UMPHRESS, C. F. ET AL

Oil · District 08 · Lease #31873

Operator: MERIT ENERGY COMPANY

Cum Oil

42k BBL

Cum Gas

1.6M MCF

casinghead

Wells

4

Production

1993-01 — 2012-12

Peak Month

1993-01

Production History

Cum Oil: 42,145 BBL Cum Gas: 1,578,367 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

354 BBL/mo

Di (annual)

10.3%

b-factor

0.0

EUR

41,135 BBL

R-squared

0.410

type

exponential

Operator History (from monthly production reports)

2013-01 — 2013-05 MERIT ENERGY COMPANY 5 mo
2006-05 — 2012-12 CIMAREX ENERGY CO. OF COLORADO 80 mo
1997-05 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 108 mo
1996-08 — 1997-04 BURLINGTON RESOURCES OIL&GAS CO. 9 mo
1993-01 — 1996-07 MERIDIAN OIL INC. 43 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3MERIT ENERGY COMPANY29,4362009-03-23
1RRIG EXPLORATION LLC29,5002009-03-13
4CIMAREX ENERGY CO. OF COLORADO19,4001989-05-15
2MERIT ENERGY COMPANY19,4001988-08-03