42-173-32117

ZORA

GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA, INC.

Permits

Max Depth

11,000 ft

First Permit

1990-03-08

Latest Activity

2016-12-21

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2020-03

Operator History

Chain of Custody

D & B OPERATING, INC. 1993-1994→ PATTERSON PETROLEUM, INC. 1994-2000→ PATTERSON PETROLEUM LP 2000-2007→ BC OPERATING, INC. 2007-2012→ PPC OPERATING COMPANY LLC 2012-2016→ PIONEER NATURAL RES. USA, INC. 2016-2018

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 (9) Elevation 2,600 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	6,600 ft	-4,000 ft
TOP OF SPRABERRY (Spraberry)	6,600 ft	-4,000 ft
T/SPRABERRY	6,600 ft	-4,000 ft
DEAN	8,160 ft	-5,560 ft
T/DEAN	8,160 ft	-5,560 ft
TOP OF DEAN (Dean)	8,160 ft	-5,560 ft
TOP OF WOLFCAMP (Wolfcamp)	8,552 ft	-5,952 ft
T/WOLFCAMP	8,552 ft	-5,952 ft
WOLFCAMP	8,552 ft	-5,952 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)

Interval	Type
8,566–8,594 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	310 ft	340 sx
9.625"	3,520 ft	300 sx
7"	8,150 ft	250 sx
4.5"	8,701 ft	115 sx

Permit History (2)

#820993 Recompletion

ZORA · 8,702 ft

2016-12-21

#370692 Drill Final Completion

ZORA · 11,000 ft

1990-03-08

Spud 1990-03-20

Applications (2)

#820993 A PIONEER NATURAL RES. USA, INC.

received 2016-12-06

#370692 A BRIGHT & CO.

received 1990-03-08

Records & Logs

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

W-2/G-1 2019-06-26

W-2/G-1 2011-12-20

W-2/G-1 1990-05-01 log on file

W-2/G-1 1990-05-22

Completion packets + logs ↗ Wellbore filings ↗

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: 1
Max Depth: 11,000 ft
Drill Type: Vertical
County: GLASSCOCK
District: 8
Operator: PIONEER NATURAL RES. USA, INC.

Operator

Name: PIONEER NATURAL RES. USA, INC
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: 15,400