TOMBALL GAS UNIT #18

Oil · District 03 · Lease #23647

Operator: GALLOWAY LONE STAR, L.L.C.

Cum Oil

190k BBL

Cum Gas

611k MCF

casinghead

Wells

1

Production

1999-03 — 2026-04

Peak Month

2023-11

Production History

Cum Oil: 190,157 BBL Cum Gas: 611,358 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,100 BBL/mo

Di (annual)

7.5%

b-factor

0.0

EUR

171,587 BBL

R-squared

0.384

type

exponential

Operator History (from monthly production reports)

2022-02 — 2026-07 GALLOWAY LONE STAR, L.L.C. 54 mo
2019-02 — 2022-01 DAYLIGHT PETROLEUM LLC 36 mo
2015-07 — 2019-01 FIVE-JAB, INC. 43 mo
1999-03 — 2015-06 GAITHER PETROLEUM CORPORATION 196 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GALLOWAY LONE STAR, L.L.C.512,5001999-03-25