WELL · 42-329-34481 · DISTRICT 8
Interstate B #503H
Midland County · Midland SW. (Devonian) field · Horizontal
Interstate B #503H (API 42-329-34481) is a horizontal well in Midland County operated by Endeavor Energy Resources L.P., completed May 5, 2001.
The RRC has issued 2 drilling permits between 2001 and 2013, permitted to 12,500 ft.
Completion filings report 7 formation tops, including Spraberry, Dean, Wolfcamp, Strawn.
Its 2 leases have reported 285K barrels of oil and 1.02M mcf of gas since May 2001, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 12, 2026
- Permits on file
- 6,190
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Endeavor Energy Resources L.P.through Apr 2024 |
| Latest permit | Endeavor Energy Resources L.P.Oct 14, 2013 |
- 12,500
- total depth, ft
- 2
- permits on file
- Oct 14, 2013
- last permit issued
- May 5, 2001
- completed
- 285K
- cumulative oil, bbl
- 1.02M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2001 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 5, 2001
- 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.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Interstate B O-10-45739 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 285K | 292K | Feb 2014 – Jul 2026 |
| Interstate "B" G-10-184047 | Midland, SW. (Devonian) | Endeavor Energy Resources L.P. | 1 | 0 | 731K | May 2001 – Jan 2022 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1CMS Oil and Gas CompanyMay 2001 → Sep 2002
- 2Perenco Inc.Oct 2002 → Oct 2002
- 3Perenco LLCNov 2002 → Apr 2005
- 4LCX Energy, LLCMay 2005 → Sep 2009
- 5Endeavor Energy Resources L.P.Oct 2009 → Apr 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 768953-99 | Recompletion | Endeavor Energy Resources L.P. | Aug 26, 2013 | Oct 14, 2013 | Nov 17, 2013 | 12,000 |
| 504227-99 | Drill | CMS Oil and Gas Company | Jan 18, 2001 | Jan 19, 2001 | Feb 28, 2001 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-184047 | — | — | — | — |
| — | — O-10-45739 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,821 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,570 | 13,460 | Perforated |
| 12,177 | 16,407 | Perforated |
| 16,705 | 20,875 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 350 | 17.5 | 300 S |
| 9.625 | 5,925 | 9.625 | 1,860 S |
| 9.625 | 5,925 | 12.25 | 1,860 S |
| 7 | 11,930 | 8.75 | 950 S |
| 4.5 | 13,555 | 8.75 | 328 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 | Feb 5, 2024 | Nov 16, 2023 | — |
| 00 | Feb 18, 2015 | Aug 20, 2014 | Yes |
| 00 | Oct 24, 2001 | Jul 12, 2001 | Yes |
| 00 | Sep 5, 2001 | — | 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 42-329-34481 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-34481 → 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/32934481, documented in the API reference.