EFFIE PONDER EST. 33-18

Oil // district 10 // lease#38719

op: CIMAREX ENERGY CO. OF COLORADO

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

5

production

2008-03 — 2026-03

peak_month

2018-08

-- production_history

cum_oil: 1,244,480 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

26,456 BBL/mo

Di (annual)

237.1%

b-factor

1.7

EUR

1,512,815 BBL

R-squared

0.818

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HCIMAREX ENERGY CO.213,0002017-06-14
3HCIMAREX ENERGY CO.111,1002012-05-07
2HCIMAREX ENERGY CO. OF COLORADO311,5002010-08-30
1CIMAREX ENERGY CO. OF COLORADO315,2652008-06-24
1HCIMAREX ENERGY CO. OF COLORADO315,2652008-06-24
EOF // data source: Texas Railroad Commission // 2026