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42-173-34050

PRODUCING

CHEATHAM 31

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

Permits

1

Max Depth

10,575 ft

First Permit

2011-03-01

Latest Activity

2011-03-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-06-22

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-03

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 (6) Elevation 2,567 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP CLEARFORK (Clear Fork)5,935 ft-3,368 ft
TOP UPPER SPRABERRY (Spraberry)6,509 ft-3,942 ft
TOP LOWER SPRABERRY (Spraberry)7,418 ft-4,851 ft
TOP DEAN (Dean)7,852 ft-5,285 ft
TOP WOLFCAMP (Wolfcamp)8,027 ft-5,460 ft
TOP STRAWN (Strawn)9,968 ft-7,401 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
6,476–7,846 ftPerforated
7,986–8,134 ftPerforated
8,229–9,904 ftPerforated
9,977–10,030 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"445 ft260 sx
4.5"10,161 ft1,740 sx

Permit History (1)

#710982 Drill Final Completion

CHEATHAM '31' · 10,575 ft

2011-03-01

Spud 2011-03-19

Applications (1)

#710982 A PIONEER NATURAL RES. USA, INC.
received 2011-02-25

Records & Logs

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

W-2/G-1 2011-10-19 log on file
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
3
Max Depth
10,575 ft
Drill Type
Vertical
County
GLASSCOCK
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2011-06-22

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