TEXAS · WELLS · MIDLAND COUNTY · BULSTERBAUM "26" LEASE · API 42-329-34660 · DISTRICT 7B
Bulsterbaum 26 #1
Midland County · Spraberry (Trend Area) field · Producing · Vertical
Bulsterbaum 26 #1 (API 42-329-34660) is a well in Midland County operated by Diamondback E&P LLC, completed November 26, 2001 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 13, 2001, permitted to 10,859 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Dean, Wolfcamp, Pennsylvanian.
Its lease has reported 87.1K barrels of oil and 136K mcf of gas since August 2001, last reporting volume in April 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,251
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.Sep 13, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,859
- total depth, ft
- 1
- permits on file
- Sep 13, 2001
- last permit issued
- Nov 26, 2001
- completed
- 87.1K
- cumulative oil, bbl
- 136K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2001 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 26, 2001
- 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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bulsterbaum "26" O-10-36724 | Spraberry (Trend Area) | Diamondback E&P LLC | 2 | 87.1K | 136K | Aug 2001 – Apr 2026 |
Oil, barrels lease total
Last 12 months 1,103 · prior 12 352(+213%)
Gas, mcf lease total
Last 12 months 1,229 · prior 12 7
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Aug 2001 → Jul 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 513336-99 | Drill | Endeavor Energy Resources L.P. | Sep 4, 2001 | Sep 13, 2001 | Oct 7, 2001 | 11,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 26, 2001 | Bulsterbaum 26 O-10-36724 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 10,859 |
Formation tops
As filed on W-2/G-1. Subsea from 2,785 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| SpraberryUPPER SPRABERRY | 7,606 | -4,821 |
| SpraberryLOWER SPRABERRY | 8,137 | -5,352 |
| Dean | 8,940 | -6,155 |
| Wolfcamp | 9,176 | -6,391 |
| PennsylvanianPENN | 10,478 | -7,693 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,299 | 10,371 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 280 | 17.5 | 270 S |
| 8.625 | 5,105 | 11 | 425 S |
| 4.5 | 10,850 | 7.875 | 1,270 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 9, 2002 | Apr 10, 2002 | Yes |
| 00 | Jul 5, 2002 | — | — |
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 42-329-34660 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-34660 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/32934660, documented in the API reference.