TEXAS · WELLS · CRANE COUNTY · API 42-103-33749 · DISTRICT 7B

Tubb-State J. B. #21

Shut in

Crane County · Sand Hills (Judkins) field · Shut In  · Vertical

Tubb-State J. B. #21 (API 42-103-33749) is a well in Crane County operated by Blackbeard Operating LLC, completed July 26, 2012 and listed as shut in on the RRC schedule, shut in September 1, 2025.

The RRC has issued 2 drilling permits between 1985 and 2008, permitted to 4,650 ft.

It was permitted by Cimarex Energy CO. Of Colorado and has since transferred to Blackbeard Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Judkins, McKnight, Tubb.

Its 2 leases have reported 508K barrels of oil and 2.79M mcf of gas since January 1993, last reporting in July 2026. The leases carry 13 wells, so these are lease totals, not this well alone.

Operator of record

Blackbeard Operating LLC

Permitted by Cimarex Energy Co. of Colorado; the EWA schedule now lists a different operator.

Based in
Fort Worth, TX
P-5 status
Active (A)
P-5 last filed
Oct 2, 2025
Permits on file
2,263
Phone
(432) 242-0050

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBlackbeard Operating LLC
Production reportsBlackbeard Operating, LLCthrough Apr 2026
Latest permitCimarex Energy Co. of ColoradoMar 12, 2008

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

4,650
total depth, ft
2
permits on file
Mar 12, 2008
last permit issued
Jul 26, 2012
completed
508K
cumulative oil, bbl
2.79M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 26, 2012
Shut in
Sep 1, 2025
Plugged
—

Operator's P-5 on the schedule: Active – Extension (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 2 leases this well is completed on; they carry 13 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tubb-State, J. B. O-10-33368Sand Hills (Judkins)Blackbeard Operating, LLC12498K2.65MJan 1993 – Jul 2026
Tubb, J.B. State O-10-30596Sand Hills (Tubb)Cimarex Energy Co. of Colorado19.65K144KJan 1993 – Nov 2010

Gas, mcf lease total

Last 12 months 59,474 · prior 12 73,984(-20%)

05K10K202420252026

Oil, barrels lease total

Last 12 months 9,029 · prior 12 10,689(-16%)

05001K1.5K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Southland Royalty CompanyJan 1993 → Feb 1996
  2. 2Meridian Oil Inc.Mar 1996 → Jul 1996
  3. 3Burlington Resources Oil&gas Co.Aug 1996 → Apr 1997
  4. 4Gruy Petroleum Management Co.May 1997 → Apr 2006
  5. 5Cimarex Energy Co. of ColoradoMay 2006 → May 2019
  6. 6Special Energy CorporationJun 2019 → Feb 2020
  7. 7Caprock Exploration, Inc.Mar 2020 → Feb 2024
  8. 8Blackbeard Operating, LLCMar 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
656363-99RecompletionCimarex Energy Co. of ColoradoFeb 28, 2008Mar 12, 2008Apr 14, 20085,000
293442-99DrillSouthland Royalty CompanyDec 20, 1985Dec 20, 1985Jan 16, 19864,650

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 26, 2012Tubb-State J. B. O-10-33368Sand Hills (Judkins)Blackbeard Operating LLCShut In · shut in Sep 1, 20254,650
Feb 21, 1986Tubb J.B. State O-10-30596Sand Hills (Tubb)Cimarex Energy Co. of ColoradoNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,543 ft elevation.Download CSV →

FormationMD ftSubsea
Judkins2,650-107
McKnight2,950-407
Tubb4,283-1,740

Perforations

Perforated and open-hole intervals.

FromToType
2,8463,002Perforated
3,2503,467Perforated
4,3984,538Perforated
4,3984,542Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62563012.25400 S
5.54,6507.8751,165 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 31, 2015Apr 2, 2015—
00Nov 4, 2010Aug 31, 2010—
00Oct 20, 2010——
00Apr 14, 1986Mar 18, 1986Yes
00Mar 29, 1986——

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.

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/10333749, documented in the API reference.