STATE TRACT 77-S

Oil · District 03 · Lease #24307

Operator: HIGH ISLAND GAS LLC

Cum Oil

236k BBL

Cum Gas

111k MCF

casinghead

Wells

1

Production

2002-10 — 2010-09

Peak Month

2003-01

Production History

Cum Oil: 236,381 BBL Cum Gas: 111,185 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,330 BBL/mo

Di (annual)

278.0%

b-factor

0.9

EUR

347,323 BBL

R-squared

0.819

type

hyperbolic

Operator History (from monthly production reports)

2011-09 — 2026-07 HIGH ISLAND GAS LLC 179 mo
2003-11 — 2011-08 HELIS OIL & GAS COMPANY, L.L.C. 94 mo
2002-10 — 2003-10 HELIS, WILLIAM G. CO., LLC, THE 13 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HELIS WILLIAM G. CO. LLC THE310,0002003-02-05