WELL · 42-123-32035 · DISTRICT 2

Schaffer #1

Y

DE Witt County · Cottonwood Creek S. (Yegua 4500 field · Producing  · Vertical

Schaffer #1 (API 42-123-32035) is a well in De Witt County operated by Jaybird Resources LLC, completed June 1, 2005 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued May 20, 2005, permitted to 5,300 ft.

It was permitted by Big Shell Oil & Gas, Inc. and has since transferred to Jaybird Resources LLC on the wellbore schedule.

Completion filings report one formation top, including Yegua.

Its lease has reported 23.2K barrels of oil since August 2005, last reporting in July 2026.

Operator of record

Jaybird Resources LLC

Permitted by Big Shell Oil & Gas, Inc.; the EWA schedule now lists a different operator.

Cuero, TX · P-5 Y, filed Jul 4, 2026 · (210) 724-1816

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleJaybird Resources LLC
Production reportsJaybird Resources, LLCthrough Mar 2026
Latest permitBig Shell Oil & Gas, Inc.May 20, 2005

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

5,300
total depth, ft
2
permits on file
May 20, 2005
last permit issued
Jun 1, 2005
completed
23.2K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 1, 2005
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
Schaffer O-2-9007Cottonwood Creek, S. (Yegua 4500Jaybird Resources, LLC123.2K0Aug 2005 – Jul 2026

Oil, barrels lease total

Last 12 months 988 · prior 12 269(+267%)

0100200202420252026

Chain of custody

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

  1. 1Big Shell Oil & Gas, Inc.Aug 2005 → Jun 2016
  2. 2Salvador Oil, LLCJul 2016 → May 2017
  3. 3Reo Operating LLCJun 2017 → Aug 2018
  4. 4Dartex Energy CorporationAug 2017 → Sep 2019
  5. 5Jaybird Resources, LLCNov 2023 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
600999-98DrillBig Shell Oil & Gas, Inc.Oct 3, 2005May 20, 2005May 24, 20055,300
600999-99DrillKebo Oil & Gas, Inc.May 20, 2005May 20, 2005—5,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-2-9007————

Formation tops

As filed on W-2/G-1. Subsea from 8 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua4,509-4,501

Perforations

Perforated and open-hole intervals.

FromToType
4,5094,513Perforated
4,5234,547Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62567512.25235 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
00Jun 5, 2006Nov 21, 2005Yes
00Feb 21, 2006——

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/12332035, documented in the API reference.