TEXAS · WELLS · TARRANT COUNTY · LONESTAR UNIT LEASE · API 42-439-34731 · DISTRICT 7C
Lonestar Unit #9H
Tarrant County · Newark East (Barnett Shale) field · Producing · Horizontal
Lonestar Unit #9H (API 42-439-34731) is a horizontal well in Tarrant County operated by Upp Operating LLC, completed August 24, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended 3 times), issued December 31, 2009, permitted to 8,701 ft.
It was permitted by Carrizo Oil & Gas, Inc. and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Base Cretaceous (marker), Bend, Barnett.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Carrizo Oil & Gas, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 6, 2026
- Permits on file
- 33
- Phone
- (713) 495-5300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upp Operating LLC |
| Production reports | Upp Operating, LLCthrough Apr 2026 |
| Latest permit | Carrizo Oil & Gas, Inc.Dec 31, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,701
- total depth, ft
- 4
- permits on file
- Dec 31, 2009
- last permit issued
- Aug 24, 2010
- completed
- 0
- cumulative oil, bbl
- 3.42M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 24, 2010
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lonestar Unit G-13-259067 | Newark, East (Barnett Shale) | Upp Operating, LLC | 1 | 0 | 3.42M | Aug 2010 – Jul 2026 |
Gas, mcf lease total
Last 12 months 81,888 · prior 12 86,580(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo Oil & Gas, Inc.Dec 2010 → 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 |
|---|---|---|---|---|---|---|
| 689229-96 | Drill | Carrizo Oil & Gas, Inc. | Oct 19, 2010 | Dec 31, 2009 | Apr 16, 2010 | 9,000 |
| 689229-97 | Drill | Carrizo Oil & Gas, Inc. | Jun 9, 2010 | Dec 31, 2009 | — | 9,000 |
| 689229-98 | Drill | Carrizo Oil & Gas, Inc. | May 7, 2010 | Dec 31, 2009 | — | 9,000 |
| 689229-99 | Drill | Carrizo Oil & Gas, Inc. | Dec 31, 2009 | Dec 31, 2009 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 24, 2010 | Lonestar Unit G-13-259067 | Newark East (Barnett Shale) | Upp Operating LLC | Producing | 8,701 |
Formation tops
As filed on W-2/G-1. Subsea from 601 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,915 | -1,314 |
| BendMIDDLE BEND MARKER | 7,982 | -7,381 |
| BarnettTOP BARNETT SHALE | 8,456 | -7,855 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,860 | 12,618 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,028 | 12.25 | 660 S |
| 5.5 | 13,125 | 8.75 | 1,969 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 | Mar 24, 2011 | Feb 7, 2011 | Yes |
| 00 | Mar 7, 2011 | Oct 20, 2010 | 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 42-439-34731 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-34731 → 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/43934731, documented in the API reference.