WELL · 42-109-33125 · DISTRICT 8

Grissom #1835H

Y

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

Grissom #1835H (API 42-109-33125) is a horizontal well in Culberson County operated by Cog Operating LLC, completed July 17, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 12, 2017, permitted to 9,600 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

Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Dec 2025
Latest permitCOG Operating LLCJul 12, 2017
9,600
total depth, ft
1
permits on file
Jul 12, 2017
last permit issued
Jul 17, 2018
completed
0
cumulative oil, bbl
1.44M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 17, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.969748, -104.105156

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Culberson County.

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 G-10-286331Ford, West (Wolfcamp)COG Operating LLC101.44MJul 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 5,147 · prior 12 49,216(-90%)

05K10K15K202420252026

Chain of custody

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

  1. 1COG Operating LLCJul 2018 → Dec 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
827333-99DrillCOG Operating LLCJun 1, 2017Jul 12, 2017Dec 2, 20179,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-286331————

Formation tops

As filed on W-2/G-1. Subsea from 3,132 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler5222,610
DelawareFORD-DELAWARE2,369763
Delaware2,500632
Cherry Canyon3,600-468
Bone SpringBONE SPRINGS6,054-2,922
Mississippian8,900-5,768
Wolfcamp9,066-5,934
Atoka11,600-8,468
Morrow11,800-8,668
Strawn12,800-9,668

Perforations

Perforated and open-hole intervals.

FromToType
9,53314,082Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37543517.5450 S
9.6252,38312.25900 S
78,7628.75650 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
00May 6, 2019Jan 9, 2019Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Grissom42-109-33124

0.0 KM · COG Operating LLC · Section with this well →

Rustler5282,605
Delaware2,375758
Delaware2,600533
Cherry Canyon3,309-176
Bone Spring6,060-2,927
Mississippian8,900-5,767
Morrow—
Strawn—

10 TOPS · FIRST 8

Grissom42-109-33117

0.0 KM · COG Operating LLC · Section with this well →

Rustler5242,609
Delaware2,367766
Delaware2,500633
Cherry Canyon3,301-168
Bone Spring6,052-2,919
Mississippian8,900-5,767
Wolfcamp9,064-5,931
Atoka—

10 TOPS · FIRST 8

Grissom42-109-33116

0.0 KM · COG Operating LLC · Section with this well →

Rustler5252,609
Delaware2,368766
Delaware2,500634
Cherry Canyon3,302-168
Bone Spring6,150-3,016
Wolfcamp7,900-4,766
Mississippian8,900-5,766
Atoka—

10 TOPS · FIRST 8

Hay Blake 7/642-109-33505

0.2 KM · Chevron U. S. A. Inc. · Section with this well →

Brushy Canyon4,577-1,456
Bone Spring6,113-2,992
Avalon6,215-3,094
Bone Spring7,002-3,881
Bone Spring7,772-4,651
Bone Spring8,770-5,649
Atoka—
Strawn—

15 TOPS · FIRST 8

Hay Blake 7/642-109-33504

0.2 KM · Chevron U. S. A. Inc. · Section with this well →

Lamar2,392729
Bell Canyon2,424697
Cherry Canyon3,295-174
Brushy Canyon4,569-1,448
Bone Spring6,095-2,974
Avalon6,193-3,072
Bone Spring6,996-3,875
Mississippian—

15 TOPS · FIRST 8

Hay Blake 7/642-109-33503

0.2 KM · Chevron U. S. A. Inc. · Section with this well →

Lamar2,385736
Bell Canyon2,419702
Cherry Canyon3,295-174
Brushy Canyon4,572-1,451
Bone Spring6,092-2,971
Avalon6,194-3,073
Bone Spring6,992-3,871
Bone Spring7,764-4,643

16 TOPS · FIRST 8

Hay Blake 7/642-109-33502

0.2 KM · Chevron U. S. A. Inc. · Section with this well →

Cherry Canyon3,291-170
Brushy Canyon4,557-1,436
Bone Spring6,093-2,972
Avalon6,186-3,065
Avalon6,186-3,065
Bone Spring6,987-3,866
Bone Spring7,753-4,632
Bone Spring8,752-5,631

11 TOPS · FIRST 8

Hay Blake 7/642-109-33501

0.2 KM · Chevron U. S. A. Inc. · Section with this well →

Lamar2,391730
Bell Canyon2,425696
Cherry Canyon3,299-178
Brushy Canyon4,548-1,427
Bone Spring6,091-2,970
Avalon6,190-3,069
Bone Spring6,986-3,865
Rustler—

10 TOPS · FIRST 8

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/10933125, documented in the API reference.