WELL · 42-203-31217 · DISTRICT 6
Blalock #1
Harrison County · Waskom N. (Page) field · Vertical
Blalock #1 (API 42-203-31217) is a plugged well in Harrison County, plugged October 30, 1993, last operated by Scheriger Production.
The RRC has issued one drilling permit, issued December 12, 1984, permitted to 6,400 ft.
It was permitted by Marshall Expl. Inc. and has since transferred to Scheriger Production on the wellbore schedule.
Completion filings report 6 formation tops, including Ferry Lake, Rodessa, James Lime, Pine Island.
Operator of record
Permitted by Marshall Expl. Inc.; the EWA schedule now lists a different operator.
Graham, TX · P-5 Y, filed May 2, 2008
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Scheriger Production |
| Production reports | Sikes Operating, Inc.through Jan 1993 |
| Latest permit | Marshall Expl. Inc.Dec 12, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,400
- total depth, ft
- 1
- permits on file
- Dec 12, 1984
- last permit issued
- Jun 1, 1987
- completed
- 0
- cumulative oil, bbl
- 1.16K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 1, 1987
- Shut in
- —
- Plugged
- Oct 30, 1993
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 |
|---|---|---|---|---|---|---|
| Blalock O-6-11840 | Lotta (Travis Peak 6105) | Scheriger Production | 1 | 0 | 0 | Jan 1993 – Feb 1994 |
| Blalock O-6-12203 | Waskom, N. (Page) | Scheriger Production | 1 | 0 | 1.16K | Jan 1993 – Feb 1994 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 260940-99 | Drill | Marshall Expl. Inc. | Mar 7, 1985 | Dec 12, 1984 | — | 6,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-6-11840 | — | — | — | — |
| — | — O-6-12203 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 247 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Ferry Lake | 4,663 | -4,416 |
| Rodessa | 5,016 | -4,769 |
| James LimeJAMES | 5,430 | -5,183 |
| Pine Island | 5,604 | -5,357 |
| Pettit | 5,733 | -5,486 |
| Travis Peak | 6,041 | -5,794 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,958 | 5,968 | Perforated |
| 6,105 | 6,110 | Perforated |
| 6,158 | 6,161 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 601 | 12.25 | 300 S |
| 5.5 | 6,400 | 8.75 | 700 S |
| 5.5 | — | 8.75 | 100 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 5, 1987 | Jun 23, 1987 | — |
| 00 | Jul 28, 1987 | — | — |
| 00 | Jan 20, 1986 | Dec 12, 1985 | — |
| 00 | Jan 16, 1986 | — | — |
| 00 | Apr 2, 1985 | Mar 8, 1985 | — |
| 00 | Mar 30, 1985 | — | — |
| 00 | Mar 6, 1985 | Feb 11, 1985 | — |
| 00 | Mar 5, 1985 | Jan 27, 1985 | — |
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 42-203-31217 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-31217 → 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/20331217, documented in the API reference.