WELL · 42-185-30873 · DISTRICT 3
Columbus #1H
Grimes County · Wildcat field · Horizontal
Columbus #1H (API 42-185-30873) is a plugged horizontal well in Grimes County, plugged September 14, 2019, last operated by Sem Operating Company LLC.
The RRC has issued one drilling permit (amended once), issued September 11, 2015, permitted to 15,000 ft.
Completion filings report 6 formation tops, including Jackson, Cook Mountain, Wilcox, Woodbine.
Operator of record
Houston, TX · P-5 Y, filed Apr 4, 2026 · 404 permits on file · (877) 447-2289
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sem Operating Company LLC |
| Production reports | none |
| Latest permit | Sem Operating Company LLCSep 11, 2015 |
- 15,000
- total depth, ft
- 2
- permits on file
- Sep 11, 2015
- last permit issued
- Nov 25, 2015
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2015 THROUGH Sep 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 25, 2015
- Shut in
- —
- Plugged
- Sep 14, 2019
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 |
|---|---|---|---|---|---|---|
| Columbus G-3-281489 | Wildcat | Sem Operating Company LLC | 1 | 0 | 0 | Nov 2015 – Sep 2019 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 810218-98 | Drill | Sem Operating Company LLC | Jul 20, 2016 | Sep 11, 2015 | Oct 22, 2015 | 15,000 |
| 810218-99 | Drill | Sem Operating Company LLC | Sep 10, 2015 | Sep 11, 2015 | Oct 22, 2015 | 15,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-281489 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 327 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| JacksonJACKSON - DISPOSAL | 3,450 | -3,123 |
| Cook MountainCOOK MOUNTAIN - DISPOSAL | 3,730 | -3,403 |
| WilcoxWILCOX - DISPOSAL | 5,500 | -5,173 |
| WoodbineWOODBINE - PRODUCTION | 9,500 | -9,173 |
| Austin ChalkAUSTIN CHALK - PRODUCTION | 10,300 | -9,973 |
| WoodbineWOODBINE-LOLA - PRODUCTION | 11,200 | -10,873 |
| Sub-ClarksvilleSUB-CLARKSVILLE - PRODUCTION | 11,500 | -11,173 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,555 | 17.5 | 2,240 S |
| 9.625 | 11,525 | 12.25 | 610 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 | Dec 14, 2016 | Aug 1, 2016 | — |
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 42-185-30873 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-185-30873 → 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/18530873, documented in the API reference.