WELL · 42-483-32756 · DISTRICT 10

Zybach 14 #4

Plugged

Wheeler County · Dyco (Granite Wash) field  · Vertical

Zybach 14 #4 (API 42-483-32756) is a plugged well in Wheeler County, plugged December 14, 2021, last operated by Unbridled Resources LLC.

The RRC has issued one drilling permit, issued September 12, 2008, permitted to 14,748 ft.

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

Completion filings report 14 formation tops, including Brown Dolomite, T/Brown Dolomite, Tonkawa, T/Tonkawa.

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 reports4P Energy Texas, LLCthrough Aug 2020
Latest permitLinn Operating, Inc.Sep 12, 2008

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

14,748
total depth, ft
1
permits on file
Sep 12, 2008
last permit issued
Jan 29, 2021
completed
0
cumulative oil, bbl
517K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Dec 2023

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 29, 2021
Shut in
—
Plugged
Dec 14, 2021

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 14 G-14-247642Dyco (Granite Wash)Unbridled Resources, LLC10517KDec 2008 – Dec 2023

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. 1Linn Operating, Inc.Dec 2008 → Dec 2014
  2. 2Enervest Operating, L.L.C.Jan 2015 → Mar 2018
  3. 34P Energy Texas, LLCApr 2018 → Aug 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
669824-99DrillLinn Operating, Inc.Aug 26, 2008Sep 12, 2008Oct 21, 200814,748

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-247642————

Formation tops

As filed on W-2/G-1. Subsea from 2,629 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolomite4,580-1,951
T/Brown Dolomite4,580-1,951
Tonkawa9,185-6,556
T/Tonkawa9,185-6,556
Caldwell GW11,462-8,833
Britt GW11,598-8,969
T/Britt GW11,598-8,969
GW "A"11,710-9,081
GW "B"11,968-9,339
GW "C"12,171-9,542
GW "D Shale12,456-9,827
GW "E" Shale12,527-9,898
GW "F" Shale12,703-10,074
AtokaATOKA WASH13,101-10,472

Perforations

Perforated and open-hole intervals.

FromToType
11,52414,024Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6253,34512.251,875 S
5.514,1507.875560 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, 2021Feb 10, 2021—
00Jul 9, 2009Feb 6, 2009Yes
00Jun 4, 2009——

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/48332756, documented in the API reference.