42-371-37072

PRODUCING Directional

TUNIS CREEK UNIV. LANDS UNIT

PECOS County · District 8 · BASIN OIL & GAS OPERATING LLC · TUNIS CREEK(DEVONIAN)

Permits

Max Depth

7,000 ft

First Permit

2001-04-04

Latest Activity

2001-04-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-06-12

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: BASIN OIL & GAS OPERATING LLC ≠ Permit: OSBORN HEIRS COMPANY

Resolved via: production → BASIN OIL & GAS OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

OSBORN HEIRS COMPANY 1993-2021→ GREAT WESTERN DRILLING COMPANY 2021-2024→ BASIN OIL & GAS OPERATING, LLC 2024-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (5) Elevation 2,606 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WICHITA ALBANY (Wichita-Albany)	4,200 ft	-1,594 ft
WOLFCAMP	4,918 ft	-2,312 ft
PENNSYLVANIAN	6,151 ft	-3,545 ft
DEVONIAN	6,726 ft	-4,120 ft
SILURIAN (Silurian (undifferentiated))	6,806 ft	-4,200 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (6)

Interval	Type
6,732–6,735 ft	Perforated
6,732–6,786 ft	Perforated
6,739–6,746 ft	Perforated
6,750–6,756 ft	Perforated
6,760–6,767 ft	Perforated
6,771–6,786 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	612 ft	500 sx
8.625"	2,710 ft	1,025 sx
8.625"	2,714 ft	1,025 sx
5.5"	6,918 ft	110 sx

Permit History (2)

#507378 Drill Final Completion

TUNIS CREEK UNIV. LANDS UNIT · 7,000 ft

2001-04-30

Spud 2001-04-04

#507378 Drill

TUNIS CREEK UNIV. LANDS UNIT · 7,000 ft

2001-04-04

Spud 2001-04-04

Applications (2)

#507378 A OSBORN HEIRS COMPANY

received 2001-04-30

#507378 A OSBORN HEIRS COMPANY

received 2001-04-04

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-06-19

W-2/G-1 2005-07-01 log on file

W-2/G-1 2006-03-15

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in PECOS County.

Well Details

Well Number: 310ST
Max Depth: 7,000 ft
Drill Type: Directional
County: PECOS
District: 8
Operator: BASIN OIL & GAS OPERATING LLC
Completed: 2024-06-12

Operator

Name: BASIN OIL & GAS OPER, LLC
Location: FORT WORTH
P-5 Status: X (filed 2026-05-21)
Cum Oil (all leases): 5,341,244 bbl
Cum Gas (all leases): 4,651,280 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 141