TEXAS · WELLS · CASS COUNTY · SIMPSON "E" LEASE · API 42-067-30052 · DISTRICT 06

Simpson E #1

Y

Cass County · New Barn (Cotton Valley Sand) field · Producing  · Vertical

Simpson E #1 (API 42-067-30052) is a well in Cass County operated by Buffco Production Inc., completed December 3, 1992 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued April 26, 1991, permitted to 11,550 ft.

It was permitted by Marathon Oil Company and has since transferred to Buffco Production Inc. on the wellbore schedule.

Completion filings report 4 formation tops, including Pettit, Travis Peak, Cotton Valley, Bossier.

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

Operator of record

Buffco Production Inc.

Permitted by Marathon Oil Company; 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 permitMarathon Oil CompanyApr 26, 1991

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

11,550
total depth, ft
2
permits on file
Apr 26, 1991
last permit issued
Dec 3, 1992
completed
0
cumulative oil, bbl
2.04M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 3, 1992
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
Simpson "E" G-6-145443New Barn (Cotton Valley Sand)Buffco Production Inc.102.04MJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 10,102 · prior 12 10,643(-5%)

01K2K3K202420252026

Chain of custody

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

  1. 1Marathon Oil CompanyFeb 1993 → Jan 2000
  2. 2Matador Operating CompanyFeb 2000 → Jul 2003
  3. 3Brown, Tom Inc.Aug 2003 → Dec 2004
  4. 4Encana Oil & Gas(usa) Inc.Jan 2005 → Jun 2010
  5. 5Buffco Production Inc.Apr 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
387101-98ReenterMarathon Oil CompanyJun 2, 1993Apr 26, 1991Oct 9, 199211,550
387101-99ReenterMarathon Oil CompanyApr 24, 1991Apr 26, 1991—12,050

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 3, 1992Simpson E G-6-145443New Barn (Cotton Valley Sand)Buffco Production Inc.Producing11,550

Formation tops

As filed on W-2/G-1. Subsea from 434 ft elevation.Download CSV →

FormationMD ftSubsea
Pettit7,712-7,278
Travis Peak7,842-7,408
Cotton ValleyCOTTON VALLEY SAND10,474-10,040
BossierBOSSIER SHALE11,230-10,796
Cotton ValleyCOTTON VALLEY LIME11,441-11,007

Perforations

Perforated and open-hole intervals.

FromToType
10,79810,818Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,86512.251,200 S
5.511,5508.751,230 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 16, 1993Feb 16, 1993—
00Jun 10, 1993——

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/06730052, documented in the API reference.