CAMPBELL-HARRINGTON

Oil · District 03 · Lease #23303

Operator: ETOCO, L.P.

Cum Oil

42k BBL

Cum Gas

447k MCF

casinghead

Wells

1

Production

1997-09 — 2003-04

Peak Month

1998-03

Production History

Cum Oil: 41,534 BBL Cum Gas: 447,419 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,871 BBL/mo

Di (annual)

509.6%

b-factor

0.8

EUR

33,664 BBL

R-squared

0.833

type

hyperbolic

Operator History (from monthly production reports)

2005-06 — 2007-11 ETOCO, L.P. 30 mo
1997-09 — 2005-05 ETOCO INCORPORATED 93 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ETOCO L.P.29,2001997-03-13