WELL · 42-227-39707 · DISTRICT 8
Denman L. C. -B- #4A
Howard County · Iatan East Howard field · Producing · Vertical
Denman L. C. -B- #4A (API 42-227-39707) is a well in Howard County operated by Grayrock Energy II LLC, completed October 2, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 30, 2018, permitted to 3,000 ft.
It was permitted by Rover Petroleum Operating, LLC and has since transferred to Grayrock Energy II LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Seven Rivers, San Andres, Glorieta, Clear Fork.
Its lease has reported 278K barrels of oil and 264 mcf of gas since January 1993, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Rover Petroleum Operating, LLC; the EWA schedule now lists a different operator.
Fort Worth, TX · P-5 Y, filed Aug 4, 2025 · (214) 234-9115
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Grayrock Energy II LLC |
| Production reports | Grayrock Energy II, LLCthrough Apr 2026 |
| Latest permit | Rover Petroleum Operating, LLCJul 30, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,000
- total depth, ft
- 1
- permits on file
- Jul 30, 2018
- last permit issued
- Oct 2, 2018
- completed
- 278K
- cumulative oil, bbl
- 264
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 2, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
32.285588, -101.215278
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Howard 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; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Denman, L. C. -B- O-10-2904 | Iatan, East Howard | Grayrock Energy II, LLC | 9 | 278K | 264 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 5,010 · prior 12 5,258(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko Petroleum CorporationJan 1993 → Nov 2004
- 2Merit Energy CompanyDec 2004 → May 2017
- 3Rover Petroleum Operating, LLCJun 2017 → Dec 2023
- 4Grayrock Energy II, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 842905-99 | Drill | Rover Petroleum Operating, LLC | Jul 27, 2018 | Jul 30, 2018 | Sep 10, 2018 | 3,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-2904 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,426 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Seven Rivers | 1,069 | 1,357 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 1,866 | 560 |
| Glorieta | 2,442 | -16 |
| Clear ForkCLEARFORK - SEVERE WATER FLOWS | 2,678 | -252 |
| Coleman Junction | — | — |
| Dean | — | — |
| Leonard | — | — |
| Spraberry | — | — |
| Wolfcamp | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,481 | 2,653 | Perforated |
| 2,692 | 2,903 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 196 | 12.25 | 130 S |
| 5.5 | 3,013 | 7.875 | 865 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 | May 30, 2019 | Mar 1, 2019 | 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 42-227-39707 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-39707 → 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.
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.
Dodge, Granville M., Est.42-227-40291
0.4 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,065 | 1,192 |
| San Andres | 1,671 | 586 |
| Glorieta | 2,339 | -82 |
| Clear Fork | 2,676 | -419 |
| Spraberry | — | |
| Dean | — | |
| Wolfcamp | — | |
| Leonard | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40290
0.4 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,083 | 1,177 |
| San Andres | 1,675 | 585 |
| Glorieta | 2,333 | -73 |
| Clear Fork | 2,690 | -430 |
| Coleman Junction | — | |
| Yates | — | |
| Wolfcamp | — | |
| Spraberry | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-39858
0.5 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,075 | 1,199 |
| San Andres | 1,868 | 406 |
| Glorieta | 2,476 | -202 |
| Clear Fork | 2,697 | -423 |
| Leonard | — | |
| Coleman Junction | — | |
| Dean | — | |
| Yates | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40138
0.7 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,061 | 1,187 |
| San Andres | 1,674 | 574 |
| Glorieta | 2,332 | -84 |
| Clear Fork | 2,660 | -412 |
| Spraberry | — | |
| Leonard | — | |
| Coleman Junction | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40172
0.7 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,082 | 1,165 |
| San Andres | 1,681 | 566 |
| Glorieta | 2,343 | -96 |
| Clear Fork | 2,662 | -415 |
| Spraberry | — | |
| Leonard | — | |
| Yates | — | |
| Coleman Junction | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-39964
0.7 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,090 | 1,240 |
| San Andres | 1,903 | 427 |
| Glorieta | 2,491 | -161 |
| Clear Fork | 2,721 | -391 |
| Wolfcamp | — | |
| Coleman Junction | — | |
| Dean | — | |
| Leonard | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40180
0.8 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,093 | 1,174 |
| San Andres | 1,715 | 552 |
| Glorieta | 2,424 | -157 |
| Clear Fork | 2,738 | -471 |
| Coleman Junction | — | |
| Yates | — | |
| Wolfcamp | — | |
| Spraberry | — |
10 TOPS · FIRST 8
Granville M. Dodge Estate42-227-34934
0.8 KM · Rover Petroleum Operating, LLC · Section with this well →
| San Andres | 1,663 | 608 |
| San Angelo | 2,440 | -169 |
| Clear Fork | 2,676 | -405 |
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/22739707, documented in the API reference.