TEXAS · WELLS · STARR COUNTY · API 42-427-31711 · DISTRICT 04

Hall C. M. -A- #7

Plugged

Starr County · Lyda (Vicksburg Lower) field  · Vertical

Hall C. M. -A- #7 (API 42-427-31711) is a plugged well in Starr County, plugged February 8, 2022, last operated by Killam Oil CO. Ltd..

The RRC has issued 7 drilling permits between 1982 and 1998, permitted to 9,800 ft.

It was permitted by Oryx Energy Company and has since transferred to Killam Oil CO. Ltd. on the wellbore schedule.

Completion filings report 7 formation tops, including Vicksburg, Rincon 7460 Vxbg, Sumerford Vxbg, Vicksburg8450.

Operator of record

Killam Oil Co. Ltd.

Permitted by Oryx Energy Company; the EWA schedule now lists a different operator.

Based in
Laredo, TX
P-5 status
Active (A)
P-5 last filed
Apr 9, 2026
Permits on file
837
Phone
(956) 724-7141

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleKillam Oil Co. Ltd.
Production reportsOryx Energy Companythrough Sep 1997
Latest permitOryx Energy CompanyFeb 23, 1998

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

9,800
total depth, ft
7
permits on file
Feb 23, 1998
last permit issued
Mar 12, 1998
completed
0
cumulative oil, bbl
324K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2022

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 12, 1998
Shut in
—
Plugged
Feb 8, 2022

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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hall, C. M. -A- G-4-167338Lyda (Vicksburg Lower)Killam Oil Co., Ltd.100Mar 1998 – Feb 2022
Hall, C.M. -A- G-4-131208Lyda (Vicksburg Lower)Killam Oil Co., Ltd.10301KJan 1993 – Apr 2019
Hall, C. M. -A- G-4-163051Lyda (Rincon 7460 Vxbg.)Oryx Energy Company1022.9KMay 1997 – Mar 1998

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. 1Oryx Energy CompanyJan 1993 → Sep 1997

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
473663-99RecompletionOryx Energy CompanyFeb 23, 1998Feb 23, 1998Feb 24, 19986,700
462275-99RecompletionOryx Energy CompanyMay 12, 1997May 12, 1997May 12, 19979,493
349147-99RecompletionSun Expl. & Prod. Co.-CorpusJul 20, 1988Jul 20, 1988—9,493
333242-99RecompletionSun Expl. & Prod. Co.-CorpusJul 21, 1987Jul 20, 1987—9,496
278925-99RecompletionSun Expl. & Prod. Co.-CorpusJun 27, 1985Jun 27, 1985—9,493
234428-99RecompletionSun Expl. & Prod. Co.-CorpusApr 2, 1984Apr 3, 1984—9,493
177837-99DrillSun Expl. & Prod. Co.-CorpusNov 19, 1982Nov 19, 1982Nov 23, 19829,800

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 12, 1998Hall C. M. -A- G-4-167338Lyda (Vicksburg Lower)Killam Oil Co. Ltd.Plugged—
May 13, 1997Hall C. M. -A- G-4-163051Lyda (Rincon 7460 Vxbg.)Oryx Energy CompanyPlugged—
May 21, 1989Hall C.M. -A- G-4-131208Lyda (Vicksburg Lower)Killam Oil Co. Ltd.Plugged—
Jul 31, 1987Hall C.M. -A- G-4-125208Lyda (Summerford Vxbg.)Oryx Energy CompanyPlugged—
Jul 15, 1985Hall C. M. -A- G-4-117850Lyda (Vicksburg 8230)Sun Expl. & Prod. Co.-CorpusPlugged—
Apr 1, 1983Hall C. M. -A- G-4-105389Lyda (Vicksburg 8690)Sun Expl. & Prod. Co.-CorpusPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 410 ft elevation.Download CSV →

FormationMD ftSubsea
VicksburgVICKSBURG 63506,462-6,052
Rincon 7460 Vxbg6,704-6,294
VicksburgVICKSBURG LOWER7,484-7,074
VicksburgVICKSBURG LWR7,484-7,074
Sumerford Vxbg7,600-7,190
VICKSBURG84508,534-8,124
Vxbg 84508,534-8,124
VICKSBURG86908,691-8,281
Vxbg 86908,691-8,281

Perforations

Perforated and open-hole intervals.

FromToType
6,7046,710Perforated
7,4847,505Perforated
7,6097,620Perforated
7,6297,640Perforated
7,6687,682Perforated
8,2328,249Perforated
8,6918,700Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,46414.75742 S
7.6258,0079.8751,139 S
2.8758,612——

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
00Apr 24, 1998Mar 30, 1998Yes
00Apr 7, 1998——
00Jun 25, 1997Jun 6, 1997Yes
00Jun 10, 1997——
00Aug 8, 1989Jun 15, 1989Yes
00Aug 1, 1989——
00Oct 20, 1987Aug 12, 1987Yes
00Oct 13, 1987——
00Sep 18, 1985Aug 13, 1985—
00Sep 11, 1985——
00Jan 12, 1984Apr 14, 1983—

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/42731711, documented in the API reference.