WELL · 42-475-35273 · DISTRICT 8
Cimarex University 18-41 B #1H
Ward County · War-Wink W. (Wolfcamp) field · Horizontal
Cimarex University 18-41 B #1H (API 42-475-35273) is a plugged horizontal well in Ward County, plugged December 2, 2022, last operated by Callon Petroleum Operating CO.
The RRC has issued one drilling permit (amended once), issued August 10, 2007, permitted to 12,200 ft.
It was permitted by Cimarex Energy CO. Of Colorado and has since transferred to Callon Petroleum Operating CO on the wellbore schedule.
Completion filings report one formation top, including Wolfcamp.
Its lease has reported 404K barrels of oil and 703K mcf of gas since April 2008, last reporting in January 2023.
Operator of record
Permitted by Cimarex Energy Co. of Colorado; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Feb 20, 2025
- Permits on file
- 1,234
- Phone
- (713) 296-6000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Callon Petroleum Operating Co |
| Production reports | Callon Petroleum Operating Cothrough Mar 2021 |
| Latest permit | Cimarex Energy Co. of ColoradoAug 10, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,200
- total depth, ft
- 2
- permits on file
- Aug 10, 2007
- last permit issued
- Apr 15, 2008
- completed
- 404K
- cumulative oil, bbl
- 703K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2008 THROUGH Jan 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 15, 2008
- Shut in
- —
- Plugged
- Dec 2, 2022
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 |
|---|---|---|---|---|---|---|
| Cimarex University 18-41 'B' O-10-39085 | War-Wink, W. (Wolfcamp) | Callon Petroleum Operating Co | 1 | 404K | 703K | Apr 2008 – Jan 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.
- 1Cimarex Energy Co. of ColoradoApr 2008 → Mar 2009
- 2Cimarex Energy Co.Apr 2009 → Jul 2018
- 3Callon Petroleum Operating CoSep 2018 → Mar 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 643926-98 | Drill | Cimarex Energy Co. of Colorado | Jan 15, 2009 | Aug 10, 2007 | Dec 1, 2007 | 12,200 |
| 643926-99 | Drill | Cimarex Energy Co. of Colorado | Aug 6, 2007 | Aug 10, 2007 | Dec 1, 2007 | 12,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-39085 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,837 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wolfcamp | 11,300 | -8,463 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,001 | 15,364 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 850 | 17.5 | 740 S |
| 9.625 | 5,135 | 12.25 | 1,675 S |
| 7 | 11,720 | 8.75 | 1,100 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 | Mar 4, 2009 | Jul 7, 2008 | Yes |
| 00 | Feb 9, 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.
- Wellbore filings for 42-475-35273 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-475-35273 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/47535273, documented in the API reference.