FRASER TXL -A-

Oil // district 10 // lease#6879

op: RKI EXPLORATION & PRODUCTION LLC

fields: TUNSTILL

cum_oil

8k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2018-02

peak_month

2003-12

-- production_history

cum_oil: 8,387 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

215 BBL/mo

Di (annual)

40.7%

b-factor

0.5

EUR

11,557 BBL

R-squared

0.571

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CHAPARRAL ENERGY, L.L.C.13,5002003-08-06
242-301-00740--------
EOF // multi-state drilling data platform // 2026