WELL · 42-105-03019 · DISTRICT 7
Shannon Estate 'B' #23
Crockett County · Vertical
Shannon Estate 'B' #23 (API 42-105-03019) is a former disposal or injection well in Crockett County, last operated by Sundown Energy LP; its UIC permit is no longer active.
The RRC has issued 2 drilling permits between 1980 and 2012, permitted to 2,450 ft.
Completion filings report one formation top, including San Andres.
Its lease has reported 945K barrels of oil and 22 mcf of gas since January 1993, last reporting in July 2026. The lease carries 57 wells, so these are lease totals, not this well alone.
Operator of record
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 schedule | none |
| Production reports | Clark Oil Co.through Apr 2026 |
| Latest permit | Sundown Energy LPJul 31, 2012 |
- 2,450
- total depth, ft
- 2
- permits on file
- Jul 31, 2012
- last permit issued
- —
- completed
- 945K
- cumulative oil, bbl
- 22
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 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; they carry 57 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shannon Estate -B- O-9-1277 | Shannon (San Andres) | Clark Oil Co. | 57 | 945K | 22 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 20,735 · prior 12 25,630(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Energy Production CorporationJan 1993 → Nov 2002
- 2Zephyr Lone Star Oper Co.,l.l.c.Dec 2002 → Dec 2002
- 3Sundown Energy, Inc.Jan 2003 → Jan 2005
- 4Sundown Energy LPFeb 2005 → Jun 2017
- 5Clark Oil Co.Jul 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 743216-99 | Reenter | Sundown Energy LP | Jun 20, 2012 | Jul 31, 2012 | — | 2,270 |
| 79909-99 | Other | Sun Expl. & Prod. Co.-Midland | Apr 9, 1980 | Apr 9, 1980 | — | 2,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-1277 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,461 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 1,983 | 478 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,030 | 2,070 | Perforated |
| 2,030 | 2,186 | Perforated |
| 2,080 | 2,186 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 623 | — | 250 S |
| 9.625 | 624 | 12.25 | 250 S |
| 2.375 | 2,239 | — | — |
| 7 | 2,270 | 7.875 | 420 S |
| 7 | 2,270 | — | 420 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 5, 1985 | Nov 15, 1985 | — |
| 00 | May 29, 1985 | May 14, 1985 | — |
| 00 | Jan 12, 1984 | Jul 31, 1980 | — |
| 00 | Jan 12, 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.
- Wellbore filings for 42-105-03019 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-03019 → scanned completion filings
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
- 0
- bbl, last 12 reported months
- 170
- bbl, all reported
- Jul 2001
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000055271 | H-1 Injection | Plugged Feb 27, 2001 | 6,000 | 1,000 | 2,030–2,186 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/10503019, documented in the API reference.