WELL · 42-103-35514 · DISTRICT 8
Tubb J. B. a/C #1 #358
Crane County · Sand Hills (McKnight) field · Vertical
Tubb J. B. A/C #1 #358 (API 42-103-35514) is a well in Crane County operated by Formentera Operations LLC, completed May 21, 2008.
The RRC has issued 2 drilling permits between 2007 and 2022, permitted to 6,000 ft.
It was permitted by Slant Operating, LLC and has since transferred to Formentera Operations LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Judkins, McKnight, San Angelo, Tubb.
Its 2 leases have reported 1.27M barrels of oil and 22.7M mcf of gas since January 1993, last reporting in July 2026. The leases carry 156 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Slant Operating, LLC; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed May 4, 2026 · 90 permits on file · (844) 509-5768
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Formentera Operations LLC |
| Production reports | Formentera Operations LLCthrough Apr 2026 |
| Latest permit | Slant Operating, LLCFeb 25, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,000
- total depth, ft
- 2
- permits on file
- Feb 25, 2022
- last permit issued
- May 21, 2008
- completed
- 1.27M
- cumulative oil, bbl
- 22.7M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 21, 2008
- Shut in
- —
- Plugged
- —
Surface location
31.481996, -102.642098
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Crane County.
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 156 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-10-5264 | Sand Hills (McKnight) | Formentera Operations LLC | 154 | 1.25M | 22.5M | Jan 1993 – Jul 2026 |
| Tubb, J. B. a/C #1 O-10-57245 | Sand Hills (San Angelo, Upper) | Formentera Operations LLC | 2 | 16.8K | 223K | Apr 2022 – Jul 2026 |
Gas, mcf lease total
Last 12 months 281,033 · prior 12 266,194(+6%)
Oil, barrels lease total
Last 12 months 22,207 · prior 12 22,175(+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 → Oct 2023
- 5Formentera Operations LLCNov 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 877357-99 | Recompletion | Slant Operating, LLC | Feb 23, 2022 | Feb 25, 2022 | Apr 1, 2022 | 4,810 |
| 650700-99 | Drill | Apache Corporation | Dec 4, 2007 | Dec 11, 2007 | Apr 19, 2008 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-5264 | — | — | — | — |
| — | — O-10-57245 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,586 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Judkins | 2,701 | -115 |
| McKnight | 3,190 | -604 |
| San Angelo | 3,538 | -952 |
| Tubb | 4,291 | -1,705 |
| Wichita-AlbanyWICHITA ALBANY | 4,762 | -2,176 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,863 | 3,018 | Perforated |
| 3,243 | 3,403 | Perforated |
| 3,560 | 3,740 | Perforated |
| 4,307 | 4,497 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 617 | 11 | 300 S |
| 5.5 | 4,810 | 7.875 | 820 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 | Aug 10, 2022 | May 13, 2022 | — |
| 00 | Nov 20, 2008 | Jul 3, 2008 | Yes |
| 00 | Nov 12, 2008 | — | — |
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 42-103-35514 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-35514 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Tubb, J. B. a/C 142-103-35512
0.7 KM · Slant Operating, LLC · Section with this well →
| Yates | 1,513 | 1,075 |
| Queen | 2,260 | 328 |
| Judkins | 2,713 | -125 |
| McKnight | 3,173 | -585 |
| San Angelo | 3,532 | -944 |
| Clear Fork | 4,084 | -1,496 |
| Tubb | 4,224 | -1,636 |
| Wichita-Albany | 4,728 | -2,140 |
Tubb, J. B. a/C 142-103-35271
0.7 KM · Slant Operating, LLC · Section with this well →
| Judkins | 2,722 | -121 |
| McKnight | 3,003 | -402 |
| San Angelo | 3,561 | -960 |
JB Tubb a/C 1 TR B42-103-37058
0.9 KM · Slant Operating, LLC · Section with this well →
| Tansill | 1,336 | 1,284 |
| Yates | 1,546 | 1,074 |
| Seven Rivers | 1,747 | 873 |
| Queen | 2,283 | 337 |
| San Andres | 2,690 | -70 |
| Judkins | 2,730 | -110 |
| McKnight | 3,199 | -579 |
| Holt | 3,487 | -867 |
10 TOPS · FIRST 8
Tubb, J. B. a/C 242-103-35515
0.9 KM · Slant Operating, LLC · Section with this well →
| Judkins | 2,708 | -119 |
| McKnight | 3,186 | -597 |
| San Angelo | 3,537 | -948 |
| Tubb | 4,272 | -1,683 |
| Wichita-Albany | 4,746 | -2,157 |
Waddell TR A42-103-36980
1.2 KM · Blackbeard Operating, LLC · Section with this well →
| Rustler | 310 | 2,268 |
| Yates | 1,480 | 1,098 |
| Seven Rivers | 1,710 | 868 |
| Queen | 2,235 | 343 |
| Grayburg | 2,487 | 91 |
| San Andres | 2,690 | -112 |
| San Angelo | 3,513 | -935 |
| Clear Fork | 3,841 | -1,263 |
13 TOPS · FIRST 8
Waddell, W. N. et AL42-103-01985
1.2 KM · Burlington Res O & G Co-Midland · Section with this well →
| San Andres | 2,682 | -111 |
| Judkins | 2,837 | -266 |
| McKnight | 3,174 | -603 |
| San Angelo | 3,507 | -936 |
JB Tubb a/C 1 TR B42-103-37059
1.3 KM · Slant Operating, LLC · Section with this well →
| Tansill | 1,314 | 1,297 |
| Yates | 1,524 | 1,087 |
| Seven Rivers | 1,722 | 889 |
| Queen | 2,264 | 347 |
| San Andres | 2,667 | -56 |
| Judkins | 2,703 | -92 |
| McKnight | 3,167 | -556 |
| Holt | 3,455 | -844 |
10 TOPS · FIRST 8
Waddell TR A42-103-37178
1.3 KM · Blackbeard Operating, LLC · Section with this well →
| Rustler | 313 | 2,299 |
| Yates | 1,504 | 1,108 |
| Seven Rivers | 1,728 | 884 |
| Queen | 2,264 | 348 |
| Grayburg | 2,514 | 98 |
| San Andres | 2,717 | -105 |
| San Angelo | 3,538 | -926 |
| Clear Fork | 3,930 | -1,318 |
10 TOPS · FIRST 8
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/10335514, documented in the API reference.