WELL · 42-173-33778 · DISTRICT 8
Dolphin 12 #1
Glasscock County · Vertical
Dolphin 12 #1 (API 42-173-33778) is a permitted well in Glasscock County filed by Apache Corporation; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2010 and 2011, permitted to 11,000 ft.
Completion filings report 3 formation tops, including Wolfcamp, Cline, Strawn.
Its lease has reported 97.4K barrels of oil and 549K mcf of gas since November 2010, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Apache Corporationthrough Apr 2026 |
| Latest permit | Apache CorporationSep 28, 2011 |
- 11,000
- total depth, ft
- 2
- permits on file
- Sep 28, 2011
- last permit issued
- —
- completed
- 97.4K
- cumulative oil, bbl
- 549K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2010 THROUGH Jul 2026
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.
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Dolphin 12 O-10-40926 | Spraberry (Trend Area) | Apache Corporation | 4 | 97.4K | 549K | Nov 2010 – Jul 2026 |
Gas, mcf lease total
Last 12 months 14,184 · prior 12 23,091(-39%)
Oil, barrels lease total
Last 12 months 2,528 · prior 12 2,231(+13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mariner Energy, Inc.Nov 2010 → Nov 2010
- 2Apache CorporationDec 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 725021-99 | Recompletion | Apache Corporation | Sep 26, 2011 | Sep 28, 2011 | Sep 23, 2010 | 10,525 |
| 701503-99 | Drill | Mariner Energy, Inc. | Aug 31, 2010 | Sep 1, 2010 | Sep 23, 2010 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40926 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,600 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,673 | 8,786 | Perforated |
| 8,839 | 9,524 | Perforated |
| 9,566 | 10,129 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 565 | 17.5 | 400 S |
| 5.5 | 10,525 | 8.75 | 1,550 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 | Dec 14, 2011 | Dec 28, 2010 | 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 42-173-33778 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-33778 → 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/17333778, documented in the API reference.