42-507-31802

Final Completion

PRYOR RANCH

ZAVALA County · District 1 · MCDAY ENERGY CORP. · WINN-DULCE (ELAINE)

Permits

Max Depth

3,010 ft

First Permit

1982-10-22

Latest Activity

1988-02-16

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-06-01

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: MCDAY ENERGY CORP. ≠ Permit: WINN EXPLORATION/DULCE COMPANY

Resolved via: scheduling → MCDAY ENERGY CORP.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

originally filed by WINN EXPLORATION/DULCE COMPANY — asset transferred

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 674 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ESCONDIDO	1,890 ft	-1,216 ft
OLMOS	2,500 ft	-1,826 ft
DEL MONTE	2,782 ft	-2,108 ft
BRACERO	2,819 ft	-2,145 ft
ELAINE	2,860 ft	-2,186 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 (2)

Interval	Type
2,557–2,563 ft	Perforated
2,867–2,878 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	201 ft	145 sx
2.375"	2,848 ft	—
4.5"	2,996 ft	710 sx

Permit History (2)

#342609 Recompletion Final Completion

PRYOR RANCH · 2,941 ft

1988-02-16

#175179 Drill Final Completion

PRYOR RANCH · 3,010 ft

1982-10-22

Applications (2)

#342609 A WINN EXPLORATION/DULCE COMPANY

received 1988-02-12

#175179 A WINN EXPLORATION/DULCE COMPANY

received 1982-10-22

Records & Logs

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

W-2/G-1 1988-03-11 log on file

W-2/G-1 1988-04-01

W-2/G-1 1983-08-09

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: 127
Max Depth: 3,010 ft
Drill Type: Vertical
County: ZAVALA
District: 1
Operator: MCDAY ENERGY CORP.
Completed: 1983-06-01

Operator

Name: MCDAY ENGY CORP
Location: PLANO
P-5 Status: X (filed 2026-06-02)
Cum Oil (all leases): 1,564,984 bbl
Cum Gas (all leases): 1,473,807 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 52