COLBERT, JACK

Oil // district 1 // lease#10050

op: SPECKLE TROUT OPERATING LLC

cum_oil

73k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2001-10

-- production_history

cum_oil: 73,401 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

417 BBL/mo

Di (annual)

9.7%

b-factor

0.0

EUR

51,023 BBL

R-squared

0.773

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DPM OPERATING12,5002018-01-18
3A3R-B OIL VENTURE12,5002001-08-29
1A3R-B OIL VENTURE12,5001999-12-06
23R-B OIL VENTURE22,5001987-12-15
1HEARTLAND RESOURCES, INC.13,2501984-03-02
EOF // multi-state drilling data platform // 2026