KOESTER

Oil · District 09 · Lease #21783

Operator: ADA EXPLORATION

Cum Oil

21k BBL

Cum Gas

181 MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2008-04

Production History

Cum Oil: 20,683 BBL Cum Gas: 181 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

278 BBL/mo

Di (annual)

133.9%

b-factor

1.2

EUR

13,466 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 ADA EXPLORATION 403 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21ADA EXPLORATION12,0001999-12-27
19ADA EXPLORATION12,0001983-08-17
17AADA EXPLORATION12,0001983-07-08
12AADA EXPLORATION12,0001982-12-23
13AADA EXPLORATION12,0001982-12-23
8AADA EXPLORATION12,0001982-08-24
2AADA EXPLORATION11,2001981-12-07
3AADA EXPLORATION11,2001981-12-07
1AADA EXPLORATION11,2001981-12-04