SAN CHRISTOVAL RANCH UNIT A

Oil · District 02 · Lease #10836

Operator: MARATHON OIL EF LLC

Cum Oil

2.1M BBL

Cum Gas

7.4M MCF

casinghead

Wells

11

Production

2014-04 — 2026-04

Peak Month

2014-05

Production History

Cum Oil: 2,057,628 BBL Cum Gas: 7,365,137 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

87,916 BBL/mo

Di (annual)

133.2%

b-factor

0.7

EUR

2,136,645 BBL

R-squared

0.896

type

hyperbolic

Operator History (from monthly production reports)

2014-04 — 2026-07 MARATHON OIL EF LLC 148 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HMARATHON OIL EF LLC122,0002020-07-22
11HMARATHON OIL EF LLC222,0002020-07-22
12HMARATHON OIL EF LLC122,0002020-07-22
8HMARATHON OIL EF LLC118,5002014-12-10
9HMARATHON OIL EF LLC118,5002014-12-10
6HMARATHON OIL EF LLC118,8002014-07-17
7HMARATHON OIL EF LLC218,8002014-07-08
3HMARATHON OIL EF LLC119,6002013-11-25
5HMARATHON OIL EF LLC119,4002013-11-25
4HMARATHON OIL EF LLC119,3002013-11-22
2HMARATHON OIL EF LLC118,6002013-10-25