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TEXAS · WELLS · WASHINGTON COUNTY · API 42-477-30781 · DISTRICT 03

Cassidy Unit #1RE

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

Cassidy Unit #1RE (API 42-477-30781) is a horizontal well in Washington County operated by Magnolia Oil & Gas Operating LLC, completed May 19, 2006 and listed as producing on the RRC schedule.

The RRC has issued 4 drilling permits between 1995 and 2006, permitted to 19,175 ft.

It was permitted by Anadarko E&P Company LP and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Austin Chalk, Buda, Georgetown.

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

Operator of record

Magnolia Oil & Gas Operating LLC

Permitted by Anadarko E&P Company LP; 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
Watch this operatorWatch Washington County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAnadarko E&P Company LP
Production reportsMagnolia Oil & Gas Operating LLCthrough Apr 2026
Latest permitAnadarko E&P Company LPMar 16, 2006

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

19,175
total depth, ft
4
permits on file
Mar 16, 2006
last permit issued
May 19, 2006
completed
0
cumulative oil, bbl
3.52M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 1995 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 19, 2006
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Cassidy Unit G-3-156238Giddings (Austin Chalk, Gas)Magnolia Oil & Gas Operating LLC103.5MJul 1995 – Jul 2026
Cassidy Unit G-3-187110Navasota River (Cretaceous Lwr.)Anadarko E&P Company LP1017.9KJun 2001 – May 2006

Gas, mcf lease total

Last 12 months 4,219 · prior 12 2,964(+42%)

05001K202420252026

Chain of custody

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

  1. 1Union Pacific Resources CompanyJul 1995 → Jan 2001
  2. 2Rme Petroleum CompanyFeb 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
615555-99RecompletionAnadarko E&P Company LPMar 8, 2006Mar 16, 2006—14,000
505051-99Recompletion · sidetrackRme Petroleum CompanyFeb 7, 2001Feb 7, 2001Feb 22, 200114,000
457210-99Recompletion · sidetrackUnion Pacific Resources CompanyJan 10, 1997Jan 15, 1997Jun 28, 199713,790
434866-99DrillUnion Pacific Resources CompanyApr 13, 1995Apr 13, 1995Apr 22, 199513,950

Completions

CompletedLeaseFieldOperatorStatusDepth
May 19, 2006Cassidy Unit G-3-156238Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing19,175
May 19, 2006Cassidy Unit G-3-156238Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing19,175
May 19, 2006Cassidy Unit G-3-156238Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing19,175
Jun 14, 2001Cassidy Unit G-3-187110Navasota River (Cretaceous Lwr.)Anadarko E&P Company LPNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 381 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk12,896-12,515
Austin Chalk12,942-12,561
Buda13,424-13,043
Georgetown13,507-13,126

Perforations

Perforated and open-hole intervals.

FromToType
12,56415,299Perforated
12,89019,175Perforated
12,93315,299Perforated
13,03218,505Perforated
13,14815,866Perforated
13,20713,576Perforated
13,33719,100Perforated
13,72418,469Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3753,51517.51,585 S
9.62511,48512.25435 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
00Feb 5, 2007Aug 22, 2006Yes
00Apr 22, 2002Jan 22, 2002Yes
00Feb 28, 2002——
00Apr 2, 1998Jan 12, 1998Yes
00Jan 4, 1996Sep 6, 1995Yes
00Dec 12, 1995——

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/47730781, documented in the API reference.