WELL · 42-289-31041 · DISTRICT 5

Sam Knight Unit A #4

Plugged

Leon County · Alabama Ferry (Glenrose D West) field  · Vertical

Sam Knight Unit A #4 (API 42-289-31041) is a plugged well in Leon County, plugged January 21, 2016, last operated by Prime Operating Company.

The RRC has issued one drilling permit, issued October 26, 1989, permitted to 9,125 ft.

It was permitted by Global Natural Resources Corp. and has since transferred to Prime Operating Company on the wellbore schedule.

Completion filings report 3 formation tops, including Edwards, Paluxy, Glen Rose.

Its 2 leases have reported 22.7K barrels of oil and 119K mcf of gas since January 1993, last reporting in November 2016. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Prime Operating Company

Permitted by Global Natural Resources Corp.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Jan 29, 2026
Permits on file
595
Phone
(432) 682-5600

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePrime Operating Company
Production reportsPrime Operating Companythrough Feb 2016
Latest permitGlobal Natural Resources Corp.Oct 26, 1989

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

9,125
total depth, ft
1
permits on file
Oct 26, 1989
last permit issued
—
completed
22.7K
cumulative oil, bbl
119K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2016

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
Jan 21, 2016

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sam Knight Unit A O-5-3478Alabama Ferry (Glenrose D, West)Prime Operating Company122.7K117KMay 1994 – Nov 2016
Knight, Sam Unit A G-5-133306Alabama Ferry (Glenrose D, West)Prime Operating Company102.01KJan 1993 – Jun 1995

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. 1Prime Operating CompanyJan 1993 → Jun 2015

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
365669-99DrillGlobal Natural Resources Corp.Oct 26, 1989Oct 26, 1989Nov 5, 19899,125

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-5-133306————
—— O-5-3478————

Formation tops

As filed on W-2/G-1. Subsea from 244 ft elevation.Download CSV →

FormationMD ftSubsea
Edwards7,890-7,646
Paluxy8,302-8,058
Glen RoseGLENROSE8,524-8,280

Perforations

Perforated and open-hole intervals.

FromToType
8,9468,957Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
164016605 S
8.6253,34111845 S
5.59,0995.5330 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
00Oct 24, 1994——
00Feb 15, 1990Dec 29, 1989Yes
00Feb 9, 1990——

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/28931041, documented in the API reference.