TEXAS · WELLS · TARRANT COUNTY · PERR A UNIT LEASE · API 42-439-35022 · DISTRICT 7C
Perr a Unit #1H
Tarrant County · Newark East (Barnett Shale) field · Producing · Horizontal
Perr A Unit #1H (API 42-439-35022) is a horizontal well in Tarrant County operated by Upp Operating LLC, completed June 3, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued April 19, 2010, permitted to 8,378 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.
Its lease has reported 2.48M mcf of gas since October 2010, last reporting volume in April 2026.
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.Apr 19, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,378
- total depth, ft
- 3
- permits on file
- Apr 19, 2010
- last permit issued
- Jun 3, 2011
- completed
- 0
- cumulative oil, bbl
- 2.48M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2011 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 3, 2011
- 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 |
|---|---|---|---|---|---|---|
| Perr a Unit G-13-260421 | Newark, East (Barnett Shale) | Upp Operating, LLC | 1 | 0 | 2.48M | Oct 2010 – Apr 2026 |
Gas, mcf lease total
Last 12 months 13,077 · prior 12 13,334(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo Oil & Gas, Inc.Dec 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 |
|---|---|---|---|---|---|---|
| 694551-97 | Drill | Carrizo Oil & Gas, Inc. | Dec 30, 2010 | Apr 19, 2010 | Sep 8, 2010 | 9,000 |
| 694551-98 | Drill | Carrizo Oil & Gas, Inc. | Oct 14, 2010 | Apr 19, 2010 | Sep 8, 2010 | 9,000 |
| 694551-99 | Drill | Carrizo Oil & Gas, Inc. | Apr 16, 2010 | Apr 19, 2010 | Sep 8, 2010 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jun 3, 2011 | Perr a Unit G-13-260421 | Newark East (Barnett Shale) | Upp Operating LLC | Producing | 8,378 |
Formation tops
As filed on W-2/G-1. Subsea from 643 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,800 | -1,157 |
| BendMIDDLE BEND MARKER | 7,852 | -7,209 |
| BarnettBARNETT SHALE | 8,221 | -7,578 |
| BarnettTOP BARNETT SHALE | 8,221 | -7,578 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,733 | 15,062 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,905 | 12.25 | 630 S |
| 5.5 | 15,288 | 8.75 | 2,441 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 20, 2012 | Feb 10, 2012 | — |
| 00 | Aug 2, 2011 | Apr 6, 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 42-439-35022 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-35022 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/43935022, documented in the API reference.