TEXAS · WELLS · BRAZOS COUNTY · MCCULLOUGH-OLDEN UNIT LEASE · API 42-041-31700 · DISTRICT 03

McCullough-Olden Unit #1RE

Plugged

Brazos County · Giddings (Austin Chalk Gas) field  · Horizontal · Sidetrack

Mccullough-Olden Unit #1RE (API 42-041-31700) is a plugged horizontal well in Brazos County, plugged November 19, 2024, last operated by Magnolia Oil & Gas Operating LLC.

The RRC has issued 3 drilling permits (amended once) between 1992 and 2009, permitted to 15,500 ft.

It was permitted by Enervest Operating, L.L.C. and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.

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

Operator of record

Magnolia Oil & Gas Operating LLC

Permitted by Enervest Operating, L.L.C.; 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 Nov 2024
Latest permitEnervest Operating, L.L.C.Jul 7, 2009

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

15,500
total depth, ft
4
permits on file
Jul 7, 2009
last permit issued
Sep 19, 1996
completed
0
cumulative oil, bbl
1.72M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1993 THROUGH Feb 2025

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 19, 1996
Shut in
—
Plugged
Nov 19, 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
McCullough-Olden Unit G-3-146491Giddings (Austin Chalk, Gas)Magnolia Oil & Gas Operating LLC101.72MApr 1993 – Feb 2025

Gas, mcf lease total

Last 12 months 0 · prior 12 1,746(-100%)

0200400600202420252026

Chain of custody

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

  1. 1Union Pacific Resources CompanyMay 1993 → 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 → Nov 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
682691-99RecompletionEnervest Operating, L.L.C.Jul 1, 2009Jul 7, 2009—11,500
451016-99Recompletion · sidetrackUnion Pacific Resources CompanyAug 1, 1996Aug 1, 1996Aug 19, 199615,500
407063-98DrillUnion Pacific Resources CompanyDec 23, 1992Dec 10, 1992Mar 22, 199315,500
407063-99DrillUnion Pacific Resources CompanyDec 10, 1992Dec 10, 1992—15,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 19, 1996McCullough-Olden Unit G-3-146491Giddings (Austin Chalk Gas)Magnolia Oil & Gas Operating LLCPlugged—
Sep 19, 1996McCullough-Olden Unit G-3-146491Giddings (Austin Chalk Gas)Magnolia Oil & Gas Operating LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 240 ft elevation.Download CSV →

FormationMD ftSubsea
Midway6,629-6,389
Navarro8,539-8,299
Pecan Gap9,609-9,369
Austin Chalk10,423-10,183

Perforations

Perforated and open-hole intervals.

FromToType
10,54914,384Perforated
10,58511,374Perforated
11,01211,225Perforated
11,27013,638Perforated
14,38410,549Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.753,19814.751,399 S
7.62510,5499.875380 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
00Jan 7, 1997Nov 14, 1996Yes
00Oct 11, 1993Jun 21, 1993Yes
00Sep 23, 1993——

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/04131700, documented in the API reference.