WELL · 42-103-10548 · DISTRICT 8

Block 31 Unit #N 1N

N

Crane County · Block 31 (Atoka 7900) field  · Vertical

Block 31 Unit #N 1N (API 42-103-10548) is a well in Crane County operated by Oxy USA Inc., completed November 11, 1999.

The RRC has issued 2 drilling permits between 1999 and 2019, permitted to 9,100 ft.

Completion filings report 4 formation tops, including Grayburg, Wolfcamp, Pennsylvanian, Atoka.

Its 3 leases have reported 16.1M barrels of oil and 976M mcf of gas since January 1993, last reporting in July 2026. The leases carry 368 wells, so these are lease totals, not this well alone.

Operator of record

OXY USA Inc.

Houston, TX · P-5 Y, filed Dec 4, 2025 · 3,316 permits on file · (713) 215-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOXY USA Inc.
Production reportsOXY USA Inc.through Apr 2026
Latest permitOXY USA Inc.Apr 5, 2019
9,100
total depth, ft
2
permits on file
Apr 5, 2019
last permit issued
Nov 11, 1999
completed
16.1M
cumulative oil, bbl
976M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 11, 1999
Shut in
—
Plugged
—

Surface location

31.478977, -102.468684

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Crane County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 368 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Block 31 Unit O-10-442Block 31 (Devonian)OXY USA EOR, LLC33015.2M971MJan 1993 – Jul 2026
Block 31 Unit O-10-51135Block 31 (Penn. 7620)Hilcorp Energy Company28562K2.82MDec 2017 – Jul 2026
Block 31 Unit O-10-36151Block 31 (Atoka 7900)OXY USA Inc.10339K2.33MSep 1999 – Sep 2023

Gas, mcf lease total

Last 12 months 4,496,947 · prior 12 5,585,353(-19%)

0500K1M202420252026

Oil, barrels lease total

Last 12 months 64,837 · prior 12 93,974(-31%)

05K10K15K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Arco Oil & Gas Co.Jan 1993 → May 1994
  2. 2Arco PermianJun 1994 → Dec 2001
  3. 3BP America Production CompanyJan 2002 → Oct 2010
  4. 4OXY USA Inc.Nov 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
851798-99Field transferOXY USA Inc.Apr 4, 2019Apr 5, 2019—9,100
489770-99RecompletionArco PermianNov 23, 1999Nov 24, 1999Nov 8, 19999,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-442————
—— O-10-36151————
—— O-10-51135————

Formation tops

As filed on W-2/G-1. Subsea from 2,580 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg3,066-486
Wolfcamp6,938-4,358
PennsylvanianPENN7,287-4,707
Atoka7,753-5,173

Perforations

Perforated and open-hole intervals.

FromToType
7,7677,787Perforated
7,7697,787Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.75402——
11.7541617350 S
8.6253,597——
8.6253,612112,060 S
2.3758,536——
5.59,085——
5.59,1007.875600 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 15, 2019Jun 27, 2019—
00May 9, 2001Mar 7, 2001—
00Mar 28, 2000Nov 23, 1999—
00Feb 10, 2000——
00Jan 12, 1984Jun 24, 1965—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Block 31 Unit42-103-33163

0.6 KM · OXY USA Inc. · Section with this well →

Grayburg3,066-481
Glorieta4,246-1,661
Pennsylvanian7,290-4,705
Atoka7,753-5,168
Devonian8,816-6,231

Block 31 Unit42-103-30773

1.2 KM · Hilcorp Energy Company · Section with this well →

Barnett7,843-5,258
Woodford8,235-5,650
Devonian8,429-5,844

Block 31 Unit42-103-31285

1.7 KM · OXY USA Inc. · Section with this well →

Grayburg2,907-336
Glorieta4,099-1,528
Glorieta4,099-1,528
Pennsylvanian7,293-4,722
Pennsylvanian7,293-4,722
Atoka7,609-5,038
Devonian8,210-5,639

Block 31 Unit42-103-32143

2.0 KM · OXY USA Inc. · Section with this well →

Wolfcamp6,911-4,356
Cisco7,159-4,604
Cisco7,159-4,604
Cisco7,159-4,604
Canyon7,290-4,735
Strawn7,453-4,898
Barnett7,613-5,058
Osage (Miss Lime)8,119-5,564

11 TOPS · FIRST 8

Block 31 Unit42-103-33583

2.1 KM · OXY USA Inc. · Section with this well →

Wolfcamp6,879-4,299
Pennsylvanian7,194-4,614
Cisco7,390-4,810
Atoka7,740-5,160
Barnett7,797-5,217
Woodford8,120-5,540
Devonian8,326-5,746

Block 31 Unit42-103-33943

2.4 KM · OXY USA Inc. · Section with this well →

Canyon7,350-4,763
Strawn7,534-4,947
Atoka7,647-5,060
Barnett7,764-5,177
Barnett7,772-5,185
Mississippian8,062-5,475
Woodford8,080-5,493
Devonian8,257-5,670

Block 31 Unit42-103-33479

2.4 KM · OXY USA Inc. · Section with this well →

Grayburg2,953-387
Cisco7,064-4,498
Cisco7,064-4,498
Canyon7,264-4,698
Strawn7,427-4,861
Atoka7,515-4,949
Barnett7,599-5,033
Woodford7,906-5,340

9 TOPS · FIRST 8

Block 31 Unit42-103-32632

2.4 KM · OXY USA Inc. · Section with this well →

Grayburg3,074-524
Glorieta4,232-1,682
Pennsylvanian7,202-4,652
Atoka7,672-5,122
Devonian8,561-6,011

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/10310548, documented in the API reference.