42-427-31343

Final Completion

BLACK STONE MINERALS

STARR County · District 4 · TRAP ROCK OIL, LTD.

Permits

Max Depth

5,234 ft

First Permit

1979-08-23

Latest Activity

2013-10-31

Lifespan

34 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PYLE PETROLEUM, INC. 1997-1998→ TRAP ROCK OIL, LTD. 2011-2015

Lease Production

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

Formation Tops (4) Elevation 312 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
FRIO	3,470 ft	-3,158 ft
JUANALUTZ	3,484 ft	-3,172 ft
VICKSBURG	4,089 ft	-3,777 ft
VICKSBURG	4,120 ft	-3,808 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 (6)

Interval	Type
4,093–4,096 ft	Perforated
4,270–4,274 ft	Perforated
4,270–4,280 ft	Perforated
4,278–4,280 ft	Perforated
4,553–4,562 ft	Perforated
4,784–4,789 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	274 ft	190 sx
2.375"	4,180 ft	—
2.375"	4,483 ft	—
2.375"	4,764 ft	—
4.5"	4,943 ft	670 sx

Permit History (6)

#772372 Recompletion Final Completion

BLACK STONE MINERALS · 4,500 ft

2013-10-31

Spud 2013-10-14

#267254 Recompletion Final Completion

BRAZOS CATTLE CO., LTD. · 5,234 ft

1985-02-20

#218575 Recompletion

BRAZOS CATTLE CO., LTD. · 5,234 ft

1983-10-25

#152983 Recompletion Final Completion

BRAZOS CATTLE CO., LTD. · 4,500 ft

1982-03-12

#113473 Recompletion Final Completion

BRAZOS CATTLE CO., LTD · 4,553 ft

1981-03-27

#56381 Drill Final Completion

BRAZOS CATTLE COMPANY, LTD. · 5,200 ft

1979-08-23

Applications (6)

#772372 A TRAP ROCK OIL, LTD.

received 2013-10-23

#267254 A OXOCO OIL & GAS, INC.

received 1985-02-20

#218575 A OXOCO EXPLORATION&PRODUCTION,INC

received 1983-10-25

#152983 A OXOCO EXPLORATION CORP.

received 1982-03-12

#113473 A YATES ENERGY CO.

received 1981-03-27

#56381 A LYNCO OIL CORP.

received 1979-08-23

Records & Logs

7 completion filings on record.

W-2/G-1 2013-12-13

W-2/G-1 1985-03-18

W-2/G-1 1985-04-02

W-2/G-1 1988-01-18

W-2/G-1 1982-10-26

W-2/G-1 1982-05-06

+1 more filings

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 STARR County.

Well Details

Well Number: 1
Max Depth: 5,234 ft
Drill Type: Vertical
County: STARR
District: 4
Operator: TRAP ROCK OIL, LTD.

Operator

Name: TRAP ROCK OIL, LTD
Location: HOUSTON
P-5 Status: X (filed 2025-12-02)
Cum Oil (all leases): 537,195 bbl
Cum Gas (all leases): 957,818 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 41