WELL · 42-215-31752 · DISTRICT 4

Rivera Isabel #1

N

Hidalgo County · Sullivan City (Vicksburg Lower) field  · Vertical

Rivera Isabel #1 (API 42-215-31752) is a well in Hidalgo County operated by Spiller Robert S., completed May 19, 1987.

The RRC has issued one drilling permit, issued April 22, 1987, permitted to 6,200 ft.

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

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

Operator of record

Spiller Robert S.

San Antonio, TX · P-5 Y, filed Aug 5, 1995 · 209 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSpiller Robert S.
Production reportsSouthern Tejas Asset Group LLCthrough Jan 2026
Latest permitSpiller, Robert S.Apr 22, 1987

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

6,200
total depth, ft
1
permits on file
Apr 22, 1987
last permit issued
May 19, 1987
completed
0
cumulative oil, bbl
339K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 19, 1987
Shut in
—
Plugged
—

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
Rivera, Isabel G-4-126235Sullivan City (Vicksburg, Lower)Southern Tejas Asset Group LLC10339KJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 4 · prior 12 326(-99%)

050100202420252026

Chain of custody

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

  1. 1Spiller, Robert S.Jan 1993 → May 1995
  2. 2Spiller Operating Co., Inc.Jun 1995 → May 1997
  3. 3Ceniza Petroleum, Inc.Jun 1997 → May 1998
  4. 4BNP Petroleum CorporationJun 1998 → Mar 2010
  5. 5Modena Operating LLCJul 2010 → Jan 2011
  6. 6Salona, LLCFeb 2015 → Mar 2015
  7. 7EL Pinto Operating, Inc.Jul 2017 → Jun 2021
  8. 8Southern Tejas Asset Group LLCJul 2021 → Jan 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
329338-99DrillSpiller, Robert S.Apr 22, 1987Apr 22, 1987—6,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-126235————

Formation tops

As filed on W-2/G-1. Subsea from 232 ft elevation.Download CSV →

FormationMD ftSubsea
Frio3,300-3,068
Vicksburg4,260-4,028

Perforations

Perforated and open-hole intervals.

FromToType
5,8425,848Perforated
5,8525,866Perforated
5,8695,871Perforated
5,8745,882Perforated
5,9335,935Perforated
5,9445,948Perforated
5,9715,977Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.625617——
8.62563112.25315 S
4.56,1537.875963 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, 2008Jan 14, 2008—
00Feb 10, 1999Jan 14, 1999—
00May 24, 1988Jan 4, 1988—
00Feb 9, 1988——
00Aug 3, 1987Jun 30, 1987Yes
00Jul 17, 1987——

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/21531752, documented in the API reference.