WELL · 42-029-34082 · DISTRICT 1

Tallman #23

Plugged

Bexar County · Somerset field  · Vertical

Tallman #23 (API 42-029-34082) is a plugged well in Bexar County, plugged August 24, 2000, last operated by Great Plains Resources Inc..

The RRC has issued one drilling permit, issued September 8, 1983, permitted to 1,800 ft.

It was permitted by Simcor Energy Corporation and has since transferred to Great Plains Resources Inc. on the wellbore schedule.

Completion filings report 3 formation tops, including Lit, Olmos, Anancacho.

Its lease has reported 4.03K barrels of oil and 25 mcf of gas since January 1993, last reporting in August 2003. The lease carries 31 wells, so these are lease totals, not this well alone.

Operator of record

Great Plains Resources Inc.

Permitted by Simcor Energy Corporation; the EWA schedule now lists a different operator.

Nixon, TX · P-5 Y, filed Mar 4, 2026

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleGreat Plains Resources Inc.
Production reportsGreat Plains Resources, Inc.through May 1998
Latest permitSimcor Energy CorporationSep 8, 1983

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

1,800
total depth, ft
1
permits on file
Sep 8, 1983
last permit issued
—
completed
4.03K
cumulative oil, bbl
25
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2003

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
Aug 24, 2000

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 31 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tallman O-1-11186SomersetGreat Plains Resources, Inc.314.03K25Jan 1993 – Aug 2003

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.

  1. 1Royal Seahorse Developments IncJan 1993 → Oct 1994
  2. 2Ginco Operating Co.Jan 1995 → Jan 1996
  3. 3Great Plains Resources, Inc.Jul 1996 → May 1998

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
210572-99DrillSimcor Energy CorporationAug 31, 1983Sep 8, 1983—1,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-11186————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Lit1,358
Olmos1,384
Anancacho1,844

Perforations

Perforated and open-hole intervals.

FromToType
1,3841,404Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
4.51,9416.75—

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
00Jan 28, 1988Jan 11, 1988—
00Jan 15, 1988——

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/02934082, documented in the API reference.