WELL · 42-255-37741 · DISTRICT 2

Nichols Unit A #12

Y

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

Nichols Unit A #12 (API 42-255-37741) is a horizontal well in Karnes County operated by Burlington Resources O & G CO LP, completed September 26, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 30, 2023, permitted to 17,500 ft.

Completion filings report 10 formation tops, including Yegua, Queen City, Reklaw, Carrizo.

Its lease has reported 1.6M barrels of oil and 3.3M mcf of gas since June 2011, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

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 scheduleBurlington Resources O & G Co LP
Production reportsBurlington Resources O & G Co LPthrough Apr 2026
Latest permitBurlington Resources O & G Co LPMar 30, 2023
17,500
total depth, ft
1
permits on file
Mar 30, 2023
last permit issued
Sep 26, 2024
completed
1.6M
cumulative oil, bbl
3.3M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 26, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

28.946425, -97.809408

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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Nichols Unit A O-2-9666Eagleville (Eagle Ford-2)Burlington Resources O & G Co LP41.6M3.3MJun 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 108,824 · prior 12 648,595(-83%)

050K100K150K202420252026

Gas, mcf lease total

Last 12 months 302,484 · prior 12 1,375,815(-78%)

0100K200K300K202420252026

Chain of custody

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

  1. 1Burlington Resources O & G Co LPJun 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
889006-99DrillBurlington Resources O & G Co LPMar 13, 2023Mar 30, 2023Jul 24, 202317,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-9666————

Formation tops

As filed on W-2/G-1. Subsea from 283 ft elevation.Download CSV →

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,654-2,371
Queen City3,893-3,610
Reklaw4,788-4,505
Carrizo4,917-4,634
WilcoxWILCOX - DISPOSAL5,328-5,045
Austin ChalkAUSTIN CHALK - H2S12,039-11,756
Eagle FordEAGLE FORD - H2S12,272-11,989
EdwardsEDWARDS - H2S——
FrioFRIO - DISPOSAL——
SligoSLIGO - H2S——

Perforations

Perforated and open-hole intervals.

FromToType
12,64518,505Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,57012.251,065 S
5.518,4868.752,045 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
00Oct 30, 2024Oct 16, 2024—
00Sep 30, 2024Aug 13, 2024—
00May 1, 2024Apr 9, 2024Yes

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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Brown Jenk-Bord Usw A42-255-37732

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

Yegua2,828-2,545
Queen City4,102-3,819
Reklaw4,975-4,692
Carrizo5,103-4,820
Wilcox5,247-4,964
Austin Chalk12,066-11,783
Eagle Ford12,306-12,023
Edwards—

10 TOPS · FIRST 8

Brown Jenk-Bord Usw C42-255-37734

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

Yegua2,842-2,559
Queen City4,120-3,837
Reklaw4,994-4,711
Carrizo5,114-4,831
Wilcox5,274-4,991
Austin Chalk12,070-11,787
Eagle Ford12,070-11,787
Frio—

10 TOPS · FIRST 8

Brown Jenk-Bord Usw B42-255-37733

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

Yegua2,848-2,565
Queen City4,134-3,851
Reklaw4,989-4,706
Carrizo5,109-4,826
Wilcox5,268-4,985
Austin Chalk12,051-11,768
Eagle Ford12,291-12,008
Frio—

10 TOPS · FIRST 8

Nichols Unit A42-255-37740

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

Yegua2,655-2,372
Queen City3,890-3,607
Reklaw4,788-4,505
Carrizo4,909-4,626
Wilcox5,329-5,046
Austin Chalk12,031-11,748
Eagle Ford12,270-11,987
Edwards—

10 TOPS · FIRST 8

Brown Jenk-Bord Usw D42-255-37735

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

Yegua2,834-2,551
Queen City4,128-3,845
Reklaw4,991-4,708
Carrizo5,097-4,814
Wilcox5,315-5,032
Austin Chalk12,074-11,791
Eagle Ford12,312-12,029
Edwards—

10 TOPS · FIRST 8

Nichols Unit A42-255-31863

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

Pecan Gap12,100-11,829
Austin Chalk12,278-12,007
Eagle Ford12,506-12,235

Ruck D - Colleen a Usw E42-255-36966

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

Yegua2,671-2,362
Queen City4,957-4,648
Reklaw5,097-4,788
Carrizo5,193-4,884
Wilcox12,002-11,693
Austin Chalk12,238-11,929
Eagle Ford12,346-12,037
Edwards—

10 TOPS · FIRST 8

Ruck D - Colleen a Usw D42-255-36965

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

Yegua2,668-2,359
Queen City3,942-3,633
Reklaw4,951-4,642
Carrizo5,094-4,785
Wilcox5,188-4,879
Austin Chalk12,012-11,703
Eagle Ford12,258-11,949
Sligo—

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/25537741, documented in the API reference.