TEXAS · WELLS · GLASSCOCK COUNTY · COLE RANCH "45" LEASE · API 42-173-33273 · DISTRICT 7B
Cole Ranch 45 #1
Glasscock County · Spraberry (Trend Area) field · Producing · Vertical
Cole Ranch 45 #1 (API 42-173-33273) is a well in Glasscock County operated by Diamondback E&P LLC, completed March 25, 2007 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued December 14, 2006, permitted to 8,547 ft.
It was permitted by Reef Exploration, L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Jo Mill, Dean.
Its lease has reported 20.5K barrels of oil and 59.4K mcf of gas since April 2007, last reporting in July 2026.
Operator of record
Permitted by Reef Exploration, L.P.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Feb 2026 |
| Latest permit | Reef Exploration, L.P.Dec 14, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,547
- total depth, ft
- 2
- permits on file
- Dec 14, 2006
- last permit issued
- Mar 25, 2007
- completed
- 20.5K
- cumulative oil, bbl
- 59.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 25, 2007
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Cole Ranch "45" O-10-38311 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 20.5K | 59.4K | Apr 2007 – Jul 2026 |
Oil, barrels lease total
Last 12 months 326 · prior 12 393(-17%)
Gas, mcf lease total
Last 12 months 389 · prior 12 2,373(-84%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Reef Exploration, L.P.Apr 2007 → Jun 2011
- 2Energen Resources CorporationJul 2011 → Jan 2019
- 3Diamondback E&P LLCFeb 2019 → Feb 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 630556-98 | Drill | Reef Exploration, L.P. | Jan 3, 2007 | Dec 14, 2006 | Jan 3, 2007 | 8,750 |
| 630556-99 | Drill | Reef Exploration, L.P. | Dec 14, 2006 | Dec 14, 2006 | Jan 3, 2007 | 8,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 25, 2007 | Cole Ranch 45 O-10-38311 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 8,547 |
Formation tops
As filed on W-2/G-1. Subsea from 2,702 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,477 | 6,775 | Perforated |
| 7,061 | 7,768 | Perforated |
| 7,929 | 8,004 | Perforated |
| 8,218 | 8,488 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 404 | 17.5 | 400 S |
| 8.625 | 3,206 | 11 | 825 S |
| 4.5 | 8,547 | 7.875 | 1,040 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 | Nov 28, 2007 | May 2, 2007 | Yes |
| 00 | Nov 15, 2007 | — | — |
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 42-173-33273 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-33273 → 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/17333273, documented in the API reference.