42-507-31794

Final Completion

PRYOR RANCH

ZAVALA County · District 1 · WINN EXPLORATION/DULCE COMPANY · WINN-DULCE (OLMOS)

Permits

Max Depth

3,210 ft

First Permit

1982-10-12

Latest Activity

1989-08-11

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-10-29

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: WINN EXPLORATION/DULCE COMPANY ≠ Production: MCDAY ENERGY CORP. (reported 2026-04)

Resolved via: production → MCDAY ENERGY CORP.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

WINN EXPLORATION CO., INC. 1993-1994→ MCDAY ENERGY CORP. 1994-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (5) Elevation 632 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ESCONDIDO	1,885 ft	-1,253 ft
OLMOS	2,518 ft	-1,886 ft
DEL MONTE	2,954 ft	-2,322 ft
BRACERO	3,006 ft	-2,374 ft
ELAINE	3,096 ft	-2,464 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (3)

Interval	Type
2,609–2,615 ft	Perforated
2,956–2,964 ft	Perforated
3,103–3,118 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	203 ft	145 sx
2.375"	2,923 ft	—
4.5"	3,206 ft	735 sx

Permit History (2)

#362397 Recompletion Final Completion

PRYOR RANCH · 3,185 ft

1989-08-11

#174052 Drill Final Completion

PRYOR RANCH · 3,210 ft

1982-10-12

Spud 1982-10-09

Applications (2)

#362397 A WINN EXPLORATION/DULCE COMPANY

received 1989-08-04

#174052 A WINN EXPLORATION/DULCE COMPANY

received 1982-10-12

Records & Logs

4 completion filings on record.

W-2/G-1 1990-02-07

W-2/G-1 1990-02-22

W-2/G-1 1983-01-28

W-2/G-1 1983-01-24

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ZAVALA County.

Well Details

Well Number: 115
Max Depth: 3,210 ft
Drill Type: Vertical
County: ZAVALA
District: 1
Operator: WINN EXPLORATION/DULCE COMPANY
Completed: 1982-10-29

Operator

Name: WINN EXPL/DULCE CO
Location: EAGLE PASS
P-5 Status: Inactive (filed 1990-11-02)
Total Permits: 293