42-383-35579

Final Completion

MERCHANT UNIT

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

Permits

1

Max Depth

8,410 ft

First Permit

2005-06-08

Latest Activity

2005-06-08

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2019-05-10

Shut-In

Plugged

2019-10-08

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (7) Elevation 2,660 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP OF UPPER SPRABERRY (Spraberry)6,530 ft-3,870 ft
UPPER SPRABERRY (Spraberry)6,530 ft-3,870 ft
LOWER SPRABERRY (Spraberry)7,096 ft-4,436 ft
TOP OF LOWER SPRABERRY (Spraberry)7,096 ft-4,436 ft
DEAN 7,933 ft-5,273 ft
TOP OF DEAN (Dean)7,933 ft-5,273 ft
BASE OF DEAN (Dean)8,127 ft-5,467 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
6,549–6,709 ftPerforated
7,133–7,353 ftPerforated
7,968–8,121 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"439 ft250 sx
4.5"8,295 ft620 sx

Permit History (1)

Applications (1)

#601774 A PIONEER NATURAL RES. USA, INC.
received 2005-06-08

Records & Logs

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

W-2/G-1 2019-06-20
W-2/G-1 2005-11-09 log on file
W-2/G-1 2005-11-29
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
4111K
Max Depth
8,410 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
2019-05-10

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
15,401