TEXAS · WELLS · JACKSON COUNTY · WEST RANCH -A- LEASE · API 42-239-31190 · DISTRICT 02
West Ranch -A- #483
Jackson County · West Ranch (Marginulina 5000) field · Observation · Vertical
West Ranch -A- #483 (API 42-239-31190) is a well in Jackson County operated by Hilcorp Energy Company, completed August 1, 2017 and listed as observation on the RRC schedule, shut in February 1, 2026.
The RRC has issued 3 drilling permits between 1977 and 1989, permitted to 5,210 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Catahoula, Frio, Gretta.
Its lease has reported 26K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,458
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough May 1993 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Feb 8, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,210
- total depth, ft
- 3
- permits on file
- Feb 8, 1989
- last permit issued
- Aug 1, 2017
- completed
- 0
- cumulative oil, bbl
- 26K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 1993
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 1, 2017
- Shut in
- Feb 1, 2026
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| West Ranch -A- G-2-109076 | West Ranch (Marginulina 5000) | Hilcorp Energy Company | 1 | 0 | 26K | Jan 1993 – May 1993 |
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.
- 1Meridian Oil Production Inc.Jan 1993 → May 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 355829-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Feb 7, 1989 | Feb 8, 1989 | — | 5,104 |
| 223095-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Dec 5, 1983 | Dec 9, 1983 | — | 5,210 |
| 8913-99 | Drill | Mobil Oil Corporation | Sep 21, 1977 | Sep 21, 1977 | — | 5,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 1, 2017 | West Ranch -A- G-2-109076 | West Ranch (Marginulina 5000) | Hilcorp Energy Company | Observation · shut in Feb 1, 2026 | 5,210 |
| Aug 1, 2017 | West Ranch -A- G-2-109076 | West Ranch (Marginulina 5000) | Hilcorp Energy Company | Observation · shut in Feb 1, 2026 | 5,210 |
| Nov 13, 1980 | West Ranch -A- O-2-1656 | West Ranch (Greta) | Hilcorp Energy Company | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 11 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,927 | 4,929 | Perforated |
| 4,958 | 4,961 | Perforated |
| 4,978 | 4,982 | Perforated |
| 5,080 | 5,084 | Perforated |
| 5,083 | 5,123 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,301 | 15 | 750 S |
| 10.75 | 1,301 | 14.75 | 800 S |
| 10.75 | 1,301 | — | — |
| 2.875 | 5,054 | — | — |
| 7 | 5,104 | 9.625 | 1,190 S |
| 7 | 5,104 | — | — |
| 7 | 5,105 | 9.625 | 1,190 S |
| 7 | 5,105 | — | — |
| 7 | 5,110 | 9.875 | 1,140 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 21, 2019 | Oct 24, 2017 | — |
| 00 | May 11, 1993 | Feb 3, 1993 | — |
| 00 | Apr 12, 1991 | Oct 15, 1990 | — |
| 00 | Jun 22, 1989 | Jun 8, 1989 | Yes |
| 00 | Jul 2, 1984 | May 14, 1984 | — |
| 00 | Mar 13, 1984 | May 14, 1984 | — |
| 00 | Mar 5, 1984 | May 14, 1984 | — |
| 00 | Jan 12, 1984 | Feb 1, 1978 | — |
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 42-239-31190 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-239-31190 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/23931190, documented in the API reference.