MUNSON B

Oil // district 9 // lease#18398

op: SEM OPERATING COMPANY LLC

cum_oil

733k BBL

cum_gas

0 MCF

wells

9

production

2013-12 — 2026-03

peak_month

2014-11

-- production_history

cum_oil: 733,492 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

32,527 BBL/mo

Di (annual)

125.5%

b-factor

0.5

EUR

603,264 BBL

R-squared

0.807

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2001HFORELAND OPERATING, LLC39,0002017-02-23
2002HEOG RESOURCES, INC.29,0002015-07-23
2003HEOG RESOURCES, INC.29,0002015-07-23
1706HEOG RESOURCES, INC.18,0002014-09-29
1704HEOG RESOURCES, INC.17,0002014-06-02
1705HEOG RESOURCES, INC.27,0002014-06-02
1801HEOG RESOURCES, INC.27,0002013-10-25
1802HEOG RESOURCES, INC.16,9202013-10-25
2701HEOG RESOURCES, INC.36,6002010-12-13
EOF // data source: Texas Railroad Commission // 2026