TEXAS · WELLS · JOHNSON COUNTY · WOLFE LEASE · API 42-251-33588 · DISTRICT 7C
Wolfe #4H
Johnson County · Newark East (Barnett Shale) field · Producing · Horizontal
Wolfe #4H (API 42-251-33588) is a horizontal well in Johnson County operated by Upp Operating LLC, completed September 23, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 20, 2009, permitted to 7,253 ft.
It was permitted by Eog Resources, Inc. and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Strawn, Atoka, Bend, Hood.
Its lease has reported 64 barrels of oil and 1.53M mcf of gas since May 2009, last reporting volume in April 2026.
Operator of record
Permitted by EOG Resources, 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 | EOG Resources, Inc.Mar 20, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,253
- total depth, ft
- 1
- permits on file
- Mar 20, 2009
- last permit issued
- Sep 23, 2010
- completed
- 64
- cumulative oil, bbl
- 1.53M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · OCT 2010 THROUGH APR 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 23, 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 |
|---|---|---|---|---|---|---|
| Wolfe G-13-253877 | Newark, East (Barnett Shale) | Upp Operating, LLC | 1 | 64 | 1.53M | May 2009 – Apr 2026 |
Gas, mcf lease total
Last 12 months 21,852 · prior 12 31,593(-31%)
Wells named Wolfe
Upp Operating LLC's other wells filed under this lease name in Johnson County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Oct 2010 → Dec 2016
- 2Enervest Operating, L.L.C.Jan 2017 → Mar 2019
- 3Upp Operating, LLCApr 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 679665-99 | Drill | EOG Resources, Inc. | Mar 19, 2009 | Mar 20, 2009 | May 9, 2009 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 23, 2010 | Wolfe G-13-253877 | Newark East (Barnett Shale) | Upp Operating LLC | Producing | 7,253 |
Formation tops
As filed on W-2/G-1. Subsea from 916 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,701 | 10,418 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,520 | 12.25 | 559 S |
| 9.625 | 1,521 | 12.25 | 559 S |
| 5.5 | 10,570 | 8.75 | 930 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 | Aug 22, 2011 | Dec 14, 2010 | — |
| 00 | Apr 13, 2010 | Nov 16, 2009 | Yes |
| 00 | Jan 6, 2010 | — | — |
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 42-251-33588 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-251-33588 → 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/25133588, documented in the API reference.