BROOKS UNIT

Oil · District 7C · Lease #4280

Operator: ZACHRY OIL AND GAS PROPERTIES

Cum Oil

38k BBL

Cum Gas

91 MCF

casinghead

Wells

36

Production

1993-01 — 2024-01

Peak Month

2008-04

Production History

Cum Oil: 37,787 BBL Cum Gas: 91 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

332 BBL/mo

Di (annual)

42.4%

b-factor

0.1

EUR

10,372 BBL

R-squared

0.469

type

hyperbolic

Operator History (from monthly production reports)

2005-12 — 2026-07 FRATELLI EXPLORATION, L.P. 248 mo
2000-10 — 2005-11 FREEMAN OIL CO 62 mo
1995-09 — 2000-09 ZACHRY OIL AND GAS PROPERTIES 61 mo
1994-07 — 1995-08 JIM-BOB OIL COMPANY 14 mo
1993-01 — 1994-06 LAWRENCE, C. F. & ASSOC. INC. 18 mo

Wells (36)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4039FRATELLI EXPLORATION L.P.11,3001984-12-06
5036FRATELLI EXPLORATION L.P.11,3001984-07-26
5034FRATELLI EXPLORATION L.P.11,3001984-07-23
4037FRATELLI EXPLORATION L.P.11,3001984-07-20
4038FRATELLI EXPLORATION L.P.11,3001984-07-20
607FRATELLI EXPLORATION L.P.11,2501984-06-01
2032FRATELLI EXPLORATION L.P.11,2501984-05-01
3033FRATELLI EXPLORATION L.P.11,2501984-05-01
5028FRATELLI EXPLORATION L.P.11,2501983-08-16
5029FRATELLI EXPLORATION L.P.11,2501983-08-16
5030FRATELLI EXPLORATION L.P.11,2501983-08-16
1031FRATELLI EXPLORATION L.P.11,2501983-07-06
527FRATELLI EXPLORATION L.P.11,2501983-07-06
3024FRATELLI EXPLORATION L.P.11,2501983-05-31
5026FRATELLI EXPLORATION L.P.11,2501983-05-31
2022FRATELLI EXPLORATION L.P.11,2501983-04-21
3023FRATELLI EXPLORATION L.P.11,2501983-04-21
3025FRATELLI EXPLORATION L.P.11,2501983-04-21
3019FRATELLI EXPLORATION L.P.11,2501983-04-19
1020FRATELLI EXPLORATION L.P.11,2501983-01-27
2018FRATELLI EXPLORATION L.P.11,2501983-01-27
2017FRATELLI EXPLORATION L.P.11,2501982-11-10
3021FRATELLI EXPLORATION L.P.11,2501982-11-10
10242-235-00607FRATELLI EXPLORATION L.P.------
20342-235-00611FRATELLI EXPLORATION L.P.------
20442-235-80078FRATELLI EXPLORATION L.P.------
20642-235-00616FRATELLI EXPLORATION L.P.------
30742-235-00610FRATELLI EXPLORATION L.P.------
30842-235-00612FRATELLI EXPLORATION L.P.------
30942-235-00614FRATELLI EXPLORATION L.P.------
4011W42-235-00609FRATELLI EXPLORATION L.P.------
501242-235-80082FRATELLI EXPLORATION L.P.------
5013W42-235-00259FRATELLI EXPLORATION L.P.------
501442-235-00565FRATELLI EXPLORATION L.P.------
601642-235-00563FRATELLI EXPLORATION L.P.------
C 1WS42-235-00552FRATELLI EXPLORATION L.P.------