MABEN CISCO UNIT

Oil · District 8A · Lease #68530

Operator: SOJOURNER DRILLING CORPORATION

Fields: MABEN (CISCO)

Cum Oil

801k BBL

Cum Gas

221k MCF

casinghead

Wells

20

Production

2003-03 — 2026-04

Peak Month

2003-03

Production History

Cum Oil: 801,124 BBL Cum Gas: 221,221 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,285 BBL/mo

Di (annual)

10.3%

b-factor

0.0

EUR

729,992 BBL

R-squared

0.697

type

exponential

Operator History (from monthly production reports)

2003-03 — 2026-07 SOJOURNER DRILLING CORPORATION 281 mo

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
601SOJOURNER DRILLING CORPORATION15,8002001-07-30
401SOJOURNER DRILLING CORPORATION15,8002000-11-17
204SOJOURNER DRILLING CORPORATION26,5001998-04-24
501SOJOURNER DRILLING CORPORATION15,8001998-02-27
306SOJOURNER DRILLING CORPORATION25,9001996-05-16
203SOJOURNER DRILLING CORPORATION16,0001995-05-31
103SOJOURNER DRILLING CORPORATION25,9001995-04-17
305SOJOURNER DRILLING CORPORATION15,9001995-04-17
304SOJOURNER DRILLING CORPORATION15,9001994-01-11
803SOJOURNER DRILLING CORPORATION15,9501992-09-11
102SOJOURNER DRILLING CORPORATION17,5001991-01-07
101SOJOURNER DRILLING CORPORATION16,0001990-08-29
303SOJOURNER DRILLING CORPORATION16,0001990-06-11
702SOJOURNER DRILLING CORPORATION16,5001990-05-04
901SOJOURNER DRILLING CORPORATION26,5001990-02-07
701SOJOURNER DRILLING CORPORATION25,9001989-12-08
801SOJOURNER DRILLING CORPORATION27,3001989-10-12
302SOJOURNER DRILLING CORPORATION16,0001989-09-01
201SOJOURNER DRILLING CORPORATION26,0001989-07-26
301SOJOURNER DRILLING CORPORATION37,9001989-02-14