42-507-31190

Final Completion

PRYOR RANCH

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

Permits

Max Depth

3,500 ft

First Permit

1979-07-10

Latest Activity

1988-07-18

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-07-03

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: WINN EXPLORATION/DULCE COMPANY ≠ Production: MCDAY ENERGY CORP. (reported 2000-06)

Resolved via: scheduling → WINN EXPLORATION/DULCE COMPANY

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. 1993-1993→ MCDAY ENERGY CORP. 1995-2000

Lease Production

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

Formation Tops (5) Elevation 647 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ESCONDIDO	1,797 ft	-1,150 ft
OLMOS	2,440 ft	-1,793 ft
DEL MONTE	2,813 ft	-2,166 ft
BRACERO	2,870 ft	-2,223 ft
ELAINE	2,940 ft	-2,293 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
2,522–2,540 ft	Perforated
2,814–2,819 ft	Perforated
2,874–2,904 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	276 ft	150 sx
2.375"	2,844 ft	—
4.5"	2,995 ft	595 sx

Permit History (2)

#348877 Recompletion Final Completion

PRYOR RANCH · 2,849 ft

1988-07-18

#52525 Drill Final Completion

PRYOR RANCH · 3,500 ft

1979-07-10

Spud 1979-06-22

Applications (2)

#348877 A WINN EXPLORATION/DULCE COMPANY

received 1988-07-14

#52525 A SUNDOWN DRILLING CO.

received 1979-07-10

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 1988-07-21 log on file

W-2/G-1 1988-08-20

W-2/G-1 1981-07-27

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: 9
Max Depth: 3,500 ft
Drill Type: Vertical
County: ZAVALA
District: 1
Operator: WINN EXPLORATION/DULCE COMPANY
Completed: 1979-07-03

Operator

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