RUPPERT A

Oil · District 02 · Lease #10001

Operator: PETROHAWK OPERATING COMPANY

Cum Oil

4.5M BBL

Cum Gas

5.3M MCF

casinghead

Wells

15

Production

2012-01 — 2026-04

Peak Month

2015-03

Production History

Cum Oil: 4,497,769 BBL Cum Gas: 5,287,288 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

218,643 BBL/mo

Di (annual)

289.0%

b-factor

0.9

EUR

3,801,148 BBL

R-squared

0.811

type

hyperbolic

Operator History (from monthly production reports)

2014-11 — 2026-07 DEVON ENERGY PRODUCTION CO, L.P. 141 mo
2013-08 — 2014-10 BHP BILLITON PET(TXLA OP) CO 15 mo
2012-01 — 2013-07 PETROHAWK OPERATING COMPANY 19 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-05-03
11HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-05-03
12HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-05-03
9HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-05-03
3HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-30
4HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-30
13HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
14HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
15HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
5HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
6HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
7HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
8HDEVON ENERGY PRODUCTION CO, L.P.114,0002014-04-29
2HDEVON ENERGY PRODUCTION CO, L.P.214,0002011-11-07
1HDEVON ENERGY PRODUCTION CO, L.P.214,0002011-09-16