RICHTER SOUTH UNIT

Oil // district 2 // lease#10676

op: VALIDUS NRG AQUILAS ASSETCO LLC

cum_oil

2.1M BBL

cum_gas

0 MCF

wells

7

production

2013-09 — 2026-03

peak_month

2014-06

-- production_history

cum_oil: 2,071,404 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

136,462 BBL/mo

Di (annual)

304.0%

b-factor

0.9

EUR

2,273,099 BBL

R-squared

0.986

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HPLAINS EXPLORATION & PROD. CO.113,6002013-06-17
5HPLAINS EXPLORATION & PROD. CO.113,6002013-06-06
6HPLAINS EXPLORATION & PROD. CO.113,6002013-06-06
4HPLAINS EXPLORATION & PROD. CO.113,4502013-04-16
1HPLAINS EXPLORATION & PROD. CO.113,4002013-04-12
2HPLAINS EXPLORATION & PROD. CO.113,4002013-04-12
3HPLAINS EXPLORATION & PROD. CO.113,4502013-04-12
EOF // data source: Texas Railroad Commission // 2026