TEXAS · WELLS · STARR COUNTY · GROOS NATIONAL BANK LEASE · API 42-427-32284 · DISTRICT 04

Groos National Bank #1A

Y

Starr County · Arroyo Los Olmos (Yegua 25) field · Producing  · Vertical

Groos National Bank #1A (API 42-427-32284) is a well in Starr County operated by Caribbean Energy LLC II, completed September 28, 1988 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 10, 1988, permitted to 5,620 ft.

It was permitted by Wagner, Duer & CO. and has since transferred to Caribbean Energy LLC II on the wellbore schedule.

Completion filings report 2 formation tops, including Yegua, Jackson.

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

Operator of record

Caribbean Energy LLC II

Permitted by Wagner, Duer & Co.; the EWA schedule now lists a different operator.

Based in
Cotulla, TX
P-5 status
Active (A)
P-5 last filed
Sep 18, 2025
Permits on file
1
Phone
(830) 879-5300

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCaribbean Energy LLC II
Production reportsTrek Resources, Inc.through Mar 2026
Latest permitWagner, Duer & Co.Aug 10, 1988

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

5,620
total depth, ft
1
permits on file
Aug 10, 1988
last permit issued
Sep 28, 1988
completed
0
cumulative oil, bbl
2.08M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 28, 1988
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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
Groos National Bank G-4-128801Arroyo Los Olmos (Yegua 25)Caribbean Energy LLC II102.08MJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 30,343 · prior 12 38,127(-20%)

02K4K202420252026

Chain of custody

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

  1. 1Wagner, Duer & Co.Jan 1993 → Dec 1998
  2. 2Wagner Oil CompanyJan 1999 → Nov 2002
  3. 3White Oak Operating Company LLCDec 2002 → Jun 2004
  4. 4Opex Energy, LLCJul 2004 → Mar 2007
  5. 5Exploration Company, TheApr 2007 → Jun 2007
  6. 6Txco Resources Inc.Jul 2007 → Jun 2010
  7. 7Trek Resources, Inc.Jul 2010 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
349956-99DrillWagner, Duer & Co.Aug 9, 1988Aug 10, 1988—5,600

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 28, 1988Groos National Bank G-4-128801Arroyo Los Olmos (Yegua 25)Caribbean Energy LLC IIProducing5,620

Formation tops

As filed on W-2/G-1. Subsea from 148 ft elevation.Download CSV →

FormationMD ftSubsea
Yegua341-193
Jackson1,748-1,600

Perforations

Perforated and open-hole intervals.

FromToType
5,1845,194Perforated
5,2885,290Perforated
5,3055,310Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62530013.5120 S
74,4209.625442 S
4.55,6056.125235 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 14, 1988Oct 17, 1988Yes
00Nov 9, 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/42732284, documented in the API reference.