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42-025-33586

Final Completion Horizontal

TOMASEK GAS UNIT

BEE County · District 2 · PIONEER NATURAL RES. USA INC. · PAWNEE (EDWARDS)

Permits

1

Max Depth

17,000 ft

First Permit

2008-06-13

Latest Activity

2008-06-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-09-30

Shut-In

—

Plugged

2017-10-03

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-09

Last Production

2017-10

Lease Production

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

Gas
production & DCA →

Formation Tops (3) Elevation 329 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
EDWARDS 1,358 ft-1,029 ft
AUSTIN CHALK 13,444 ft-13,115 ft
EAGLE FORD 13,592 ft-13,263 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
13,762–13,764 ftPerforated
14,463–14,465 ftPerforated
15,230–15,232 ftPerforated
16,002–16,004 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"3,800 ft1,370 sx
5.5"13,661 ft500 sx

Permit History (1)

#662989 Drill Final Completion

TOMASEK GAS UNIT · 17,000 ft

2008-06-13

Spud 2008-07-13

Applications (1)

#662989 A PIONEER NATURAL RES. USA, INC.
received 2008-05-27

Records & Logs

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

W-2/G-1 2008-10-16 log on file
W-2/G-1 2008-12-04
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 BEE County.

Well Details

Well Number
12
Max Depth
17,000 ft
Drill Type
Horizontal
County
BEE
District
2
Operator
PIONEER NATURAL RES. USA INC.
Completed
2008-09-30

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
15,399