WELL · 42-255-35753 · DISTRICT 2

Muschalek Blair Unit A #1

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Karnes County · Eagleville (Eagle Ford-2) field · Producing  · Horizontal

Muschalek Blair Unit A #1 (API 42-255-35753) is a horizontal well in Karnes County operated by Burlington Resources O & G CO LP, completed March 22, 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 674K barrels of oil and 985K 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 scheduleBurlington Resources O & G Co LP
Production reportsBurlington Resources O & G Co LPthrough Jan 2026
Latest permitBurlington Resources O & G Co LPJan 18, 2018
17,500
total depth, ft
1
permits on file
Jan 18, 2018
last permit issued
Mar 22, 2019
completed
674K
cumulative oil, bbl
985K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 22, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

29.082089, -97.663094

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Muschalek Blair Unit A O-2-11593Eagleville (Eagle Ford-2)Burlington Resources O & G Co LP1674K985KMay 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 16,309 · prior 12 23,307(-30%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 27,382 · prior 12 17,650(+55%)

02K4K6K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Burlington Resources O & G Co LPOct 2018 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
834962-99DrillBurlington Resources O & G Co LPJan 9, 2018Jan 18, 2018Jun 28, 201817,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-11593————

Formation tops

As filed on W-2/G-1. Subsea from 561 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL4,920-4,359
Austin ChalkAUSTIN CHALK - H2S11,559-10,998
Eagle FordEAGLE FORD - H2S11,930-11,369
Carrizo——
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
Queen City——
Reklaw——
SligoSLIGO - H2S——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
12,07820,667Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,38712.25999 S
5.520,7678.752,583 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Mar 19, 2020Jan 30, 2020Yes
00Feb 5, 2019Jan 9, 2019—
00Dec 13, 2018Oct 31, 2018Yes

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.

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.

Open the cross-section →

Muschalek Blair Unit B42-255-35754

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Wilcox4,904-4,343
Austin Chalk11,506-10,945
Eagle Ford11,842-11,281
Queen City—
Yegua—
Sligo—
Reklaw—
Carrizo—

10 TOPS · FIRST 8

Muschalek Blair Unit C42-255-35755

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Wilcox4,899-4,337
Austin Chalk11,532-10,970
Eagle Ford11,862-11,300
Carrizo—
Yegua—
Queen City—
Frio—
Edwards—

10 TOPS · FIRST 8

Muschalek Blair Unit D42-255-35756

0.0 KM · Burlington Resources O & G Co LP · Section with this well →

Wilcox4,897-4,335
Austin Chalk11,516-10,954
Eagle Ford11,842-11,280
Frio—
Carrizo—
Reklaw—
Queen City—
Edwards—

10 TOPS · FIRST 8

Muschalek Schmidt Unit A42-255-35758

0.1 KM · Burlington Resources O & G Co LP · Section with this well →

Wilcox4,920-4,362
Austin Chalk11,559-11,001
Eagle Ford11,930-11,372
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 →

Wilcox4,917-4,359
Austin Chalk11,534-10,976
Eagle Ford11,907-11,349
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 →

Wilcox4,903-4,345
Austin Chalk11,529-10,971
Eagle Ford11,871-11,313
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 →

Wilcox4,846-4,348
Austin Chalk11,469-10,971
Eagle Ford11,777-11,279
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 →

Yegua1,920-1,453
Wilcox4,842-4,375
Austin Chalk11,522-11,055
Eagle Ford11,888-11,421
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/25535753, documented in the API reference.