SPRINGER "A"

Oil · District 8A · Lease #68849

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

342k BBL

Cum Gas

7k MCF

casinghead

Wells

11

Production

2005-12 — 2026-04

Peak Month

2008-10

Production History

Cum Oil: 341,582 BBL Cum Gas: 7,308 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,739 BBL/mo

Di (annual)

126.2%

b-factor

0.9

EUR

198,058 BBL

R-squared

0.808

type

hyperbolic

Operator History (from monthly production reports)

2013-06 — 2026-07 SOJOURNER DRILLING CORPORATION 158 mo
2005-12 — 2013-05 GINNINGS COMPANY 90 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13WSSOJOURNER DRILLING CORPORATION16,0002022-12-05
12SOJOURNER DRILLING CORPORATION14,0002008-10-11
11SOJOURNER DRILLING CORPORATION14,0002008-08-14
10SOJOURNER DRILLING CORPORATION13,9002008-08-08
9SOJOURNER DRILLING CORPORATION13,9002008-04-21
8SOJOURNER DRILLING CORPORATION14,0002008-03-11
6SOJOURNER DRILLING CORPORATION13,9002007-06-07
4SOJOURNER DRILLING CORPORATION13,9502006-12-06
2SOJOURNER DRILLING CORPORATION13,9002006-03-31
3SOJOURNER DRILLING CORPORATION13,9002006-03-31
1SOJOURNER DRILLING CORPORATION13,9002005-10-11