G.W. O'BRIEN ET AL

Oil · District 08 · Lease #55583

Operator: MARATHON OIL EF LLC

Cum Oil

980k BBL

Cum Gas

3.8M MCF

casinghead

Wells

4

Production

2019-05 — 2026-04

Peak Month

2019-08

Production History

Cum Oil: 979,916 BBL Cum Gas: 3,786,278 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

34,814 BBL/mo

Di (annual)

131.1%

b-factor

1.2

EUR

1,711,950 BBL

R-squared

0.982

type

hyperbolic

Operator History (from monthly production reports)

2019-07 — 2026-07 BOSQUE TEXAS OIL LLC 85 mo
2019-05 — 2019-06 MARATHON OIL EF LLC 2 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HBOSQUE TEXAS OIL LLC124,0002019-10-22
4HBOSQUE TEXAS OIL LLC123,0002019-08-21
1BOSQUE TEXAS OIL LLC216,0002019-08-13
2HBOSQUE TEXAS OIL LLC216,0002019-08-13