WELL · 42-103-36978 · DISTRICT 8
Tubb J.B. -C- #40
Crane County · Sand Hills (Wolfcamp) field · Vertical
Tubb J.B. -C- #40 (API 42-103-36978) is a well in Crane County operated by Slant Operating LLC, completed April 29, 2022.
The RRC has issued 2 drilling permits in 2022, permitted to 5,890 ft.
Completion filings report 10 formation tops, including Rustler, Yates, Seven Rivers, Queen.
Its 2 leases have reported 69.8K barrels of oil and 802K mcf of gas since March 2022, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Lafayette, LA · P-5 Y, filed Oct 4, 2025 · 194 permits on file · (337) 534-0135
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Slant Operating LLC |
| Production reports | Formentera Operations LLCthrough Apr 2026 |
| Latest permit | Slant Operating, LLCOct 21, 2022 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,890
- total depth, ft
- 2
- permits on file
- Oct 21, 2022
- last permit issued
- Apr 29, 2022
- completed
- 69.8K
- cumulative oil, bbl
- 802K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 29, 2022
- Shut in
- —
- Plugged
- —
Surface location
31.487526, -102.619962
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb, J. B. -C- O-10-57131 | Sand Hills (San Angelo, Upper) | Formentera Operations LLC | 4 | 67.4K | 778K | Mar 2022 – Jul 2026 |
| Tubb, J.B. -C- O-10-57577 | Sand Hills (Wolfcamp) | Slant Operating, LLC | 1 | 2.36K | 23.9K | Apr 2022 – Apr 2023 |
Gas, mcf lease total
Last 12 months 104,343 · prior 12 104,243(+0%)
Oil, barrels lease total
Last 12 months 7,601 · prior 12 10,214(-26%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Slant Operating, LLCMar 2022 → Oct 2023
- 2Formentera Operations LLCNov 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 884688-99 | Recompletion | Slant Operating, LLC | Oct 6, 2022 | Oct 21, 2022 | Oct 5, 2022 | 5,890 |
| 877705-99 | Drill | Slant Operating, LLC | Mar 4, 2022 | Mar 16, 2022 | Apr 7, 2022 | 5,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-57131 | — | — | — | — |
| — | — O-10-57577 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,595 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 356 | 2,239 |
| Yates | 1,457 | 1,138 |
| Seven Rivers | 1,655 | 940 |
| Queen | 2,207 | 388 |
| GrayburgGRAYBURG - ACTIVE CO2 FLOOD | 2,486 | 109 |
| San AndresSAN ANDRES - USABLE QUALITY WATE | 2,685 | -90 |
| San Angelo | 3,440 | -845 |
| Glorieta | 3,505 | -910 |
| Clear ForkCLEARFORK | 3,820 | -1,225 |
| Permian (undifferentiated)PERMIAN GENERAL | — | — |
| San Angelo | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,506 | 3,732 | Perforated |
| 4,539 | 4,659 | Perforated |
| 5,528 | 5,618 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 600 | 12.25 | 344 S |
| 5.5 | 5,894 | 7.875 | 900 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 | Dec 1, 2023 | Oct 16, 2023 | Yes |
| 00 | Mar 29, 2023 | Jan 16, 2023 | — |
| 00 | Oct 6, 2022 | Jul 31, 2022 | Yes |
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 42-103-36978 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-36978 → 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. -C-42-103-37198
0.3 KM · Slant Operating, LLC · Section with this well →
| Rustler | 420 | 2,180 |
| Yates | 1,447 | 1,153 |
| Seven Rivers | 1,679 | 921 |
| Queen | 2,193 | 407 |
| Grayburg | 2,320 | 280 |
| San Andres | 2,670 | -70 |
| San Angelo | 3,477 | -877 |
| Clear Fork | 4,016 | -1,416 |
10 TOPS · FIRST 8
Tubb, J. B. -C-42-103-37206
0.3 KM · Slant Operating, LLC · Section with this well →
| Tansill | 1,284 | 1,328 |
| Yates | 1,530 | 1,082 |
| Seven Rivers | 1,689 | 923 |
| Queen | 2,233 | 379 |
| San Andres | 2,659 | -47 |
| Judkins | 2,686 | -74 |
| McKnight | 3,133 | -521 |
| Holt | 3,424 | -812 |
10 TOPS · FIRST 8
Tubb, J. B. -C-42-103-37005
0.5 KM · Slant Operating, LLC · Section with this well →
| Rustler | 423 | 2,152 |
| Yates | 1,474 | 1,101 |
| Seven Rivers | 1,713 | 862 |
| Queen | 2,229 | 346 |
| Grayburg | 2,363 | 212 |
| San Andres | 2,700 | -125 |
| San Angelo | 3,400 | -825 |
| Glorieta | 3,526 | -951 |
10 TOPS · FIRST 8
Tubb, J. B. -C-42-103-37040
0.5 KM · Slant Operating, LLC · Section with this well →
| Tansill | 1,287 | 1,312 |
| Yates | 1,530 | 1,069 |
| Seven Rivers | 1,691 | 908 |
| Queen | 2,230 | 369 |
| Judkins | 2,679 | -80 |
| McKnight | 3,133 | -534 |
| Holt | 3,419 | -820 |
| San Andres | — |
10 TOPS · FIRST 8
Tubb, J. B. -C-42-103-37196
0.5 KM · Slant Operating, LLC · Section with this well →
| Tansill | 1,285 | 1,321 |
| Yates | 1,491 | 1,115 |
| Seven Rivers | 1,691 | 915 |
| Queen | 2,237 | 369 |
| San Andres | 2,596 | 10 |
| Judkins | 2,673 | -67 |
| McKnight | 3,125 | -519 |
| Holt | 3,418 | -812 |
10 TOPS · FIRST 8
Tubb, J.B. 'C'42-103-35850
0.6 KM · Slant Operating, LLC · Section with this well →
| Yates | 1,446 | 1,166 |
| Grayburg | 2,480 | 132 |
| San Angelo | 3,449 | -837 |
| Wichita-Albany | 4,685 | -2,073 |
| Whichta Albany | 4,685 | -2,073 |
| Ellenburger | 5,714 | -3,102 |
Tubb, J.B. 'C'42-103-35969
0.6 KM · Slant Operating, LLC · Section with this well →
| Yates | 1,446 | 1,170 |
| Grayburg | 2,480 | 136 |
| San Angelo | 3,449 | -833 |
| Clear Fork | 3,831 | -1,215 |
| Ellenburger | 5,713 | -3,097 |
Tubb, J. B. -C-42-103-37039
0.6 KM · Slant Operating, LLC · Section with this well →
| Rustler | 361 | 2,236 |
| Yates | 1,450 | 1,147 |
| Seven Rivers | 1,682 | 915 |
| Queen | 2,203 | 394 |
| Grayburg | 2,336 | 261 |
| San Andres | 2,697 | -100 |
| Glorieta | 3,491 | -894 |
| San Angelo | 3,519 | -922 |
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/10336978, documented in the API reference.