WELL · 42-317-34043 · DISTRICT 8
Phillips Unit #1
Martin County · Spraberry E.(tr. Area 7400-8860) field · Vertical
Phillips Unit #1 (API 42-317-34043) is a well in Martin County operated by Cobra Oil & Gas Corporation, completed August 5, 2006.
The RRC has issued 3 drilling permits between 1996 and 2007, permitted to 11,000 ft.
Completion filings report 6 formation tops, including Clear Fork, Dean, Wolfcamp, Canyon.
Its 3 leases have reported 152K barrels of oil and 129K mcf of gas since November 1996, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Wichita Falls, TX · P-5 Y, filed Dec 4, 2025 · 778 permits on file · (940) 720-2597
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cobra Oil & Gas Corporation |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Cobra Oil & Gas CorporationFeb 6, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 3
- permits on file
- Feb 6, 2007
- last permit issued
- Aug 5, 2006
- completed
- 152K
- cumulative oil, bbl
- 129K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 5, 2006
- 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Phillips Unit O-10-38029 | Knott, West (Spraberry) | Diamondback E&P LLC | 1 | 89.2K | 46.4K | Aug 2006 – Jul 2026 |
| Phillips Unit O-10-37917 | Spraberry,e.(tr. Area 7400-8860) | Cobra Oil & Gas Corporation | 1 | 0 | 0 | Aug 2006 – Mar 2007 |
| Phillips Unit O-10-35110 | Middleton (Canyon Reef) | Cobra Oil & Gas Corporation | 1 | 62.5K | 82.5K | Nov 1996 – Jan 2007 |
Oil, barrels lease total
Last 12 months 1,183 · prior 12 1,432(-17%)
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.
- 1Cobra Oil & Gas CorporationNov 1996 → May 2015
- 2Diamondback E&P LLCJun 2015 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 632888-99 | Recompletion | Cobra Oil & Gas Corporation | Feb 1, 2007 | Feb 6, 2007 | Jul 24, 2006 | 10,120 |
| 622950-99 | Recompletion | Cobra Oil & Gas Corporation | Jul 20, 2006 | Aug 1, 2006 | Jul 24, 2006 | 10,120 |
| 451445-99 | Drill | Cobra Oil & Gas Corporation | Aug 13, 1996 | Aug 13, 1996 | Sep 11, 1996 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-35110 | — | — | — | — |
| — | — O-10-37917 | — | — | — | — |
| — | — O-10-38029 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,672 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,220 | 8,696 | Perforated |
| 7,270 | 8,696 | Perforated |
| 9,342 | 9,380 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 327 | 17.5 | 375 S |
| 9.625 | 3,545 | 12.25 | 1,500 S |
| — | 10,120 | 8.75 | 455 S |
| 5.5 | — | 8.75 | 325 S |
| 5.5 | — | — | 834 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 | May 8, 2007 | Feb 7, 2007 | Yes |
| 00 | Apr 19, 2007 | Aug 17, 2006 | — |
| 00 | Mar 7, 2007 | — | — |
| 00 | Jan 8, 2007 | — | — |
| 00 | Dec 17, 1996 | Nov 12, 1996 | Yes |
| 00 | Dec 2, 1996 | — | — |
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 42-317-34043 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-34043 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31734043, documented in the API reference.