TURNBULL UNIT B-C 8H PSA

Oil · District 02 · Lease #11544

Operator: MARATHON OIL EF LLC

Cum Oil

299k BBL

Cum Gas

884k MCF

casinghead

Wells

1

Production

2018-01 — 2026-04

Peak Month

2018-07

Production History

Cum Oil: 299,319 BBL Cum Gas: 884,105 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,682 BBL/mo

Di (annual)

772.8%

b-factor

0.8

EUR

123,385 BBL

R-squared

0.510

type

hyperbolic

Operator History (from monthly production reports)

2018-01 — 2026-07 MARATHON OIL EF LLC 103 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HMARATHON OIL EF LLC120,0002017-10-27