WELL · 42-173-31215 · DISTRICT 8
Blalock Lois #2
Glasscock County · Spraberry (Trend Area) field · Vertical
Blalock Lois #2 (API 42-173-31215) is a plugged well in Glasscock County, plugged October 14, 2024, last operated by Royalty Land & Dev. CO. Inc..
The RRC has issued 4 drilling permits between 1981 and 2017, permitted to 11,700 ft.
Completion filings report 11 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its 2 leases have reported 307K barrels of oil and 1.12M mcf of gas since January 1993, last reporting in July 2026. The leases carry 14 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 Apr 2026 |
| Latest permit | Royalty Land & Dev. Co., Inc.May 26, 2017 |
- 11,700
- total depth, ft
- 4
- permits on file
- May 26, 2017
- last permit issued
- Mar 22, 2018
- completed
- 307K
- cumulative oil, bbl
- 1.12M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 22, 2018
- Shut in
- —
- Plugged
- Oct 14, 2024
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 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Blalock, Lois O-10-39455 | Spraberry (Trend Area) | Royalty Land & Dev. Co., Inc. | 9 | 285K | 1.04M | May 2009 – Jul 2026 |
| Blalock, Lois O-10-28618 | Dewey Lake (Wolfcamp) | Royalty Land & Dev. Co., Inc. | 5 | 22.1K | 76.1K | Jan 1993 – Jun 2018 |
Oil, barrels lease total
Last 12 months 8,638 · prior 12 10,089(-14%)
Gas, mcf lease total
Last 12 months 42,130 · prior 12 46,479(-9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Snyder Oil CorporationJan 1993 → Sep 1995
- 2Coda Energy, Inc.Oct 1995 → Jun 1996
- 3Royalty Land & Dev. Co., Inc.Jul 1996 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 826473-99 | Recompletion | Royalty Land & Dev. Co., Inc. | May 9, 2017 | May 26, 2017 | Jun 1, 2017 | 11,100 |
| 782158-99 | Field transfer | Royalty Land & Dev. Co., Inc. | Mar 13, 2014 | Apr 21, 2014 | Mar 7, 2014 | 11,100 |
| 305022-99 | Recompletion | Terra Resources, Inc. | Aug 7, 1986 | Aug 7, 1986 | — | 11,100 |
| 134773-99 | Drill | Davis Oil Company | Sep 17, 1981 | Sep 17, 1981 | Sep 18, 1981 | 11,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-28618 | — | — | — | — |
| — | — O-10-39455 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,554 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,265 | 1,289 |
| Yates | 2,002 | 552 |
| Seven Rivers | 2,410 | 144 |
| Queen | 2,780 | -226 |
| Grayburg | 3,209 | -655 |
| San Andres | 3,500 | -946 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,523 | -969 |
| Glorieta | 4,451 | -1,897 |
| Clear ForkCLEARFORK | 5,646 | -3,092 |
| Clear ForkCLEARFORK | 5,800 | -3,246 |
| Clear ForkCLEARFORK | 5,803 | -3,249 |
| Wichita-AlbanyWICHITA ALBANY | 6,220 | -3,666 |
| Wichita-AlbanyWICHITA ALBANY | 6,269 | -3,715 |
| Spraberry | 6,520 | -3,966 |
| Wolfcamp | 8,302 | -5,748 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,656 | 7,771 | Perforated |
| 8,310 | 8,400 | Perforated |
| 10,962 | 10,984 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 356 | 17.5 | 350 S |
| 10.75 | 4,500 | 12.25 | 305 S |
| 2.875 | 10,838 | — | — |
| 5.5 | 11,100 | 8.75 | 850 S |
| 5.5 | 11,100 | 9.875 | 850 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 | May 18, 2018 | Apr 12, 2018 | — |
| 00 | Jun 21, 2017 | Apr 18, 2017 | — |
| 00 | Feb 12, 2015 | May 20, 2014 | Yes |
| 00 | Oct 2, 1986 | Sep 23, 1986 | Yes |
| 00 | Sep 30, 1986 | — | — |
| 00 | Jan 12, 1984 | Mar 1, 1982 | — |
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 42-173-31215 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31215 → 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/17331215, documented in the API reference.