WELL · 42-355-30646 · DISTRICT 4
Estell Mary King #538
Nueces County · Richard King (5280) field · Vertical
Estell Mary King #538 (API 42-355-30646) is a permitted well in Nueces County filed by Synergy Oil & Gas, Inc. (A); no completion report is on file yet.
The RRC has issued one drilling permit, issued September 15, 1997, permitted to 5,712 ft.
It was permitted by Synergy Oil & Gas, Inc. (A) and has since transferred to Durango Resources Corp. on the wellbore schedule.
Its 3 leases have reported 6.5K barrels of oil and 4.98K 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.
Operator of record
Permitted by Synergy Oil & Gas, Inc. (A); the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 1, 2026
- Permits on file
- 18
- Phone
- (281) 558-7998
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Durango Resources Corp. |
| Production reports | Durango Resources Corp.through Jan 2005 |
| Latest permit | Synergy Oil & Gas, Inc. (A)Sep 15, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,712
- total depth, ft
- 1
- permits on file
- Sep 15, 1997
- last permit issued
- —
- completed
- 6.5K
- cumulative oil, bbl
- 4.98K
- 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 3 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| King, Richard O-4-13497 | Richard King (Frio Cons.) | Durango Resources Corp. | 2 | 0 | 0 | Nov 2008 – Jul 2026 |
| King, Richard O-4-9941 | Captain Lucey (4950 Sand) | Durango Resources Corp. | 3 | 918 | 0 | Jan 1993 – Feb 2012 |
| King, Richard O-4-8715 | Richard King (5230) | Synergy Oil & Gas, Inc. (A) | 2 | 5.58K | 4.98K | Jan 1993 – Jul 1998 |
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.
- 1Kamlok Oil & Gas, Inc.Jan 1993 → Aug 1995
- 2Synergy Production CompanySep 1995 → Jan 1996
- 3Synergy Oil & Gas, Inc. (A)Feb 1996 → Sep 2000
- 4Durango Resources Corp.Dec 2003 → Jan 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 467572-99 | Recompletion | Synergy Oil & Gas, Inc. (A) | Sep 15, 1997 | Sep 15, 1997 | Oct 20, 1997 | 5,712 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-8715 | — | — | — | — |
| — | — O-4-9941 | — | — | — | — |
| — | — O-4-13497 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,037 | 5,058 | Perforated |
| — | 5,238 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,145 | 12.25 | 450 S |
| 4.5 | 5,680 | 7.625 | 475 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 | Nov 14, 2008 | Nov 20, 1997 | Yes |
| 00 | May 6, 1998 | Nov 20, 1997 | Yes |
| 00 | Apr 23, 1998 | Jan 5, 1977 | — |
| 00 | Jan 12, 1984 | Jan 5, 1977 | — |
| 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 42-355-30646 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-30646 → 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/35530646, documented in the API reference.