WELL · 42-401-34847 · DISTRICT 6

Sparkman Oil Unit Jarrell #4

Sparkman Oil Unit Jarrell #4 (API 42-401-34847) is a permitted well in Rusk County filed by Buckhorn Operating LLC; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2008 and 2026, permitted to 13,500 ft.

Completion filings report 3 formation tops, including Travis Peak, Blimestone, Taylor.

Operator of record

Buckhorn Operating LLC

MT Enterprise, TX · P-5 Y, filed Apr 4, 2026 · 14 permits on file · (903) 918-8029

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Buckhorn Operating LLCthrough Apr 2026
Latest permit	Buckhorn Operating LLCJan 6, 2026

13,500: total depth, ft
2: permits on file
Jan 6, 2026: last permit issued
—: completed
0: cumulative oil, bbl
723K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
Shut in: —
Plugged: —

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

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
Jarrell Gas Unit G-6-243452	Brachfield, S.E. (Cotton Valley)	Buckhorn Operating LLC	1	0	723K	Nov 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 45,269 · prior 12 0

Chain of custody

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

1Cabot Oil & Gas CorporationNov 2008 → Mar 2012
2Buckhorn Operating LLCFeb 2026 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
912061-99	Recompletion	Buckhorn Operating LLC	Dec 4, 2025	Jan 6, 2026	—	10,350
665890-99	Drill	Enduring Resources, LLC	Jul 2, 2008	Jul 22, 2008	Sep 15, 2008	13,500

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-6-243452	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 387 ft elevation.Download CSV →

Formation	MD ft	Subsea
Travis Peak	7,338	-6,951
Blimestone	9,378	-8,991
TaylorTAYLOR SAND	10,499	-10,112

Perforations

Perforated and open-hole intervals.

From	To	Type
11,336	11,346	Perforated
11,406	11,416	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	1,419	12.25	470 S
4.5	11,575	8.75	1,525 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	Jan 15, 2009	Dec 17, 2008	Yes
00	Jan 6, 2009	—	—

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 42-401-34847 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-401-34847 → 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.

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/40134847, documented in the API reference.