TEXAS · WELLS · TARRANT COUNTY · RICE LOH B UNIT LEASE · API 42-439-35343 · DISTRICT 7C
Rice Loh B Unit #12H
Tarrant County · Newark East (Barnett Shale) field · Producing · Horizontal
Rice Loh B Unit #12H (API 42-439-35343) is a horizontal well in Tarrant County operated by Upp Operating LLC, completed May 27, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued August 19, 2010, permitted to 8,719 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 5M mcf of gas since February 2011, 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.Aug 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.
- 8,719
- total depth, ft
- 3
- permits on file
- Aug 19, 2010
- last permit issued
- May 27, 2011
- completed
- 0
- cumulative oil, bbl
- 5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2011 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 27, 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 |
|---|---|---|---|---|---|---|
| Rice Loh B Unit G-13-261167 | Newark, East (Barnett Shale) | Upp Operating, LLC | 1 | 0 | 5M | Feb 2011 – Apr 2026 |
Gas, mcf lease total
Last 12 months 89,627 · prior 12 113,873(-21%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Carrizo Oil & Gas, Inc.Jun 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 |
|---|---|---|---|---|---|---|
| 700832-97 | Drill | Carrizo Oil & Gas, Inc. | Mar 22, 2011 | Aug 19, 2010 | Jan 20, 2011 | 9,000 |
| 700832-98 | Drill | Carrizo Oil & Gas, Inc. | Jan 26, 2011 | Aug 19, 2010 | Jan 20, 2011 | 9,000 |
| 700832-99 | Drill | Carrizo Oil & Gas, Inc. | Aug 18, 2010 | Aug 19, 2010 | Jan 20, 2011 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 27, 2011 | Rice Loh B Unit G-13-261167 | Newark East (Barnett Shale) | Upp Operating LLC | Producing | 8,719 |
Formation tops
As filed on W-2/G-1. Subsea from 631 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,925 | -1,294 |
| Base Cretaceous (marker)BASE OF CRETACEOUS | 1,925 | -1,294 |
| BendBEND CONGLOMERATE | 7,982 | -7,351 |
| BarnettTOP BARNETT SHALE | 8,443 | -7,812 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,928 | 14,178 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,060 | 12.25 | 675 S |
| 5.5 | 14,300 | 8.75 | 2,317 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 | Feb 9, 2012 | Aug 11, 2011 | Yes |
| 00 | Oct 31, 2011 | Jun 13, 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 42-439-35343 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-35343 → 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/43935343, documented in the API reference.