WELL · 42-173-31107 · DISTRICT 8
Lois Blalock #1
Glasscock County · Dewey Lake (Strawn) field · Vertical
Lois Blalock #1 (API 42-173-31107) is a plugged well in Glasscock County, plugged August 5, 2019, last operated by Royalty Land & Dev. CO. Inc..
The RRC has issued 3 drilling permits between 1980 and 2013, permitted to 11,700 ft.
Completion filings report 6 formation tops, including Yates, Clear Fork, Spraberry, Wolfcamp.
Its 3 leases have reported 20.2K barrels of oil and 263K mcf of gas since January 1993, last reporting in February 2022. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Wolfforth, TX · P-5 Y, filed Oct 4, 2025 · 32 permits on file · (806) 789-7727
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Royalty Land & Dev. Co. Inc. |
| Production reports | Royalty Land & Dev. Co., Inc.through Jun 2019 |
| Latest permit | Royalty Land & Dev. Co., Inc.Mar 8, 2013 |
- 11,700
- total depth, ft
- 3
- permits on file
- Mar 8, 2013
- last permit issued
- May 15, 2013
- completed
- 20.2K
- cumulative oil, bbl
- 263K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 15, 2013
- Shut in
- —
- Plugged
- Aug 5, 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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lois Blalock O-10-44028 | Dewey Lake (Strawn) | Royalty Land & Dev. Co., Inc. | 1 | 2.48K | 10.1K | May 2013 – Feb 2022 |
| Blalock, Lois O-10-27060 | Dewey Lake (Fusselman) | Royalty Land & Dev. Co., Inc. | 1 | 0 | 0 | Jan 1993 – Feb 2017 |
| Blalock, Lois O-10-37292 | Dewey Lake (Atoka) | Royalty Land & Dev. Co., Inc. | 1 | 17.7K | 253K | May 2004 – Feb 2014 |
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.
- 1Royalty Land & Dev. Co., Inc.May 2004 → Aug 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 755264-99 | Recompletion | Royalty Land & Dev. Co., Inc. | Jan 22, 2013 | Mar 8, 2013 | Apr 9, 2013 | 10,979 |
| 546290-99 | Recompletion | Royalty Land & Dev. Co., Inc. | May 28, 2004 | May 28, 2004 | May 12, 2004 | 11,120 |
| 100868-99 | Drill | Davis Oil Company | Dec 4, 1980 | Dec 4, 1980 | May 19, 1981 | 11,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-27060 | — | — | — | — |
| — | — O-10-37292 | — | — | — | — |
| — | — O-10-44028 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,544 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,932 | 9,956 | Perforated |
| 9,982 | 10,005 | Perforated |
| 10,184 | 10,194 | Perforated |
| 10,966 | 10,981 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 380 | 17 | 350 S |
| 13.375 | 380 | 17.5 | 400 S |
| 9.625 | 3,360 | 11 | 1,230 S |
| 9.625 | 3,360 | 12.25 | 1,230 S |
| 2.375 | 10,806 | — | — |
| 5.5 | 11,189 | 7.875 | 1,850 S |
| 5.5 | 11,200 | 8.625 | 750 S |
| 5.5 | 11,200 | 8.75 | 750 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 | Feb 21, 2014 | Jun 11, 2013 | — |
| 00 | Aug 19, 2004 | Jun 3, 2004 | Yes |
| 00 | Jul 16, 2004 | — | — |
| 00 | Jan 12, 1984 | Dec 22, 1981 | — |
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 42-173-31107 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31107 → 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/17331107, documented in the API reference.