WILLIAMS

Oil // district 13 // lease#33599

op: STAMPER OPERATING CO., INC.

cum_oil

7k BBL

cum_gas

0 MCF

wells

9

production

2014-12 — 2026-03

peak_month

2017-05

-- production_history

cum_oil: 7,140 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

123 BBL/mo

Di (annual)

22.1%

b-factor

0.0

EUR

6,627 BBL

R-squared

0.319

type

exponential

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12STAMPER OPERATING CO., INC.13502018-08-01
10STAMPER OPERATING CO., INC.13002017-07-13
9STAMPER OPERATING CO., INC.13002017-07-13
7STAMPER OPERATING CO., INC.13002017-04-07
6STAMPER OPERATING CO., INC.13002017-02-27
5STAMPER OPERATING CO., INC.13002017-02-24
4STAMPER OPERATING CO., INC.13002017-02-09
3STAMPER OPERATING CO., INC.13002016-12-19
2STAMPER OPERATING CO., INC.13002014-06-20
EOF // data source: Texas Railroad Commission // 2026