TEXAS · WELLS · KLEBERG COUNTY · API 42-273-30164 · DISTRICT 04
King Ranch Alazan #256
Kleberg County · Alazan North (Frio Cons.) field · Vertical
King Ranch Alazan #256 (API 42-273-30164) is a plugged well in Kleberg County, plugged September 25, 2007, last operated by Eog Resources Inc..
The RRC has issued 4 drilling permits between 1979 and 1997, permitted to 7,983 ft.
It was permitted by Exxon Corp. and has since transferred to Eog Resources Inc. on the wellbore schedule.
Its 2 leases have reported 596K barrels of oil and 738K mcf of gas since January 1993, last reporting in September 2025. The leases carry 170 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 2, 2025
- Permits on file
- 16,354
- Phone
- (713) 651-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EOG Resources Inc. |
| Production reports | EOG Resources, Inc.through Mar 2020 |
| Latest permit | Exxon Corp.Apr 28, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,983
- total depth, ft
- 4
- permits on file
- Apr 28, 1997
- last permit issued
- Sep 9, 1988
- completed
- 596K
- cumulative oil, bbl
- 738K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 9, 1988
- Shut in
- —
- Plugged
- Sep 25, 2007
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 170 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| King Ranch Alazan O-4-12743 | Alazan, North (Frio Cons.) | EOG Resources, Inc. | 42 | 340K | 620K | Jul 1997 – Sep 2025 |
| King Ranch Alazan O-4-6999 | Alazan, North (All Zones) | Exxon Corp. | 128 | 256K | 118K | Jan 1993 – Jun 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.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Dec 2012
- 3EOG Resources, Inc.Jan 2013 → Mar 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 461696-99 | Recompletion | Exxon Corp. | Apr 28, 1997 | Apr 28, 1997 | — | 6,993 |
| 295856-99 | Recompletion | Exxon Corp. | Jan 17, 1986 | Jan 20, 1986 | — | 7,983 |
| 50892-99 | Other | Exxon Corp. | Jun 5, 1979 | Jun 5, 1979 | — | 7,983 |
| 49275-99 | Other | Exxon Corp. | May 25, 1979 | May 25, 1979 | — | 7,983 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 9, 1988 | King Ranch Alazan O-4-12743 | Alazan North (Frio Cons.) | EOG Resources Inc. | Plugged | — |
| Jun 13, 1971 | King Ranch Alazan O-4-12743 | Alazan North (Frio Cons.) | EOG Resources Inc. | Plugged | — |
| Jun 13, 1971 | King Ranch Alazan O-4-12743 | Alazan North (Frio Cons.) | EOG Resources Inc. | Plugged | — |
| Jun 13, 1971 | King Ranch Alazan O-4-6999 | Alazan North (All Zones) | Exxon Corp. | Plugged | — |
| Jun 13, 1971 | King Ranch Alazan O-4-6999 | Alazan North (All Zones) | Exxon Corp. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,231 | 7,235 | Perforated |
| 7,445 | 7,462 | Perforated |
| 7,446 | 7,448 | Perforated |
| 7,455 | 7,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,050 | 11 | 530 S |
| 2.875 | 7,976 | 7.875 | 640 S |
| 2.875 | 7,976 | — | 640 S |
| — | 7,976 | — | — |
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 | Aug 17, 2005 | Mar 31, 2005 | — |
| 00 | Aug 16, 2005 | Jul 6, 1971 | — |
| 00 | Jun 1, 1998 | Jul 6, 1971 | — |
| 00 | Jun 1, 1998 | Jun 24, 1971 | — |
| 00 | Jan 12, 1984 | Jul 6, 1971 | — |
| 00 | Jan 12, 1984 | Jun 24, 1971 | — |
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 42-273-30164 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-273-30164 → 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/27330164, documented in the API reference.