WELL · 42-103-35328 · DISTRICT 8
Tubb J. B. Estate 16 #1
Crane County · Block 27 (McKee) field · Producing · Vertical
Tubb J. B. Estate 16 #1 (API 42-103-35328) is a well in Crane County operated by Formentera Operations LLC, completed April 6, 2008 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 21, 2006, permitted to 6,200 ft.
It was permitted by Stanolind Operating Corp. and has since transferred to Formentera Operations LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Yates, Queen, Tubb, McKee.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Stanolind Operating Corp.; 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 | Stanolind Operating Corp.Dec 21, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,200
- total depth, ft
- 2
- permits on file
- Dec 21, 2006
- last permit issued
- Apr 6, 2008
- completed
- 0
- cumulative oil, bbl
- 890K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 6, 2008
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb, J. B. Estate "16" G-10-240475 | Block 27 (McKee) | Formentera Operations LLC | 1 | 0 | 890K | Apr 2008 – Jul 2026 |
Gas, mcf lease total
Last 12 months 6,688 · prior 12 5,905(+13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Eagle Rock Operating Company,llcApr 2008 → Oct 2015
- 2Vanguard Operating, LLCNov 2015 → Aug 2019
- 3Grizzly OP of Delaware, LLCSep 2019 → Jan 2021
- 4Contango Resources, Inc.Mar 2021 → Dec 2021
- 5Contango Resources, LLCJan 2022 → Jun 2022
- 6Slant Operating, LLCJul 2022 → Oct 2023
- 7Formentera Operations LLCNov 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 630315-98 | Drill | Stanolind Operating Corp. | Mar 12, 2007 | Dec 21, 2006 | Feb 17, 2008 | 6,200 |
| 630315-99 | Drill | Stanolind Operating Corp. | Dec 11, 2006 | Dec 21, 2006 | — | 6,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-240475 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,487 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,948 | 5,956 | Perforated |
| 5,968 | 5,974 | Perforated |
| 5,980 | 5,992 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 690 | 11 | 350 S |
| 5.5 | 6,203 | 7.875 | 530 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 | Oct 20, 2008 | Jul 2, 2008 | Yes |
| 00 | Oct 14, 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 42-103-35328 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-35328 → 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/10335328, documented in the API reference.