← Wells

42-495-10399

Final Completion

HALLEY S. M. -B-

WINKLER County · District 8 · BASIN OIL & GAS OPERATING LLC · WEINER (COLBY SAND)

Permits

1

Max Depth

4,000 ft

First Permit

1987-04-08

Latest Activity

1987-04-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

1994-09-14

!

EWA / Permit operator mismatch

Scheduling: BASIN OIL & GAS OPERATING LLC ≠ Permit: SUN EXPL. & PROD. CO.-MIDLAND

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

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

WINKLER County disposal market →
H-1 Injection Plugged 1994-10-10 UIC #000012614

Permitted Volume

—

Max Pressure

—

Injection Interval

—

Injected (12mo)

—

H-1 Injection Plugged 1994-10-10 UIC #000021891 permitted 1955-01-01

Permitted Volume

—

Max Pressure

—

Injection Interval

—

Injected (12mo)

—

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1999→ KERR-MCGEE CORPORATION 1999-1999→ KERR-MCGEE OIL & GAS ONSHORE LLC 1999-2003→ CHESAPEAKE OPERATING, INC. 2003-2012→ SHELL WESTERN E&P 2012-2014→ MECO IV, LLC 2015-2021→ MECO IV HOLDCO, LLC 2021-2022→ BASIN OIL & GAS OPERATING, LLC 2022-2026

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 (1) Elevation 2,815 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CAPITAN REEF (Capitan)3,502 ft-687 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 (2)

IntervalType
3,500–3,636 ftPerforated
?–4,870 ftPerforated

Casing (4)

SizeSet DepthCement
8.625"325 ft200 sx
8.625"327 ft—
5.5"5,100 ft600 sx
5.5"5,100 ft—

Permit History (1)

#328785 Recompletion Final Completion

HALLEY, S. M. -B- · 4,000 ft

1987-04-08

Applications (1)

#328785 A SUN EXPL. & PROD. CO.-MIDLAND
received 1987-04-08

Records & Logs

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

W-2/G-1 1987-04-30 log on file
W-2/G-1 1987-05-08
W-2/G-1 1965-04-22
W-2/G-1 1984-01-12
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 WINKLER County.

Well Details

Well Number
28WS
Max Depth
4,000 ft
Drill Type
Vertical
County
WINKLER
District
8
Operator
BASIN OIL & GAS OPERATING LLC

Operator

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
130