42-461-32177

Final Completion

BENEDUM /SPRABERRY/ UNIT

UPTON County · District 7 · PIONEER NATURAL RES. USA INC. · BENEDUM (SPRABERRY)

Permits

Max Depth

8,200 ft

First Permit

1984-04-17

Latest Activity

1993-10-04

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1993-11-29

Shut-In

—

Plugged

2023-11-01

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: COX, JOHN L.

Resolved via: production → PIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

COX, JOHN L. 1993-2003→ JM COX RESOURCES, L.P. 2003-2018→ DE3 OPERATING LLC 2018-2021→ PIONEER NATURAL RES. USA, INC. 2021-2026

Lease Production

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

Formation Tops (8) Elevation 2,628 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CRETACEOUS	350 ft	+2,278 ft
SPRABERRY	6,490 ft	-3,862 ft
SPRABERRY	7,110 ft	-4,482 ft
PBTD	7,550 ft	-4,922 ft
DEAN	7,848 ft	-5,220 ft
DEVONIAN	10,682 ft	-8,054 ft
DEVONIAN	10,862 ft	-8,234 ft
FUSSELMAN	11,293 ft	-8,665 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)

Interval	Type
7,112–7,462 ft	Perforated
7,850–8,034 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	420 ft	500 sx
8.625"	4,900 ft	1,000 sx
5.5"	11,380 ft	1,400 sx

Permit History (2)

#415747 Recompletion Final Completion

BENEDUM SPRABERRY UNIT · 7,800 ft

1993-10-04

Spud 1993-09-08

#235840 Drill Final Completion

SHELL-UNIVERSITY · 8,200 ft

1984-04-17

Applications (3)

#415747 A COX, JOHN L.

received 1993-09-07

#235840 A COX, JOHN L.

received 1984-09-13

#235840 A COX, JOHN L.

received 1984-04-13

Records & Logs

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

W-2/G-1 1993-12-14 log on file

W-2/G-1 1984-09-11

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: 8403
Max Depth: 8,200 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1993-11-29

Operator

Name: PIONEER NATURAL RES. USA, INC
Location: Y SPRING
P-5 Status: Active (filed 2025-08-01)
Cum Oil (all leases): 1,771,882,421 bbl
Cum Gas (all leases): 1,763,727,021 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 15,416