WELL · 42-439-31119 · DISTRICT 5

Oliver a Unit #12

Tarrant County · Newark East (Barnett Shale) field · Directional

Oliver A Unit #12 (API 42-439-31119) is a well in Tarrant County operated by Brg Lone Star Ltd., completed April 24, 2006.

The RRC has issued 2 drilling permits (amended twice) between 2005 and 2020, permitted to 8,900 ft.

Completion filings report 3 formation tops, including Marble Falls, Barnett, Ellenburger.

No lease production has been reported under this well’s leases.

Operator of record

BRG Lone Star Ltd.

Tulsa, OK · P-5 Y, filed Dec 4, 2025 · 98 permits on file · (918) 361-1292

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	BRG Lone Star Ltd.
Production reports	BRG Lone Star Ltd.through Apr 2026
Latest permit	BRG Lone Star Ltd.Nov 17, 2020

8,900: total depth, ft
4: permits on file
Nov 17, 2020: last permit issued
Apr 24, 2006: completed
0: cumulative oil, bbl
1.19M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2006 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Apr 24, 2006
Shut in: —
Plugged: —

Surface location

32.950030, -97.468412

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Tarrant County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Oliver 'a' GU G-5-291886	Newark, East (Bend Conglomerate)	Riverbirch Resources, LLC	1	0	219K	Oct 2021 – Jul 2026
Oliver "a" Unit G-13-216290	Newark, East (Barnett Shale)	BRG Lone Star Ltd.	1	0	969K	Apr 2006 – Oct 2021

Gas, mcf lease total

Last 12 months 42,218 · prior 12 43,238(-2%)

Chain of custody

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

1Chief Oil & Gas LLC *Apr 2006 → Jun 2006
2Devon Energy Production Co, L.P.Jul 2006 → Dec 2018
3BRG Lone Star Ltd.Oct 2021 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
866087-99	Recompletion	BRG Lone Star Ltd.	Nov 13, 2020	Nov 17, 2020	Oct 7, 2021	6,500
556812-97	Drill	Chief Oil & Gas LLC	Mar 30, 2005	Jan 25, 2005	Feb 12, 2006	8,900
556812-98	Drill	Chief Oil & Gas LLC	Feb 28, 2005	Jan 25, 2005	—	8,900
556812-99	Drill	Chief Oil & Gas LLC	Jan 26, 2005	Jan 25, 2005	—	8,900

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-5-291886	—	—	—	—
—	— G-13-216290	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 735 ft elevation.Download CSV →

Formation	MD ft	Subsea
Marble Falls	6,409	-5,674
BarnettBARNETT SHALE	6,715	-5,980
Ellenburger	7,060	-6,325

Perforations

Perforated and open-hole intervals.

From	To	Type
5,932	5,940	Perforated
6,722	6,984	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,060	12.25	515 S
5.5	7,145	7.875	260 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 →

Filed	W-2 / G-1 date	Logs referenced
Feb 22, 2022	Jan 6, 2022	—
Oct 4, 2006	May 22, 2006	Yes
Jun 12, 2006	—	—

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 42-439-31119 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-439-31119 → 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.

Open the cross-section →

Oliver 'a' Unit42-439-30630

1.2 KM · Chief Oil & Gas LLC · Section with this well →

Marble Falls	6,350	-5,680
Barnett	6,663	-5,993
Viola	7,002	-6,332

Oliver 'a' Unit42-439-31150

1.2 KM · Chief Oil & Gas LLC · Section with this well →

Marble Falls	6,323	-5,648
Barnett	6,637	-5,962
Ordovician	6,980	-6,305

Dido B 2 Unit42-439-30927

1.9 KM · BKV North Texas, LLC · Section with this well →

Forestburg	6,312	-5,630
Comyn	6,489	-5,807
Marble Falls	6,500	-5,818
Barnett	6,696	-6,014
Uppper Barnett	6,832	-6,150
Forestburg	6,944	-6,262

McKee's Port Unit42-439-31626

2.5 KM · Willowbend Investments, Inc. · Section with this well →

Caddo	3,098	-2,403
Marble Falls	6,331	-5,636
Barnett	6,618	-5,923

Walking 'T'42-439-31590

2.8 KM · Western Production Company · Section with this well →

Caddo	3,038	-2,373
Marble Falls	6,322	-5,657
Barnett	6,608	-5,943

Trwd E North Unit42-439-31264

2.9 KM · BKV North Texas, LLC · Section with this well →

Big Saline	5,912	-5,253
Marble Falls	6,248	-5,589
Barnett	6,562	-5,903
Barnett	6,608	-5,949

Cotton Cove CCS42-439-37356

4.6 KM · BKV Dcarbon Ventures, LLC · Section with this well →

Caddo	2,589	-1,863
Marble Falls	6,384	-5,658
Barnett	6,599	-5,873
Ellenburger	6,889	-6,163
Ordovician	6,960	-6,234

Trwd Gantt a Unit42-439-31842

4.7 KM · XTO Energy Inc. · Section with this well →

Marble Falls	6,245	-5,547
Comyn	6,454	-5,756
Barnett	6,578	-5,880
Barnett	6,578	-5,880

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/43931119, documented in the API reference.