42-105-33161

Final Completion

MCMULLAN R. B.

CROCKETT County · District 7 · PIONEER NATURAL RES. USA INC. · SEAWOLF (STRAWN)

RRC Lookup

Permits

Max Depth

9,170 ft

First Permit

1980-12-05

Latest Activity

1998-07-15

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1981-02-20

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Production: EXTEX OPERATING COMPANY (reported 2025-12)

Resolved via: production → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

MWJ PRODUCING COMPANY 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1998-2014→ STANOLIND OPERATING LLC 2014-2015→ SOGO III LLC 2015-2017→ STANOLIND PRODUCTION LLC 2017-2020→ SLANT OPERATING, LLC 2021-2021→ EXTEX OPERATING COMPANY 2021-2025

Lease Production

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

Permit History (2)

#477989 Recompletion Final Completion

MCMULLAN, R. B. · 8,700 ft

1998-07-15

Spud 1998-07-13

#101078 Drill Final Completion

MCMULLAN, R.B. · 9,170 ft

1980-12-05

Spud 1981-01-17

Permit Applications (2)

#477989 A PIONEER NATURAL RES. USA, INC.

received 1998-07-15

#101078 A HARRISON INTERESTS, LTD.

received 1980-12-05

Well Details

Well Number: 1
Max Depth: 9,170 ft
Drill Type: Vertical
County: CROCKETT
District: 7
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1981-02-20

Operator

Name: PIONEER NATURAL RES. USA, INC
Location: Y SPRING
P-5 Status: Y (filed 2025-05-02)
Cum Oil (all leases): 1,696,586,121 bbl
Cum Gas (all leases): 1,763,332,471 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 15,134

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