | 6,323 | -5,852 |
| Austin Chalk | 12,222 | -11,751 |
| Eagle Ford | 12,606 | -12,135 |
| Catahoula | — | |
| Vicksburg | — | |
| Frio | — | |
| Edwards | — |
Burge Unit a Usw42-123-32586
1.1 KM · Burlington Resources O & G Co LP · Section with this well →
| Pecan Gap | 12,177 | -11,730 |
| Austin Chalk | 12,391 | -11,944 |
| Eagle Ford | 12,765 | -12,318 |
Lackey Unit B42-123-32646
1.2 KM · Burlington Resources O & G Co LP · Section with this well →
| Pecan Gap | 11,993 | -11,600 |
| Austin Chalk | 12,202 | -11,809 |
| Eagle Ford | 12,586 | -12,193 |
Hilmer Koopmann a 27442-123-34048
1.3 KM · Burlington Resources O & G Co LP · Section with this well →
| Catahoula | 317 | 122 |
| Frio | 882 | -443 |
| Vicksburg | 1,509 | -1,070 |
| Yegua | 2,538 | -2,099 |
| Wilcox | 5,693 | -5,254 |
| Austin Chalk | 12,477 | -12,038 |
| Eagle Ford | 12,836 | -12,397 |
| Edwards | — |
Hilmer Koopmann a 27442-123-34050
1.3 KM · Burlington Resources O & G Co LP · Section with this well →
| Catahoula | 320 | 121 |
| Frio | 885 | -444 |
| Vicksburg | 1,513 | -1,072 |
| Yegua | 2,543 | -2,102 |
| Wilcox | 5,690 | -5,249 |
| Austin Chalk | 12,486 | -12,045 |
| Eagle Ford | 12,845 | -12,404 |
| Edwards | — |
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/12335036, documented in the API reference.