DRUMMOND

Oil · District 7B · Lease #30593

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

39k BBL

Cum Gas

73k MCF

casinghead

Wells

4

Production

2010-10 — 2026-04

Peak Month

2024-09

Production History

Cum Oil: 38,574 BBL Cum Gas: 72,856 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

730 BBL/mo

Di (annual)

29.5%

b-factor

0.2

EUR

36,942 BBL

R-squared

0.635

type

hyperbolic

Operator History (from monthly production reports)

2011-01 — 2026-07 SOJOURNER DRILLING CORPORATION 187 mo
2010-10 — 2010-12 R & R WELL SERVICE, INC. 3 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOJOURNER DRILLING CORPORATION15,3002021-05-27
3SOJOURNER DRILLING CORPORATION16,0002015-11-20
2SOJOURNER DRILLING CORPORATION36,0002012-10-10
1SOJOURNER DRILLING CORPORATION15,5002009-11-20