TEXAS · WELLS · BURLESON COUNTY · SEBESTA-SEYMOUR UNIT LEASE · API 42-051-33415 · DISTRICT 03

Sebesta-Seymour Unit #1

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

Sebesta-Seymour Unit #1 (API 42-051-33415) is a horizontal well in Burleson County operated by Magnolia Oil & Gas Operating LLC, completed March 15, 1994 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 27, 1993, permitted to 11,746 ft.

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

Completion filings report 2 formation tops, including Pecan Gap, Austin Chalk.

Its lease has reported 319K barrels of oil and 1.99M mcf of gas since March 1994, last reporting volume in April 2026.

Operator of record

Magnolia Oil & Gas Operating LLC

Permitted by Sage Energy 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
617
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 permitSage Energy CompanyDec 27, 1993

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

11,746
total depth, ft
1
permits on file
Dec 27, 1993
last permit issued
Mar 15, 1994
completed
319K
cumulative oil, bbl
1.99M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 1994 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 15, 1994
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
Sebesta-Seymour Unit O-3-22344Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLC1319K1.99MMar 1994 – Apr 2026

Gas, mcf lease total

Last 12 months 13,260 · prior 12 13,565(-2%)

01K2K3K202420252026

Oil, barrels lease total

Last 12 months 1,734 · prior 12 1,975(-12%)

0100200300202420252026

Chain of custody

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

  1. 1Sage Energy CompanyMar 1994 → Jul 2007
  2. 2Sheridan Production Company, LLCAug 2007 → Mar 2020
  3. 3FDL Operating, LLCMay 2020 → Feb 2022
  4. 4Daylight Petroleum LLCMar 2022 → Feb 2023
  5. 5Magnolia Oil & Gas Operating LLCMar 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
419224-99DrillSage Energy CompanyDec 10, 1993Dec 27, 1993Feb 15, 19948,400

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 15, 1994Sebesta-Seymour Unit O-3-22344Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing11,746

Formation tops

As filed on W-2/G-1. Subsea from 323 ft elevation.Download CSV →

FormationMD ftSubsea
Pecan Gap6,587-6,264
Austin Chalk7,857-7,534

Perforations

Perforated and open-hole intervals.

FromToType
7,89311,746Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7599014.75500 S
7.6257,8939.875340 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
00May 11, 1994Apr 7, 1994Yes
00Apr 25, 1994——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/05133415, documented in the API reference.