TEXAS · WELLS · CULBERSON COUNTY · GRISSOM A LEASE · API 42-109-33083 · DISTRICT 7B

Grissom A #3021H

Y

Culberson County · Ford West (Wolfcamp) field · Producing  · Horizontal

Grissom A #3021H (API 42-109-33083) is a horizontal well in Culberson County operated by Cog Operating LLC, completed October 19, 2017 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 16, 2017, permitted to 10,349 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

COG Operating LLC

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 scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Jul 2025
Latest permitCOG Operating LLCMar 16, 2017
10,349
total depth, ft
1
permits on file
Mar 16, 2017
last permit issued
Oct 19, 2017
completed
0
cumulative oil, bbl
2.92M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 19, 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Grissom A G-10-283764Ford, West (Wolfcamp)COG Operating LLC102.92MOct 2017 – Jul 2026

Gas, mcf lease total

Last 12 months 12,987 · prior 12 83,002(-84%)

010K20K30K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1COG Operating LLCOct 2017 → Jul 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
824197-99DrillCOG Operating LLCMar 7, 2017Mar 16, 2017Jul 25, 201710,600

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 19, 2017Grissom A G-10-283764Ford West (Wolfcamp)COG Operating LLCProducing10,349

Formation tops

As filed on W-2/G-1. Subsea from 3,287 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler4532,834
DelawareFORD-DELAWARE2,500787
Delaware2,600687
Cherry Canyon3,416-129
Bone SpringBONE SPRINGS6,141-2,854
Mississippian8,900-5,613
Wolfcamp9,190-5,903
Atoka——
Morrow——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
10,54314,995Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62563212.25475 S
79,7138.75875 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 20, 2018Jan 5, 2018Yes

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.

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/10933083, documented in the API reference.