42-383-33826

Final Completion

NUNN J. F. -A-

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

Permits

2

Max Depth

8,400 ft

First Permit

1987-08-21

Latest Activity

1987-08-21

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-11-03

Shut-In

Plugged

2015-12-09

!

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: TEXACO PRODUCING INC.

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 2,668 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 3,550 ft-882 ft
UPPER SPRABERRY (Spraberry)6,705 ft-4,037 ft
LOWER SPRABERRY (Spraberry)7,280 ft-4,612 ft
DEAN 8,085 ft-5,417 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 (1)

IntervalType
6,692–8,276 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"450 ft450 sx
8.625"3,540 ft1,050 sx
5.5"8,400 ft1,550 sx

Permit History (2)

Applications (2)

#334765 A TEXACO PRODUCING INC.
received 1987-09-18
#334765 A TEXACO PRODUCING INC.
received 1987-08-19

Records & Logs

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

W-2/G-1 1987-11-30 log on file
W-2/G-1 1987-11-30 log on file
W-2/G-1 1987-12-05
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
18
Max Depth
8,400 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
1987-11-03

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