TEXAS · WELLS · PANOLA COUNTY · MARKEY GAS UNIT LEASE · API 42-365-33160 · DISTRICT 06

Markey Gas Unit #8

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Panola County · Carthage (Cotton Valley) field · Producing  · Vertical

Markey Gas Unit #8 (API 42-365-33160) is a well in Panola County operated by Tgnr East Texas LLC, completed July 20, 1995 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 4, 1995, permitted to 9,914 ft.

It was permitted by Union Pacific Resources Company and has since transferred to Tgnr East Texas LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Paluxy, Massive Anhydrite (marker), Pettit, Travis Peak.

Its lease has reported 4.9K barrels of oil and 2.55M mcf of gas since July 1995, last reporting volume in April 2026.

Operator of record

TGNR East Texas LLC

Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Feb 4, 2026
Permits on file
41
Phone
(346) 308-2250

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTGNR East Texas LLC
Production reportsTGNR East Texas LLCthrough Apr 2026
Latest permitUnion Pacific Resources CompanyMay 4, 1995

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

9,914
total depth, ft
1
permits on file
May 4, 1995
last permit issued
Jul 20, 1995
completed
4.9K
cumulative oil, bbl
2.55M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 1995 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 20, 1995
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
Markey Gas Unit G-6-155586Carthage (Cotton Valley)TGNR East Texas LLC14.9K2.55MJul 1995 – Apr 2026

Gas, mcf lease total

Last 12 months 18,311 · prior 12 21,742(-16%)

02K4K202420252026

Chain of custody

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

  1. 1Union Pacific Resources CompanyJul 1995 → Jan 2001
  2. 2Rme Petroleum CompanyFeb 2001 → Nov 2002
  3. 3Anadarko E&P Company LPDec 2002 → Dec 2012
  4. 4Anadarko E&P Onshore LLCJan 2013 → Nov 2016
  5. 5Cci East Texas Upstream LLCDec 2016 → Jan 2021
  6. 6TGNR East Texas LLCFeb 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
435392-99DrillUnion Pacific Resources CompanyMay 1, 1995May 4, 1995May 19, 199510,100

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 20, 1995Markey Gas Unit G-6-155586Carthage (Cotton Valley)TGNR East Texas LLCProducing9,914

Formation tops

As filed on W-2/G-1. Subsea from 265 ft elevation.Download CSV →

FormationMD ftSubsea
Paluxy3,410-3,145
Massive Anhydrite (marker)BASE MASSIVE ANHYDRITE5,346-5,081
PettitLOWER PETTIT6,246-5,981
Travis Peak6,428-6,163
Cotton Valley8,336-8,071
Bessier9,743-9,478

Perforations

Perforated and open-hole intervals.

FromToType
9,3409,360Perforated
9,6789,693Perforated
9,7049,709Perforated
9,7209,730Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,03712.25280 S
4.59,9147.8751,150 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Nov 14, 1995Aug 16, 1995Yes
00Oct 13, 1995——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/36533160, documented in the API reference.