WELL · 42-105-35237 · DISTRICT 7
Shannon-Phillips #1
Crockett County · Shannon (San Andres) field · Producing · Vertical
Shannon-Phillips #1 (API 42-105-35237) is a well in Crockett County operated by Clark Oil CO., completed April 20, 1986 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 7, 1986, permitted to 2,600 ft.
It was permitted by Cox, Robert G. & Associates,Inc. and has since transferred to Clark Oil CO. on the wellbore schedule.
Completion filings report 3 formation tops, including Queen, Grayburg, San Andres.
Its lease has reported 12.7K barrels of oil and 252 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Cox, Robert G. & Associates,inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jul 4, 2026 · (432) 290-4220
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Clark Oil Co. |
| Production reports | Clark Oil Co.through Apr 2026 |
| Latest permit | Cox, Robert G. & Associates,inc.Feb 7, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,600
- total depth, ft
- 1
- permits on file
- Feb 7, 1986
- last permit issued
- Apr 20, 1986
- completed
- 12.7K
- cumulative oil, bbl
- 252
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 20, 1986
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shannon-Phillips O-9-11913 | Shannon (San Andres) | Clark Oil Co. | 1 | 12.7K | 252 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 20 · prior 12 97(-79%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cox, Robert G. & Associates,inc.Jan 1993 → Mar 1993
- 2Hawkeye Transmission CompanyMay 1993 → Jun 2000
- 3Arkoma Prod Co of Texas, Inc.Jul 2000 → Oct 2002
- 4Sundown Energy, Inc.Nov 2002 → Apr 2004
- 5Clark Oil Co.May 2004 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 297152-99 | Drill | Cox, Robert G. & Associates,inc. | Jan 30, 1986 | Feb 7, 1986 | — | 2,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-11913 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,681 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen | 2,001 | 680 |
| Grayburg | 2,068 | 613 |
| San Andres | 2,224 | 457 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,242 | 2,452 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 922 | 11 | 300 S |
| 4.5 | 2,503 | 7.875 | 290 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 | Jun 3, 1986 | May 14, 1986 | Yes |
| 00 | May 23, 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.
- Wellbore filings for 42-105-35237 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-35237 → 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.
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/10535237, documented in the API reference.