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42-383-37197

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HULET 166

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

Permits

2

Max Depth

10,100 ft

First Permit

2011-02-23

Latest Activity

2011-02-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-04-30

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-09

Last Production

2026-07

Lease Production

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

Oil
production & DCA →

Formation Tops (7) Elevation 2,578 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)5,612 ft-3,034 ft
TOP LOWER SPRABERRY (Spraberry)6,153 ft-3,575 ft
TOP LOWER SPRBERRY6,153 ft-3,575 ft
TOP DEAN (Dean)7,060 ft-4,482 ft
TOP OF DEAN (Dean)7,060 ft-4,482 ft
TOP OF WOLFCAMP (Wolfcamp)7,207 ft-4,629 ft
TOP WOLFCAMP (Wolfcamp)7,207 ft-4,629 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
5,634–6,507 ftPerforated
7,111–7,175 ftPerforated
7,316–9,389 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"680 ft560 sx
4.5"9,635 ft1,430 sx

Permit History (2)

#710317 Drill

HULET "166" · 10,100 ft

2011-02-23

Spud 2011-03-30

#710317 Drill Final Completion

HULET '166' · 10,100 ft

2011-02-23

Spud 2011-03-30

Applications (2)

#710317 A PIONEER NATURAL RES. USA, INC.
received 2011-06-09
#710317 A PIONEER NATURAL RES. USA, INC.
received 2011-02-15

Records & Logs

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

W-2/G-1 2020-02-13
W-2/G-1 2013-02-13
W-2/G-1 2011-12-07
W-2/G-1 2011-10-03 log on file
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
1
Max Depth
10,100 ft
Drill Type
Vertical
County
REAGAN
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2019-04-30

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