WELL · 42-211-33925 · DISTRICT 10
Zybach 66 #36
Hemphill County · Buffalo Wallow (Granite Wash) field · Vertical
Zybach 66 #36 (API 42-211-33925) is a plugged well in Hemphill County, plugged February 22, 2019, last operated by 4p Energy Texas LLC.
The RRC has issued one drilling permit, issued June 12, 2007, permitted to 14,450 ft.
It was permitted by Dominion Oklahoma Texas E&P, Inc and has since transferred to 4p Energy Texas LLC on the wellbore schedule.
Completion filings report 6 formation tops, including T/Cleveland Mkr, T/Carr Granite Wash, T/Caldwell Granite Wash, T/Britt Granite Wash.
Operator of record
Permitted by Dominion Oklahoma Texas E&P, Inc; the EWA schedule now lists a different operator.
- Based in
- Denver, CO
- P-5 status
- Inactive (I)
- P-5 last filed
- Jan 14, 2020
- Permits on file
- 127
- Phone
- (303) 290-0990
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | 4P Energy Texas LLC |
| Production reports | Enervest Operating, L.L.C.through Dec 2017 |
| Latest permit | Dominion Oklahoma Texas E&P, IncJun 12, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,450
- total depth, ft
- 1
- permits on file
- Jun 12, 2007
- last permit issued
- Jul 31, 2007
- completed
- 0
- cumulative oil, bbl
- 660K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2007 THROUGH Apr 2020
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 31, 2007
- Shut in
- —
- Plugged
- Feb 22, 2019
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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Zybach 66 G-14-232754 | Buffalo Wallow (Granite Wash) | 4P Energy Texas, LLC | 1 | 0 | 660K | Jul 2007 – Apr 2020 |
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.
- 1Linn Operating, Inc.Aug 2007 → Dec 2014
- 2Enervest Operating, L.L.C.Jan 2015 → Dec 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 640082-99 | Drill | Dominion Oklahoma Texas E&P, Inc | Jun 4, 2007 | Jun 12, 2007 | Jun 19, 2007 | 14,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-232754 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,687 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Cleveland MKR | 10,287 | -7,600 |
| T/Carr Granite Wash | 11,008 | -8,321 |
| T/Caldwell Granite Wash | 11,072 | -8,385 |
| T/Britt Granite Wash | 11,180 | -8,493 |
| T/Granite Wash D MKR | 12,096 | -9,409 |
| T/Atoka Wash | 12,645 | -9,958 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,112 | 13,352 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,337 | 12.25 | 1,875 S |
| 5.5 | 13,450 | 7.875 | 565 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 26, 2008 | Nov 1, 2007 | Yes |
| 00 | Feb 1, 2008 | — | — |
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.
- Wellbore filings for 42-211-33925 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33925 → scanned completion filings
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/21133925, documented in the API reference.