WELL · 42-103-35171 · DISTRICT 8
Tubb J. B. a/C 1 #300
Crane County · Sand Hills (Judkins) field · Shut IN · Vertical
Tubb J. B. A/C 1 #300 (API 42-103-35171) is a well in Crane County operated by Formentera Operations LLC, completed December 20, 2005 and listed as shut in on the RRC schedule, shut in November 1, 2020.
The RRC has issued one drilling permit, issued October 26, 2005, permitted to 3,720 ft.
It was permitted by Apache Corporation and has since transferred to Formentera Operations LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Judkins, McKnight, San Angelo.
Its lease has reported 170K barrels of oil and 4.55M mcf of gas since January 1993, last reporting in July 2026. The lease carries 72 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Apache 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 | Formentera Operations LLC |
| Production reports | Formentera Operations LLCthrough Apr 2026 |
| Latest permit | Apache CorporationOct 26, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,720
- total depth, ft
- 1
- permits on file
- Oct 26, 2005
- last permit issued
- Dec 20, 2005
- completed
- 170K
- cumulative oil, bbl
- 4.55M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 20, 2005
- Shut in
- Nov 1, 2020
- 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 lease this well is completed on; they carry 72 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb, J. B., a/C 1 O-10-15315 | Sand Hills (Judkins) | Formentera Operations LLC | 72 | 170K | 4.55M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 9,829 · prior 12 12,708(-23%)
Oil, barrels lease total
Last 12 months 544 · prior 12 2,174(-75%)
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 → Oct 2023
- 5Formentera Operations LLCNov 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 608518-99 | Drill | Apache Corporation | Oct 26, 2005 | Oct 26, 2005 | Nov 14, 2005 | 4,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 20, 2005 | Tubb J. B. a/C 1 O-10-15315 | Sand Hills (Judkins) | Formentera Operations LLC | Shut IN · shut in Nov 1, 2020 | 3,720 |
Formation tops
As filed on W-2/G-1. Subsea from 2,583 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Judkins | 2,672 | -89 |
| McKnight | 3,154 | -571 |
| San Angelo | 3,500 | -917 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,728 | 3,097 | Perforated |
| 3,204 | 3,384 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 603 | 11 | 300 S |
| 5.5 | 3,720 | 7.875 | 780 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 | Jul 28, 2006 | Jan 4, 2006 | Yes |
| 00 | Mar 22, 2006 | — | — |
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 42-103-35171 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-35171 → 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/10335171, documented in the API reference.