TEXAS · WELLS · GREGG COUNTY · PORTLEY-TAYLOR GAS UNIT LEASE · API 42-183-31582 · DISTRICT 06

Portley-Taylor Gas Unit #4

Shut in

Gregg County · Oak Hill (Cotton Valley) field · Temp Abandoned  · Vertical

Permitted field
Easton, N. (Cotton Valley)
The district's wildcat field is also on the permit.

Portley-Taylor Gas Unit #4 (API 42-183-31582) is a well in Gregg County operated by Sydri Operating LLC, completed August 8, 2003 and listed as temp abandoned on the RRC schedule, shut in May 1, 2025.

The RRC has issued one drilling permit, issued June 24, 2003, permitted to 10,750 ft.

It was permitted by Chinn Exploration Company and has since transferred to Sydri Operating LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Mass Anahy, Rodessa, Pettit, Travis Peak.

Its lease has reported 1.51K barrels of oil and 748K mcf of gas since August 2003, last reporting volume in April 2025.

Operator of record

Sydri Operating LLC

Permitted by Chinn Exploration Company; the EWA schedule now lists a different operator.

Based in
Dallas, TX
P-5 status
Active (A)
P-5 last filed
Mar 11, 2026
Permits on file
46
Phone
(214) 373-8626

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSydri Operating LLC
Production reportsSydri Operating, LLCthrough Apr 2025
Latest permitChinn Exploration CompanyJun 24, 2003

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

10,750
total depth, ft
1
permits on file
Jun 24, 2003
last permit issued
Aug 8, 2003
completed
1.51K
cumulative oil, bbl
748K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · AUG 2003 THROUGH APR 2025

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 8, 2003
Shut in
May 1, 2025
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 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
Portley-Taylor Gas Unit G-6-198035Oak Hill (Cotton Valley)Sydri Operating, LLC11.51K748KAug 2003 – Apr 2025

Gas, mcf lease total

Last 12 months 0 · prior 12 2,594(-100%)

05001K1.5K202420252026

Wells named Portley-Taylor Gas Unit

Sydri Operating LLC's other wells filed under this lease name in Gregg County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Chinn Exploration CompanyAug 2003 → Nov 2015
  2. 2Trivium Operating, LLCDec 2015 → Feb 2022
  3. 3Sydri Operating, LLCMar 2022 → Apr 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
533301-99DrillChinn Exploration CompanyJun 19, 2003Jun 24, 2003Jun 30, 200311,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 8, 2003Portley-Taylor Gas Unit G-6-198035Oak Hill (Cotton Valley)Sydri Operating LLCTemp Abandoned · shut in May 1, 202510,750

Formation tops

As filed on W-2/G-1. Subsea from 279 ft elevation.Download CSV →

FormationMD ftSubsea
Mass Anahy6,262-5,983
Rodessa6,360-6,081
Pettit6,970-6,691
Travis Peak7,260-6,981
Cotton Valley9,200-8,921
Taylor10,351-10,072

Perforations

Perforated and open-hole intervals.

FromToType
10,32110,622Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,50011410 S
7.510,7507.8751,500 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
00Feb 17, 2004Oct 31, 2003Yes
00Dec 12, 2003——

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

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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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/18331582, documented in the API reference.