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42-383-37699

PRODUCING

HULET 166

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

Permits

1

Max Depth

10,100 ft

First Permit

2012-03-06

Latest Activity

2012-03-06

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-05-29

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 (5) Elevation 2,619 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,364 ft-4,745 ft
TOP LOWER SPRABERRY (Spraberry)7,924 ft-5,305 ft
TOP OF DEAN (Dean)8,716 ft-6,097 ft
TOP OF WOLFCAMP (Wolfcamp)8,922 ft-6,303 ft
TOP OF STRAWN (Strawn)9,480 ft-6,861 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 (4)

IntervalType
6,424–6,926 ftPerforated
7,044–7,167 ftPerforated
7,268–8,817 ftPerforated
9,482–9,538 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"727 ft320 sx
4.5"9,703 ft1,320 sx

Permit History (1)

#734520 Drill Final Completion

HULET '166' · 10,100 ft

2012-03-06

Spud 2012-04-12

Applications (1)

#734520 A PIONEER NATURAL RES. USA, INC.
received 2012-02-23

Records & Logs

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

W-2/G-1 2012-06-27 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
5
Max Depth
10,100 ft
Drill Type
Vertical
County
REAGAN
District
7
Operator
PIONEER NATURAL RES. USA INC.
Completed
2012-05-29

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