WELL · 42-371-35521 · DISTRICT 8
Hart #1
Pecos County · T.C.I. West (Seven Rivers) field · Vertical
Hart #1 (API 42-371-35521) is a permitted well in Pecos County filed by Four C Oil & Gas Corp.; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1985 and 1986, permitted to 2,400 ft.
It was permitted by Four C Oil & Gas Corp. and has since transferred to J.T. Oil Company on the wellbore schedule.
Completion filings report 3 formation tops, including Rustler, Yates, Queen.
Its 3 leases have reported 2.82K barrels of oil and 26.3K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Four C Oil & Gas Corp.; the EWA schedule now lists a different operator.
Monahans, TX · P-5 Y, filed Jan 5, 1998
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | J.T. Oil Company |
| Production reports | Space Production Inc.through Sep 2022 |
| Latest permit | Four C Oil & Gas Corp.Feb 24, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,400
- total depth, ft
- 3
- permits on file
- Feb 24, 1986
- last permit issued
- —
- completed
- 2.82K
- cumulative oil, bbl
- 26.3K
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hart O-10-35333 | T.C.I., West (Seven Rivers) | Space Production Inc. | 1 | 2.18K | 18.1K | Jun 1997 – Jul 2026 |
| Hart G-10-157744 | T.C.I., West (Seven Rivers) | J.T. Oil Company | 1 | 0 | 2.28K | Feb 1996 – Sep 1997 |
| Hart O-10-30569 | T.C.I., West (Seven Rivers) | Four C Oil & Gas Corp. | 1 | 641 | 5.93K | Jan 1993 – May 1996 |
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.
- 1Four C Oil & Gas Corp.Jan 1993 → Mar 1996
- 2J.T. Oil CompanyApr 1996 → May 1997
- 3Stoney's TruckingJun 1997 → Dec 2017
- 4Space Production Inc.Jan 2018 → Sep 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 298337-99 | Recompletion | Four C Oil & Gas Corp. | Feb 18, 1986 | Feb 24, 1986 | — | 2,000 |
| 286949-99 | Drill | Four C Oil & Gas Corp. | Aug 19, 1985 | Oct 4, 1985 | — | 2,000 |
| 274881-99 | Drill | Four C Oil & Gas Corp. | May 13, 1985 | May 13, 1985 | May 15, 1985 | 2,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-157744 | — | — | — | — |
| — | — O-10-30569 | — | — | — | — |
| — | — O-10-35333 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,391 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,211 | 1,739 | Perforated |
| 1,805 | 1,925 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 537 | 12.25 | 450 S |
| 5.5 | 2,000 | 7.875 | 600 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, 1997 | — | — |
| 00 | May 8, 1996 | — | — |
| 00 | Mar 20, 1986 | Feb 21, 1986 | Yes |
| 00 | Mar 19, 1986 | — | — |
| 00 | Nov 26, 1985 | Aug 30, 1985 | — |
| 00 | Aug 8, 1985 | Jul 15, 1985 | — |
| 00 | Jul 25, 1985 | — | — |
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 42-371-35521 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-35521 → 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/37135521, documented in the API reference.