WELL · 42-479-36547 · DISTRICT 4

Rancho Blanco D #D 2

Y

Webb County · Clark Ranch (Lobo) field · Temp Abandoned  · Vertical

Rancho Blanco D #D 2 (API 42-479-36547) is a well in Webb County operated by Columbus Energy LLC, completed December 1, 2006 and listed as temp abandoned on the RRC schedule.

The RRC has issued one drilling permit, issued August 12, 1996, permitted to 8,000 ft.

It was permitted by Zachry Exploration, Inc. and has since transferred to Columbus Energy LLC on the wellbore schedule.

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

It holds an active disposal or injection permit.

Operator of record

Columbus Energy LLC

Permitted by Zachry Exploration, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Apr 4, 2026 · 51 permits on file · (956) 722-5238

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleColumbus Energy LLC
Production reportsZachry Exploration, Ltd.through May 2006
Latest permitZachry Exploration, Inc.Aug 12, 1996

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

8,000
total depth, ft
1
permits on file
Aug 12, 1996
last permit issued
Dec 1, 2006
completed
0
cumulative oil, bbl
47.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 1996 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 1, 2006
Shut in
—
Plugged
—

Operator's P-5 on the schedule: 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
Rancho Blanco "D" G-4-160434Clark Ranch (Lobo)Columbus Energy, LLC1047.1KSep 1996 – Jul 2026

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. 1Zachry Exploration, Inc.Sep 1996 → Apr 2002
  2. 2Zachry Exploration, Ltd.May 2002 → May 2006

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
451376-99DrillZachry Exploration, Inc.Aug 12, 1996Aug 12, 1996Aug 23, 19968,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-160434————

Perforations

Perforated and open-hole intervals.

FromToType
4,6484,699Perforated
7,3647,388Perforated
7,3947,408Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62585212.25310 S
75,6978.75285 S
2.8757,6176.25525 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 20, 2007Mar 12, 2007—
00Dec 12, 2007Mar 12, 2007—
00Dec 4, 1996Oct 29, 1996Yes
00Nov 8, 1996——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
367K
bbl, all reported
Jan 2026
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000097091W-14 DisposalActive4002,3204,640–4,700

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0120252026

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/47936547, documented in the API reference.