SHACKELFORD, DON C.

Oil // district 13 // lease#17866

op: STAMPER OPERATING CO., INC.

cum_oil

43k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1993-04

-- production_history

cum_oil: 43,264 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

151 BBL/mo

Di (annual)

3.8%

b-factor

0.0

EUR

40,414 BBL

R-squared

0.313

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DMCMAHON-BULLINGTON DRILLING CO.12,4501978-08-22
3MCMAHON-BULLINGTON DRILLING CO.13,8001978-06-28
2MCMAHON-BULLINGTON DRILLING CO.13,8051977-09-16
142-237-31062--------
EOF // multi-state drilling data platform // 2026