TEXAS · WELLS · REFUGIO COUNTY · API 42-391-03688 · DISTRICT 02

El Oso Cattle Company #4

Plugged

Refugio County · Woodsboro South (4200) field  · Vertical

El Oso Cattle Company #4 (API 42-391-03688) is a plugged well in Refugio County, plugged March 28, 1979, last operated by Dolphin Petroleum LP.

The RRC has issued one drilling permit, issued November 17, 1978, permitted to 6,150 ft.

It was permitted by Amoco Production Company and has since transferred to Dolphin Petroleum LP on the wellbore schedule.

Operator of record

Dolphin Petroleum LP

Permitted by Amoco Production Company; the EWA schedule now lists a different operator.

Based in
Alice, TX
P-5 status
Delinquent (D)
P-5 last filed
May 29, 2025
Phone
(361) 290-5678

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDolphin Petroleum LP
Production reportsnone
Latest permitAmoco Production CompanyNov 17, 1978

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

6,150
total depth, ft
1
permits on file
Nov 17, 1978
last permit issued
—
completed
—
cumulative oil, bbl
—
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
Mar 28, 1979

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.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
37140-99RecompletionAmoco Production CompanyNov 17, 1978Nov 17, 1978—6,150

Completions

CompletedLeaseFieldOperatorStatusDepth
—El Oso Cattle Company O-2-5199Woodsboro South (4200)Dolphin Petroleum LPPlugged—
—El Oso Cattle Co. O-2-4185Mary Ellen Oconnor (FS-96)Citation Oil & Gas Corp.Plugged—

Perforations

Perforated and open-hole intervals.

FromToType
3,5725,503Perforated
—5,500Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.751,26112550 S
75,5629.875276 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jan 12, 1984Oct 29, 1975—
00Jan 12, 1984——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/39103688, documented in the API reference.