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Oil // district 13 // lease#17042

op: CLARK OPERATING INC.

cum_oil

304k BBL

cum_gas

0 MCF

wells

16

production

1993-01 — 2026-03

peak_month

2003-12

-- production_history

cum_oil: 304,423 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

898 BBL/mo

Di (annual)

2.9%

b-factor

0.0

EUR

284,900 BBL

R-squared

0.399

type

exponential

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1011CLARK OPERATING INC.14,0002026-02-05
101CLARK OPERATING INC.12,0002023-06-26
101242-009-86668--------
101342-009-86669--------
101442-009-86670--------
101542-009-86671--------
10342-009-86656--------
10542-009-86657--------
10642-009-86658--------
20142-009-07146--------
20242-009-86660--------
20342-009-86661--------
30142-009-86662--------
30242-009-86663--------
30342-009-86664--------
40142-009-87565--------
EOF // data source: Texas Railroad Commission // 2026