WELL · 42-105-35807 · DISTRICT 7

Shannon J. M. Estate -C- #7

N

Crockett County · Shannon (San Andres) field  · Vertical

Shannon J. M. Estate -C- #7 (API 42-105-35807) is a well in Crockett County operated by Sundown Energy LP, completed October 31, 1991.

The RRC has issued 2 drilling permits between 1990 and 2007, permitted to 2,600 ft.

Completion filings report 4 formation tops, including T/Soma, T/Queen, B/Amhydrite, T/San Andres.

Its 2 leases have reported 6.73K barrels of oil and 15 mcf of gas since January 1993, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 17.8K barrels injected in the 12 months reported through July 2025.

Operator of record

Sundown Energy LP

Dallas, TX · P-5 Y, filed May 4, 2026 · 300 permits on file · (866) 580-2434

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSundown Energy LP
Production reportsSundown Energy LPthrough Feb 2010
Latest permitSundown Energy LPJan 30, 2007
2,600
total depth, ft
2
permits on file
Jan 30, 2007
last permit issued
Oct 31, 1991
completed
6.73K
cumulative oil, bbl
15
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 31, 1991
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 2 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Shannon, J. M. Estate -C- O-9-16640ShannonClark Oil Co.100Sep 2007 – Jul 2026
Shannon, J. M., Estate -C- O-9-3502Shannon (San Andres)Sundown Energy LP66.73K15Jan 1993 – May 2012

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. 1Cox, Robert G. & Associates,inc.Jan 1993 → Mar 1993
  2. 2Hawkeye Transmission CompanyMay 1993 → Feb 2000
  3. 3Sundown Energy, Inc.Apr 2004 → Jan 2005
  4. 4Sundown Energy LPFeb 2005 → Feb 2010

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
632623-99RecompletionSundown Energy LPJan 29, 2007Jan 30, 2007Sep 20, 20072,600
372536-99DrillCox, Robert G. & Associates,inc.Apr 23, 1990Jun 8, 1990Jul 1, 19902,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-3502————
—— O-9-16640————

Formation tops

As filed on W-2/G-1. Subsea from 2,657 ft elevation.Download CSV →

FormationMD ftSubsea
T/Soma1,950707
T/Queen2,010647
B/Amhydrite2,132525
T/San Andres2,259398

Perforations

Perforated and open-hole intervals.

FromToType
2,0102,050Perforated
2,3742,438Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62585212.25400 S
5.52,4657.875250 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
00Sep 23, 2008Oct 9, 2007Yes
00Aug 25, 2008Nov 18, 1991—
00Dec 2, 1991Nov 18, 1991—
00Mar 14, 1991Feb 21, 1991—
00Mar 1, 1991——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

17.8K
bbl, last 12 reported months
209K
bbl, all reported
Jul 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000097510H-1 InjectionActive15,0001,0002,000–2,060

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 17,785 · prior 12 14,267(+25%)

01K2K20242025

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/10535807, documented in the API reference.