WELL · 42-399-34605 · DISTRICT 7

Ashton #4 #4

Y

Runnels County · Lindemann (Jennings) field · Shut IN  · Vertical

Ashton #4 #4 (API 42-399-34605) is a well in Runnels County operated by Landmaster Partners Inc., completed May 19, 1998 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued May 8, 1998, permitted to 4,800 ft.

It was permitted by Pioneer Energy Corporation and has since transferred to Landmaster Partners Inc. on the wellbore schedule.

Completion filings report 3 formation tops, including Mcmillan, Upper Capps Lime, Jennings B..

Its lease has reported 26 barrels of oil and 10.7K mcf of gas since September 2000, last reporting in July 2026.

Operator of record

Landmaster Partners Inc.

Permitted by Pioneer Energy Corporation; the EWA schedule now lists a different operator.

Abilene, TX · P-5 Y, filed Oct 4, 2025 · 11 permits on file · (863) 287-5979

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleLandmaster Partners Inc.
Production reportsF & S Petroleum, L.L.C.through May 2010
Latest permitPioneer Energy CorporationMay 8, 1998

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

4,800
total depth, ft
1
permits on file
May 8, 1998
last permit issued
May 19, 1998
completed
26
cumulative oil, bbl
10.7K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2000 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 19, 1998
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Ashton #4 O-9-15023Lindemann (Jennings)Landmaster Partners, Inc.12610.7KSep 2000 – Jul 2026

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1F & S Petroleum, L.L.C.Nov 2008 → Aug 2009

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
476129-99DrillPioneer Energy CorporationMay 8, 1998May 8, 1998May 13, 19984,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-15023————

Formation tops

As filed on W-2/G-1. Subsea from 1,819 ft elevation.Download CSV →

FormationMD ftSubsea
McMillan2,800-981
Upper Capps Lime3,509-1,690
Jennings B.3,820-2,001

Perforations

Perforated and open-hole intervals.

FromToType
3,7663,774Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62514012.25100 S
4.53,8997.875150 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
00Nov 1, 2000Jul 31, 2000Yes
00Sep 6, 2000——

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/39934605, documented in the API reference.