WAGGONER -UN-

Oil // district 13 // lease#19642

op: SLANT OPERATING, LLC

cum_oil

97k BBL

cum_gas

0 MCF

wells

17

production

1993-01 — 2026-03

peak_month

2011-05

-- production_history

cum_oil: 96,513 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,450 BBL/mo

Di (annual)

40.0%

b-factor

0.6

EUR

88,988 BBL

R-squared

0.847

type

hyperbolic

-- wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18JOHNSON & ERNST OPERATING CO.12,0002016-08-05
17JOHNSON & ERNST OPERATING CO.12,0002015-03-03
14JOHNSON & ERNST OPERATING CO.12,0002014-08-27
13JOHNSON & ERNST OPERATING CO.12,0002014-03-11
12JOHNSON & ERNST OPERATING CO.12,0002013-08-05
10JOHNSON & ERNST OPERATING CO.12,0002011-12-21
9JOHNSON & ERNST OPERATING CO.12,0002011-02-02
8JOHNSON & ERNST OPERATING CO.12,0002010-09-01
7JOHNSON & ERNST OPERATING CO.12,0001997-08-28
6JOHNSON & ERNST OPERATING CO.12,0001996-12-10
4JOHNSON, F. T., JR.12,0001980-11-03
3JOHNSON, F. T., JR.12,0001979-10-24
2JOHNSON, F. T., JR.12,0001979-10-12
1JOHNSON, F. T., JR.12,0001979-07-27
1542-487-07588--------
1642-487-07587--------
542-487-83401--------
EOF // data source: Texas Railroad Commission // 2026