WELL · 42-427-34471 · DISTRICT 4
Clopton John H. #1
Starr County · Wildcat field · Vertical
Clopton John H. #1 (API 42-427-34471) is a well in Starr County operated by Modern Exploration Inc., completed October 15, 2009.
The RRC has issued 2 drilling permits between 2009 and 2018, permitted to 10,500 ft.
Completion filings report 8 formation tops, including Jackson, Yegua, Queen City, Catahoula.
No lease production has been reported under this well’s leases.
Operator of record
Sherman, TX · P-5 Y, filed May 4, 2026 · 195 permits on file · (903) 893-1129
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Modern Exploration Inc. |
| Production reports | Modern Exploration, Inc.through Dec 2020 |
| Latest permit | Modern Exploration, Inc.Apr 26, 2018 |
- 10,500
- total depth, ft
- 2
- permits on file
- Apr 26, 2018
- last permit issued
- Oct 15, 2009
- completed
- 0
- cumulative oil, bbl
- 977
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 15, 2009
- Shut in
- —
- Plugged
- —
Surface location
26.369486, -98.857145
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Starr County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clopton, John H. G-4-287032 | Roma (Yegua) | Modern Exploration, Inc. | 1 | 0 | 977 | May 2018 – Jul 2026 |
| Clopton, John H. G-4-256305 | Wildcat | Modern Exploration, Inc. | 1 | 0 | 0 | Oct 2009 – May 2018 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Modern Exploration, Inc.Sep 2019 → Dec 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 839189-99 | Recompletion | Modern Exploration, Inc. | Apr 23, 2018 | Apr 26, 2018 | May 14, 2018 | 4,500 |
| 683488-99 | Drill | Kaler Energy Corp. | Jul 27, 2009 | Jul 28, 2009 | Sep 25, 2009 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-256305 | — | — | — | — |
| — | — G-4-287032 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 168 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| JacksonJACKSON - INJECTION/DISPOSAL | 1,110 | -942 |
| Yegua | 2,490 | -2,322 |
| Queen CityQUEEN CITY - INJECTION/DISPOSAL | 9,320 | -9,152 |
| CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI | — | — |
| CatahoulaCATAHOULA-FRIO - INJECTION/DISPO | — | — |
| Cook Mountain | — | — |
| Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC | — | — |
| VicksburgVICKSBURG - INJECTION/DISPOSAL; | — | — |
| Wilcox | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,428 | 3,432 | Perforated |
| 3,436 | 3,442 | Perforated |
| 3,447 | 3,472 | Perforated |
| 3,459 | 3,473 | Perforated |
| 9,316 | 9,360 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,000 | 14.75 | 1,300 S |
| 7.625 | 4,500 | 9.875 | 353 S |
| 4.5 | 10,000 | 6.75 | 290 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 | Sep 9, 2019 | Apr 29, 2019 | — |
| 00 | Jul 26, 2010 | May 21, 2010 | Yes |
| 00 | Jun 24, 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 42-427-34471 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-34471 → 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.
Nearby wells and their tops
NEAREST 4 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 4 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Sheerin Unit42-427-34770
13.2 KM · Metano Energy III, LP · Section with this well →
| Miocene (undifferentiated) | 60 | 82 |
| Catahoula | 700 | -558 |
| Catahoula | 928 | -786 |
| Vicksburg | 1,100 | -958 |
| Jackson | 2,025 | -1,883 |
| Yegua | 4,517 | -4,375 |
| Cook Mountain | 6,084 | -5,942 |
| Queen City | 7,977 | -7,835 |
9 TOPS · FIRST 8
Brock, J. D. -A-42-427-34797
13.5 KM · Southern Tejas Asset Group LLC · Section with this well →
| Ross Sand | 2,162 | -1,881 |
| Brock Sand | 2,234 | -1,953 |
| Frio | 2,268 | -1,987 |
| Yegua | — | |
| Catahoula | — | |
| Catahoula | — | |
| Cook Mountain | — | |
| Jackson | — |
10 TOPS · FIRST 8
Semmes42-427-34151
14.5 KM · Metano Energy III, LP · Section with this well →
| Miocene (undifferentiated) | 500 | -227 |
| Catahoula | 700 | -427 |
| Frio | 1,294 | -1,021 |
| Catahoula | 1,294 | -1,021 |
| Vicksburg | 2,363 | -2,090 |
| Jackson | 2,942 | -2,669 |
| Jackson | 3,169 | -2,896 |
| Hockley | 3,688 | -3,415 |
13 TOPS · FIRST 8
Villa42-427-34774
15.1 KM · Metano Energy III, LP · Section with this well →
| Miocene (undifferentiated) | 60 | 178 |
| Catahoula | 700 | -462 |
| Catahoula | 2,530 | -2,292 |
| Vicksburg | 2,738 | -2,500 |
| Jackson | 2,936 | -2,698 |
| Yegua | 5,194 | -4,956 |
| Cook Mountain | 6,633 | -6,395 |
| Queen City | 11,010 | -10,772 |
9 TOPS · FIRST 8
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/42734471, documented in the API reference.