WELL · 42-389-34204 · DISTRICT 8
Greathouse C21-6 Unit #1H
Reeves County · Phantom (Wolfcamp) field · Horizontal
Greathouse C21-6 Unit #1H (API 42-389-34204) is a horizontal well in Reeves County operated by Cimarex Energy CO., completed October 9, 2014.
The RRC has issued one drilling permit (amended once), issued April 12, 2014, permitted to 11,640 ft.
Completion filings report 8 formation tops, including Permian (undifferentiated), Castile, Delaware, Bell Canyon.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Jul 8, 2025
- Permits on file
- 2,082
- Phone
- (432) 571-7800
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cimarex Energy Co. |
| Production reports | Coterra Energy Operating Co.through Apr 2026 |
| Latest permit | Cimarex Energy Co.Apr 12, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,640
- total depth, ft
- 2
- permits on file
- Apr 12, 2014
- last permit issued
- Oct 9, 2014
- completed
- 0
- cumulative oil, bbl
- 4.04M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 9, 2014
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Greathouse C21-6 Unit G-10-282965 | Phantom (Wolfcamp) | Coterra Energy Operating Co. | 1 | 0 | 4.04M | Oct 2014 – Jul 2026 |
| Greathouse C21-6 Unit O-10-46445 | Phantom (Wolfcamp) | Cimarex Energy Co. | 1 | 0 | 0 | Oct 2014 – Mar 2018 |
Gas, mcf lease total
Last 12 months 135,134 · prior 12 142,420(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cimarex Energy Co.Oct 2014 → Oct 2025
- 2Coterra Energy Operating Co.Nov 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 781659-98 | Drill | Cimarex Energy Co. | Apr 23, 2014 | Apr 12, 2014 | Jul 13, 2014 | 11,640 |
| 781659-99 | Drill | Cimarex Energy Co. | Mar 10, 2014 | Apr 12, 2014 | — | 11,640 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-282965 | — | — | — | — |
| — | — O-10-46445 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,056 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Permian (undifferentiated)PERMIAN | 200 | 2,856 |
| CastileCASTILLE | 1,875 | 1,181 |
| Delaware | 3,531 | -475 |
| DelawareDELAWARE CONSOLIDATED GAS | 3,531 | -475 |
| DelawareFORD-DELAWARE | 3,531 | -475 |
| Bell Canyon | 3,560 | -504 |
| Cherry Canyon | 4,503 | -1,447 |
| Bone SpringBONE SPRINGS | 7,136 | -4,080 |
| Wolfcamp | 10,292 | -7,236 |
| Bell Canyon | — | — |
| Bone SpringBONE SPRINGS | — | — |
| CastileCASTILLE | — | — |
| Cherry Canyon | — | — |
| Delaware | — | — |
| DelawareDELAWARE CONSOLIDATED GAS | — | — |
| DelawareFORD-DELAWARE | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,003 | 18,495 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 768 | 17.5 | 700 S |
| 9.625 | 3,487 | 12.25 | 1,700 S |
| 7 | 11,060 | 8.75 | 925 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 | Jan 11, 2018 | Sep 18, 2017 | Yes |
| 00 | Mar 13, 2017 | Jan 4, 2017 | — |
| 00 | Jul 17, 2015 | Jan 29, 2015 | Yes |
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 42-389-34204 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-34204 → 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/38934204, documented in the API reference.