WELL · 42-255-35754 · DISTRICT 2
Muschalek Blair Unit B #1
Karnes County · Eagleville (Eagle Ford-2) field · Producing · Horizontal
Muschalek Blair Unit B #1 (API 42-255-35754) is a horizontal well in Karnes County operated by Burlington Resources O & G CO LP, completed March 23, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 18, 2018, permitted to 17,500 ft.
Completion filings report 10 formation tops, including Wilcox, Austin Chalk, Eagle Ford, Carrizo.
Its lease has reported 478K barrels of oil and 793K mcf of gas since May 2018, last reporting in July 2026.
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 Jan 2026 |
| Latest permit | Burlington Resources O & G Co LPJan 18, 2018 |
- 17,500
- total depth, ft
- 1
- permits on file
- Jan 18, 2018
- last permit issued
- Mar 23, 2019
- completed
- 478K
- cumulative oil, bbl
- 793K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 23, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
29.082117, -97.663150
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 |
|---|---|---|---|---|---|---|
| Muschalek Blair Unit B O-2-11606 | Eagleville (Eagle Ford-2) | Burlington Resources O & G Co LP | 1 | 478K | 793K | May 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 4,365 · prior 12 13,644(-68%)
Gas, mcf lease total
Last 12 months 7,784 · prior 12 35,177(-78%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPOct 2018 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 834963-99 | Drill | Burlington Resources O & G Co LP | Jan 9, 2018 | Jan 18, 2018 | Jun 29, 2018 | 17,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-2-11606 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 561 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - DISPOSAL | 4,904 | -4,343 |
| Austin ChalkAUSTIN CHALK - H2S | 11,506 | -10,945 |
| Eagle FordEAGLE FORD - H2S | 11,842 | -11,281 |
| Carrizo | — | — |
| EdwardsEDWARDS - H2S | — | — |
| FrioFRIO - DISPOSAL | — | — |
| Queen City | — | — |
| Reklaw | — | — |
| SligoSLIGO - H2S | — | — |
| YeguaYEGUA - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,361 | 20,903 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,414 | 12.25 | 1,003 S |
| 5.5 | 21,006 | 8.75 | 2,631 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 | Mar 19, 2020 | Jan 31, 2020 | Yes |
| 00 | Feb 8, 2019 | Jan 9, 2019 | — |
| 00 | Jan 4, 2019 | Nov 5, 2018 | 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 42-255-35754 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-35754 → 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.
Muschalek Blair Unit C42-255-35755
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,899 | -4,337 |
| Austin Chalk | 11,532 | -10,970 |
| Eagle Ford | 11,862 | -11,300 |
| Reklaw | — | |
| Sligo | — | |
| Carrizo | — | |
| Yegua | — | |
| Edwards | — |
10 TOPS · FIRST 8
Muschalek Blair Unit A42-255-35753
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,920 | -4,359 |
| Austin Chalk | 11,559 | -10,998 |
| Eagle Ford | 11,930 | -11,369 |
| Frio | — | |
| Yegua | — | |
| Sligo | — | |
| Reklaw | — | |
| Carrizo | — |
10 TOPS · FIRST 8
Muschalek Blair Unit D42-255-35756
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,897 | -4,335 |
| Austin Chalk | 11,516 | -10,954 |
| Eagle Ford | 11,842 | -11,280 |
| Reklaw | — | |
| Sligo | — | |
| Yegua | — | |
| Edwards | — | |
| Frio | — |
10 TOPS · FIRST 8
Muschalek Schmidt Unit A42-255-35758
0.1 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,920 | -4,362 |
| Austin Chalk | 11,559 | -11,001 |
| Eagle Ford | 11,930 | -11,372 |
| Yegua | — | |
| Carrizo | — | |
| Edwards | — | |
| Frio | — | |
| Queen City | — |
10 TOPS · FIRST 8
Muschalek Blair Schmidt Ulw A42-255-35752
0.1 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,917 | -4,359 |
| Austin Chalk | 11,534 | -10,976 |
| Eagle Ford | 11,907 | -11,349 |
| Edwards | — | |
| Carrizo | — | |
| Yegua | — | |
| Sligo | — | |
| Reklaw | — |
10 TOPS · FIRST 8
Muschalek Blair Unit E42-255-35757
0.1 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,903 | -4,345 |
| Austin Chalk | 11,529 | -10,971 |
| Eagle Ford | 11,871 | -11,313 |
| Frio | — | |
| Reklaw | — | |
| Yegua | — | |
| Carrizo | — | |
| Edwards | — |
10 TOPS · FIRST 8
Bargmann Trust a Enervest JV B42-255-35275
1.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Wilcox | 4,846 | -4,348 |
| Austin Chalk | 11,469 | -10,971 |
| Eagle Ford | 11,777 | -11,279 |
| Frio | — | |
| Carrizo | — | |
| Yegua | — | |
| Sligo | — | |
| Reklaw | — |
10 TOPS · FIRST 8
Lazy Q Unit A42-123-34862
1.5 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 1,920 | -1,453 |
| Wilcox | 4,842 | -4,375 |
| Austin Chalk | 11,522 | -11,055 |
| Eagle Ford | 11,888 | -11,421 |
| Catahoula | — | |
| Frio | — | |
| Vicksburg | — | |
| 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/25535754, documented in the API reference.