WELL · 42-479-37329 · DISTRICT 4
Clark N. H. #16
Webb County · Wildcat field · Vertical
Clark N. H. #16 (API 42-479-37329) is a well in Webb County operated by Columbus Energy LLC, completed September 25, 1999.
The RRC has issued 2 drilling permits between 1999 and 2000, permitted to 6,900 ft.
It was permitted by Columbus Energy Corp. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Queen City, Reklaw, Carrizo, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Columbus Energy Corp.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 4, 2026 · 51 permits on file · (956) 722-5238
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Columbus Energy LLC |
| Production reports | Columbus Energy, LLCthrough Apr 2026 |
| Latest permit | Columbus Energy Corp.Sep 29, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,900
- total depth, ft
- 2
- permits on file
- Sep 29, 2000
- last permit issued
- Sep 25, 1999
- completed
- 0
- cumulative oil, bbl
- 604K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 25, 1999
- Shut in
- —
- Plugged
- —
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 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 |
|---|---|---|---|---|---|---|
| Clark, N. H. G-4-178853 | Clark Ranch (Lobo) | Columbus Energy, LLC | 1 | 0 | 604K | Sep 2000 – Jul 2026 |
| Clark, N. H. G-4-177214 | Wildcat | Columbus Energy, LLC | 1 | 0 | 0 | Sep 1999 – Jul 2014 |
Gas, mcf lease total
Last 12 months 11,878 · prior 12 12,126(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Columbus Energy Corp.Sep 2000 → Jun 2007
- 2Columbus Energy, LLCJul 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 500224-99 | Recompletion | Columbus Energy Corp. | Aug 27, 1999 | Sep 29, 2000 | Sep 9, 1999 | 6,900 |
| 487057-99 | Drill | Columbus Energy Corp. | Aug 27, 1999 | Aug 27, 1999 | Sep 9, 1999 | 6,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-177214 | — | — | — | — |
| — | — G-4-178853 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 386 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen CityQUEEN CITY MASSIVE | 1,530 | -1,144 |
| Reklaw | 2,518 | -2,132 |
| Carrizo | 2,698 | -2,312 |
| Wilcox | 3,624 | -3,238 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,244 | 6,249 | Perforated |
| 6,278 | 6,286 | Perforated |
| 6,320 | 6,324 | Perforated |
| 6,370 | 6,374 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 574 | 12.25 | 275 S |
| 7 | 5,374 | 8.75 | 345 S |
| 7 | 5,375 | 8.75 | 345 S |
| 2.875 | 6,589 | 6.125 | 237 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 | Aug 14, 2014 | Jul 22, 2014 | — |
| 00 | Nov 4, 2000 | Sep 25, 2000 | — |
| 00 | Oct 11, 2000 | — | — |
| 00 | Jun 29, 2000 | May 30, 2000 | — |
| 00 | Jun 13, 2000 | — | — |
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 42-479-37329 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37329 → 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.
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/47937329, documented in the API reference.