WELL · 42-115-00356 · DISTRICT 8

Gillespie B #1WS

Plugged

Dawson County · Felken (Spraberry) field  · Vertical

Gillespie B #1WS (API 42-115-00356) is a plugged well in Dawson County, plugged March 4, 1983, last operated by Byrd Operating Company.

The RRC has issued one drilling permit, issued December 13, 2000, permitted to 7,560 ft.

Completion filings report one formation top, including Santa Rosa.

Its lease has reported 765K barrels of oil and 32.8K mcf of gas since February 2000, last reporting in July 2026. The lease carries 17 wells, so these are lease totals, not this well alone.

Operator of record

Byrd Operating Company

Midland, TX · P-5 Y, filed Jul 4, 2026 · 68 permits on file · (432) 413-6683

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleByrd Operating Company
Production reportsPetx Operating LLCthrough Apr 2026
Latest permitByrd Operating CompanyDec 13, 2000

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

7,560
total depth, ft
1
permits on file
Dec 13, 2000
last permit issued
—
completed
765K
cumulative oil, bbl
32.8K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2000 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
Mar 4, 1983

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; they carry 17 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
East Felken Unit O-11-68154Felken (Spraberry)Petx Operating LLC17765K32.8KFeb 2000 – Jul 2026

Oil, barrels lease total

Last 12 months 11,695 · prior 12 12,846(-9%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Byrd Operating CompanyFeb 2000 → Oct 2024
  2. 2Petx Operating LLCNov 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
502914-99ReenterByrd Operating CompanyDec 11, 2000Dec 13, 2000Mar 12, 20017,560

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-68154————

Formation tops

As filed on W-2/G-1. Subsea from 2,794 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,2661,528

Perforations

Perforated and open-hole intervals.

FromToType
1,2741,412Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.375131——
8.6251,915——
27,4245.5—
5.57,5607.875—

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
00Oct 8, 2001May 16, 2001—
00Sep 17, 2001——
00Jan 12, 1984Sep 28, 1961—

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
—
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000023183UIC PermitPlugged Apr 11, 1983000–0

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/11500356, documented in the API reference.