UNIVERSITY (M) 13 "S"

Oil // district 9 // lease#7388

op: VALLEY RESOURCES, INC.

cum_oil

99k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1997-08

-- production_history

cum_oil: 98,812 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

429 BBL/mo

Di (annual)

5.3%

b-factor

0.0

EUR

89,775 BBL

R-squared

0.824

type

exponential

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9SAGE ENERGY COMPANY12,7001983-10-05
8SAGE ENERGY COMPANY12,7001983-09-20
7SAGE ENERGY COMPANY12,7001983-08-24
6SAGE ENERGY COMPANY12,7001983-08-09
5SAGE ENERGY COMPANY12,2001981-02-25
4SAGE ENERGY COMPANY12,2001980-12-18
3RIAL OIL CO.12,2001980-03-18
2RIAL OIL CO.12,2001977-12-08
1RIAL OIL CO.12,2001977-11-21
EOF // data source: Texas Railroad Commission // 2026