WELL · 42-013-01050 · DISTRICT 1

Butts & Sawyer/Mosbacher #1

N

Atascosa County  · Vertical

Butts & Sawyer/Mosbacher #1 (API 42-013-01050) is a permitted well in Atascosa County filed by Excalibur E & P, LLC; no completion report is on file yet.

The RRC has issued 2 drilling permits between 2002 and 2005, permitted to 8,200 ft.

Completion filings report 2 formation tops, including 2/6/57, See Attached Form 2 Submitted.

Its lease has reported 8.67K barrels of oil and 3.77K mcf of gas since July 2006, last reporting in July 2026.

Operator of record

Excalibur E & P, LLC

Johnson City, TX · P-5 Y, filed Jan 4, 2026 · 19 permits on file · (512) 658-4746

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsEnhanced Energy Partners Corpthrough Feb 2009
Latest permitExcalibur E & P, LLCApr 7, 2005
8,200
total depth, ft
2
permits on file
Apr 7, 2005
last permit issued
—
completed
8.67K
cumulative oil, bbl
3.77K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2006 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
Butts & Sawyer/Mosbacher O-1-14716Pleasanton, S. (Anacacho)Mazco Energy LLC18.67K3.77KJul 2006 – 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. 1Enhanced Energy Partners CorpJul 2006 → Feb 2009

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
559899-99ReenterExcalibur E & P, LLCApr 1, 2005Apr 7, 2005Jun 5, 20068,193
524231-99ReenterWen-BEOct 1, 2002Oct 1, 2002—8,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-14716————

Formation tops

As filed on W-2/G-1. Subsea from 370 ft elevation.Download CSV →

FormationMD ftSubsea
2/6/57——
See Attached Form 2 Submitted——

Perforations

Perforated and open-hole intervals.

FromToType
7,4407,458Perforated
—7,440Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,013——
5.55,374——

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 21, 2007Aug 1, 2006Yes
00Aug 28, 2006——
00Jan 12, 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). 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/01301050, documented in the API reference.