WELL · 42-329-31741 · DISTRICT 8
Milliken -34- #1
Midland County · Sand Walking (Fusselman) field · Vertical
Milliken -34- #1 (API 42-329-31741) is a well in Midland County operated by Enron Oil & Gas Company, completed February 5, 1987.
The RRC has issued 3 drilling permits between 1986 and 2012, permitted to 13,500 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Enron Oil & Gas Company on the wellbore schedule.
Completion filings report 13 formation tops, including Spraberry, Wlfcp Shale Mrkr, Wolfcamp, Strawn.
Its lease has reported 111K barrels of oil and 149K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Sep 3, 1999 · 2,825 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Enron Oil & Gas Company |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.Oct 16, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,500
- total depth, ft
- 3
- permits on file
- Oct 16, 2012
- last permit issued
- Feb 5, 1987
- completed
- 111K
- cumulative oil, bbl
- 149K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 5, 1987
- 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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Milliken 34 O-10-32343 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 111K | 149K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,883 · prior 12 1,193(+58%)
Gas, mcf lease total
Last 12 months 4,903 · prior 12 2,817(+74%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Enron Oil & Gas CompanyJan 1993 → Aug 1993
- 2Stephens, Autry C.Sep 1993 → Aug 2000
- 3Endeavor Energy Resources L.P.Sep 2000 → Dec 2024
- 4Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 749536-99 | Recompletion | Endeavor Energy Resources L.P. | Oct 8, 2012 | Oct 16, 2012 | Oct 25, 2011 | 13,006 |
| 359424-99 | Recompletion | Enron Oil & Gas Company | May 17, 1989 | May 25, 1989 | — | 9,600 |
| 320559-99 | Drill | Belco Development Corporation | Sep 15, 1986 | Sep 17, 1986 | — | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-32343 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,743 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 7,744 | -5,001 |
| Wlfcp Shale Mrkr | 9,284 | -6,541 |
| WolfcampWOLFCAMP SHALE MARKER | 9,284 | -6,541 |
| StrawnSTRAWN LIME | 10,005 | -7,262 |
| Atoka | 10,973 | -8,230 |
| MississippianMISSISSIPPI LIME | 11,691 | -8,948 |
| MississippianMISS. LIME | 11,691 | -8,948 |
| WoodfordWOODFORD SHALE | 11,719 | -8,976 |
| Silur-Devonian | 11,848 | -9,105 |
| Silurian (undifferentiated)SILURIAN | 12,314 | -9,571 |
| Fusselman | 12,470 | -9,727 |
| Montoya | 12,510 | -9,767 |
| Simpson | 12,662 | -9,919 |
| Ellenburger | 12,942 | -10,199 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,758 | 7,996 | Perforated |
| 7,758 | 10,837 | Perforated |
| 8,012 | 8,133 | Perforated |
| 8,604 | 8,677 | Perforated |
| 8,841 | — | Perforated |
| 9,095 | 9,312 | Perforated |
| 12,480 | 12,505 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 400 | 17.5 | 300 S |
| 9.625 | 4,500 | 12.25 | 1,650 S |
| 7 | 9,800 | 8.75 | 850 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 30, 2013 | Oct 30, 2012 | — |
| 00 | Sep 12, 1989 | Aug 18, 1989 | Yes |
| 00 | Sep 1, 1989 | — | — |
| 00 | Mar 27, 1987 | Feb 27, 1987 | Yes |
| 00 | Mar 24, 1987 | — | — |
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 42-329-31741 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-31741 → 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/32931741, documented in the API reference.