DRUMMOND

Oil // district 8 // lease#30593

op: SOJOURNER DRILLING CORPORATION

cum_oil

38k BBL

cum_gas

0 MCF

wells

4

production

2010-10 — 2026-03

peak_month

2021-10

-- production_history

cum_oil: 37,584 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

746 BBL/mo

Di (annual)

28.2%

b-factor

0.0

EUR

31,704 BBL

R-squared

0.627

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4SOJOURNER DRILLING CORPORATION15,3002021-05-27
3SOJOURNER DRILLING CORPORATION16,0002015-11-20
2SOJOURNER DRILLING CORPORATION36,0002012-10-10
1R & R WELL SERVICE, INC.15,5002009-11-20
EOF // data source: Texas Railroad Commission // 2026