HALFF ESTATE

Oil · District 7C · Lease #8899

Operator: SLEDGE, H. G., INC.

Cum Oil

32k BBL

Cum Gas

220k MCF

casinghead

Wells

2

Production

1993-01 — 2008-07

Peak Month

1993-05

Production History

Cum Oil: 31,880 BBL Cum Gas: 219,565 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

219 BBL/mo

Di (annual)

15.5%

b-factor

0.0

EUR

16,842 BBL

R-squared

0.517

type

exponential

Operator History (from monthly production reports)

1993-01 — 2016-11 SLEDGE, H. G., INC. 287 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SLEDGE H. G. INC.411,6302016-07-15
2SLEDGE H. G. INC.111,7001983-08-31