TEXAS · WELLS · HEMPHILL COUNTY · ZYBACH 66 LEASE · API 42-211-34804 · DISTRICT 08

Zybach 66 #21H

Shut in

Hemphill County · Buffalo Wallow (Granite Wash) field · Temp Abandoned  · Horizontal

Zybach 66 #21H (API 42-211-34804) is a horizontal well in Hemphill County operated by Bracken Operating L.L.C., completed January 8, 2011 and listed as temp abandoned on the RRC schedule, shut in June 1, 2013.

The RRC has issued one drilling permit, issued October 26, 2010, permitted to 11,200 ft.

It was permitted by Jones Energy, Ltd. and has since transferred to Bracken Operating L.L.C. on the wellbore schedule.

Completion filings report 3 formation tops, including Oswego, Upper Upper Gw, Upper Gw.

Its lease has reported 13.1K barrels of oil and 1.09M mcf of gas since January 2011, with no volume in the three years through April 2026.

Operator of record

Bracken Operating L.L.C.

Permitted by Jones Energy, Ltd.; the EWA schedule now lists a different operator.

Based in
Perryton, TX
P-5 status
Active (A)
P-5 last filed
Mar 18, 2026
Permits on file
140
Phone
(806) 435-2787

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBracken Operating L.L.C.
Production reportsBracken Operating, L.L.C.through May 2013
Latest permitJones Energy, Ltd.Oct 26, 2010

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

11,200
total depth, ft
1
permits on file
Oct 26, 2010
last permit issued
Jan 8, 2011
completed
13.1K
cumulative oil, bbl
1.09M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2011 THROUGH May 2013

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 8, 2011
Shut in
Jun 1, 2013
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
Zybach 66 G-14-265130Buffalo Wallow (Granite Wash)Bracken Operating, L.L.C.113.1K1.09MJan 2011 – May 2013

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. 1Jones Energy, Ltd.Jan 2011 → Jan 2013
  2. 2Jones Energy, LLCFeb 2013 → May 2013

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
704184-99DrillJones Energy, Ltd.Oct 22, 2010Oct 26, 2010Nov 8, 201016,250

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 8, 2011Zybach 66 G-14-265130Buffalo Wallow (Granite Wash)Bracken Operating L.L.C.Temp Abandoned · shut in Jun 1, 201311,200

Formation tops

As filed on W-2/G-1. Subsea from 2,679 ft elevation.Download CSV →

FormationMD ftSubsea
OswegoOSWEGO UPPER10,695-8,016
Upper Upper GW11,037-8,358
Upper GW11,136-8,457

Perforations

Perforated and open-hole intervals.

FromToType
11,58415,468Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,02317.52,396 S
711,58912.25585 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
00Nov 5, 2012May 10, 2011Yes

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/21134804, documented in the API reference.