WELL · 42-477-30619 · DISTRICT 3

Henderson #1

Plugged

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

Henderson #1 (API 42-477-30619) is a plugged horizontal well in Washington County, plugged November 1, 2024, last operated by Magnolia Oil & Gas Operating LLC.

The RRC has issued 2 drilling permits (amended once) between 1985 and 1995, permitted to 10,600 ft.

It was permitted by Keystone Exploration, Inc and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford.

Its lease has reported 66.9K barrels of oil and 939K mcf of gas since January 1993, last reporting in December 2024.

Operator of record

Magnolia Oil & Gas Operating LLC

Permitted by Keystone Exploration, Inc; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Mar 4, 2026 · 615 permits on file · (713) 345-6206

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMagnolia Oil & Gas Operating LLC
Production reportsMagnolia Oil & Gas Operating LLCthrough Jun 2023
Latest permitKeystone Exploration, IncSep 8, 1995

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

10,600
total depth, ft
3
permits on file
Sep 8, 1995
last permit issued
Oct 26, 1995
completed
66.9K
cumulative oil, bbl
939K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 26, 1995
Shut in
—
Plugged
Nov 1, 2024

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
Henderson O-3-18479Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLC166.9K939KJan 1993 – Dec 2024

Oil, barrels lease total

Last 12 months 0 · prior 12 0

0246202420252026

Chain of custody

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

  1. 1Patterson Petroleum, Inc.Jan 1993 → Jul 1994
  2. 2Keystone Exploration, IncOct 1995 → Dec 1997
  3. 3United Oil & Minerals, Inc.Jan 1998 → Dec 1998
  4. 4WCS Oil and Gas CorporationJan 1999 → Apr 2005
  5. 5WCS Oil & Gas CorporationMay 2005 → Aug 2021
  6. 6Magnolia Oil & Gas Operating LLCNov 2021 → Jun 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
439730-98Recompletion · sidetrackKeystone Exploration, IncJan 12, 1996Sep 8, 1995—10,270
439730-99Recompletion · sidetrackKeystone Exploration, IncSep 8, 1995Sep 8, 1995Sep 12, 199510,255
266963-99DrillPatterson Petroleum, Inc.Feb 11, 1985Feb 15, 1985Feb 26, 198510,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-18479————

Formation tops

As filed on W-2/G-1. Subsea from 276 ft elevation.Download CSV →

FormationMD ftSubsea
Pecan Gap8,880-8,604
Austin Chalk9,820-9,544
Austin Chalk9,821-9,545
Eagle FordEAGLEFORD10,234-9,958

Perforations

Perforated and open-hole intervals.

FromToType
9,90510,965Perforated
9,90512,745Perforated
10,00810,226Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,456——
9.6253,46612.251,330 S
5.510,320——
5.510,3298.75690 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
00Mar 1, 1996Nov 17, 1995Yes
00May 22, 1985Apr 22, 1985—
00May 3, 1985——

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/47730619, documented in the API reference.