WELL · 42-207-32186 · DISTRICT 7
Clark-Ulmer Unit #1
Haskell County · Sagerton NE. (Strawn UP) field · Vertical
Clark-Ulmer Unit #1 (API 42-207-32186) is a plugged well in Haskell County, plugged November 1, 2017, last operated by Ray Herring Operating CO. LLC.
The RRC has issued one drilling permit (amended twice), issued February 18, 1992, permitted to 6,200 ft.
It was permitted by Herring, Ray and has since transferred to Ray Herring Operating CO. LLC on the wellbore schedule.
Completion filings report one formation top, including Mississippian.
Its lease has reported 31.9K barrels of oil and 44.7K mcf of gas since January 1993, last reporting in April 2018.
Operator of record
Permitted by Herring, Ray; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed Dec 4, 2025 · 8 permits on file · (940) 550-8988
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ray Herring Operating Co. LLC |
| Production reports | Ray Herring Operating Co., LLCthrough Apr 2018 |
| Latest permit | Herring, RayFeb 18, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,200
- total depth, ft
- 3
- permits on file
- Feb 18, 1992
- last permit issued
- Apr 22, 1992
- completed
- 31.9K
- cumulative oil, bbl
- 44.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 22, 1992
- Shut in
- —
- Plugged
- Nov 1, 2017
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 |
|---|---|---|---|---|---|---|
| Clark-Ulmer Unit O-8-26525 | Sagerton, NE. (Strawn, UP) | Ray Herring Operating Co., LLC | 1 | 31.9K | 44.7K | Jan 1993 – Apr 2018 |
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.
- 1Herring, RayJan 1993 → Jun 2014
- 2Ray Herring EstateJul 2014 → Feb 2016
- 3Ray Herring Operating Co., LLCJul 2016 → Apr 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 396475-97 | Drill | Herring, Ray | May 4, 1992 | Feb 18, 1992 | Feb 22, 1992 | 6,200 |
| 396475-98 | Drill | Herring, Ray | Mar 19, 1992 | Feb 18, 1992 | — | 6,200 |
| 396475-99 | Drill | Herring, Ray | Feb 6, 1992 | Feb 18, 1992 | — | 6,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-26525 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,637 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| MississippianMISSISSIPPIAN LIME | 5,858 | -4,221 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,357 | 5,365 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 137 | 12.25 | 120 S |
| 4.5 | 5,500 | 7.875 | 151 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 | Jun 12, 1992 | May 12, 1992 | Yes |
| 00 | May 19, 1992 | — | — |
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 42-207-32186 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-207-32186 → 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/20732186, documented in the API reference.