COWDEN -13-

Oil // district 10 // lease#31983

op: CITATION OIL & GAS CORP.

cum_oil

597k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1995-10

-- production_history

cum_oil: 597,187 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,974 BBL/mo

Di (annual)

7.4%

b-factor

0.6

EUR

651,537 BBL

R-squared

0.911

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5GSAGE ENERGY COMPANY26,0001991-08-07
8GSAGE ENERGY COMPANY16,0001991-07-15
5GRSAGE ENERGY COMPANY16,0001991-04-23
7GSAGE ENERGY COMPANY16,0001990-06-20
6GSAGE ENERGY COMPANY16,0001990-01-18
4GSAGE ENERGY COMPANY16,0001989-04-10
3GSAGE ENERGY COMPANY16,0001988-12-23
1SAGE ENERGY COMPANY29,5001988-11-01
2SAGE ENERGY COMPANY29,5001988-08-19
EOF // multi-state drilling data platform // 2026