HARTFIELD, LOLA

Oil · District 01 · Lease #2860

Operator: J & M PRODUCTION

Fields: LA VERNIA

Cum Oil

2k BBL

Cum Gas

20 MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1993-11

Production History

Cum Oil: 1,853 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10 BBL/mo

Di (annual)

5.3%

b-factor

0.0

EUR

1,943 BBL

R-squared

0.405

type

exponential

Operator History (from monthly production reports)

2004-03 — 2026-07 DONOCO OIL COMPANY 269 mo
1993-01 — 2004-02 J & M PRODUCTION 134 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ADONOCO OIL COMPANY11,8001985-04-30
1ADONOCO OIL COMPANY11,8001985-02-14
142-187-80583DONOCO OIL COMPANY------
242-187-80584DONOCO OIL COMPANY------