WELL · 42-173-34000 · DISTRICT 8
Blalock Lois #C710
Glasscock County · Spraberry (Trend Area) field · Producing · Vertical
Blalock Lois #C710 (API 42-173-34000) is a well in Glasscock County operated by Royalty Land & Dev. CO. Inc., completed October 21, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 28, 2011, permitted to 10,350 ft.
Completion filings report 5 formation tops, including Dean, Wolfcamp, Cline, Strawn.
Its lease has reported 285K barrels of oil and 1.04M mcf of gas since May 2009, last reporting in July 2026. The lease carries 9 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.Jan 28, 2011 |
- 10,350
- total depth, ft
- 2
- permits on file
- Jan 28, 2011
- last permit issued
- Oct 21, 2011
- completed
- 285K
- cumulative oil, bbl
- 1.04M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 21, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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; they carry 9 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 |
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.
- 1Royalty Land & Dev. Co., Inc.May 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 708989-98 | Drill | Royalty Land & Dev. Co., Inc. | Jul 26, 2011 | Jan 28, 2011 | Apr 2, 2011 | 10,350 |
| 708989-99 | Drill | Royalty Land & Dev. Co., Inc. | Jan 21, 2011 | Jan 28, 2011 | Apr 2, 2011 | 10,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-39455 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,548 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,232 | 9,868 | Perforated |
| 10,104 | 10,112 | Perforated |
| 10,300 | 10,312 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 375 | 17.5 | 400 S |
| 8.625 | 3,635 | 11 | 1,750 S |
| 5.5 | 10,350 | 7.875 | 950 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 | Oct 19, 2012 | Nov 21, 2011 | Yes |
| 00 | May 10, 2012 | Aug 15, 2011 | Yes |
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 42-173-34000 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-34000 → 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/17334000, documented in the API reference.