GRAEF 1-12

Oil · District 08 · Lease #49639

Operator: TAP ROCK OPERATING, LLC

Cum Oil

249k BBL

Cum Gas

461k MCF

casinghead

Wells

1

Production

2017-12 — 2024-04

Peak Month

2018-01

Production History

Cum Oil: 249,081 BBL Cum Gas: 460,911 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,538 BBL/mo

Di (annual)

230.4%

b-factor

0.5

EUR

190,142 BBL

R-squared

0.884

type

hyperbolic

Operator History (from monthly production reports)

2023-12 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 32 mo
2020-07 — 2023-11 TAP ROCK OPERATING, LLC 41 mo
2017-12 — 2020-06 PCORE EXPLORATION & PROD II LLC 31 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HACIVITAS PERMIAN OPERATING LLC112,0002017-07-05