WELL · 42-483-31562 · DISTRICT 10

Effie Hayes 18 #1

N

Wheeler County · West Park (Upper Morrow) field  · Vertical

Effie Hayes 18 #1 (API 42-483-31562) is a well in Wheeler County operated by Devon Energy Production CO L.P., completed April 8, 1999.

The RRC has issued 2 drilling permits between 1998 and 2004, permitted to 15,700 ft.

Completion filings report 6 formation tops, including Brown Dolomite, Tonkawa, Oswego, Granite Wash.

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

Operator of record

Devon Energy Production Co L.P.

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 reportsMmgl Txph, LLCthrough Apr 2026
Latest permitDevon Energy Production Co, L.P.Dec 7, 2004

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

15,700
total depth, ft
2
permits on file
Dec 7, 2004
last permit issued
Apr 8, 1999
completed
0
cumulative oil, bbl
683K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1999 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 8, 1999
Shut in
—
Plugged
—

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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Effie Hayes 18 G-14-209079West Park (Granite Wash)Mmgl Txph, LLC10571KFeb 2005 – Jul 2026
Effie Hayes 18 G-14-172932West Park (Upper Morrow)Devon Energy Production Co, L.P.10112KApr 1999 – Feb 2005

Gas, mcf lease total

Last 12 months 11,636 · prior 12 6,240(+86%)

01K2K3K202420252026

Chain of custody

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

  1. 1Devon Energy Corporation(nevada)Apr 1999 → Mar 2000
  2. 2Devon Energy Production Co, L.P.Apr 2000 → Jun 2016
  3. 3Tecolote Energy Operating, LLCJul 2016 → Dec 2019
  4. 4Blackbeard Operating, LLCJan 2020 → Sep 2023
  5. 5Mmgl Txph, LLCOct 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
554502-99RecompletionDevon Energy Production Co, L.P.Dec 7, 2004Dec 7, 2004—14,600
481249-99DrillDevon Energy Corporation(nevada)Dec 3, 1998Dec 11, 1998Jan 22, 199915,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-172932————
—— G-14-209079————

Formation tops

As filed on W-2/G-1. Subsea from 2,596 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolomite4,610-2,014
Tonkawa9,470-6,874
Oswego10,961-8,365
Granite Wash12,222-9,626
Three Fingers14,994-12,398
Lower Puryear15,464-12,868

Perforations

Perforated and open-hole intervals.

FromToType
12,30612,500Perforated
12,67812,948Perforated
13,15113,524Perforated
15,42015,443Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,08512.251,577 S
715,2038.75190 S
3.515,6996.125160 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
00Sep 7, 2005Mar 15, 2005Yes
00Jul 6, 2005——
00Jun 10, 1999May 3, 1999Yes
00Jun 4, 1999——

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/48331562, documented in the API reference.