BRENNAND "A"

Oil // district 10 // lease#33698

op: PETRA OLEUM CORP.

cum_oil

3k BBL

cum_gas

0 MCF

wells

1

production

1993-02 — 1999-04

peak_month

1993-02

-- production_history

cum_oil: 3,275 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

313 BBL/mo

Di (annual)

502.9%

b-factor

1.2

EUR

5,945 BBL

R-squared

0.841

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GRAHAM ROYALTY, LTD.28,2751993-01-06
EOF // data source: Texas Railroad Commission // 2026