WELL · 42-371-35815 · DISTRICT 8
Tarin #1
Pecos County · T.C.I. West (Seven Rivers) field · Producing · Vertical
Tarin #1 (API 42-371-35815) is a well in Pecos County operated by N & O Oil CO., completed May 5, 1986 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 21, 1986, permitted to 3,300 ft.
It was permitted by Four C Oil & Gas Corp. and has since transferred to N & O Oil CO. on the wellbore schedule.
Completion filings report 5 formation tops, including Yates, Queen, Grayburg, San Andres.
Its lease has reported 15.6K barrels of oil and 65.8K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Four C Oil & Gas Corp.; the EWA schedule now lists a different operator.
Imperial, TX · P-5 Y, filed Jan 5, 2026 · 3 permits on file · (432) 940-0073
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | N & O Oil Co. |
| Production reports | N & O Oil Co.through Apr 2026 |
| Latest permit | Four C Oil & Gas Corp.Mar 21, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,300
- total depth, ft
- 1
- permits on file
- Mar 21, 1986
- last permit issued
- May 5, 1986
- completed
- 15.6K
- cumulative oil, bbl
- 65.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 5, 1986
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Tarin O-10-30705 | T.C.I., West (Seven Rivers) | N & O Oil Co. | 1 | 15.6K | 65.8K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 197 · prior 12 304(-35%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Four C Oil & Gas Corp.Jan 1993 → Jun 2019
- 2N & O Oil Co.Jul 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 299935-99 | Drill | Four C Oil & Gas Corp. | Mar 20, 1986 | Mar 21, 1986 | — | 3,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-30705 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,395 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,280 | 1,115 |
| Queen | 1,865 | 530 |
| Grayburg | 2,069 | 326 |
| San Andres | 2,337 | 58 |
| Glorieta | 3,054 | -659 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,479 | 1,741 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 505 | 17.5 | 651 S |
| 8.625 | 2,280 | 11 | 625 S |
| 5.5 | 3,200 | 7.875 | 175 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 | Jun 10, 1986 | May 16, 1986 | Yes |
| 00 | Jun 4, 1986 | — | — |
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 42-371-35815 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-35815 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/37135815, documented in the API reference.