42-447-34590

Final Completion

SPEARS MARY J.

THROCKMORTON County · District 7 · BELLAH & MATHIEWS · DICK SCOTT (MISSISSIPPIAN)

Permits

Max Depth

4,700 ft

First Permit

1986-04-15

Latest Activity

1993-10-07

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-09-08

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: BELLAH & MATHIEWS ≠ Permit: PENNZOIL PETROLEUM COMPANY

Resolved via: production → BELLAH & MATHIEWS

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000085872 permitted 1997-01-31

Permitted Volume

1,200 bbl/d

Max Pressure

1,600 psi

Injection Interval

3,500–4,500 ft

Injected (12mo)

132,000 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

Operator History

Chain of Custody

PENNZOIL PETROLEUM COMPANY 1993-1995→ PENNZOIL EXPLORATION & PROD. CO. 1995-1998→ ROMAC OIL COMPANY, INC. 1999-1999→ C & G TRANSPORTS, INC. 2000-2007→ BELLAH & MATHIEWS 2007-2026

Lease Production

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

Formation Tops (14) Elevation 1,149 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
PALO PINTO	1,737 ft	-588 ft
PALO PINTO	1,746 ft	-597 ft
STRAWN	2,038 ft	-889 ft
CADDO	3,570 ft	-2,421 ft
CADDO	3,571 ft	-2,422 ft
CADDO	3,576 ft	-2,427 ft
BIG SALINE	4,064 ft	-2,915 ft
MARBLE FALLS	4,225 ft	-3,076 ft
MARBLE FALLS	4,230 ft	-3,081 ft
BARNETT	4,290 ft	-3,141 ft
BARNETT SHALE (Barnett)	4,319 ft	-3,170 ft
MISSISSIPPIAN	4,350 ft	-3,201 ft
MISSISSIPPI (Mississippian)	4,380 ft	-3,231 ft
MISS. LM. (Mississippian)	4,381 ft	-3,232 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 (7)

Interval	Type
3,570–3,588 ft	Perforated
3,607–3,628 ft	Perforated
3,722–3,752 ft	Perforated
3,833–3,846 ft	Perforated
4,073–4,090 ft	Perforated
4,358–4,373 ft	Perforated
4,381–4,393 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	510 ft	360 sx
8.625"	518 ft	350 sx
5.5"	4,494 ft	940 sx
5.5"	4,494 ft	940 sx
5.5"	4,630 ft	1,145 sx

Permit History (2)

#416846 Recompletion Final Completion

SPEARS, MARY J. · 4,504 ft

1993-10-07

Spud 1993-11-01

#301066 Drill Final Completion

SPEARS, MARY J. · 4,700 ft

1986-04-15

Spud 1986-04-28

Applications (2)

#416846 A PENNZOIL PETROLEUM COMPANY

received 1993-10-07

#301066 A CHEVRON U. S. A. INC.

received 1986-04-01

Records & Logs

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

W-2/G-1 1997-03-19

W-2/G-1 1993-12-20 log on file

W-2/G-1 1987-09-24

W-2/G-1 1986-06-26 log on file

W-2/G-1 1986-08-06

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 THROCKMORTON County.

Well Details

Well Number: 1
Max Depth: 4,700 ft
Drill Type: Vertical
County: THROCKMORTON
District: 7
Operator: BELLAH & MATHIEWS
Completed: 1987-09-08

Operator

Name: BELLAH & MATHIEWS
Location: WOODSON
P-5 Status: Active (filed 2026-03-19)
Cum Oil (all leases): 183,212 bbl
Cum Gas (all leases): 69,925 mcf
Activities: OPRS/G, OPRS/O