WELL · 42-227-35250 · DISTRICT 8
Davis J. W. -B- #4A
Howard County · Iatan East Howard field · Vertical
Davis J. W. -B- #4A (API 42-227-35250) is a well in Howard County operated by Grayrock Energy II LLC, completed January 29, 1998.
The RRC has issued 2 drilling permits between 1997 and 2019, permitted to 3,200 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 4 formation tops, including Grayburg, San Andres, San Angelo, Clear Fork.
Its 2 leases have reported 700K barrels of oil and 24.9K mcf of gas since January 1993, last reporting in July 2026. The leases carry 18 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, LLCOct 17, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,200
- total depth, ft
- 2
- permits on file
- Oct 17, 2019
- last permit issued
- Jan 29, 1998
- completed
- 700K
- cumulative oil, bbl
- 24.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 29, 1998
- Shut in
- —
- Plugged
- —
Surface location
32.289528, -101.205722
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 2 leases this well is completed on; they carry 18 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Davis, J. W. -B- O-10-2902 | Iatan, East Howard | Grayrock Energy II, LLC | 17 | 691K | 24.9K | Jan 1993 – Jul 2026 |
| Davis, J.W. -B- O-10-52796 | Iatan (San Andres) | Grayrock Energy II, LLC | 1 | 9.19K | 0 | Oct 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,545 · prior 12 18,245(-26%)
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 |
|---|---|---|---|---|---|---|
| 858030-99 | Recompletion | Rover Petroleum Operating, LLC | Oct 14, 2019 | Oct 17, 2019 | Oct 2, 2019 | 2,970 |
| 467389-99 | Drill | Anadarko Petroleum Corp. | Sep 10, 1997 | Nov 17, 1997 | Jan 11, 1998 | 3,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-2902 | — | — | — | — |
| — | — O-10-52796 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,264 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 1,640 | 624 |
| San Andres | 1,870 | 394 |
| San Angelo | 2,350 | -86 |
| Clear ForkCLEARFORK | 2,600 | -336 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,929 | 2,109 | Perforated |
| 2,387 | 2,572 | Perforated |
| 2,642 | 2,852 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 338 | 12.25 | 250 S |
| 5.5 | 2,965 | 7.875 | 730 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 24, 2020 | Oct 25, 2019 | — |
| 00 | Jun 30, 1998 | Apr 20, 1998 | Yes |
| 00 | Jun 18, 1998 | — | — |
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 42-227-35250 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-35250 → 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.
Davis, J. W. -B-42-227-39708
0.2 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,056 | 1,202 |
| San Andres | 1,842 | 416 |
| Glorieta | 2,412 | -154 |
| Clear Fork | 2,635 | -377 |
| Spraberry | — | |
| Leonard | — | |
| Dean | — | |
| Yates | — |
10 TOPS · FIRST 8
Davis, J. W. -B-42-227-39844
0.3 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,043 | 1,235 |
| San Andres | 1,843 | 435 |
| Glorieta | 2,411 | -133 |
| Clear Fork | 2,638 | -360 |
| Dean | — | |
| Leonard | — | |
| Wolfcamp | — | |
| Spraberry | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40115
0.4 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,043 | 1,249 |
| San Andres | 1,674 | 618 |
| Glorieta | 2,327 | -35 |
| Clear Fork | 2,650 | -358 |
| Wolfcamp | — | |
| Coleman Junction | — | |
| Dean | — | |
| Leonard | — |
10 TOPS · FIRST 8
Granville M. Dodge Est.42-227-33995
0.5 KM · Rover Petroleum Operating, LLC · Section with this well →
| San Andres | 1,840 | 426 |
| San Angelo | 2,467 | -201 |
| Clear Fork | 2,642 | -376 |
Dodge, Granville M., Est.42-227-40138
0.5 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 |
| Leonard | — | |
| Coleman Junction | — | |
| Spraberry | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40140
0.6 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,087 | 1,180 |
| San Andres | 1,677 | 590 |
| Glorieta | 2,316 | -49 |
| Clear Fork | 2,656 | -389 |
| Coleman Junction | — | |
| Dean | — | |
| Leonard | — | |
| Spraberry | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40169
0.7 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,029 | 1,221 |
| San Andres | 1,658 | 592 |
| Glorieta | 2,321 | -71 |
| Clear Fork | 2,639 | -389 |
| Spraberry | — | |
| Wolfcamp | — | |
| Yates | — | |
| Coleman Junction | — |
10 TOPS · FIRST 8
Dodge, Granville M., Est.42-227-40139
0.8 KM · Rover Petroleum Operating, LLC · Section with this well →
| Seven Rivers | 1,096 | 1,177 |
| San Andres | 1,697 | 576 |
| Glorieta | 2,341 | -68 |
| Clear Fork | 2,677 | -404 |
| Yates | — | |
| Dean | — | |
| Coleman Junction | — | |
| Spraberry | — |
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/22735250, documented in the API reference.