42-173-31765

Final Completion

SHAMROCK -4-

GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · DEWEY LAKE S. (STRAWN)

RRC Lookup

Permits

Max Depth

10,500 ft

First Permit

1984-12-18

Latest Activity

1984-12-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-04-01

Shut-In

—

Plugged

2024-05-21

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: MWJ PRODUCING COMPANY

Resolved via: scheduling → PIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2024-05

Operator History

Chain of Custody

MWJ PRODUCING COMPANY 1993-1996→ LIMARK CORPORATION 1996-2003→ NORTHSTAR OPERATING COMPANY 2009-2016→ DE OPERATING LLC 2016-2017→ PARSLEY ENERGY OPERATIONS, LLC 2017-2021→ PIONEER NATURAL RES. USA, INC. 2021-2022

Lease Production

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

Permit History (1)

#261429 Drill Final Completion

SHAMROCK 4 · 10,500 ft

1984-12-18

Permit Applications (1)

#261429 A MWJ PRODUCING COMPANY

received 1984-12-17

Well Details

Well Number: 1
Max Depth: 10,500 ft
Drill Type: Vertical
County: GLASSCOCK
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1985-04-01

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: 15,133

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