WELL · 42-287-30616 · DISTRICT 3
Colvin Unit #1
Lee County · Giddings (Austin Chalk Gas) field · Vertical
Colvin Unit #1 (API 42-287-30616) is a plugged well in Lee County, plugged March 7, 1997, last operated by Gemini Exploration Company.
The RRC has issued one drilling permit, issued December 27, 1979, permitted to 10,500 ft.
It was permitted by Cag Petroleum Corp. and has since transferred to Gemini Exploration Company on the wellbore schedule.
Completion filings report 3 formation tops, including Navarro, Pecan Gap, Austin Chalk.
Its 2 leases have reported 25 barrels of oil and 29.6K mcf of gas since January 1993, last reporting in March 1997. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Cag Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jul 27, 1999
- Permits on file
- 174
- Phone
- (214) 526-6357
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gemini Exploration Company |
| Production reports | Gemini Exploration Companythrough Jan 1997 |
| Latest permit | Cag Petroleum Corp.Dec 27, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,500
- total depth, ft
- 1
- permits on file
- Dec 27, 1979
- last permit issued
- —
- completed
- 25
- cumulative oil, bbl
- 29.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1997
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Mar 7, 1997
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 |
|---|---|---|---|---|---|---|
| Colvin Unit G-3-144328 | Giddings (Austin Chalk, Gas) | Gemini Exploration Company | 1 | 0 | 27.9K | Feb 1993 – Mar 1997 |
| Colvin Unit O-3-16372 | Giddings (Austin Chalk-3) | Redwood Energy, Inc. | 1 | 25 | 1.66K | Jan 1993 – Apr 1994 |
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.
- 1Redwood Energy, Inc.Jan 1993 → Apr 1994
- 2Gemini Exploration CompanyMay 1994 → Jan 1997
- 3Union Pacific Austin Chalk Co.May 1995 → May 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 68990-99 | Drill | Cag Petroleum Corp. | Dec 27, 1979 | Dec 27, 1979 | — | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-144328 | — | — | — | — |
| — | — O-3-16372 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 269 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Navarro | 7,400 | -7,131 |
| Pecan Gap | 8,317 | -8,048 |
| Austin Chalk | 9,145 | -8,876 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,425 | 9,635 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,847 | 12.25 | 1,210 S |
| 2.375 | 9,375 | — | — |
| 5.5 | 9,740 | 8.75 | 395 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 | Mar 31, 1993 | Feb 24, 1993 | — |
| 00 | Mar 23, 1993 | — | — |
| 00 | Jan 12, 1984 | May 5, 1983 | — |
| 00 | Jan 12, 1984 | Jun 27, 1980 | — |
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 42-287-30616 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-30616 → 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/28730616, documented in the API reference.