CARTER BROTHERS

Oil // district 13 // lease#745

op: SPH DEVELOPMENT, LLC

cum_oil

54k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

1993-09

-- production_history

cum_oil: 54,138 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

420 BBL/mo

Di (annual)

13.0%

b-factor

0.4

EUR

55,171 BBL

R-squared

0.912

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18SPH DEVELOPMENT, LLC12,0002014-12-05
16CASSITY COMPANY11,6001993-05-03
1142-009-82925--------
1242-009-30371--------
1342-009-30372--------
1442-009-30468--------
1542-009-30652--------
842-009-82924--------
EOF // multi-state drilling data platform // 2026