WELL · 42-173-34887 · DISTRICT 8
Cook 21 #15
Glasscock County · Spraberry (Trend Area) field · Producing · Vertical
Cook 21 #15 (API 42-173-34887) is a well in Glasscock County operated by Apache Corporation, completed August 3, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued April 6, 2012, permitted to 11,000 ft.
Completion filings report 3 formation tops, including Wolfcamp, Strawn, Fusselman.
Its lease has reported 1.22M barrels of oil and 3.36M mcf of gas since August 2010, last reporting in July 2026. The lease carries 20 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 3, 2025
- Permits on file
- 9,756
- Phone
- (713) 954-5500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Apr 2026 |
| Latest permit | Apache CorporationApr 6, 2012 |
- 11,000
- total depth, ft
- 3
- permits on file
- Apr 6, 2012
- last permit issued
- Aug 3, 2012
- completed
- 1.22M
- cumulative oil, bbl
- 3.36M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 3, 2012
- 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; they carry 20 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cook 21 O-10-40475 | Spraberry (Trend Area) | Apache Corporation | 20 | 1.22M | 3.36M | Aug 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 10,997 · prior 12 12,874(-15%)
Gas, mcf lease total
Last 12 months 68,518 · prior 12 84,452(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mariner Energy, Inc.Sep 2010 → Nov 2010
- 2Apache CorporationDec 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 736408-97 | Drill | Apache Corporation | Oct 4, 2012 | Apr 6, 2012 | Jun 10, 2012 | 11,000 |
| 736408-98 | Drill | Apache Corporation | Apr 9, 2012 | Apr 6, 2012 | Jun 10, 2012 | 11,000 |
| 736408-99 | Drill | Apache Corporation | Mar 20, 2012 | Apr 6, 2012 | — | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40475 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,695 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,565 | 10,370 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 468 | 17.5 | 475 S |
| 8.625 | 3,277 | 11 | 850 S |
| 5.5 | 10,837 | 7.875 | 1,070 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 14, 2014 | Mar 11, 2013 | 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 42-173-34887 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-34887 → 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/17334887, documented in the API reference.