WELL · 42-211-31645 · DISTRICT 10

Young 66 #1666

Plugged

Hemphill County · Hemphill (Granite Wash.) field  · Vertical

Young 66 #1666 (API 42-211-31645) is a plugged well in Hemphill County, plugged August 22, 2012, last operated by Devon Energy Production CO L.P..

The RRC has issued one drilling permit, issued December 6, 1983, permitted to 11,100 ft.

It was permitted by Mcr Oil Corporation Of Texas and has since transferred to Devon Energy Production CO L.P. on the wellbore schedule.

Completion filings report 5 formation tops, including Douglas, Tonkawa, Kansas City, Oswego.

Operator of record

Devon Energy Production Co L.P.

Permitted by MCR Oil Corporation of Texas; the EWA schedule now lists a different operator.

Oklahoma City, OK · P-5 Y, filed Nov 4, 2025 · 9,266 permits on file · (800) 465-8314

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDevon Energy Production Co L.P.
Production reportsDevon Energy Production Co, L.P.through Mar 2010
Latest permitMCR Oil Corporation of TexasDec 6, 1983

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

11,100
total depth, ft
1
permits on file
Dec 6, 1983
last permit issued
Mar 16, 1984
completed
0
cumulative oil, bbl
239K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2013

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 16, 1984
Shut in
—
Plugged
Aug 22, 2012

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
Young 66 G-14-109884Hemphill (Granite Wash.)Devon Energy Production Co, L.P.10239KJan 1993 – Dec 2013

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. 1Umc Petroleum CorporationJan 1993 → Jul 1998
  2. 2Ocean Energy, Inc.Aug 1998 → Aug 2003
  3. 3Devon Louisiana CorporationSep 2003 → Dec 2005
  4. 4Devon Energy Production Co, L.P.Jan 2006 → Mar 2010

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
222648-99DrillMCR Oil Corporation of TexasDec 1, 1983Dec 6, 1983Dec 30, 198311,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-109884————

Formation tops

As filed on W-2/G-1. Subsea from 2,669 ft elevation.Download CSV →

FormationMD ftSubsea
Douglas7,715-5,046
Tonkawa8,480-5,811
Kansas City8,892-6,223
Oswego10,021-7,352
Granite WashGRANITE WASH A10,748-8,079
Granite WashGRANITE WASH B10,993-8,324

Perforations

Perforated and open-hole intervals.

FromToType
10,85411,090Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,98412.252,150 sx
5.511,1987.875250 sx

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
00May 10, 1984Mar 26, 1984—
00May 1, 1984Mar 26, 1984—

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/21131645, documented in the API reference.