WELL · 42-439-34820 · DISTRICT 9
YU Unit #4H
Tarrant County · Horizontal
YU Unit #4H (API 42-439-34820) is a permitted horizontal well in Tarrant County filed by Upp Operating, LLC; no completion report is on file yet.
The RRC has issued 3 drilling permits (amended 3 times) between 2010 and 2026, permitted to 9,000 ft.
Completion filings report 3 formation tops, including Base Cretaceous (marker), Bend, Barnett.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 33 permits on file · (817) 389-2729
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Upp Operating, LLCthrough Apr 2026 |
| Latest permit | Upp Operating, LLCFeb 18, 2026 |
- 9,000
- total depth, ft
- 6
- permits on file
- Feb 18, 2026
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 4.38M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
32.646988, -97.128422
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Tarrant County.
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 |
|---|---|---|---|---|---|---|
| YU Unit G-13-261040 | Newark, East (Barnett Shale) | Upp Operating, LLC | 1 | 0 | 4.38M | Jul 2010 – Jul 2026 |
Gas, mcf lease total
Last 12 months 53,691 · prior 12 65,064(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo Oil & Gas, Inc.May 2011 → Oct 2013
- 2Enervest Operating, L.L.C.Nov 2013 → Nov 2016
- 3Saddle Operating, LLCDec 2016 → Mar 2019
- 4Upp Operating, LLCApr 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 912945-99 | Recompletion | Upp Operating, LLC | Jan 16, 2026 | Feb 18, 2026 | — | 9,000 |
| 866410-99 | Recompletion | Upp Operating, LLC | Dec 7, 2020 | Feb 10, 2021 | — | 9,000 |
| 690857-95 | Drill | Carrizo Oil & Gas, Inc. | Mar 20, 2012 | Feb 8, 2010 | Jun 24, 2010 | 9,000 |
| 690857-97 | Drill | Carrizo Oil & Gas, Inc. | Nov 3, 2010 | Feb 8, 2010 | Jun 24, 2010 | 9,000 |
| 690857-98 | Drill | Carrizo Oil & Gas, Inc. | Aug 25, 2010 | Feb 8, 2010 | Jun 24, 2010 | 9,000 |
| 690857-99 | Drill | Carrizo Oil & Gas, Inc. | Feb 4, 2010 | Feb 8, 2010 | Jun 24, 2010 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-261040 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 660 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,750 | -1,090 |
| BendBEND CONGLOMERATE | 7,500 | -6,840 |
| BendTOP BEND CONGLOMERATE | 7,500 | -6,840 |
| BarnettBARNETT SHALE | 8,137 | -7,477 |
| BarnettTOP BARNETT SHALE | 8,137 | -7,477 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,004 | 14,915 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,895 | 12.25 | 615 S |
| 5.5 | 15,399 | 8.75 | 2,676 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 | Jul 20, 2012 | Jan 25, 2012 | — |
| 00 | Oct 13, 2011 | Jun 7, 2011 | 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 42-439-34820 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-34820 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Fannin Farms B Unit42-439-37121
0.0 KM · Saddle Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 1,750 | -1,089 |
| Atoka | 5,719 | -5,058 |
| Barnett | 8,109 | -7,448 |
| Ellenburger | — | |
| Caddo | — |
Fannin Farms B Unit42-439-37099
0.0 KM · Saddle Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 1,750 | -1,089 |
| Atoka | 5,719 | -5,058 |
| Barnett | 8,109 | -7,448 |
| Ellenburger | — |
Thornton Unit42-439-37100
0.0 KM · Saddle Operating, LLC · Section with this well →
| Base Cretaceous (marker) | 1,750 | -1,089 |
| Atoka | 5,719 | -5,058 |
| Barnett | 8,109 | -7,448 |
| Caddo | — | |
| Ellenburger | — |
Cornerstone South42-439-37153
1.7 KM · TEP Barnett USA, LLC · Section with this well →
| Atoka | 7,493 | -6,870 |
| Marble Falls | 8,063 | -7,440 |
| Barnett | 8,128 | -7,505 |
| Caddo | — | |
| Ellenburger | — |
Cornerstone NS42-439-37155
1.7 KM · TEP Barnett USA, LLC · Section with this well →
| Atoka | 7,512 | -6,889 |
| Marble Falls | 8,098 | -7,475 |
| Barnett | 8,167 | -7,544 |
| Ellenburger | — | |
| Caddo | — |
Cornerstone North42-439-37154
1.7 KM · TEP Barnett USA, LLC · Section with this well →
| Atoka | 7,498 | -6,875 |
| Marble Falls | 8,083 | -7,460 |
| Barnett | 8,151 | -7,528 |
| Caddo | — | |
| Ellenburger | — |
Cornerstone North42-439-37156
1.7 KM · TEP Barnett USA, LLC · Section with this well →
| Atoka | 7,504 | -6,881 |
| Marble Falls | 8,095 | -7,472 |
| Barnett | 8,165 | -7,542 |
| Ellenburger | — | |
| Caddo | — |
Duke a Unit42-439-37337
2.0 KM · TEP Barnett USA, LLC · Section with this well →
| Atoka | 7,520 | -6,842 |
| Marble Falls | 8,089 | -7,411 |
| Barnett | 8,129 | -7,451 |
| Caddo | — | |
| Ellenburger | — |
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/43934820, documented in the API reference.