TEXAS · WELLS · JOHNSON COUNTY · MERCER LEASE · API 42-251-31447 · DISTRICT 7C
Mercer #1H
Johnson County · Newark East (Barnett Shale) field · Producing · Horizontal · Directional
Mercer #1H (API 42-251-31447) is a horizontal well in Johnson County operated by Upp Operating LLC, completed May 2, 2007 and listed as producing on the RRC schedule, shut in February 1, 2019.
The RRC has issued one drilling permit (amended twice), issued January 19, 2007, permitted to 5,959 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 125 barrels of oil and 729K mcf of gas since May 2007, last reporting volume in September 2023.
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 Sep 2023 |
| Latest permit | EOG Resources, Inc.Mar 6, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,959
- total depth, ft
- 3
- permits on file
- Mar 6, 2007
- last permit issued
- May 2, 2007
- completed
- 125
- cumulative oil, bbl
- 729K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2007 THROUGH Sep 2023
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 2, 2007
- Shut in
- Feb 1, 2019
- 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 |
|---|---|---|---|---|---|---|
| Mercer G-13-231619 | Newark, East (Barnett Shale) | Upp Operating, LLC | 1 | 125 | 729K | May 2007 – Sep 2023 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.May 2007 → Dec 2016
- 2Enervest Operating, L.L.C.Jan 2017 → Jan 2019
- 3Upp Operating, LLCFeb 2023 → Sep 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 631989-97 | Drill | EOG Resources, Inc. | Jul 25, 2007 | Mar 6, 2007 | Mar 12, 2007 | 7,500 |
| 631989-98 | Drill | EOG Resources, Inc. | Jan 25, 2007 | Mar 6, 2007 | — | 7,000 |
| 631989-99 | Drill | EOG Resources, Inc. | Jan 16, 2007 | Jan 19, 2007 | Mar 12, 2007 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 2, 2007 | Mercer G-13-231619 | Newark East (Barnett Shale) | Upp Operating LLC | Producing · shut in Feb 1, 2019 | 5,959 |
Formation tops
As filed on W-2/G-1. Subsea from 708 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,205 | 9,580 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 752 | 12.25 | 230 S |
| 5.5 | 9,915 | 8.75 | 1,310 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 | Jan 8, 2008 | Aug 10, 2007 | Yes |
| 00 | Dec 19, 2007 | — | — |
Well logs
1 log loaded from the RRC's log index, the latest received May 12, 2010. Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| RESISTIVITY | TIFF | 7520 to 5804 as filed | May 12, 2010run Apr 18, 2007 | 7.82 |
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 42-251-31447 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-251-31447 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/25131447, documented in the API reference.