WELL · 42-297-34761 · DISTRICT 1
Lark #23
Live Oak County · Jacob field · Injection · Vertical
Lark #23 (API 42-297-34761) is a well in Live Oak County operated by Texas Secondary Oil Corporation, completed October 19, 2012 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued January 23, 2008, permitted to 1,150 ft.
Completion filings report 3 formation tops, including Mirando, Pettus, Jacob.
Its lease has reported 415K barrels of oil and 21 mcf of gas since January 1993, last reporting in July 2026. The lease carries 19 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 30.4K barrels injected in the 12 months reported through January 2026.
Operator of record
Texas Secondary Oil Corporation
Devine, TX · P-5 Y, filed Aug 4, 2025 · 304 permits on file · (830) 538-4004
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas Secondary Oil Corporation |
| Production reports | Texas Secondary Oil Corporationthrough Apr 2026 |
| Latest permit | Texas Secondary Oil CorporationJan 23, 2008 |
- 1,150
- total depth, ft
- 1
- permits on file
- Jan 23, 2008
- last permit issued
- Oct 19, 2012
- completed
- 415K
- cumulative oil, bbl
- 21
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 19, 2012
- 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 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lark O-1-10716 | Jacob | Texas Secondary Oil Corporation | 19 | 415K | 21 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 8,884 · prior 12 9,955(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tanos Production, Inc.Jan 1993 → Nov 1994
- 2Texas Secondary Oil CorporationDec 1994 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 653076-99 | Drill | Texas Secondary Oil Corporation | Jan 14, 2008 | Jan 23, 2008 | Nov 19, 2008 | 1,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-10716 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 246 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Mirando | 820 | -574 |
| Pettus | 820 | -574 |
| Pettus | 991 | -745 |
| Jacob | 1,032 | -786 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,032 | 1,035 | Perforated |
| 1,033 | 1,038 | Perforated |
| 1,061 | 1,078 | Perforated |
| 1,063 | 1,079 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 1,122 | 6.75 | 171 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 4, 2026 | Jan 22, 2026 | — |
| 00 | May 24, 2023 | Jan 24, 2023 | — |
| 00 | Apr 23, 2013 | Apr 19, 2013 | — |
| 00 | Apr 16, 2013 | Mar 28, 2012 | 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 42-297-34761 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-297-34761 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 30.4K
- bbl, last 12 reported months
- 329K
- bbl, all reported
- Jan 2026
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000105257 | H-1 Injection | Active | 500 | 400 | 820–1,114 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 30,398 · prior 12 30,520(0%)
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/29734761, documented in the API reference.