42-461-32443

Final Completion

BENEDUM /SPRABERRY/ UNIT

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

Permits

Max Depth

11,400 ft

First Permit

1985-07-18

Latest Activity

1991-02-25

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-04-07

Shut-In

—

Plugged

2022-09-02

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

Injection / Disposal

UPTON County disposal market →

W-14 Disposal Inactive UIC #000126159 permitted 2023-09-22

Permitted Volume

40,000 bbl/d

Max Pressure

1,890 psi

Injection Interval

3,780–6,050 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

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 (10) Elevation 2,691 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CRETACEOUS	450 ft	+2,241 ft
REDBEDS	450 ft	+2,241 ft
UPPER SPRABERRY (Spraberry)	7,200 ft	-4,509 ft
U. SPRABERRY	7,470 ft	-4,779 ft
LOWER SPRABERRY (Spraberry)	7,600 ft	-4,909 ft
L. SPRABERRY	7,600 ft	-4,909 ft
DEAN	8,110 ft	-5,419 ft
WOLFCAMP	8,230 ft	-5,539 ft
BEND	10,070 ft	-7,379 ft
FUSSELMAN	11,180 ft	-8,489 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
7,237–7,581 ft	Perforated
11,186–11,250 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	519 ft	475 sx
8.625"	4,712 ft	1,000 sx
5.5"	11,400 ft	1,400 sx

Permit History (2)

#384984 Recompletion Final Completion

BENEDUM SPRABERRY UNIT · 7,980 ft

1991-02-25

Spud 1991-02-27

#280421 Drill Final Completion

NEAL "14-B" · 11,400 ft

1985-07-18

Applications (2)

#384984 A COX, JOHN L.

received 1991-02-22

#280421 A COX, JOHN L.

received 1985-07-17

Records & Logs

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

W-2/G-1 1991-04-15 log on file

W-2/G-1 1985-10-11 log on file

W-2/G-1 1985-10-23

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: 3903
Max Depth: 11,400 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1991-04-07

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: 15,399