PARKER RANCHLAND 22

Oil // district 10 // lease#44362

op: ROBERTSON RESOURCES, INC.

cum_oil

147k BBL

cum_gas

0 MCF

wells

4

production

2012-10 — 2026-03

peak_month

2014-03

-- production_history

cum_oil: 146,663 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,359 BBL/mo

Di (annual)

60.1%

b-factor

0.4

EUR

109,486 BBL

R-squared

0.773

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RUST OIL CORP.213,2002014-10-16
4ICA ENERGY OPERATING, L.L.C110,2002013-11-19
3ICA ENERGY OPERATING, L.L.C210,6002013-02-20
2ICA ENERGY OPERATING, L.L.C29,8002012-09-20
EOF // data source: Texas Railroad Commission // 2026