42-133-37770

Final Completion

DUFFER B

EASTLAND County · District 7 · BYRNE OIL COMPANY

Permits

Max Depth

4,000 ft

First Permit

1999-04-16

Latest Activity

2018-06-07

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

1999-05-15

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2018-08

Last Production

2026-07

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 (10) Elevation 1,481 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
DUFFER	3,427 ft	-1,946 ft
BLAKE - DISPOSAL	—	—
CADDO - DISPOSAL (Caddo)	—	—
CISCO SAND - DISPOSAL (Cisco)	—	—
ELLENBURGER - DISPOSAL (Ellenburger)	—	—
ELY SAND - DISPOSAL	—	—
FRYE - DISPOSAL	—	—
HICKORY SAND - DISPOSAL	—	—
MISSISSIPPIAN - DISPOSAL (Mississippian)	—	—
STRAWN SAND - OVERPRESSURED (GAS (Strawn)	—	—

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section

✓ 42-133-38274 DUFFER · BYRNE OIL COMPANY

0.6 mi

Strawn 1,090'BLAKE - DISPOSAL —FRYE - DISPOSAL —Strawn —OVERALL SAND - DISPOSAL —UNIDENTIFIED-COUNTY REGULAR - DI —CROSSCUT - DISPOSAL —ELY SAND - DISPOSAL —Cisco —Canyon —

✓ 42-133-36711 LUCKY SEVEN · RICHEY & COMPANY, INC.

1.9 mi

Strawn 1,270'Strawn 1,270'Caddo 2,854'CONGLOMERATE 3,039'Mississippian 3,176'Ellenburger 3,606'

✓ 42-133-32964 PENN, E.F. · TJR PETROLEUMS, INC.

3.2 mi

Marble Falls 3,216'RANGER 3,350'BLAKE - DISPOSAL —ELY SAND - DISPOSAL —FRYE - DISPOSAL —OVERALL SAND - DISPOSAL —UNIDENTIFIED-COUNTY REGULAR - DI —CROSSCUT - DISPOSAL —Cisco —Strawn —

✓ 42-133-38271 ELLIE · BEAR SPRINGS OIL & GAS, L.L.C

4.3 mi

UNIDENTIFIED-COUNTY REGULAR - DI 3,815'ELY SAND - DISPOSAL —BLAKE - DISPOSAL —FRYE - DISPOSAL —Strawn —OVERALL SAND - DISPOSAL —CROSSCUT - DISPOSAL —Strawn —Canyon —Cisco —

✓ 42-133-38263 ELLIE · BEAR SPRINGS OIL & GAS, L.L.C

4.4 mi

ELY SAND - DISPOSAL —BLAKE - DISPOSAL —FRYE - DISPOSAL —OVERALL SAND - DISPOSAL —UNIDENTIFIED-COUNTY REGULAR - DI —CROSSCUT - DISPOSAL —Strawn —Strawn —Cisco —Canyon —

✓ 42-133-38284 HAILEY D · BEAR SPRINGS OIL & GAS, L.L.C

7.8 mi

Strawn 1,010'UNIDENTIFIED-COUNTY REGULAR - DI 3,150'BLAKE - DISPOSAL —FRYE - DISPOSAL —OVERALL SAND - DISPOSAL —Cisco —ELY SAND - DISPOSAL —Canyon —CROSSCUT - DISPOSAL —Strawn —

✓ 42-133-38278 HAILEY D · BEAR SPRINGS OIL & GAS, L.L.C

7.9 mi

UNIDENTIFIED-COUNTY REGULAR - DI 3,150'Canyon —ELY SAND - DISPOSAL —BLAKE - DISPOSAL —FRYE - DISPOSAL —Strawn —OVERALL SAND - DISPOSAL —CROSSCUT - DISPOSAL —Strawn —Cisco —

✓ 42-133-38272 HAILEY D · BEAR SPRINGS OIL & GAS, L.L.C

7.9 mi

ELY SAND - DISPOSAL 730'Strawn 896'Strawn 1,090'OVERALL SAND - DISPOSAL —UNIDENTIFIED-COUNTY REGULAR - DI —CROSSCUT - DISPOSAL —Canyon —Cisco —BLAKE - DISPOSAL —FRYE - DISPOSAL —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

Interval	Type
3,427–3,437 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	154 ft	95 sx
4.5"	3,529 ft	150 sx

Permit History (2)

#840824 Reenter Final Completion

DUFFER B · 3,500 ft

2018-06-07

Spud 2018-07-20

#483791 Drill Plug Dry Hole (P&A)

DUFFER · 4,000 ft

1999-04-16

Spud 1999-05-06

Applications (2)

#840824 A BYRNE OIL COMPANY

received 2018-06-04

#483791 A BYRNE, ROBERT E.

received 1999-04-12

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2018-11-06 log on file

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.

Google Maps → Explorer Map →

Lat 32.413810

Lon -98.658741

Well Details

Well Number: 1
Max Depth: 4,000 ft
Drill Type: Vertical
County: EASTLAND
District: 7
Operator: BYRNE OIL COMPANY

Operator

Name: BYRNE OIL CO
Location: LUBBOCK
P-5 Status: Active (filed 2025-12-10)
Cum Oil (all leases): 198,507 bbl
Cum Gas (all leases): 522,884 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 42