KOESTER

Oil // district 13 // lease#21783

op: ADA EXPLORATION

cum_oil

21k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

2008-04

-- production_history

cum_oil: 20,623 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

247 BBL/mo

Di (annual)

114.1%

b-factor

1.2

EUR

13,335 BBL

R-squared

0.817

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21ADA EXPLORATION12,0001999-12-27
19ADA EXPLORATION12,0001983-08-17
17AADA EXPLORATION12,0001983-07-08
12AADA EXPLORATION12,0001982-12-23
13AADA EXPLORATION12,0001982-12-23
8AADA EXPLORATION12,0001982-08-24
2AADA EXPLORATION11,2001981-12-07
3AADA EXPLORATION11,2001981-12-07
1AADA EXPLORATION11,2001981-12-04
EOF // data source: Texas Railroad Commission // 2026