WELL · 42-227-42811 · DISTRICT 10
Bull 33-45 Unit #4WB
Howard County · Horizontal
Bull 33-45 Unit #4WB (API 42-227-42811) is a permitted horizontal well in Howard County filed by Diamondback E&P LLC; no completion report is on file yet.
The RRC has issued one drilling permit, issued January 12, 2026, permitted to 13,000 ft.
Completion filings report 10 formation tops, including Yates, Seven Rivers, San Andres, Glorieta.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Diamondback E&P LLCJan 12, 2026 |
- 13,000
- total depth, ft
- 1
- permits on file
- Jan 12, 2026
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 912669-99 | Drill | Diamondback E&P LLC | Jan 8, 2026 | Jan 12, 2026 | Jan 25, 2026 | 13,000 |
Formation tops
As filed on W-2/G-1. Subsea from 2,488 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,837 | 651 |
| Seven Rivers | 2,060 | 428 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,402 | -914 |
| Glorieta | 4,267 | -1,779 |
| Clear ForkCLEARFORK - SEVERE WATER FLOWS | 5,111 | -2,623 |
| Spraberry | 6,281 | -3,793 |
| Dean | — | — |
| Leonard | — | — |
| Rustler | — | — |
| Santa Rosa | — | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 972 | 17.5 | 920 S |
| 8.625 | 7,263 | 11 | 1,030 S |
| 6 | 23,618 | 7.875 | 2,335 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 | Sep 25, 2026 | Jul 23, 2026 | 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 42-227-42811 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-42811 → 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.
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/22742811, documented in the API reference.