WELL · 42-103-03594 · DISTRICT 8

Sand Hills Tubb Unit #22

N

Crane County  · Vertical

Sand Hills Tubb Unit #22 (API 42-103-03594) is a permitted well in Crane County filed by Encore Operating, L.P.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2003 and 2004, permitted to 4,800 ft.

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

Its 2 leases have reported 2.15M barrels of oil and 4.35M mcf of gas since January 1993, last reporting in July 2026. The leases carry 81 wells, so these are lease totals, not this well alone.

Operator of record

Encore Operating, L.P.

Plano, TX · P-5 Y, filed Dec 4, 2025 · 615 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsFormentera Operations LLCthrough Apr 2026
Latest permitEncore Operating, L.P.Sep 3, 2004
4,800
total depth, ft
2
permits on file
Sep 3, 2004
last permit issued
—
completed
2.15M
cumulative oil, bbl
4.35M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
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 81 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sand Hills Tubb Unit G-10-205277Sand Hills (Wojcik-McElroy)Formentera Operations LLC10115KJul 2003 – Jul 2026
Sand Hills Tubb Unit O-10-20865Sand Hills (Tubb)Formentera Operations LLC802.15M4.23MJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 9,631 · prior 12 12,027(-20%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 2,583 · prior 12 21,156(-88%)

01K2K3K202420252026

Chain of custody

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

  1. 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Oct 1996
  2. 2Titan Resources I, Inc.Nov 1996 → May 2000
  3. 3Pure Resources, L.P.Jun 2000 → Mar 2002
  4. 4Home-Stake Oil & Gas CompanyApr 2002 → Jul 2002
  5. 5Cortez Operating CompanyAug 2002 → Apr 2004
  6. 6Encore Operating, L.P.May 2004 → Aug 2009
  7. 7Encore Energy Partners Oper LLCSep 2009 → Mar 2012
  8. 8Vanguard Permian, LLCApr 2012 → Apr 2015
  9. 9Vanguard Operating, LLCMay 2015 → Aug 2019
  10. 10Grizzly OP of Delaware, LLCSep 2019 → Jan 2021
  11. 11Contango Resources, Inc.Feb 2021 → Dec 2021
  12. 12Contango Resources, LLCJan 2022 → Jun 2022
  13. 13Slant Operating, LLCJul 2022 → Oct 2023
  14. 14Formentera Operations LLCNov 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
550357-99RecompletionEncore Operating, L.P.Aug 31, 2004Sep 3, 2004—4,473
533340-99RecompletionCortez Operating CompanyJun 20, 2003Jun 20, 2003—4,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-205277————
—— O-10-20865————

Formation tops

As filed on W-2/G-1. Subsea from 2,616 ft elevation.Download CSV →

FormationMD ftSubsea
McElroy2,352264
Judkins2,721-105
McKnight3,121-505

Perforations

Perforated and open-hole intervals.

FromToType
2,4032,515Perforated
4,2854,697Perforated
4,4514,697Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.625548—225 S
74,335—260 S
74,3356.25—
2.3754,716——

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
00Mar 23, 2005Sep 24, 2004Yes
00Jan 12, 2005——
00May 23, 1984May 9, 1984—
00Jan 12, 1984May 9, 1984—

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/10303594, documented in the API reference.