TEXAS · WELLS · CULBERSON COUNTY · GRISSOM LEASE · API 42-109-32971 · DISTRICT 7B
Grissom #1821H
Culberson County · Ford West (Wolfcamp) field · Producing · Horizontal
Grissom #1821H (API 42-109-32971) is a horizontal well in Culberson County operated by Cog Operating LLC, completed February 7, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 9, 2016, permitted to 10,416 ft.
Completion filings report 9 formation tops, including Rustler, Delaware, Cherry Canyon, Bone Spring.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | COG Operating LLCSep 9, 2016 |
- 10,416
- total depth, ft
- 1
- permits on file
- Sep 9, 2016
- last permit issued
- Feb 7, 2017
- completed
- 0
- cumulative oil, bbl
- 3.97M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 7, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Grissom G-10-282200 | Ford, West (Wolfcamp) | COG Operating LLC | 1 | 0 | 3.97M | Feb 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 162,245 · prior 12 62,381(+160%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCFeb 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 818256-99 | Drill | COG Operating LLC | Sep 2, 2016 | Sep 9, 2016 | Dec 8, 2016 | 10,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 7, 2017 | Grissom G-10-282200 | Ford West (Wolfcamp) | COG Operating LLC | Producing | 10,416 |
Formation tops
As filed on W-2/G-1. Subsea from 3,293 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 489 | 2,804 |
| DelawareFORD-DELAWARE | 2,500 | 793 |
| Delaware | 2,600 | 693 |
| Cherry Canyon | 3,452 | -159 |
| Bone SpringBONE SPRINGS | 6,177 | -2,884 |
| Mississippian | 8,900 | -5,607 |
| Wolfcamp | 9,232 | -5,939 |
| Atoka | — | — |
| Morrow | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,866 | 15,199 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 425 | 17.5 | 450 S |
| 9.625 | 2,567 | 12.25 | 950 S |
| 7 | 9,713 | 8.75 | 1,050 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 15, 2017 | Apr 12, 2017 | 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 42-109-32971 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-109-32971 → 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/10932971, documented in the API reference.