THE CIRCLE 8 RANCH UNIT D

Oil // district 14 // lease#9701

op: DDD EXPLORATION, INC.

cum_oil

208k BBL

cum_gas

0 MCF

wells

4

production

2019-10 — 2026-03

peak_month

2021-11

-- production_history

cum_oil: 207,985 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,330 BBL/mo

Di (annual)

24.8%

b-factor

0.0

EUR

209,286 BBL

R-squared

0.728

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DDD EXPLORATION, INC.19,0002021-06-17
3DDD EXPLORATION, INC.16,5002020-11-17
2DDD EXPLORATION, INC.16,5002019-12-18
1DDD EXPLORATION, INC.16,5002019-06-10
EOF // data source: Texas Railroad Commission // 2026