KIMBLE-GILLEY UNIT

Oil // district 2 // lease#9984

op: MARATHON OIL EF LLC

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

8

production

2012-04 — 2026-03

peak_month

2017-06

-- production_history

cum_oil: 1,173,681 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

31,179 BBL/mo

Di (annual)

231.2%

b-factor

0.9

EUR

654,004 BBL

R-squared

0.837

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
502HMARATHON OIL EF LLC118,7002016-10-05
2HMARATHON OIL EF LLC118,7002016-09-29
3HMARATHON OIL EF LLC118,7002016-09-29
503HMARATHON OIL EF LLC118,7002016-09-29
504HMARATHON OIL EF LLC118,7002016-09-29
5HMARATHON OIL EF LLC218,0002014-02-21
4HMARATHON OIL EF LLC217,9002014-02-03
1HMARATHON OIL EF LLC114,5002012-01-31
EOF // data source: Texas Railroad Commission // 2026