42-173-33676

Final Completion

MILLS 37A

GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,700 ft

First Permit

2010-05-07

Latest Activity

2010-05-07

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2011-02-05

Shut-In

Plugged

2023-01-04

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-02

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 (4) Elevation 2,646 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,984 ft-4,338 ft
TOP LOWER SPRABERRY (Spraberry)7,486 ft-4,840 ft
TOP DEAN (Dean)8,302 ft-5,656 ft
TOP WOLFCAMP (Wolfcamp)8,488 ft-5,842 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
6,988–8,190 ftPerforated
8,325–8,485 ftPerforated
8,614–10,082 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"323 ft175 sx
4.5"10,274 ft735 sx

Permit History (2)

Applications (2)

#695361 A PIONEER NATURAL RES. USA, INC.
received 2010-06-21
#695361 A PIONEER NATURAL RES. USA, INC.
received 2010-05-03

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2011-03-28 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images 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 GLASSCOCK County.

Well Details

Well Number
2
Max Depth
10,700 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Completed
2011-02-05

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