42-383-34190

Final Completion

NUNN J. F. -A-

REAGAN County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

8,400 ft

First Permit

1992-09-24

Latest Activity

1992-09-24

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-12-18

Shut-In

Plugged

2022-12-15

!

EWA / Production operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Production: DE3 OPERATING LLC (reported 2020-12)

!

EWA / Permit operator mismatch

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

Resolved via: schedulingPIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-06

Lease Production

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

Formation Tops (4) Elevation 2,674 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CRETACEOUS400 ft+2,274 ft
UPPER SPRABERRY (Spraberry)6,686 ft-4,012 ft
LOWER SPRABERRY (Spraberry)7,290 ft-4,616 ft
DEAN 8,108 ft-5,434 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)

IntervalType
6,692–6,710 ftPerforated
7,300–7,666 ftPerforated
8,110–8,292 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"535 ft425 sx
5.5"8,375 ft1,500 sx

Permit History (1)

Applications (1)

#403688 A COX, JOHN L.
received 1992-09-21

Records & Logs

3 completion filings on record · 2 with log images at RRC.

W-2/G-1 1993-01-06 log on file
W-2/G-1 1993-01-06 log on file
W-2/G-1 1993-01-12
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 REAGAN County.

Well Details

Well Number
22
Max Depth
8,400 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1992-12-18

Operator

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
15,403