WINGNUT UNIT 'A'

Oil // district 2 // lease#10372

op: MARATHON OIL EF LLC

cum_oil

3.2M BBL

cum_gas

0 MCF

wells

8

production

2013-01 — 2026-03

peak_month

2017-10

-- production_history

cum_oil: 3,178,890 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

46,171 BBL/mo

Di (annual)

32.5%

b-factor

0.0

EUR

1,706,538 BBL

R-squared

0.468

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HMARATHON OIL EF LLC119,0002017-05-10
6HMARATHON OIL EF LLC119,0002017-04-04
7HMARATHON OIL EF LLC119,0002017-04-04
8HMARATHON OIL EF LLC119,0002017-04-04
2HMARATHON OIL EF LLC113,5002013-01-22
3HMARATHON OIL EF LLC113,5002013-01-22
4HMARATHON OIL EF LLC113,5002013-01-22
1HPALOMA RESOURCES, LLC113,5002012-07-11
EOF // multi-state drilling data platform // 2026