42-461-31891

Final Completion

MCCLURE W. W. A/C 1

UPTON County · District 7 · ORYX ENERGY COMPANY · KING MOUNTAIN (ELLENBURGER)

Permits

Max Depth

11,850 ft

First Permit

1982-03-10

Latest Activity

1986-02-25

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-02-01

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: ORYX ENERGY COMPANY ≠ Production: WINN OPERATING, LLC (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: ORYX ENERGY COMPANY ≠ Permit: SUN EXPL. & PROD. CO.-MIDLAND

Resolved via: production → WINN OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1995→ SAMSON HYDROCARBONS COMPANY 1995-1996→ SAMSON LONE STAR LP 1996-2007→ SAMSON LONE STAR, LLC 2007-2010→ THREE RIVERS OPERATING CO LLC 2011-2012→ COG OPERATING LLC 2012-2025→ WINN OPERATING, LLC 2025-2026

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 (22) Elevation 3,057 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,782 ft	+1,275 ft
YATES	2,562 ft	+495 ft
SAN ANDRES	3,935 ft	-878 ft
WOLFCAMP	7,516 ft	-4,459 ft
CISCO	7,757 ft	-4,700 ft
CANYON	8,111 ft	-5,054 ft
STRAWN	8,427 ft	-5,370 ft
ATOKA	8,550 ft	-5,493 ft
BEND SHALE (Bend)	8,855 ft	-5,798 ft
WOODFORD	9,353 ft	-6,296 ft
DEVONIAN	9,488 ft	-6,431 ft
SILURIAN (Silurian (undifferentiated))	10,306 ft	-7,249 ft
FUSSELMAN	10,357 ft	-7,300 ft
MONTOYA	10,418 ft	-7,361 ft
SIMPSON	10,513 ft	-7,456 ft
2ND FUSSELMAN (Fusselman)	10,567 ft	-7,510 ft
2ND MONTOYA (Montoya)	10,633 ft	-7,576 ft
2ND SIMPSON (Simpson)	10,727 ft	-7,670 ft
MCKEE	10,896 ft	-7,839 ft
WAADELL	11,256 ft	-8,199 ft
CONNELL	11,390 ft	-8,333 ft
JOINS	11,424 ft	-8,367 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 (3)

Interval	Type
9,521–9,575 ft	Perforated
9,521–9,984 ft	Perforated
11,454–11,466 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	670 ft	725 sx
8.625"	4,193 ft	2,000 sx
5.5"	11,553 ft	1,500 sx

Permit History (2)

#298454 Recompletion Final Completion

MCCLURE, W. W. A/C-1 · 11,553 ft

1986-02-25

#152733 Drill Final Completion

MCCLURE, W. W. A/C 1 · 11,850 ft

1982-03-10

Spud 1983-11-03

Applications (2)

#298454 A SUN EXPL. & PROD. CO.-MIDLAND

received 1986-01-30

#152733 A SUN EXPL. & PROD. CO.-MIDLAND

received 1982-03-10

Records & Logs

5 completion filings on record.

W-2/G-1 1990-04-27

W-2/G-1 1986-04-11

W-2/G-1 1986-04-17

W-2/G-1 1984-03-05

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 UPTON County.

Well Details

Well Number: 9
Max Depth: 11,850 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: ORYX ENERGY COMPANY
Completed: 1984-02-01

Operator

Name: SANCHEZ-O'BRIEN OIL & GAS CORP
Location: DALLAS
P-5 Status: Inactive (filed 1998-03-27)
Cum Oil (all leases): 48,027,931 bbl
Cum Gas (all leases): 270,942,656 mcf
Total Permits: 1,627