TEXAS · WELLS · UPSHUR COUNTY · MCCASLIN-HALL LEASE · API 42-459-31412 · DISTRICT 06

McCaslin-Hall #4

Y

Upshur County · Cedar Springs (Cot. Valley Lo.) field · Producing  · Vertical

Mccaslin-Hall #4 (API 42-459-31412) is a well in Upshur County operated by Buffco Production Inc., completed April 24, 2009 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 21, 2008, permitted to 12,170 ft.

It was permitted by Maximus Operating, Ltd. and has since transferred to Buffco Production Inc. on the wellbore schedule.

Completion filings report 6 formation tops, including Paluxy, Glen Rose, Massive Anhydrite (marker), Rodessa.

No lease production has been reported under this well’s leases.

Operator of record

Buffco Production Inc.

Permitted by Maximus Operating, Ltd.; the EWA schedule now lists a different operator.

Based in
Longview, TX
P-5 status
Active (A)
P-5 last filed
Nov 14, 2025
Permits on file
397
Phone
(903) 988-8199

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBuffco Production Inc.
Production reportsBuffco Production Inc.through Apr 2026
Latest permitMaximus Operating, Ltd.Jun 21, 2008

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

12,170
total depth, ft
1
permits on file
Jun 21, 2008
last permit issued
Apr 24, 2009
completed
0
cumulative oil, bbl
1.37M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 24, 2009
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
McCaslin-Hall G-6-247696Cedar Springs (Cot. Valley, Lo.)Buffco Production Inc.101.37MApr 2009 – Jul 2026

Gas, mcf lease total

Last 12 months 49,324 · prior 12 36,960(+33%)

05K10K202420252026

Chain of custody

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

  1. 1Maximus Operating, Ltd.Apr 2009 → Oct 2022
  2. 2Buffco Production Inc.Nov 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
663929-99DrillMaximus Operating, Ltd.Jun 6, 2008Jun 21, 2008Feb 3, 200912,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 24, 2009McCaslin-Hall G-6-247696Cedar Springs (Cot. Valley Lo.)Buffco Production Inc.Producing12,170

Formation tops

As filed on W-2/G-1. Subsea from 477 ft elevation.Download CSV →

FormationMD ftSubsea
Paluxy5,423-4,946
Glen RoseGLENROSE5,822-5,345
Massive Anhydrite (marker)MASSIVE ANHYDRITE7,122-6,645
Rodessa7,360-6,883
Travis Peak8,350-7,873
Cotton ValleyCOTTON VALLEY LIME11,732-11,255

Perforations

Perforated and open-hole intervals.

FromToType
11,91011,922Perforated
11,93611,956Perforated
11,97611,996Perforated
12,01612,036Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,20612.25767 S
5.512,1708.75700 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
00Jun 19, 2009May 22, 2009Yes
00Jun 5, 2009——

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/45931412, documented in the API reference.