WELL · 42-205-30166 · DISTRICT 10

Lathem Family Unit B #1

Plugged

Hartley County · Lathem (Canyon Granite Wash) field  · Vertical

Lathem Family Unit B #1 (API 42-205-30166) is a plugged well in Hartley County, plugged August 18, 2011, last operated by Rio Petroleum Inc..

The RRC has issued one drilling permit (amended once), issued October 3, 1985, permitted to 6,700 ft.

It was permitted by Exxon Corp. and has since transferred to Rio Petroleum Inc. on the wellbore schedule.

Completion filings report 4 formation tops, including Wolfcamp, Virgil, Missouri, Granite Wash.

Its lease has reported 74.7K barrels of oil and 22 mcf of gas since January 1993, last reporting in February 2013.

Operator of record

Rio Petroleum Inc.

Permitted by Exxon Corp.; the EWA schedule now lists a different operator.

Amarillo, TX · P-5 Y, filed Jul 4, 2026 · 128 permits on file · (806) 290-4855

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRio Petroleum Inc.
Production reportsRio Petroleum, Inc.through Jan 2012
Latest permitExxon Corp.Oct 3, 1985

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

6,700
total depth, ft
2
permits on file
Oct 3, 1985
last permit issued
May 17, 2005
completed
74.7K
cumulative oil, bbl
22
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2013

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 17, 2005
Shut in
—
Plugged
Aug 18, 2011

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Lathem Family Unit "B" O-14-6237Lathem (Canyon Granite Wash)Rio Petroleum, Inc.174.7K22Jan 1993 – Feb 2013

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Exxon Corp.Jan 1993 → Mar 2000
  2. 2Exxon Mobil CorporationApr 2000 → Mar 2005
  3. 3Rio Petroleum, Inc.Jan 2012 → Jan 2012

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
286601-98DrillExxon Corp.Aug 1, 1997Oct 3, 1985—6,700
286601-99DrillExxon Corp.Oct 2, 1985Oct 3, 1985Oct 27, 19856,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-14-6237————

Formation tops

As filed on W-2/G-1. Subsea from 3,938 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp3,737201
Virgil4,577-639
Missouri5,730-1,792
Granite Wash6,374-2,436

Perforations

Perforated and open-hole intervals.

FromToType
6,3746,378Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37570317.5620 S
8.6252,71512.251,135 S
5.56,4957.875220 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
00Aug 17, 2006Mar 8, 2006—
00Jan 9, 1986Dec 23, 1985Yes
00Jan 2, 1986Dec 23, 1985Yes
00Jan 1, 1986——

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). then paste it into their search.

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/20530166, documented in the API reference.