SECOND SUB-CLKVLE. FORM. UNIT

Oil // district 6 // lease#4886

op: SILVER OAK OPERATING, INC.

cum_oil

284k BBL

cum_gas

0 MCF

wells

18

production

1993-01 — 2026-03

peak_month

2016-03

-- production_history

cum_oil: 284,236 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,868 BBL/mo

Di (annual)

11.0%

b-factor

0.0

EUR

203,639 BBL

R-squared

0.625

type

exponential

-- wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
311CARR RESOURCES, INC.48,5002010-01-14
202ROBBINS PETROLEUM CORP.15,9401979-05-11
100142-499-80479--------
20442-499-80472--------
20642-499-01360--------
220142-499-80487--------
280142-499-80489--------
290142-499-80490--------
30342-499-01368--------
30542-499-80475--------
30742-499-80477--------
30842-499-01376--------
309W42-499-01377--------
310W42-499-01371--------
350142-499-80512--------
360142-499-80494--------
70142-499-01399--------
70242-499-01403--------
EOF // data source: Texas Railroad Commission // 2026