TEXAS · WELLS · FAYETTE COUNTY · TONTO UNIT LEASE · API 42-149-33002 · DISTRICT 03

Tonto Unit #1

Y

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

Fields on the latest permit · any of 2
Giddings (Austin Chalk-3) · Giddings (Austin Chalk, Gas)
Not one formation; the well must be completed in one of them, and no target formation is stated.

Tonto Unit #1 (API 42-149-33002) is a horizontal well in Fayette County operated by Magnolia Oil & Gas Operating LLC, completed May 23, 1996 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended 3 times), issued December 14, 1995, permitted to 16,255 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 one formation top, including Austin Chalk.

Its lease has reported 245K barrels of oil and 5.1M mcf of gas since May 1996, last reporting volume in April 2026.

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
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 permitUnion Pacific Resources CompanyDec 14, 1995

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

16,255
total depth, ft
4
permits on file
Dec 14, 1995
last permit issued
May 23, 1996
completed
245K
cumulative oil, bbl
5.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 1996 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 23, 1996
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
Tonto Unit G-3-159112Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLC1245K5.1MMay 1996 – Apr 2026

Gas, mcf lease total

Last 12 months 32,309 · prior 12 39,444(-18%)

02K4K202420252026

Chain of custody

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

  1. 1Union Pacific Resources CompanyMay 1996 → 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
442615-96DrillUnion Pacific Resources CompanyJun 21, 1996Dec 14, 1995—12,850
442615-97DrillUnion Pacific Resources CompanyFeb 14, 1996Dec 14, 1995Feb 19, 199612,850
442615-98DrillUnion Pacific Resources CompanyDec 27, 1995Dec 14, 1995—12,850
442615-99DrillUnion Pacific Resources CompanyDec 7, 1995Dec 14, 1995—12,850

Completions

CompletedLeaseFieldOperatorStatusDepth
May 23, 1996Tonto Unit G-3-159112Giddings (Austin Chalk-3)Magnolia Oil & Gas Operating LLCProducing16,255

Formation tops

As filed on W-2/G-1. Subsea from 402 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk11,602-11,200

Perforations

Perforated and open-hole intervals.

FromToType
11,64214,007Perforated
11,74114,600Perforated
12,26016,255Perforated
12,49813,795Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,99714.75800 S
7.62511,6429.875720 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
00Aug 14, 1996Jun 21, 1996Yes
00Aug 1, 1996——

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/14933002, documented in the API reference.