WELL · 42-335-35864 · DISTRICT 8

Guelker #1H

Plugged

Mitchell County · Westbrook East (Clear Fork) field · Horizontal

Guelker #1H (API 42-335-35864) is a plugged horizontal well in Mitchell County, plugged August 23, 2018, last operated by Strand Energy L.C..

The RRC has issued one drilling permit, issued November 19, 2013, permitted to 9,000 ft.

It was permitted by Devon Energy Production CO, L.P. and has since transferred to Strand Energy L.C. on the wellbore schedule.

Completion filings report 3 formation tops, including Grayburg, San Andres, Clear Fork.

Operator of record

Strand Energy L.C.

Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.

Based in: Houston, TX
P-5 status: Active – Extension (X)
P-5 last filed: Mar 30, 2026
Permits on file: 321
Phone: (713) 658-8096

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Strand Energy L.C.
Production reports	none
Latest permit	Devon Energy Production Co, L.P.Nov 19, 2013

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

9,000: total depth, ft
1: permits on file
Nov 19, 2013: last permit issued
Feb 15, 2014: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2014 THROUGH Oct 2018

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Feb 15, 2014
Shut in: —
Plugged: Aug 23, 2018

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 →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Guelker O-10-46231	Westbrook, East (Clear Fork)	Strand Energy, L.C.	1	0	0	Feb 2014 – Oct 2018

No volumes reported on these leases in the last three years.

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
773415-99	Drill	Devon Energy Production Co, L.P.	Nov 8, 2013	Nov 19, 2013	Dec 29, 2013	9,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-46231	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,186 ft elevation.Download CSV →

Formation	MD ft	Subsea
Grayburg	1,427	759
San Andres	1,518	668
Clear Fork	2,339	-153
Clear ForkLOWER CLEARFORK	2,962	-776

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	577	17.5	610 S
7	2,492	8.75	560 S
7	3,904	8.75	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 →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jun 15, 2015	Dec 2, 2014	Yes

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.

Wellbore filings for 42-335-35864 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-335-35864 → scanned completion filings

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/33535864, documented in the API reference.