WELL · 42-003-38261 · DISTRICT 8
University Block 9 /Penn/ Unit #6B
Andrews County · University Block 9 (Penn.) field · Horizontal
University Block 9 /Penn/ Unit #6B (API 42-003-38261) is a horizontal well in Andrews County operated by Xto Energy Inc., completed August 5, 2000.
The RRC has issued 4 drilling permits between 1997 and 2010, permitted to 11,700 ft.
Completion filings report 7 formation tops, including Grayburg, San Andres, Wolfcamp, Pennsylvanian.
Its 3 leases have reported 13.7M barrels of oil and 21.9M mcf of gas since January 1993, last reporting in July 2026. The leases carry 159 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | XTO Energy Inc.through Apr 2026 |
| Latest permit | XTO Energy Inc.Feb 8, 2010 |
- 11,700
- total depth, ft
- 4
- permits on file
- Feb 8, 2010
- last permit issued
- Aug 5, 2000
- completed
- 13.7M
- cumulative oil, bbl
- 21.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 5, 2000
- 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 159 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University Block 9 /Penn/ Unit O-10-21413 | University Block 9 (Penn.) | XTO Energy Inc. | 70 | 3.56M | 7.45M | Jan 1993 – Jul 2026 |
| University Block 9 O-10-39152 | University Block 9 (Devonian) | XTO Energy Inc. | 79 | 9.2M | 13.9M | Jan 2009 – Jul 2026 |
| University "9" -B- O-10-8560 | University Block 9 (Devonian) | XTO Energy Inc. | 10 | 971K | 608K | Jan 1993 – Apr 2009 |
Oil, barrels lease total
Last 12 months 19,947 · prior 12 17,798(+12%)
Gas, mcf lease total
Last 12 months 62,136 · prior 12 65,065(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cross Timbers Operating CompanyJan 1993 → May 2001
- 2XTO Energy Inc.Jun 2001 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 690808-99 | Recompletion | XTO Energy Inc. | Feb 4, 2010 | Feb 8, 2010 | Feb 24, 2010 | 11,700 |
| 638790-99 | Recompletion | XTO Energy Inc. | May 10, 2007 | May 18, 2007 | May 9, 2007 | 10,500 |
| 479902-99 | Recompletion | Cross Timbers Operating Company | Oct 5, 1998 | Oct 9, 1998 | Nov 7, 1998 | 10,695 |
| 465920-99 | Drill | Cross Timbers Operating Company | Aug 7, 1997 | Aug 7, 1997 | Aug 14, 1997 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-8560 | — | — | — | — |
| — | — O-10-8560 | — | — | — | — |
| — | — O-10-21413 | — | — | — | — |
| — | — O-10-39152 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,173 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 4,294 | -1,121 |
| San Andres | 4,669 | -1,496 |
| Wolfcamp | 8,399 | -5,226 |
| PennsylvanianPENN | 8,738 | -5,565 |
| MississippianMISSISSIPPIAN (NON-PRODUCTIVE) | 9,863 | -6,690 |
| WoodfordWOODFORD (NON-PRODUCTIVE) | 10,215 | -7,042 |
| DevonianDEVONIAN (PRODUCTIVE) | 10,294 | -7,121 |
| Devonian | 10,302 | -7,129 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,711 | 8,765 | Perforated |
| 8,862 | 8,934 | Perforated |
| 8,962 | 9,012 | Perforated |
| 9,062 | 9,126 | Perforated |
| 10,050 | 11,581 | Open hole |
| 10,288 | 10,546 | Perforated |
| 10,288 | 10,656 | Perforated |
| 10,300 | 11,653 | Open hole |
| 10,352 | 10,367 | Perforated |
| 10,439 | 10,441 | Perforated |
| 10,461 | 10,464 | Perforated |
| 10,476 | 10,480 | Perforated |
| 10,540 | 10,546 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 336 | 12.143 | 400 S |
| 13.375 | 336 | 17.5 | 400 S |
| 8.625 | 5,154 | 11 | 1,150 S |
| 5.5 | 10,669 | 7.875 | 875 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 | Apr 11, 2011 | Oct 13, 2010 | Yes |
| 00 | Mar 10, 2009 | Jan 25, 2008 | Yes |
| 00 | Apr 15, 2008 | Jan 25, 2008 | Yes |
| 00 | Mar 13, 2008 | — | — |
| 00 | Feb 15, 2001 | Sep 15, 2000 | — |
| 00 | Dec 13, 2000 | Jan 22, 1999 | — |
| 00 | Nov 2, 2000 | — | — |
| 00 | Mar 24, 1998 | Oct 23, 1997 | Yes |
| 00 | Mar 17, 1998 | — | — |
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 42-003-38261 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-38261 → 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/00338261, documented in the API reference.