TEXAS · WELLS · WINKLER COUNTY · API 42-495-31049 · DISTRICT 7B
University BLK 21 GU #142
Winkler County · Apollo (Atoka) field · Vertical
University Blk 21 GU #142 (API 42-495-31049) is a plugged well in Winkler County, plugged July 11, 2014, last operated by Iskandia Energy Operating Inc..
The RRC has issued 3 drilling permits (amended once) between 1979 and 2012, permitted to 21,000 ft.
It was permitted by Sandridge Expl. And Prod., LLC and has since transferred to Iskandia Energy Operating Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Cherry Canyon, Brushy Canyon, Bone Spring, Atoka.
Operator of record
Iskandia Energy Operating Inc.
Permitted by Sandridge Expl. and Prod., LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jun 12, 2024
- Permits on file
- 33
- Phone
- (832) 209-8240
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Sandridge Expl. and Prod., LLCthrough Dec 2012 |
| Latest permit | Sandridge Expl. and Prod., LLCJun 13, 2012 |
- 21,000
- total depth, ft
- 4
- permits on file
- Jun 13, 2012
- last permit issued
- Jan 25, 2007
- completed
- 0
- cumulative oil, bbl
- 3.09M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 25, 2007
- Shut in
- —
- Plugged
- Jul 11, 2014
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 |
|---|---|---|---|---|---|---|
| University BLK 21 GU G-10-226567 | Apollo (Atoka) | Iskandia Energy Operating, Inc. | 1 | 0 | 528K | Jan 2007 – Oct 2024 |
| University Blk. 21 GU G-10-84131 | Apollo (Fusselman) | Sheridan Production Company, LLC | 1 | 0 | 679K | Jan 1993 – Jul 2014 |
| University Blk. 21 GU G-10-84132 | Apollo (Ellenburger) | Forest Oil Corporation | 1 | 0 | 1.88M | Jan 1993 – Jan 2007 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Forcenergy Gas Exploration Inc.Jan 1993 → Apr 1996
- 2Forcenergy IncMay 1996 → Jan 2001
- 3Forest Oil CorporationFeb 2001 → Dec 2009
- 4Sandridge Expl. and Prod., LLCJan 2010 → Dec 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 742101-99 | Recompletion | Sandridge Expl. and Prod., LLC | Jun 5, 2012 | Jun 13, 2012 | — | 9,000 |
| 626358-98 | Recompletion | Forest Oil Corporation | Mar 14, 2007 | Sep 28, 2006 | Jan 10, 2007 | 21,000 |
| 626358-99 | Recompletion | Forest Oil Corporation | Sep 21, 2006 | Sep 28, 2006 | — | 21,000 |
| 47064-99 | Drill | HNG Oil Company | Apr 24, 1979 | Apr 24, 1979 | — | 21,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 25, 2007 | University BLK 21 GU G-10-226567 | Apollo (Atoka) | Iskandia Energy Operating Inc. | Plugged | — |
| Aug 23, 1979 | University Blk. 21 GU G-10-84131 | Apollo (Fusselman) | Sheridan Production Company LLC | Plugged | — |
| Aug 23, 1979 | University Blk. 21 GU G-10-84132 | Apollo (Ellenburger) | Forest Oil Corporation | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,802 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Cherry Canyon | 5,955 | -3,153 |
| Brushy Canyon | 7,062 | -4,260 |
| Bone SpringBONE SPRINGS | 8,612 | -5,810 |
| Atoka | 13,076 | -10,274 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,076 | 13,185 | Perforated |
| 16,250 | 16,320 | Perforated |
| 18,773 | 18,929 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,828 | 17.5 | 3,800 S |
| 9.625 | 11,575 | 12.25 | — |
| 3.5 | 14,370 | — | — |
| 3.5 | 16,937 | — | — |
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 21, 2007 | Mar 12, 2007 | Yes |
| 00 | May 11, 2007 | — | — |
| 00 | Jan 12, 1984 | Oct 1, 1979 | — |
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 42-495-31049 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-31049 → 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/49531049, documented in the API reference.