WELL · 42-105-36443 · DISTRICT 7

Riggs "21" #1

N

Crockett County  · Horizontal

Riggs "21" #1 (API 42-105-36443) is a permitted horizontal well in Crockett County filed by Sonat Exploration CO. - Midland; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1991 and 1997, permitted to 9,300 ft.

Completion filings report 2 formation tops, including Canyon, Strawn.

Operator of record

Sonat Exploration Co. - Midland

Houston, TX · P-5 Y, filed Sep 30, 1999 · 122 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsChesapeake Operating, Inc.through Apr 2008
Latest permitSonat Exploration Co. - MidlandJul 25, 1997
9,300
total depth, ft
3
permits on file
Jul 25, 1997
last permit issued
—
completed
0
cumulative oil, bbl
534K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1994 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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
Riggs "21" G-9-149397Joe T (Strawn)Red Stag Operating, LLC10534KApr 1994 – Jul 2026

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. 1Chisos Operating, Inc.Apr 1994 → Apr 1996
  2. 2Sonat Exploration Co. - MidlandMay 1996 → Mar 1999
  3. 3Rising Star Energy, L.L.C.Apr 1999 → Feb 2000
  4. 4Ricks Exploration, Inc.Mar 2000 → Dec 2003
  5. 5Concho Exploration IncJan 2004 → Mar 2004
  6. 6Chesapeake Operating, Inc.Apr 2004 → Apr 2008

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
465471-99RecompletionSonat Exploration Co. - MidlandJul 25, 1997Jul 25, 1997—9,300
419085-99DrillChisos Operating, Inc.Dec 7, 1993Dec 15, 1993Mar 21, 19949,300
382800-99DrillChisos Operating, Inc.Dec 27, 1990Jan 3, 1991—9,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-149397————

Formation tops

As filed on W-2/G-1. Subsea from 2,277 ft elevation.Download CSV →

FormationMD ftSubsea
CanyonUPPER CANYON7,517-5,240
CanyonLOWER CANYON8,286-6,009
Strawn8,914-6,637

Perforations

Perforated and open-hole intervals.

FromToType
8,9178,925Perforated
8,9288,936Perforated
8,9759,005Perforated
9,0479,061Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,25011425 S
5.59,2827.875485 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
00Jun 30, 1994May 11, 1994Yes
00Jun 6, 1994——

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.

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/10536443, documented in the API reference.