HEFTE, MARY TOM ET AL

Oil · District 04 · Lease #11969

Operator: HARPER HEFTE, INC.

Cum Oil

18k BBL

Cum Gas

72k MCF

casinghead

Wells

1

Production

1993-01 — 1998-06

Peak Month

1993-12

Production History

Cum Oil: 18,050 BBL Cum Gas: 72,473 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

299 BBL/mo

Di (annual)

21.1%

b-factor

0.0

EUR

16,918 BBL

R-squared

0.322

type

exponential

Operator History (from monthly production reports)

1993-01 — 1998-12 HARPER HEFTE, INC. 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HARPER HEFTE INC.26,8001998-08-20