SHOTWELL-ROBINSON

Oil · District 7B · Lease #27318

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

338k BBL

Cum Gas

0 MCF

Wells

7

Production

1994-10 — 2025-07

Peak Month

1996-03

Production History

Cum Oil: 338,314 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,365 BBL/mo

Di (annual)

40.4%

b-factor

0.3

EUR

225,443 BBL

R-squared

0.899

type

hyperbolic

Operator History (from monthly production reports)

2006-04 — 2026-07 SOJOURNER DRILLING CORPORATION 244 mo
1994-10 — 2006-03 BARBEE, INC. 138 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5SOJOURNER DRILLING CORPORATION22,3002021-07-09
9SOJOURNER DRILLING CORPORATION12,3001996-03-29
7SOJOURNER DRILLING CORPORATION12,3001996-01-17
6SOJOURNER DRILLING CORPORATION12,3001995-10-06
4SOJOURNER DRILLING CORPORATION12,3001995-10-03
3SOJOURNER DRILLING CORPORATION12,3001995-04-07
1SOJOURNER DRILLING CORPORATION12,3001994-07-18