WELL · 42-227-31547 · DISTRICT 8
Kloh #21
Howard County · Howard Glasscock field · Vertical
Kloh #21 (API 42-227-31547) is a well in Howard County operated by Cimarex Energy CO. Of Colorado, completed March 1, 1996.
The RRC has issued 2 drilling permits between 1978 and 1999, permitted to 2,700 ft.
It was permitted by Kerr-Mcgee Corporation and has since transferred to Cimarex Energy CO. Of Colorado on the wellbore schedule.
Its 2 leases have reported 2.84M barrels of oil and 751 mcf of gas since January 1993, last reporting in July 2026. The leases carry 168 wells, so these are lease totals, not this well alone.
Operator of record
Cimarex Energy Co. of Colorado
Permitted by Kerr-McGee Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Feb 4, 2026 · 476 permits on file · (800) 969-4789
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cimarex Energy Co. of Colorado |
| Production reports | Grayrock Energy II, LLCthrough Apr 2026 |
| Latest permit | Kerr-McGee CorporationAug 13, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,700
- total depth, ft
- 2
- permits on file
- Aug 13, 1999
- last permit issued
- Mar 1, 1996
- completed
- 2.84M
- cumulative oil, bbl
- 751
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 1, 1996
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 168 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Kloh O-10-42224 | Howard Glasscock (Consolidated) | Grayrock Energy II, LLC | 80 | 997K | 0 | Dec 2011 – Jul 2026 |
| Kloh O-10-2748 | Howard Glasscock | Cimarex Energy Co. of Colorado | 88 | 1.84M | 751 | Jan 1993 – Mar 2013 |
Oil, barrels lease total
Last 12 months 53,283 · prior 12 62,842(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Southland Royalty CompanyJan 1993 → Feb 1996
- 2Meridian Oil Inc.Mar 1996 → Jul 1996
- 3Burlington Resources Oil&gas Co.Aug 1996 → Apr 1997
- 4Gruy Petroleum Management Co.May 1997 → Apr 2006
- 5Oryx Energy CompanyFeb 1998 → Mar 1999
- 6Kerr-McGee CorporationApr 1999 → Sep 1999
- 7Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Dec 2002
- 8Cimarex Energy Co. of ColoradoMay 2006 → Dec 2012
- 9Merit Energy CompanyJan 2013 → May 2017
- 10Rover Petroleum Operating, LLCJun 2017 → Dec 2023
- 11Grayrock Energy II, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 486347-99 | Reclass | Kerr-McGee Corporation | Aug 3, 1999 | Aug 13, 1999 | Dec 8, 1999 | 2,633 |
| 16360-99 | Drill | Shenandoah Oil Corp. | Jan 4, 1978 | Jan 4, 1978 | Mar 7, 1978 | 2,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-2748 | — | — | — | — |
| — | — O-10-2748 | — | — | — | — |
| — | — O-10-42224 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,154 | 2,500 | Perforated |
| 2,300 | 2,500 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 311 | 12.25 | 200 S |
| 9.625 | 311 | — | 200 S |
| 7 | 2,569 | 8.75 | 525 S |
| 7 | 2,633 | 8.75 | 525 S |
| 7 | 2,633 | — | 525 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 6, 2013 | Apr 4, 2003 | — |
| 00 | Jun 4, 2003 | Apr 4, 2003 | — |
| 00 | Oct 23, 1996 | Mar 12, 1996 | — |
| 00 | Oct 3, 1996 | Apr 17, 1978 | — |
| 00 | Jan 12, 1984 | Apr 17, 1978 | — |
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 42-227-31547 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-31547 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 3.12M
- bbl, all reported
- Dec 2003
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000073819 | H-1 Injection | Canceled Oct 30, 2003 | 2,500 | 1,000 | 2,154–2,500 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/22731547, documented in the API reference.