COWDEN, E.F. -D-

Oil // district 10 // lease#25055

op: PETROLEUM TECHNICAL SERVICES CO.

fields: COWDEN, SOUTH

cum_oil

75k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2016-12

-- production_history

cum_oil: 75,247 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

441 BBL/mo

Di (annual)

25.4%

b-factor

0.0

EUR

20,784 BBL

R-squared

0.499

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CUERVO, INC.14,2502016-05-20
3CUERVO, INC.24,2502016-03-21
2CUERVO, INC.14,5001999-10-18
1PETROLEUM TECHNICAL SERVICES CO.14,2001978-03-27
EOF // multi-state drilling data platform // 2026