TEXAS · WELLS · WASHINGTON COUNTY · SEIDEL UNIT LEASE · API 42-477-30859 · DISTRICT 03

Seidel Unit #1

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Washington County · Giddings (Austin Chalk-3) field · Producing  · Horizontal · Sidetrack

Seidel Unit #1 (API 42-477-30859) is a horizontal well in Washington County operated by Magnolia Oil & Gas Operating LLC, completed November 16, 1998 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits (amended twice) in 1998, permitted to 17,780 ft.

It was permitted by Union Pacific Resources Company and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Midway, Taylor, Pecan Gap, Austin Chalk.

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

Operator of record

Magnolia Oil & Gas Operating LLC

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

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 6, 2026
Permits on file
615
Phone
(713) 842-9050

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMagnolia Oil & Gas Operating LLC
Production reportsMagnolia Oil & Gas Operating LLCthrough Apr 2026
Latest permitUnion Pacific Resources CompanySep 4, 1998

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

17,780
total depth, ft
4
permits on file
Sep 4, 1998
last permit issued
Nov 16, 1998
completed
0
cumulative oil, bbl
5.97M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 16, 1998
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
Seidel Unit G-3-169528Giddings (Austin Chalk, Gas)Magnolia Oil & Gas Operating LLC105.97MJul 1998 – Jul 2026

Gas, mcf lease total

Last 12 months 20,974 · prior 12 26,905(-22%)

02K4K202420252026

Chain of custody

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

  1. 1Union Pacific Resources CompanyJul 1998 → Jan 2001
  2. 2Rme Petroleum CompanyMar 2001 → Nov 2002
  3. 3Anadarko E&P Company LPDec 2002 → Jul 2007
  4. 4Enervest Operating, L.L.C.Aug 2007 → Jul 2018
  5. 5Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
479276-99Recompletion · sidetrackUnion Pacific Resources CompanySep 4, 1998Sep 4, 1998Sep 26, 199815,500
473886-97DrillUnion Pacific Resources CompanyAug 6, 1998Mar 2, 1998—15,500
473886-98DrillUnion Pacific Resources CompanyJun 8, 1998Mar 2, 1998—15,500
473886-99DrillUnion Pacific Resources CompanyMar 2, 1998Mar 2, 1998Mar 10, 199815,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 16, 1998Seidel Unit G-3-169528Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing17,780
Nov 16, 1998Seidel Unit G-3-169528Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing17,780

Formation tops

As filed on W-2/G-1. Subsea from 359 ft elevation.Download CSV →

FormationMD ftSubsea
Midway10,706-10,347
Taylor12,131-11,772
Pecan Gap13,508-13,149
Austin Chalk14,558-14,199

Perforations

Perforated and open-hole intervals.

FromToType
14,63018,939Perforated
14,67317,535Perforated
14,69217,780Perforated
16,47516,533Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,50017.51,280 S
9.62511,77512.25800 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
00Apr 30, 1999Dec 2, 1998—
00Sep 9, 1998Aug 7, 1998Yes
00Sep 2, 1998——

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/47730859, documented in the API reference.