42-507-31915

Final Completion

PRYOR RANCH

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

Permits

Max Depth

3,500 ft

First Permit

1983-02-10

Latest Activity

1989-04-19

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-12-23

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.

Gas

production & DCA →

Formation Tops (5) Elevation 689 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ESCONDIDO	1,674 ft	-985 ft
OLMOS	2,192 ft	-1,503 ft
DEL MONTE	2,555 ft	-1,866 ft
BRACERO	2,604 ft	-1,915 ft
ELAINE	2,668 ft	-1,979 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
2,304–2,312 ft	Perforated
2,619–2,625 ft	Perforated
2,654–2,664 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	211 ft	150 sx
4.5"	2,790 ft	695 sx

Permit History (3)

#358227 Recompletion Final Completion

PRYOR RANCH · 2,756 ft

1989-04-19

#354581 Recompletion Final Completion

PRYOR RANCH · 2,756 ft

1988-12-22

#185606 Drill Final Completion

PRYOR RANCH · 3,500 ft

1983-02-10

Spud 1983-10-04

Applications (3)

#358227 A WINN EXPLORATION/DULCE COMPANY

received 1989-04-17

#354581 A WINN EXPLORATION/DULCE COMPANY

received 1988-12-22

#185606 A WINN EXPLORATION/DULCE COMPANY

received 1983-02-10

Records & Logs

6 completion filings on record · 2 with log images at RRC.

W-2/G-1 1989-05-24 log on file

W-2/G-1 1989-06-30

W-2/G-1 1989-01-06 log on file

W-2/G-1 1989-02-28

W-2/G-1 1984-11-09

W-2/G-1 1984-11-21

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: 200
Max Depth: 3,500 ft
Drill Type: Vertical
County: ZAVALA
District: 1
Operator: WINN EXPLORATION/DULCE COMPANY
Completed: 1988-12-23

Operator

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