WELL · 42-103-31287 · DISTRICT 8
Tubb J. B. C #13
Crane County · Sand Hills (McKnight) field · SWR-10-Well · Vertical
Tubb J. B. C #13 (API 42-103-31287) is a well in Crane County operated by Formentera Operations LLC, completed May 21, 1976 and listed as swr-10-well on the RRC schedule, shut in September 1, 2019.
The RRC has issued 2 drilling permits between 1993 and 2000, permitted to 4,739 ft.
It was permitted by Exxon Mobil Corporation and has since transferred to Formentera Operations LLC on the wellbore schedule.
Its 2 leases have reported 261K barrels of oil and 6.41M mcf of gas since January 1993, last reporting in July 2026. The leases carry 33 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Mobil Corporation; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 11, 2026
- Permits on file
- 90
- Phone
- (512) 514-5779
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Slant Operating, LLCthrough Jun 2023 |
| Latest permit | Exxon Mobil CorporationOct 18, 2000 |
- 4,739
- total depth, ft
- 2
- permits on file
- Oct 18, 2000
- last permit issued
- May 21, 1976
- completed
- 261K
- cumulative oil, bbl
- 6.41M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 21, 1976
- Shut in
- Sep 1, 2019
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 33 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb, J. B. "C" G-10-69026 | Sand Hills (McKnight) | Formentera Operations LLC | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Tubb, J. B. -C- O-10-5298 | Sand Hills (Tubb) | Formentera Operations LLC | 32 | 261K | 6.41M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Oct 2004
- 3Apache CorporationNov 2004 → Jun 2021
- 4Slant Operating, LLCJul 2021 → Jun 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 499832-99 | Recompletion | Exxon Mobil Corporation | Sep 20, 2000 | Oct 18, 2000 | Dec 6, 2000 | 4,730 |
| 417389-99 | Recompletion | Exxon Corp. | Oct 21, 1993 | Nov 24, 1993 | — | 4,729 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 21, 1976 | Tubb J. B. -C- O-10-5298 | Sand Hills (Tubb) | Formentera Operations LLC | Shut IN · shut in Sep 1, 2019 | 4,739 |
| May 21, 1976 | Tubb J. B. C G-10-69026 | Sand Hills (McKnight) | Formentera Operations LLC | SWR-10-Well · shut in Oct 1, 2000 | 4,739 |
| May 21, 1976 | Tubb J. B. -C- O-10-5298 | Sand Hills (Tubb) | Formentera Operations LLC | Not on Schedule | — |
| — | Tubb J. B. -C- O-10-18870 | Sand Hills (McKnight) | Formentera Operations LLC | Not on Schedule | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,761 | 2,894 | Perforated |
| 2,973 | 3,384 | Perforated |
| 4,244 | 4,666 | Perforated |
| — | 3,384 | Perforated |
| — | 4,666 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 605 | 13.75 | 300 S |
| 1.5 | 3,128 | — | — |
| 2.875 | 3,611 | — | — |
| 4.5 | 4,729 | 9.5 | 1,550 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 | Nov 12, 2001 | Apr 5, 2001 | — |
| 00 | Sep 24, 2001 | Jun 16, 1976 | — |
| 00 | Jan 12, 1984 | Jun 21, 1976 | — |
| 00 | Jan 12, 1984 | Jun 16, 1976 | — |
| 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 42-103-31287 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-31287 → 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/10331287, documented in the API reference.