BLACK ANGUS 47

Oil // district 10 // lease#46278

op: REATTA ENERGY, INC.

cum_oil

290k BBL

cum_gas

0 MCF

wells

6

production

2013-04 — 2026-03

peak_month

2017-11

-- production_history

cum_oil: 289,976 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

10,081 BBL/mo

Di (annual)

95.5%

b-factor

0.3

EUR

180,734 BBL

R-squared

0.961

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7PURVIS OPERATING CO.15,9002017-07-05
6PURVIS OPERATING CO.15,8002017-03-01
4PURVIS OPERATING CO.16,5002016-11-17
3PURVIS OPERATING CO.15,8002015-10-22
5PURVIS OPERATING CO.18,3002015-08-18
1PURVIS OPERATING CO.38,3502013-04-02
EOF // data source: Texas Railroad Commission // 2026