42-103-31268

Final Completion

BLOCK 31 UNIT

CRANE County · District 8 · OXY USA INC. · BLOCK 31 (ATOKA 7900)

Permits

3

Max Depth

9,100 ft

First Permit

1977-08-04

Latest Activity

2019-06-20

Lifespan

42 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2000-01-12

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 (5) Elevation 2,564 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 2,906 ft-342 ft
WOLFCAMP 6,804 ft-4,240 ft
PENN (Pennsylvanian)7,294 ft-4,730 ft
ATOKA 7,599 ft-5,035 ft
DEVONIAN 8,106 ft-5,542 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
42-103-31977 BLOCK 31 UNIT · OXY USA INC.
0.1 mi
Grayburg 2,876'Glorieta 4,100'Pennsylvanian 7,288'Barnett 7,643'Woodford 7,931'Devonian 8,105'Devonian 8,109'
42-103-32039 BLOCK 31 UNIT · OXY USA INC.
0.4 mi
Wolfcamp 6,761'Cisco 7,131'Canyon 7,349'Strawn 7,506'Barnett 7,529'Atoka 7,609'
42-103-33479 BLOCK 31 UNIT · OXY USA INC.
0.6 mi
Grayburg 2,953'Grayburg 3,066'Cisco 7,064'Cisco 7,064'Canyon 7,264'Strawn 7,427'Atoka 7,515'Barnett 7,599'Barnett 7,600'Atoka 7,753'Woodford 7,906'Devonian 8,097'
42-103-32485 BLOCK 31 UNIT · OXY USA INC.
0.7 mi
Grayburg 2,990'Glorieta 4,183'Pennsylvanian 7,165'Atoka 7,220'MISSISSIPIAN 7,868'Devonian 8,599'
42-103-32857 BLOCK 31 UNIT · OXY USA INC.
0.7 mi
Grayburg 2,901'Grayburg 3,066'Glorieta 4,115'Pennsylvanian 7,071'Barnett 7,518'Atoka 7,753'Devonian 8,000'
42-103-32080 BLOCK 31 UNIT · OXY USA INC.
0.7 mi
CICSO 7,167'Strawn 7,527'Morrow 7,757'
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'
42-103-34231 BLOCK 31 UNIT · OXY USA INC.
0.9 mi
Cisco 7,162'Canyon 7,388'Strawn 7,549'Atoka 7,712'Barnett 7,768'Mississippian 8,089'Woodford 8,110'Devonian 8,277'Devonian 8,280'

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 (4)

IntervalType
7,462–7,467 ftPerforated
7,462–7,646 ftPerforated
7,627–7,646 ftPerforated
8,644–8,954 ftPerforated

Casing (4)

SizeSet DepthCement
8.625"2,550 ft800 sx
8.625"2,550 ft800 sx
5.5"9,000 ft1,425 sx
5.5"9,000 ft1,425 sx

Permit History (3)

Applications (3)

#851804 A OXY USA INC.
received 2019-04-04
#489493 A ARCO PERMIAN
received 1999-11-15
#4632 A ATLANTIC RICHFIELD CO.
received 1977-08-04

Records & Logs

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

W-2/G-1 2019-06-26
W-2/G-1 2000-03-09
W-2/G-1 2000-01-24 log on file
W-2/G-1 2000-03-14
W-2/G-1 1976-05-21
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 31.460752
Lon -102.443703

Well Details

Well Number
P 8
Max Depth
9,100 ft
Drill Type
Vertical
County
CRANE
District
8
Operator
OXY USA INC.
Completed
2000-01-12

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