TURNBULL UNIT F

Oil · District 02 · Lease #10656

Operator: MARATHON OIL EF LLC

Cum Oil

293k BBL

Cum Gas

708k MCF

casinghead

Wells

6

Production

2011-07 — 2026-04

Peak Month

2023-08

Production History

Cum Oil: 292,656 BBL Cum Gas: 708,172 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

32,674 BBL/mo

Di (annual)

654.9%

b-factor

1.0

EUR

348,337 BBL

R-squared

0.962

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2026-07 MARATHON OIL EF LLC 169 mo
2011-07 — 2011-07 HILCORP ENERGY COMPANY 1 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HMARATHON OIL EF LLC122,0002023-01-27
9HMARATHON OIL EF LLC122,0002023-01-27
1HMARATHON OIL EF LLC126,0002021-12-14
2HMARATHON OIL EF LLC126,0002021-12-14
3HMARATHON OIL EF LLC126,0002021-12-14
6HMARATHON OIL EF LLC113,5002011-02-01