WELL · 42-261-31475 · DISTRICT 4

Clark-Sain #21

Y

Kenedy County · Ball Ranch (Vicksburg Cons.) field · Producing  · Vertical

Clark-Sain #21 (API 42-261-31475) is a well in Kenedy County operated by Abaco Operating LLC, completed June 4, 2008 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 3, 2008, permitted to 16,500 ft.

Completion filings report 2 formation tops, including Frio, Vicksburg.

No lease production has been reported under this well’s leases.

Operator of record

Abaco Operating LLC

San Antonio, TX · P-5 Y, filed Sep 4, 2025 · 91 permits on file · (210) 219-8565

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAbaco Operating LLC
Production reportsAbaco Operating, LLCthrough Jul 2025
Latest permitAbaco Operating, LLCApr 3, 2008
16,500
total depth, ft
1
permits on file
Apr 3, 2008
last permit issued
Jun 4, 2008
completed
0
cumulative oil, bbl
600K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 4, 2008
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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Clark-Sain G-4-242556Ball Ranch (Vicksburg Cons.)Abaco Operating, LLC10600KJun 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 370 · prior 12 4,643(-92%)

05001K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Abaco Operating, LLCJun 2008 → Jul 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
657891-99DrillAbaco Operating, LLCMar 20, 2008Apr 3, 2008Apr 3, 200816,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-242556————

Formation tops

As filed on W-2/G-1. Subsea from 41 ft elevation.Download CSV →

FormationMD ftSubsea
FrioUPPER FRIO8,060-8,019
FrioMID FRIO9,730-9,689
Vicksburg12,010-11,969

Perforations

Perforated and open-hole intervals.

FromToType
12,02412,052Perforated
13,40013,429Perforated
13,86614,009Perforated
14,47514,521Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,43017.51,090 S
9.6259,67012.25631 S
4.514,7906.5611 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 10, 2008Aug 22, 2008Yes
00Dec 2, 2008——

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.

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/26131475, documented in the API reference.