Petrora

WELL · 42-173-31554 · DISTRICT 8

Clark L.C. Estate #1

N

Glasscock County · Saint Lawrence (Strawn) field  · Vertical

Clark L.C. Estate #1 (API 42-173-31554) is a well in Glasscock County operated by Mcclure Oil Company Inc., completed March 29, 1984.

The RRC has issued 2 drilling permits between 1984 and 2018, permitted to 11,700 ft.

Completion filings report 11 formation tops, including Rustler, Yates, Seven Rivers, San Andres.

Its 3 leases have reported 485K barrels of oil and 812K mcf of gas since January 1993, last reporting in July 2026. The leases carry 12 wells, so these are lease totals, not this well alone.

Operator of record

McClure Oil Company Inc.

Midland, TX · P-5 Y, filed Aug 4, 2025 · 343 permits on file · (432) 683-2787

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMcClure Oil Company Inc.
Production reportsMcClure Oil Company, Inc.through Apr 2026
Latest permitMcClure Oil Company, Inc.Jul 25, 2018
11,700
total depth, ft
2
permits on file
Jul 25, 2018
last permit issued
Mar 29, 1984
completed
485K
cumulative oil, bbl
812K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 29, 1984
Shut in
—
Plugged
—

Surface location

31.765013, -101.587449

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Glasscock 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 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Clark, L.C. Estate G-10-276595Saint Lawrence (Strawn)McClure Oil Company, Inc.1024.7KDec 2014 – Jul 2026
Bloodworth 39 O-10-52740Marne (Leonard)McClure Oil Company, Inc.10461K504KAug 2018 – Jul 2026
Clark, L.C. Estate O-10-29071Saint Lawrence (Strawn)COG Operating LLC124K283KJan 1993 – Jun 2016

Oil, barrels lease total

Last 12 months 18,467 · prior 12 35,991(-49%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 93,014 · prior 12 96,380(-3%)

05K10K15K202420252026

Chain of custody

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

  1. 1American Exploration CompanyJan 1993 → Oct 1997
  2. 2Dreyfus, Louis Natural Gas CorpNov 1997 → Nov 2001
  3. 3Dominion Oklahoma Texas E&P, IncDec 2001 → Nov 2006
  4. 4Samson Lone Star LPDec 2006 → Jun 2007
  5. 5Samson Lone Star, LLCJul 2007 → Dec 2010
  6. 6Three Rivers Operating Co LLCJan 2011 → Jul 2012
  7. 7COG Operating LLCAug 2012 → Nov 2016
  8. 8McClure Oil Company, Inc.Dec 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
842750-99RecompletionMcClure Oil Company, Inc.Jul 24, 2018Jul 25, 2018Feb 12, 198410,276
228940-99DrillConquest Exploration CompanyFeb 6, 1984Feb 10, 1984Feb 13, 198411,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-276595————
—— O-10-29071————
—— O-10-52740————

Formation tops

As filed on W-2/G-1. Subsea from 2,704 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,2491,455
Yates1,985719
Seven Rivers2,167537
San Andres3,212-508
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,258-554
LeonardUPPER LEONARD5,633-2,929
Spraberry6,005-3,301
Wolfcamp7,428-4,724
Dean7,790-5,086
DeanDEAN SANDSTONE7,790-5,086
Wolfcamp7,968-5,264
Strawn9,976-7,272
Strawn9,978-7,274
Mississippian10,199-7,495
Santa Rosa——

Perforations

Perforated and open-hole intervals.

FromToType
5,6555,662Perforated
5,6735,676Perforated
9,98010,031Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
2040——
13.37541017.75420 sx
9.6253,41512.25350 sx
5.56,5028.75730 S
5.510,2768.751,835 sx

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
00Jan 15, 2020Dec 27, 2018Yes
00May 8, 2015Jan 20, 2015—
00Aug 6, 1984Jul 16, 1984—
00Aug 1, 1984Jul 16, 1984—
00Jun 20, 1984Jun 6, 1984—
00Jun 15, 1984Jun 6, 1984—

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.

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 →

Bloodworth 3942-173-38035

0.2 KM · McClure Oil Company, Inc. · Section with this well →

Santa Rosa5542,150
Rustler1,2471,457
Yates1,993711
Seven Rivers2,166538
Queen2,728-24
Grayburg3,140-436
San Andres3,260-556
Glorieta4,760-2,056

10 TOPS · FIRST 8

Bloodworth 3942-173-38615

0.3 KM · McClure Oil Company, Inc. · Section with this well →

Rustler1,2941,408
Yates1,960742
Seven Rivers2,089613
Queen2,140562
Grayburg2,969-267
San Andres3,224-522
Clear Fork4,502-1,800
Leonard5,606-2,904

10 TOPS · FIRST 8

Walker 3942-173-38610

0.3 KM · McClure Oil Company, Inc. · Section with this well →

Rustler1,3241,379
Yates1,994709
Seven Rivers2,122581
Queen2,174529
Grayburg3,032-329
San Andres3,244-541
Clear Fork4,599-1,896
Spraberry6,020-3,317

10 TOPS · FIRST 8

Bloodworth 3942-173-38034

0.4 KM · McClure Oil Company, Inc. · Section with this well →

Santa Rosa6952,008
Rustler1,2611,442
Yates1,972731
Seven Rivers2,147556
Queen2,7012
Grayburg3,106-403
San Andres3,230-527
Glorieta4,741-2,038

10 TOPS · FIRST 8

Walker Bloodworth 3942-173-38387

0.5 KM · McClure Oil Company, Inc. · Section with this well →

Rustler1,2551,449
Yates2,002702
Seven Rivers2,194510
Queen2,748-44
Grayburg3,156-452
San Andres3,276-572
Glorieta4,795-2,091
Clear Fork5,288-2,584

10 TOPS · FIRST 8

Bloodworth 3942-173-38614

0.6 KM · McClure Oil Company, Inc. · Section with this well →

Rustler1,3021,401
Yates1,991712
Seven Rivers2,110593
Grayburg3,011-308
San Andres3,218-515
Clear Fork4,593-1,890
Leonard5,656-2,953
Spraberry6,019-3,316

11 TOPS · FIRST 8

Bloodworth 3942-173-38858

0.6 KM · McClure Oil Company, Inc. · Section with this well →

Rustler1,2981,402
Yates1,966734
Seven Rivers2,097603
San Andres3,188-488
Clear Fork4,532-1,832
Leonard5,615-2,915
Glorieta—
Santa Rosa—

10 TOPS · FIRST 8

Jersey 38-47-A42-173-37854

0.7 KM · Parsley Energy Operations, LLC · Section with this well →

San Andres3,154-453
Clear Fork5,493-2,792
Spraberry6,326-3,625
Grayburg—
Yates—
Queen—
Santa Rosa—
Seven Rivers—

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
—
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000127563H-1 InjectionNot activated10,0002,8185,637–6,010

TexNet catalog via USGS

Seismicity near this well

2
M2+ events within 10 km, last 2 years
M2.8
largest

A proximity count, not an attribution. How to read it →

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/17331554, documented in the API reference.