HOLZGRAF (SA) D

Oil · District 7C · Lease #19843

Operator: DISCOVERY OPERATING, INC.

Cum Oil

226k BBL

Cum Gas

837k MCF

casinghead

Wells

1

Production

2017-12 — 2020-12

Peak Month

2018-05

Production History

Cum Oil: 225,943 BBL Cum Gas: 837,197 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,445 BBL/mo

Di (annual)

215.4%

b-factor

0.4

EUR

198,772 BBL

R-squared

0.891

type

hyperbolic

Operator History (from monthly production reports)

2017-12 — 2021-03 DISCOVERY OPERATING, INC. 40 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3971WBDISCOVERY OPERATING, INC.310,5002021-01-13