42-507-31838

Final Completion

PRYOR RANCH

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

Permits

Max Depth

3,298 ft

First Permit

1982-11-30

Latest Activity

1988-05-03

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-01-17

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

Injection / Disposal

H-1 Injection Active UIC #000066545 permitted 1988-06-17

Permitted Volume

200 bbl/d

Max Pressure

1,500 psi

Injection Interval

3,074–3,082 ft

Injected (12mo)

1,914 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-03-01)

Operator History

Chain of Custody

WINN EXPLORATION CO., INC. 1993-1994→ MCDAY ENERGY CORP. 1994-2022

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 640 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ESCONDIDO	1,881 ft	-1,241 ft
OLMOS	2,557 ft	-1,917 ft
DEL MONTE	3,072 ft	-2,432 ft
BRACERO	3,138 ft	-2,498 ft
ELAINE	3,240 ft	-2,600 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
3,074–3,082 ft	Perforated
3,160–3,178 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	201 ft	150 sx
2.375"	3,115 ft	—
4.5"	3,257 ft	760 sx

Permit History (2)

#345867 Recompletion Final Completion

PRYOR RANCH · 3,155 ft

1988-05-03

#178616 Drill Final Completion

PRYOR RANCH · 3,298 ft

1982-11-30

Applications (2)

#345867 A WINN EXPLORATION/DULCE COMPANY

received 1988-04-29

#178616 A WINN EXPLORATION/DULCE COMPANY

received 1982-11-30

Records & Logs

4 completion filings on record.

W-2/G-1 1996-07-23

W-2/G-1 1989-04-12

W-2/G-1 1989-04-25

W-2/G-1 1983-06-06

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: 137
Max Depth: 3,298 ft
Drill Type: Vertical
County: ZAVALA
District: 1
Operator: MCDAY ENERGY CORP.
Completed: 1983-01-17

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