WELL · 42-283-31707 · DISTRICT 1

EF Energy / Winslow, O. H. #2

N

LA Salle County  · Vertical

EF Energy / Winslow, O. H. #2 (API 42-283-31707) is a permitted well in La Salle County filed by Battlecat Operating Company, LLC; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2001 and 2004, permitted to 8,000 ft.

Completion filings report one formation top, including Olmos.

Operator of record

Battlecat Operating Company, LLC

Midland, TX · P-5 Y, filed Sep 8, 2006 · 45 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsPetrovybe Opco LLCthrough Jan 2026
Latest permitBattlecat Operating Company, LLCMay 20, 2004
8,000
total depth, ft
2
permits on file
May 20, 2004
last permit issued
—
completed
0
cumulative oil, bbl
509K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2001 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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
EF Energy/Winslow, O. H. G-1-185977Sun T S H (Olmos)Petrovybe Opco LLC10509KJul 2001 – Jul 2026

Gas, mcf lease total

Last 12 months 3,766 · prior 12 389(+868%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Silver Pines Energy Corp.Sep 2001 → Aug 2003
  2. 2Battlecat Operating Company, LLCSep 2003 → Jan 2005
  3. 3Escondido Resources GP, LLCFeb 2005 → Sep 2007
  4. 4Swift Energy Operating, LLCOct 2007 → Sep 2016
  5. 5Blue Marble Resources OP, LLCOct 2016 → Feb 2019
  6. 6Fletcher Operating, LLCMar 2019 → Nov 2025
  7. 7Petrovybe Opco LLCDec 2025 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
545803-99RecompletionBattlecat Operating Company, LLCMay 17, 2004May 20, 2004—7,900
508767-99DrillSilver Pines Energy Corp.May 10, 2001May 10, 2001Jun 4, 20018,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-1-185977————

Formation tops

As filed on W-2/G-1. Subsea from 447 ft elevation.Download CSV →

FormationMD ftSubsea
Olmos7,725-7,278

Perforations

Perforated and open-hole intervals.

FromToType
7,4807,496Perforated
7,4987,504Perforated
7,5087,522Perforated
7,5267,528Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.8751,01412.25480 S
4.57,874—415 S
4.5—8.751,195 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
00Jan 14, 2002Nov 9, 2001Yes
00Dec 14, 2001——

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). 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/28331707, documented in the API reference.