WELL · 42-391-03387 · DISTRICT 2
Larosa Gas Unit #37
Refugio County · LA Rosa (6750 Above Gas) field · Vertical
Larosa Gas Unit #37 (API 42-391-03387) is a plugged well in Refugio County, plugged April 14, 2026, last operated by Mantle Oil & Gas LLC.
The RRC has issued 2 drilling permits between 1991 and 1995, permitted to 9,524 ft.
It was permitted by Laroco LLP and has since transferred to Mantle Oil & Gas LLC on the wellbore schedule.
Its 3 leases have reported 272K barrels of oil and 508K mcf of gas since January 1993, last reporting in July 2026. The leases carry 53 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Laroco LLP; the EWA schedule now lists a different operator.
Friendswood, TX · P-5 Y, filed Aug 4, 2025 · 36 permits on file · (281) 317-8222
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mantle Oil & Gas LLC |
| Production reports | Rising Star Energy Partners II,through Apr 2026 |
| Latest permit | Laroco LLPNov 9, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,524
- total depth, ft
- 2
- permits on file
- Nov 9, 1995
- last permit issued
- Jan 9, 1990
- completed
- 272K
- cumulative oil, bbl
- 508K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 9, 1990
- Shut in
- —
- Plugged
- Apr 14, 2026
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 53 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rooke. B.D. O-2-8019 | LA Rosa (Consolidated, Oil) | Rising Star Energy Partners II, | 41 | 272K | 507K | Nov 1994 – Jul 2026 |
| Larosa Gas Unit G-2-139484 | LA Rosa (6750, Above, Gas) | Laroco LLP | 1 | 0 | 0 | Jan 1993 – Apr 2006 |
| Rooke, B. D. O-2-2365 | LA Rosa (5900 Sand) | Laroco LLP | 11 | 251 | 1.17K | Jan 1993 – Jan 1995 |
Oil, barrels lease total
Last 12 months 4,765 · prior 12 5,082(-6%)
Gas, mcf lease total
Last 12 months 852 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Laroco LLPApr 1994 → Dec 2007
- 2Mantle Oil & Gas, LLCJan 2008 → Jul 2008
- 3Remora Management, LLCDec 2013 → Mar 2022
- 4Bent Wing Energy, LLCApr 2022 → Dec 2025
- 5Rising Star Energy Partners II,Jan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 441634-99 | Recompletion | Laroco LLP | Nov 7, 1995 | Nov 9, 1995 | Nov 10, 1995 | 5,900 |
| 389597-99 | Recompletion | Brooklyn Union Explor. Co., Inc. | Jul 3, 1991 | Jul 3, 1991 | Jan 4, 1990 | 9,524 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-139484 | — | — | — | — |
| — | — O-2-2365 | — | — | — | — |
| — | — O-2-8019 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,655 | 5,664 | Perforated |
| 5,863 | 5,873 | Perforated |
| 5,899 | 5,903 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.625 | 1,518 | — | 1,500 S |
| 13.375 | 1,520 | 18.25 | 1,500 S |
| 9.625 | 5,950 | — | 1,000 S |
| 9.625 | 5,951 | 12.25 | 1,000 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 | Mar 6, 1996 | Dec 6, 1995 | Yes |
| 00 | Dec 18, 1995 | — | — |
| 00 | Nov 21, 1991 | Jul 5, 1991 | Yes |
| 00 | Oct 11, 1991 | — | — |
| 00 | Jan 12, 1984 | Apr 10, 1969 | — |
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 42-391-03387 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-03387 → 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/39103387, documented in the API reference.