ASTIN "A"

Oil // district 8 // lease#28594

op: TEXAS PHARCHEM INC.

cum_oil

15k BBL

cum_gas

0 MCF

wells

2

production

1999-04 — 2026-03

peak_month

1999-05

-- production_history

cum_oil: 14,808 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

233 BBL/mo

Di (annual)

32.5%

b-factor

0.3

EUR

12,023 BBL

R-squared

0.777

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3D. A. B. OIL SERVICE, INC.13,1002000-12-04
1D. A. B. OIL SERVICE, INC.13,0001998-09-28
EOF // data source: Texas Railroad Commission // 2026