WELL · 42-215-32018 · DISTRICT 4

Rio Grande Gas Unit I #1

N

Hidalgo County · San Salvador (8700) field  · Vertical

Rio Grande Gas Unit I #1 (API 42-215-32018) is a well in Hidalgo County operated by Esenjay Petroleum Corp., completed June 7, 1991.

The RRC has issued 2 drilling permits between 1991 and 1994, permitted to 9,000 ft.

Completion filings report 2 formation tops, including 7200' Frio Sd, 7550' Frio Sd.

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

Operator of record

Esenjay Petroleum Corp.

Corpus Chrsti, TX · P-5 Y, filed Jan 8, 1999 · 381 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEsenjay Petroleum Corp.
Production reportsRincon Petroleum Corporationthrough Mar 2006
Latest permitEsenjay Petroleum Corp.Apr 18, 1994

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

9,000
total depth, ft
2
permits on file
Apr 18, 1994
last permit issued
Jun 7, 1991
completed
0
cumulative oil, bbl
256K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 7, 1991
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Rio Grande Gas Unit I G-4-149408San Salvador (Consolidated Frio)Deguello Operating LLC10232KJan 1994 – Jul 2026
Rio Grande Gas Unit I G-4-138862San Salvador (8700)Esenjay Petroleum Corp.1023.5KJan 1993 – Jun 1994

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. 1Esenjay Petroleum Corp.Jan 1993 → Apr 1996
  2. 2Shell Western E&P Inc.May 1996 → Mar 1999
  3. 3Waters Eng. & Operating, Inc.Apr 1999 → Aug 1999
  4. 4Contract Energy, L.L.C.Sep 1999 → Aug 2001
  5. 5Rincon Petroleum CorporationSep 2001 → Mar 2006

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
422818-99RecompletionEsenjay Petroleum Corp.Apr 8, 1994Apr 18, 1994Nov 9, 19938,670
386226-99DrillEsenjay Petroleum Corp.Mar 29, 1991Apr 4, 1991Apr 23, 19919,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-138862————
—— G-4-149408————

Formation tops

As filed on W-2/G-1. Subsea from 74 ft elevation.Download CSV →

FormationMD ftSubsea
7200' Frio SD7,204-7,130
7550' Frio SD7,590-7,516

Perforations

Perforated and open-hole intervals.

FromToType
8,2258,229Perforated
8,5908,594Perforated
8,7878,791Perforated
8,7938,797Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,65012.25706 S
4.58,9467.875820 S
4.58,9477.875820 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
00Nov 25, 1996Nov 8, 1996—
00Aug 4, 1994Feb 11, 1994Yes
00Jun 6, 1994——
00Sep 13, 1991Jul 17, 1991Yes
00Aug 6, 1991——

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/21532018, documented in the API reference.