WELL · 42-301-30723 · DISTRICT 8

Slash "B" #4

N

Loving County  · Vertical

Slash "B" #4 (API 42-301-30723) is a permitted well in Loving County filed by Wiser Oil Company, The; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1987 and 2001, permitted to 6,700 ft.

Completion filings report 3 formation tops, including T. Cherry Canyon G, T. Cherry Canyon H, T. Cherry Canyon I.

Its 2 leases have reported 268K barrels of oil and 744K mcf of gas since January 1993, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.

Operator of record

Wiser Oil Company, The

Denver, CO · P-5 Y, filed Sep 8, 2006 · 419 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsLast Mile Production, LLCthrough Jan 2026
Latest permitWiser Oil Company, TheMar 6, 2001
6,700
total depth, ft
2
permits on file
Mar 6, 2001
last permit issued
—
completed
268K
cumulative oil, bbl
744K
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 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Slash -B- O-10-38199Dimmitt (Delaware Cons)Last Mile Production, LLC4107K132KJul 2007 – Jul 2026
Slash "B" O-10-30897Dimmitt (Cherry Canyon)Forest Oil Corporation4161K613KJan 1993 – Apr 2008

Oil, barrels lease total

Last 12 months 3,572 · prior 12 4,175(-14%)

05001K202420252026

Chain of custody

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

  1. 1Parker & Parsley Development Co.Jan 1993 → Feb 1995
  2. 2Parker & Parsley Development L.PMar 1995 → May 1996
  3. 3Costilla Petroleum CorporationJun 1996 → Jan 1997
  4. 4Costilla Energy, Inc.Feb 1997 → Sep 1997
  5. 5Wiser Oil Company, TheOct 1997 → Nov 2005
  6. 6Forest Oil CorporationDec 2005 → Dec 2009
  7. 7Sandridge Expl. and Prod., LLCFeb 2010 → Jan 2013
  8. 8Sheridan Production Company, LLCFeb 2013 → Feb 2017
  9. 9Iskandia Energy Operating, Inc.Mar 2017 → Dec 2023
  10. 10Last Mile Production, LLCJan 2024 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
505926-99RecompletionWiser Oil Company, TheMar 1, 2001Mar 6, 2001—6,640
325069-99DrillParker & Parsley Petroleum Co.Jan 5, 1987Jan 7, 1987—6,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-30897————
—— O-10-38199————

Formation tops

As filed on W-2/G-1. Subsea from 2,967 ft elevation.Download CSV →

FormationMD ftSubsea
T. Cherry Canyon G6,352-3,385
T. Cherry Canyon H6,424-3,457
T. Cherry Canyon I6,508-3,541

Perforations

Perforated and open-hole intervals.

FromToType
6,3666,398Perforated
6,4386,567Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,00512.25450 S
5.56,6407.875185 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
00Aug 31, 2007Mar 24, 1987Yes
00Apr 6, 1987Mar 24, 1987Yes
00Apr 2, 1987——

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/30130723, documented in the API reference.