CITY OF ABILENE

Oil · District 7B · Lease #31402

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

198k BBL

Cum Gas

34k MCF

casinghead

Wells

3

Production

2013-10 — 2026-04

Peak Month

2015-07

Production History

Cum Oil: 198,240 BBL Cum Gas: 34,420 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,550 BBL/mo

Di (annual)

25.0%

b-factor

0.1

EUR

135,947 BBL

R-squared

0.899

type

hyperbolic

Operator History (from monthly production reports)

2013-10 — 2026-07 SOJOURNER DRILLING CORPORATION 154 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOJOURNER DRILLING CORPORATION12,0002015-10-20
3SOJOURNER DRILLING CORPORATION12,0002014-07-23
2SOJOURNER DRILLING CORPORATION12,0002013-01-28