WELL · 42-239-02543 · DISTRICT 2
West Ranch -A- #188
Jackson County · West Ranch (184) field · Vertical
West Ranch -A- #188 (API 42-239-02543) is a permitted well in Jackson County filed by Mobil Producing TX. & N.M. Inc.; no completion report is on file yet.
The RRC has issued one drilling permit, issued September 25, 1991, permitted to 6,320 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Mobil Oil Corporation on the wellbore schedule.
Completion filings report 6 formation tops, including Catahoula, Marginulina 5000, Frio, Gretta.
Its 2 leases have reported 6M barrels of oil and 5.71M mcf of gas since January 1993, last reporting in July 2026. The leases carry 288 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 4, 2026 · 1,487 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mobil Oil Corporation |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Sep 25, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,320
- total depth, ft
- 1
- permits on file
- Sep 25, 1991
- last permit issued
- —
- completed
- 6M
- cumulative oil, bbl
- 5.71M
- 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 2 leases this well is completed on; they carry 288 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| West Ranch -A- G-2-139852 | West Ranch (Marginulina 5000) | Hilcorp Energy Company | 1 | 0 | 65.3K | Jan 1993 – Jul 2026 |
| West Ranch -A- O-2-1656 | West Ranch (Greta) | Hilcorp Energy Company | 287 | 6M | 5.64M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 74,228 · prior 12 84,801(-12%)
Gas, mcf lease total
Last 12 months 27,020 · prior 12 53,020(-49%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Meridian Oil Production Inc.Jan 1993 → Feb 1996
- 2Meridian Oil Inc.Mar 1996 → Jul 1996
- 3Burlington Resources Oil&gas Co.Aug 1996 → Mar 1997
- 4Vintage Petroleum, Inc.Apr 1997 → Apr 2006
- 5Vintage Petroleum, LLCMay 2006 → Jul 2007
- 6Hilcorp Energy CompanyAug 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 392247-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Sep 25, 1991 | Sep 25, 1991 | Sep 11, 1991 | 6,320 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-139852 | — | — | — | — |
| — | — O-2-1656 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 35 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,956 | 4,964 | Perforated |
| 4,960 | 4,964 | Perforated |
| 4,976 | 4,982 | Perforated |
| 4,986 | 5,012 | Perforated |
| 4,986 | 5,013 | Perforated |
| 5,006 | 5,012 | Perforated |
| 5,016 | 5,039 | Perforated |
| 5,042 | 5,047 | Perforated |
| 5,076 | 5,084 | Perforated |
| 5,088 | 5,096 | Perforated |
| 5,100 | 5,104 | Perforated |
| 5,118 | 5,124 | Perforated |
| — | 5,973 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,307 | 12.25 | 528 S |
| 9.625 | 1,307 | — | — |
| 2.375 | 4,864 | — | — |
| 7 | 5,055 | 8.625 | 528 S |
| 7 | 5,055 | 9.875 | 528 S |
| 7 | 5,055 | — | — |
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 13, 2019 | Oct 19, 2017 | — |
| 00 | Jan 24, 2006 | Jun 14, 2005 | Yes |
| 00 | Jan 10, 1992 | Oct 21, 1991 | Yes |
| 00 | Nov 27, 1991 | — | — |
| 00 | Apr 22, 1988 | Feb 22, 1988 | — |
| 00 | Apr 14, 1986 | Mar 31, 1986 | — |
| 00 | Aug 26, 1985 | Jul 22, 1985 | — |
| 00 | Jan 12, 1984 | Aug 22, 1978 | — |
| 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 42-239-02543 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-239-02543 → 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/23902543, documented in the API reference.