WELL · 42-103-31990 · DISTRICT 8
Tubb-State J.B. #6
Crane County · Sand Hills (McKnight) field · Vertical
Tubb-State J.B. #6 (API 42-103-31990) is a well in Crane County operated by Blackbeard Operating LLC, completed February 16, 1979.
The RRC has issued 2 drilling permits between 1978 and 1993, permitted to 3,500 ft.
It was permitted by Southland Royalty Company and has since transferred to Blackbeard Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including McKnight, Judkins.
Its 2 leases have reported 765K barrels of oil and 4.75M mcf of gas since January 1993, last reporting in July 2026. The leases carry 30 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Southland Royalty Company; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Jul 4, 2026 · 2,262 permits on file · (432) 242-0050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blackbeard Operating LLC |
| Production reports | Blackbeard Operating, LLCthrough Apr 2026 |
| Latest permit | Southland Royalty CompanyJun 25, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,500
- total depth, ft
- 2
- permits on file
- Jun 25, 1993
- last permit issued
- Feb 16, 1979
- completed
- 765K
- cumulative oil, bbl
- 4.75M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 16, 1979
- Shut in
- —
- Plugged
- —
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 30 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tubb-State, J.B. O-10-25148 | Sand Hills (McKnight) | Blackbeard Operating, LLC | 18 | 267K | 2.1M | Jan 1993 – Jul 2026 |
| Tubb-State, J. B. O-10-33368 | Sand Hills (Judkins) | Blackbeard Operating, LLC | 12 | 498K | 2.65M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 10,830 · prior 12 12,136(-11%)
Gas, mcf lease total
Last 12 months 64,001 · prior 12 76,689(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Southland Royalty CompanyJan 1993 → Feb 1996
- 2Meridian Oil Inc.Mar 1996 → Jul 1996
- 3Burlington Resources Oil&gas Co.Aug 1996 → Apr 1997
- 4Gruy Petroleum Management Co.May 1997 → Apr 2006
- 5Cimarex Energy Co. of ColoradoMay 2006 → May 2019
- 6Special Energy CorporationJun 2019 → Feb 2020
- 7Caprock Exploration, Inc.Mar 2020 → Feb 2024
- 8Blackbeard Operating, LLCMar 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 412885-99 | Recompletion | Southland Royalty Company | Jun 16, 1993 | Jun 25, 1993 | Jul 12, 1993 | 3,500 |
| 38916-99 | Drill | Mallard Exploration, Inc. | Dec 4, 1978 | Dec 4, 1978 | — | 3,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-25148 | — | — | — | — |
| — | — O-10-33368 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,536 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| McKnight | 2,970 | -434 |
| Judkins | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,910 | 2,965 | Perforated |
| 2,980 | 3,303 | Perforated |
| 3,107 | 3,303 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 549 | 12.25 | 350 S |
| 2.375 | 3,298 | — | — |
| 4.5 | 3,386 | 7.875 | 950 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 | Jan 12, 1994 | Oct 11, 1993 | — |
| 00 | Nov 24, 1993 | — | — |
| 00 | Jan 12, 1984 | Feb 26, 1979 | — |
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 42-103-31990 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-31990 → 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/10331990, documented in the API reference.