WELL · 42-355-34070 · DISTRICT 4
Flinn #21
Nueces County · Clara Driscoll South (5900) field · Producing · Vertical
Flinn #21 (API 42-355-34070) is a well in Nueces County operated by Hugoton Operating Company Inc., completed August 1, 2013 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 18, 2012, permitted to 6,700 ft.
It was permitted by Western Gulf Oil & Gas, LLC and has since transferred to Hugoton Operating Company Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Massive Catahoula, Sinton, O'Brien.
Its lease has reported 15.6K barrels of oil and 88.7K mcf of gas since August 2013, last reporting in July 2026.
Operator of record
Hugoton Operating Company Inc.
Permitted by Western Gulf Oil & Gas, LLC; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Sep 4, 2025 · 1 permits on file · (214) 215-3940
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hugoton Operating Company Inc. |
| Production reports | Hugoton Operating Company, Inc.through Mar 2025 |
| Latest permit | Western Gulf Oil & Gas, LLCDec 18, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,700
- total depth, ft
- 1
- permits on file
- Dec 18, 2012
- last permit issued
- Aug 1, 2013
- completed
- 15.6K
- cumulative oil, bbl
- 88.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 1, 2013
- 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 |
|---|---|---|---|---|---|---|
| Flinn O-4-13785 | Clara Driscoll, South (5900) | Hugoton Operating Company, Inc. | 1 | 15.6K | 88.7K | Aug 2013 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Oil, barrels lease total
Last 12 months 0 · prior 12 22(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sue-Ann Operating, L.C.Aug 2013 → May 2017
- 2Hugoton Operating Company, Inc.Jun 2017 → Mar 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 753261-99 | Drill | Western Gulf Oil & Gas, LLC | Dec 14, 2012 | Dec 18, 2012 | Mar 23, 2013 | 6,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-13785 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 63 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Catahoula | 3,870 | -3,807 |
| Sinton | 5,053 | -4,990 |
| O'Brien | 5,980 | -5,917 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,980 | 5,990 | Perforated |
| 5,998 | 6,010 | Perforated |
| 6,020 | 6,032 | Perforated |
| 6,046 | 6,056 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,003 | 12.25 | 400 S |
| 4.5 | 6,458 | 7.875 | 717 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 | Oct 18, 2013 | Aug 14, 2013 | Yes |
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 42-355-34070 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-34070 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/35534070, documented in the API reference.