GUITAR 12

Oil // district 10 // lease#40021

op: MANHATTAN PETROLEUM, INC.

cum_oil

9k BBL

cum_gas

0 MCF

wells

2

production

2009-12 — 2026-03

peak_month

2010-07

-- production_history

cum_oil: 9,471 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

698 BBL/mo

Di (annual)

100.2%

b-factor

0.0

EUR

8,352 BBL

R-squared

0.844

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3MANHATTAN PETROLEUM, INC.310,1202009-10-26
2MANHATTAN PETROLEUM, INC.19,5002009-10-15
EOF // data source: Texas Railroad Commission // 2026