TEXAS · WELLS · WHEELER COUNTY · ZYBACH 12 LEASE · API 42-483-32282 · DISTRICT 08

Zybach 12 #1

Plugged

Wheeler County · Buffalo Wallow (Granite Wash) field  · Vertical

Zybach 12 #1 (API 42-483-32282) is a plugged well in Wheeler County, plugged December 3, 2020, last operated by Unbridled Resources LLC.

The RRC has issued 2 drilling permits between 2007 and 2012, permitted to 14,753 ft.

It was permitted by Linn Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.

Completion filings report 7 formation tops, including T/Brown Dolomite, B/Heebner - T/Douglas, B/Heebner-T/Douglas, Cleveland.

Operator of record

Unbridled Resources LLC

Permitted by Linn Operating, Inc.; the EWA schedule now lists a different operator.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Dec 17, 2025
Permits on file
6
Phone
(318) 751-3917

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnbridled Resources LLC
Production reportsLinn Operating, Inc.through Aug 2013
Latest permitLinn Operating, Inc.Nov 26, 2012

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

14,753
total depth, ft
2
permits on file
Nov 26, 2012
last permit issued
May 7, 2007
completed
0
cumulative oil, bbl
361K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2007 THROUGH Aug 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 7, 2007
Shut in
—
Plugged
Dec 3, 2020

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
Zybach 12 G-14-228849Dyco (Granite Wash)Unbridled Resources, LLC10361KMay 2007 – Aug 2024

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Dominion Oklahoma Texas E&P, IncMay 2007 → Aug 2007
  2. 2Linn Operating, Inc.Sep 2007 → Aug 2013

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
745505-99Field transferLinn Operating, Inc.Jul 27, 2012Nov 26, 2012Mar 11, 200713,859
634209-99DrillDominion Oklahoma Texas E&P, IncFeb 26, 2007Mar 2, 2007Mar 11, 200714,753

Completions

CompletedLeaseFieldOperatorStatusDepth
May 7, 2007Zybach 12 G-14-228849Buffalo Wallow (Granite Wash)Unbridled Resources LLCPlugged—
May 7, 2007Zybach 12 G-14-228849Buffalo Wallow (Granite Wash)Unbridled Resources LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,696 ft elevation.Download CSV →

FormationMD ftSubsea
T/Brown Dolomite4,610-1,914
B/Heebner - T/Douglas8,376-5,680
B/Heebner-T/Douglas8,376-5,680
ClevelandCLEVELAND MARKER10,584-7,888
ClevelandCLEVELAND MKR.10,584-7,888
T/Britt Granite Wash11,630-8,934
Granite WashGRANITE WASH D SHALE12,458-9,762
AtokaATOKA WASH13,112-10,416

Perforations

Perforated and open-hole intervals.

FromToType
11,65413,714Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,33012.251,875 S
5.513,8867.875650 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
00Jun 17, 2013Nov 27, 2012—
00Aug 15, 2007Jul 19, 2007Yes
00Aug 9, 2007——

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/48332282, documented in the API reference.