WELL · 42-167-31011 · DISTRICT 3
Schaper et al Unit #1
Galveston County · Dickinson (Frio 7 800) field · Vertical
Schaper ET AL Unit #1 (API 42-167-31011) is a plugged well in Galveston County, plugged October 30, 2007, last operated by Sequoia Oil Company.
The RRC has issued one drilling permit, issued August 20, 1984, permitted to 8,500 ft.
It was permitted by Frio Exploration Company and has since transferred to Sequoia Oil Company on the wellbore schedule.
Completion filings report 2 formation tops, including Miocene (undifferentiated), Frio.
Operator of record
Permitted by Frio Exploration Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 6, 2016 · 5 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sequoia Oil Company |
| Production reports | Sequoia Oil Companythrough Jun 1994 |
| Latest permit | Frio Exploration CompanyAug 20, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Aug 20, 1984
- last permit issued
- Oct 26, 1984
- completed
- 0
- cumulative oil, bbl
- 2.14K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2007
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 26, 1984
- Shut in
- —
- Plugged
- Oct 30, 2007
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 |
|---|---|---|---|---|---|---|
| Schaper, et al Unit G-3-114658 | Dickinson (Frio 7,800) | Sequoia Oil Company | 1 | 0 | 2.14K | Jan 1993 – Oct 2007 |
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.
- 1Crest Resources & Expl. Corp.Jan 1993 → Apr 1993
- 2Startex Energy, Inc.May 1993 → Sep 1993
- 3Sequoia Oil CompanyNov 1993 → Jun 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 248785-99 | Drill | Frio Exploration Company | Dec 28, 1984 | Aug 20, 1984 | Sep 6, 1984 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-114658 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 13 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)BASE MIOCENE | 6,780 | -6,767 |
| FrioTOP FRIO | 7,640 | -7,627 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,826 | 7,831 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,100 | 12.25 | 490 S |
| 4.5 | 8,200 | 8.75 | 380 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 | Jun 7, 1985 | Nov 21, 1984 | — |
| 00 | Feb 8, 1985 | Nov 26, 1984 | — |
| 00 | Feb 5, 1985 | Nov 13, 1984 | — |
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 42-167-31011 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-167-31011 → 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/16731011, documented in the API reference.