< leases

MCMURTREY

Oil · District 7C · Lease #13039

Operator: MARSHALL & WINSTON, INC.

Fields: LONESOME DOVE II (GOEN)

Cum Oil

96k BBL

Cum Gas

70k MCF

casinghead

Wells

8

Production

1993-01 — 2007-11

Peak Month

1993-01

Production History

Cum Oil: 96,156 BBL Cum Gas: 69,636 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,151 BBL/mo

Di (annual)

110.6%

b-factor

0.5

EUR

86,972 BBL

R-squared

0.740

type

hyperbolic

Operator History (from monthly production reports)

2019-11 — 2026-07 HELLIFINO OPERATING, LLC 81 mo
1993-01 — 2019-10 MARSHALL & WINSTON, INC. 322 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1942-095-31494MARSHALL & WINSTON, INC.23,8002018-10-26
1542-095-31275MARSHALL & WINSTON, INC.24,0002018-10-08
1642-095-31322MARSHALL & WINSTON, INC.23,9002018-10-08
1842-095-31440MARSHALL & WINSTON, INC.23,8502018-08-15
2142-095-31552MARSHALL & WINSTON, INC.23,8502018-08-15
1442-095-31276MARSHALL & WINSTON, INC.23,8501993-06-03
2042-095-31502HELLIFINO OPERATING LLC23,8501992-09-15
1742-095-31389HELLIFINO OPERATING LLC13,8501991-09-13