TEXAS · WELLS · STARR COUNTY · API 42-427-04721 · DISTRICT 04
Montalvo N.R. #19
Starr County · Sun (D-2-B) field · Vertical
Montalvo N.R. #19 (API 42-427-04721) is a well in Starr County operated by Exxon Corp., completed October 16, 1975.
The RRC has issued 3 drilling permits between 1981 and 1991, permitted to 5,512 ft.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Houston, TX
- P-5 status
- See remarks (S)
- P-5 last filed
- Mar 15, 1999
- Permits on file
- 19,549
- Phone
- (713) 431-1125
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Exxon Corp. |
| Production reports | none |
| Latest permit | Exxon Corp.Apr 18, 1991 |
- 5,512
- total depth, ft
- 3
- permits on file
- Apr 18, 1991
- last permit issued
- Oct 16, 1975
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 16, 1975
- 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; this well is the only one on it.Why →
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 386687-99 | Recompletion | Exxon Corp. | Apr 11, 1991 | Apr 18, 1991 | Apr 29, 1991 | 5,512 |
| 272900-99 | Recompletion | Exxon Corp. | Apr 16, 1985 | Apr 23, 1985 | — | 5,512 |
| 140732-99 | Recompletion | Exxon Corp. | Nov 16, 1981 | Nov 16, 1981 | — | 5,512 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 16, 1975 | Montalvo N.R. G-4-64493 | Sun (D-2-B) | Exxon Corp. | Not on Schedule | — |
| Jan 20, 1973 | Montalvo N. R. G-4-54462 | Sun (C-2) | Exxon Corp. | Not on Schedule | — |
| Mar 1, 1971 | — G-4-50230 | Sun (H-1) | Exxon Corp. | Not on Schedule | — |
| Oct 1, 1969 | — G-4-47315 | Sun (5300) | Humble Oil & Refining Co. | Not on Schedule | — |
| Aug 27, 1966 | Montalvo N. R. O-4-3065 | Sun | Reh Energy Inc. | Not on Schedule | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,855 | 4,859 | Perforated |
| 5,103 | 5,113 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,005 | — | — |
| 8.625 | 1,018 | 12.25 | 325 S |
| 2.875 | 5,475 | — | — |
| 2.875 | 5,476 | 7.875 | 334 S |
| 2.875 | 5,488 | — | — |
| 2.875 | 5,489 | 7.875 | 334 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 | Jan 12, 1984 | Aug 12, 1977 | — |
| 00 | Jan 12, 1984 | Feb 22, 1973 | — |
| 00 | Jan 12, 1984 | Sep 19, 1966 | — |
| 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 42-427-04721 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-04721 → 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/42704721, documented in the API reference.