WELL · 42-389-33947 · DISTRICT 8
Big Chief #172SW
Reeves County · Wolfbone (Trend Area) field · Shut IN · Vertical
Big Chief #172SW (API 42-389-33947) is a well in Reeves County operated by Select Water Solutions LLC, completed April 14, 2014 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued September 26, 2013, permitted to 8,500 ft.
It was permitted by Cog Operating LLC and has since transferred to Select Water Solutions LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Castile, Delaware, Bell Canyon, Cherry Canyon.
No lease production has been reported under this well’s leases.
It holds an active disposal or injection permit.
Operator of record
Permitted by COG Operating LLC; the EWA schedule now lists a different operator.
Mustang, OK · P-5 Y, filed Jul 4, 2026 · 8 permits on file · (405) 664-0158
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Select Water Solutions LLC |
| Production reports | none |
| Latest permit | COG Operating LLCSep 26, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Sep 26, 2013
- last permit issued
- Apr 14, 2014
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 14, 2014
- 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 |
|---|---|---|---|---|---|---|
| Big Chief O-10-47232 | Wolfbone (Trend Area) | Select Water Solutions, LLC | 1 | 0 | 0 | Apr 2014 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 770383-99 | Drill | COG Operating LLC | Sep 19, 2013 | Sep 26, 2013 | Mar 25, 2014 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-47232 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,855 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CastileCASTILLE | 3,965 | -1,110 |
| Delaware | 5,218 | -2,363 |
| DelawareDELAWARE CONSOLIDATED GAS | 5,218 | -2,363 |
| DelawareFORD-DELAWARE | 5,218 | -2,363 |
| Bell Canyon | 5,266 | -2,411 |
| Cherry Canyon | 6,055 | -3,200 |
| Bone SpringBONE SPRINGS | — | — |
| Pennsylvanian | — | — |
| Permian (undifferentiated)PERMIAN | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,355 | 6,489 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.875 | 1,930 | 12.25 | 720 S |
| 7 | 7,250 | 8.75 | 620 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 | Feb 8, 2016 | Dec 14, 2015 | — |
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 42-389-33947 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-389-33947 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 18.5M
- bbl, all reported
- Apr 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000108519 | W-14 Disposal | Active | 20,000 | 2,650 | 5,300–8,000 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 989,699(-100%)
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/38933947, documented in the API reference.