CALDWELL

Oil · District 7B · Lease #20518

Operator: PETREE OPERATING, INC.

Cum Oil

48k BBL

Cum Gas

257 MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 48,178 BBL Cum Gas: 257 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

413 BBL/mo

Di (annual)

17.0%

b-factor

0.4

EUR

43,341 BBL

R-squared

0.729

type

hyperbolic

Operator History (from monthly production reports)

1996-03 — 2026-07 OAKTREE OIL COMPANY 365 mo
1995-01 — 1996-02 PETREE OPERATING, INC. 14 mo
1993-01 — 1994-12 OAKTREE OIL COMPANY 24 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14OAKTREE OIL COMPANY11,2002012-04-13
12OAKTREE OIL COMPANY11,2002010-02-17
10OAKTREE OIL COMPANY11,3002003-02-26
9OAKTREE OIL COMPANY11,3001996-03-18
7OAKTREE OIL COMPANY11,3001991-10-04
6OAKTREE OIL COMPANY11,2001991-04-05
5OAKTREE OIL COMPANY11,0001986-06-23
4OAKTREE OIL COMPANY11,0001985-12-03
3OAKTREE OIL COMPANY11,0001985-08-09
2OAKTREE OIL COMPANY24,4541983-06-20