WELL · 42-211-33792 · DISTRICT 10
Isaacs #1200
Hemphill County · Mendota NW. (Granite Wash) field · Vertical
Isaacs #1200 (API 42-211-33792) is a plugged well in Hemphill County, plugged September 15, 2020, last operated by Unbridled Resources LLC.
The RRC has issued one drilling permit, issued December 7, 2006, permitted to 11,500 ft.
It was permitted by Grayhawk Operating, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Douglas, Base Heebner, Tonkawa, Missiourian.
Operator of record
Permitted by Grayhawk Operating, Inc.; the EWA schedule now lists a different operator.
Oklahoma City, OK · P-5 Y, filed Sep 4, 2025 · 6 permits on file · (844) 507-5540
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unbridled Resources LLC |
| Production reports | 4P Energy Texas, LLCthrough Aug 2016 |
| Latest permit | Grayhawk Operating, Inc.Dec 7, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- Dec 7, 2006
- last permit issued
- Feb 12, 2007
- completed
- 0
- cumulative oil, bbl
- 611K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2007 THROUGH Dec 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 12, 2007
- Shut in
- —
- Plugged
- Sep 15, 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Isaacs G-14-232204 | Mendota, NW. (Granite Wash) | Unbridled Resources, LLC | 1 | 0 | 611K | Feb 2007 – 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.
- 1Chesapeake Operating, Inc.Feb 2007 → Oct 2014
- 2Chesapeake Operating, L.L.C.Nov 2014 → Mar 2015
- 34P Energy Texas, LLCJul 2016 → Aug 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 630136-99 | Drill | Grayhawk Operating, Inc. | Dec 6, 2006 | Dec 7, 2006 | Jan 8, 2007 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-232204 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,582 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Douglas | 6,850 | -4,268 |
| Base Heebner | 6,880 | -4,298 |
| Tonkawa | 7,655 | -5,073 |
| Missiourian | 8,150 | -5,568 |
| Cleveland | 8,621 | -6,039 |
| Des Moines | 9,455 | -6,873 |
| Grainte Wash | 9,577 | -6,995 |
| Granite Wash | 9,577 | -6,995 |
| AtokaATOKA LIME | 10,859 | -8,277 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,028 | 10,090 | Perforated |
| 10,028 | 10,160 | Perforated |
| 10,427 | 10,532 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,469 | 12.25 | 975 S |
| 4.5 | 10,950 | 7.875 | 350 S |
| 4.5 | 10,995 | 7.875 | 350 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 | Apr 17, 2008 | Mar 14, 2007 | Yes |
| 00 | Jan 30, 2008 | Oct 29, 2007 | Yes |
| 00 | Jan 10, 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 42-211-33792 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33792 → 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/21133792, documented in the API reference.