WELL · 42-089-32175 · DISTRICT 3
Delta D. Z. #1
Colorado County · Rock Island South (2550) field · Producing · Vertical
Delta D. Z. #1 (API 42-089-32175) is a well in Colorado County operated by Marwell Petroleum Ltd Partnrship, completed October 25, 1999 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 11, 1999, permitted to 3,215 ft.
It was permitted by United Texas Petroleum Inc. and has since transferred to Marwell Petroleum Ltd Partnrship on the wellbore schedule.
Completion filings report one formation top, including Frio.
No lease production has been reported under this well’s leases.
Operator of record
Marwell Petroleum Ltd Partnrship
Permitted by United Texas Petroleum Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 2 permits on file · (575) 725-0324
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Marwell Petroleum Ltd Partnrship |
| Production reports | Marwell Petroleum Ltd Partnrshipthrough Apr 2026 |
| Latest permit | Southcoast Natural Resources LLCOct 11, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,215
- total depth, ft
- 2
- permits on file
- Oct 11, 1999
- last permit issued
- Oct 25, 1999
- completed
- 0
- cumulative oil, bbl
- 817K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 25, 1999
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Delta, D. Z. G-3-179739 | Rock Island, South (2550) | Marwell Petroleum Ltd Partnrship | 1 | 0 | 817K | Oct 1999 – Jul 2026 |
Gas, mcf lease total
Last 12 months 42,371 · prior 12 20,543(+106%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1United Texas Petroleum Inc.Oct 2000 → Feb 2012
- 2Quanah Operating LLCMar 2012 → Aug 2012
- 3Marwell Petroleum Ltd PartnrshipSep 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 488355-98 | Drill | United Texas Petroleum Inc. | Sep 7, 2000 | Oct 11, 1999 | Oct 13, 1999 | 3,215 |
| 488355-99 | Drill | Southcoast Natural Resources LLC | Oct 11, 1999 | Oct 11, 1999 | — | 3,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-179739 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 223 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Frio | 2,754 | -2,531 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,754 | 2,766 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 338 | 12.25 | 166 S |
| 4.5 | 3,210 | 7.875 | 710 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 22, 2001 | Nov 3, 2000 | Yes |
| 00 | Dec 4, 2000 | — | — |
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 42-089-32175 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-089-32175 → 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/08932175, documented in the API reference.