42-103-32688

BLOCK 31 UNIT

CRANE County · District 8 · OXY USA INC.

Permits

6

Max Depth

9,060 ft

First Permit

1981-09-28

Latest Activity

2019-10-22

Lifespan

38 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (8) Elevation 2,592 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,852 ft-260 ft
GRAYBURG 2,957 ft-365 ft
WOLFCAMP LS (Wolfcamp)6,840 ft-4,248 ft
CISCO - PENN DETRITAL (Cisco)7,132 ft-4,540 ft
CANYON 7,423 ft-4,831 ft
UPPER STRAWN (Strawn)7,614 ft-5,022 ft
ATOKA 7,725 ft-5,133 ft
BARNETT 7,835 ft-5,243 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-103-32542 BLOCK 31 UNIT · OXY USA INC.
0.4 mi
Wolfcamp 6,814'Cisco 7,085'Canyon 7,330'Strawn 7,509'Atoka 7,611'Barnett 7,714'Woodford 8,200'Devonian 8,390'
42-103-33212 BLOCK 31 UNIT · OXY USA INC.
0.4 mi
Glorieta 4,132'Pennsylvanian 7,074'BLOCK 31 (ATOKA) 7,518'Devonian 8,206'
42-103-33026 UNIVERSITY 38 -A- · SLANT OPERATING, LLC
0.5 mi
Grayburg 2,978'Glorieta 4,202'Pennsylvanian 7,194'Barnett 7,990'Devonian 8,759'
42-103-32746 UNIVERSITY 35 · SLANT OPERATING, LLC
0.6 mi
Queen 2,865'Grayburg 2,976'Glorieta 4,214'Pennsylvanian 7,193'Strawn 7,193'Mississippian 7,923'Mississippian 7,923'Barnett 7,950'Devonian 8,635'
42-103-32997 UNIVERSITY B 38 · SLANT OPERATING, LLC
0.6 mi
Grayburg 2,960'Glorieta 4,152'Pennsylvanian 7,088'Pennsylvanian 7,090'Atoka 7,550'Barnett 7,720'Devonian 8,250'Devonian 9,495'
42-103-03055 BLOCK 31 UNIT · OXY USA INC.
0.8 mi
Wolfcamp 6,755'Pennsylvanian 7,034'Devonian 8,532'
42-103-36153 UNIVERSITY 36 B · SLANT OPERATING, LLC
0.8 mi
Pennsylvanian 7,220'Atoka 8,060'Barnett 8,272'Barnett 8,327'Devonian 8,876'
42-103-32415 BLOCK 31 UNIT · OXY USA INC.
0.8 mi
Wolfcamp 6,883'Cisco 7,188'Canyon 7,497'Strawn 7,684'Atoka 7,782'Barnett 7,923'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (3)

IntervalType
2,939–2,954 ftPerforated
7,368–7,819 ftPerforated
8,555–8,897 ftPerforated

Casing (5)

SizeSet DepthCement
8.625"3,605 ft1,300 sx
8.625"3,605 ft1,300 sx
2.875"8,449 ft
5.5"9,060 ft1,750 sx
5.5"9,060 ft1,750 sx

Records & Logs

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

W-2/G-1 2019-03-13
W-2/G-1 1998-02-25 log on file
W-2/G-1 1998-04-28
W-2/G-1 1982-02-18
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.

Lat 31.446607
Lon -102.432174

Well Details

Well Number
H 8
Max Depth
9,060 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
OXY USA INC.

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-01-26)
Cum Oil (all leases)
277,250,617 bbl
Cum Gas (all leases)
814,544,078 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
3,279