WELL · 42-255-31809 · DISTRICT 2
Janssen Unit A #1
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Janssen Unit A #1 (API 42-255-31809) is a horizontal well in Karnes County operated by Burlington Resources O & G CO LP, completed December 12, 2021 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 2010 and 2025, permitted to 14,000 ft.
Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.
Its lease has reported 521K barrels of oil and 1.62M mcf of gas since August 2011, 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 LPJun 25, 2025 |
- 14,000
- total depth, ft
- 3
- permits on file
- Jun 25, 2025
- last permit issued
- Dec 12, 2021
- completed
- 521K
- cumulative oil, bbl
- 1.62M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 12, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.881216, -97.847154
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Janssen Unit A O-2-9722 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | 1 | 521K | 1.62M | Aug 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 20,007 · prior 12 25,588(-22%)
Gas, mcf lease total
Last 12 months 73,471 · prior 12 90,613(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPAug 2011 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 908807-99 | Recompletion | Burlington Resources O & G Co LP | Jun 24, 2025 | Jun 25, 2025 | — | 12,902 |
| 706085-98 | Drill | Burlington Resources O & G Co LP | Sep 19, 2011 | Dec 2, 2010 | Jan 18, 2011 | 14,000 |
| 706085-99 | Drill | Burlington Resources O & G Co LP | Nov 30, 2010 | Dec 2, 2010 | Jan 18, 2011 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-9722 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 365 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 12,318 | -11,953 |
| Austin Chalk | 12,523 | -12,158 |
| Eagle Ford | 12,682 | -12,317 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,992 | 17,443 | Perforated |
| 13,396 | 17,648 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,984 | 13.5 | 1,416 S |
| 5.5 | 17,832 | 8.75 | 1,920 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 | Sep 2, 2025 | Aug 19, 2025 | — |
| 00 | Jan 30, 2012 | Sep 26, 2011 | 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 42-255-31809 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-31809 → 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.
Bodogginz-Janssen Usw C42-255-37063
0.5 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,629 | -1,227 |
| Queen City | 4,425 | -4,023 |
| Reklaw | 4,597 | -4,195 |
| Carrizo | 5,385 | -4,983 |
| Wilcox | 5,659 | -5,257 |
| Austin Chalk | 12,477 | -12,075 |
| Eagle Ford | 12,691 | -12,289 |
| Edwards | — |
10 TOPS · FIRST 8
Bodogginz-Janssen Usw B42-255-37056
0.5 KM · Burlington Resources O & G Co LP · Section with this well →
| Reklaw | 456 | -54 |
| Yegua | 1,629 | -1,227 |
| Yegua | 1,629 | -1,227 |
| Queen City | 4,401 | -3,999 |
| Carrizo | 5,369 | -4,967 |
| Wilcox | 5,686 | -5,284 |
| Austin Chalk | 12,471 | -12,069 |
| Eagle Ford | — |
11 TOPS · FIRST 8
Bodogginz-Janssen Usw A42-255-37055
0.5 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,628 | -1,226 |
| Queen City | 4,413 | -4,011 |
| Reklaw | 4,568 | -4,166 |
| Carrizo | 5,360 | -4,958 |
| Wilcox | 5,689 | -5,287 |
| Austin Chalk | 12,474 | -12,072 |
| Eagle Ford | 12,684 | -12,282 |
| Sligo | — |
10 TOPS · FIRST 8
Bod-Jan-Davis Ulw B42-255-37064
0.5 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,629 | -1,226 |
| Queen City | 4,426 | -4,023 |
| Reklaw | 4,577 | -4,174 |
| Carrizo | 5,329 | -4,926 |
| Wilcox | 5,677 | -5,274 |
| Austin Chalk | 12,474 | -12,071 |
| Eagle Ford | 12,687 | -12,284 |
| Frio | — |
10 TOPS · FIRST 8
Bod-Jan-Davis Ulw A42-255-37054
0.5 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,630 | -1,227 |
| Queen City | 4,406 | -4,003 |
| Reklaw | 4,570 | -4,167 |
| Carrizo | 5,292 | -4,889 |
| Wilcox | 5,673 | -5,270 |
| Austin Chalk | 12,468 | -12,065 |
| Eagle Ford | 12,683 | -12,280 |
| Sligo | — |
10 TOPS · FIRST 8
Sprencel 'a' Unit42-255-31953
0.8 KM · Plains Exploration & Prod. Co. · Section with this well →
| Anacacho | 12,342 | -11,950 |
| Austin Chalk | 12,520 | -12,128 |
| Eagle Ford | 12,710 | -12,318 |
| Eagle Ford | 12,785 | -12,393 |
Sprencel ''a'' Unit42-255-37849
0.9 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 2,231 | -1,855 |
| Yegua | 3,226 | -2,850 |
| Queen City | 4,280 | -3,904 |
| Reklaw | 4,720 | -4,344 |
| Carrizo | 5,273 | -4,897 |
| Wilcox | 5,562 | -5,186 |
| Austin Chalk | 12,485 | -12,109 |
| Eagle Ford | 12,700 | -12,324 |
10 TOPS · FIRST 8
Sprencel ''a'' Unit42-255-37850
0.9 KM · Devon Energy Production Co, L.P. · Section with this well →
| Frio | 2,203 | -1,827 |
| Yegua | 3,196 | -2,820 |
| Queen City | 4,251 | -3,875 |
| Reklaw | 4,689 | -4,313 |
| Carrizo | 5,247 | -4,871 |
| Wilcox | 5,531 | -5,155 |
| Austin Chalk | 12,489 | -12,113 |
| Eagle Ford | 12,700 | -12,324 |
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/25531809, documented in the API reference.