< leases

THOMAS & WHITTINGTON -D-

Oil · District 01 · Lease #8064

Operator: SHEFTS & SHEFTS, INC.

Fields: DUNLAP

Cum Oil

17k BBL

Cum Gas

20k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1998-12

Production History

Cum Oil: 16,603 BBL Cum Gas: 19,632 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

95 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

16,835 BBL

R-squared

0.556

type

exponential

Operator History (from monthly production reports)

2025-07 — 2026-07 BUONADONNA OIL LLC 13 mo
1999-06 — 2025-06 SHEFTS & SHEFTS, INC. 313 mo
1993-01 — 1999-05 PATTON & CADDELL OIL, INC. 77 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
842-055-32526BUONADONNA OIL LLC12,4001981-12-31
242-055-32443BUONADONNA OIL LLC12,4001981-11-30
342-055-32440BUONADONNA OIL LLC12,4001981-11-30
442-055-32445BUONADONNA OIL LLC12,4001981-11-30
542-055-32444BUONADONNA OIL LLC12,4001981-11-30
642-055-32439BUONADONNA OIL LLC12,4001981-11-30
742-055-32441BUONADONNA OIL LLC12,4001981-11-30