ROBERTSON 22

Oil // district 11 // lease#69825

op: GUNGOLL, CARL E. EXPLORATION LLC

cum_oil

19k BBL

cum_gas

0 MCF

wells

3

production

2011-12 — 2026-03

peak_month

2014-08

-- production_history

cum_oil: 19,044 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

286 BBL/mo

Di (annual)

41.7%

b-factor

0.8

EUR

21,116 BBL

R-squared

0.646

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GUNGOLL, CARL E. EXPLORATION LLC14,6002014-06-04
2GUNGOLL, CARL E. EXPLORATION LLC14,6002012-04-24
1GUNGOLL, CARL E. EXPLORATION LLC14,6002011-09-02
EOF // data source: Texas Railroad Commission // 2026