HARDIN-JOHNSTON-STARNES

Oil · District 10 · Lease #821

Operator: ROMAC OIL COMPANY, INC.

Cum Oil

85k BBL

Cum Gas

251k MCF

casinghead

Wells

26

Production

1993-01 — 2026-04

Peak Month

2000-03

Production History

Cum Oil: 84,940 BBL Cum Gas: 250,845 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

459 BBL/mo

Di (annual)

55.8%

b-factor

0.9

EUR

29,997 BBL

R-squared

0.408

type

hyperbolic

Operator History (from monthly production reports)

2017-06 — 2026-07 KODIAK OPERATING, LLC 110 mo
2016-04 — 2017-05 NORTH COUNTRY ENERGY LLC 14 mo
2010-05 — 2016-03 KODIAK OPERATING, LLC 71 mo
2009-06 — 2010-04 BHB OPERATING INC. 11 mo
2003-10 — 2009-05 DRAIN OIL CO. 68 mo
2002-03 — 2003-09 ROMAC OIL COMPANY, INC. 19 mo
1999-10 — 2002-02 C & C OIL PRODUCERS 29 mo
1999-03 — 1999-09 C & C OIL CO. 7 mo
1997-05 — 1999-02 HUBER, J. M., CORPORATION 22 mo
1993-11 — 1997-04 MUSTANG OIL & GAS CORPORATION 42 mo
1993-01 — 1993-10 PANHANDLE PRODUCING COMPANY 10 mo

Wells (26)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
J 21KODIAK OPERATING, LLC13,3001990-10-16
J 19KODIAK OPERATING, LLC13,2601990-02-16
J 20KODIAK OPERATING, LLC13,2601990-02-16
J 17KODIAK OPERATING, LLC13,2501988-12-15
J 18KODIAK OPERATING, LLC13,2501988-12-15
19KODIAK OPERATING, LLC13,2501987-11-03
18KODIAK OPERATING, LLC13,2501987-10-23
J 16KODIAK OPERATING, LLC13,2501987-10-23
17KODIAK OPERATING, LLC13,2101986-11-19
16KODIAK OPERATING, LLC13,2501985-12-31
142-233-81361KODIAK OPERATING, LLC------
1142-233-81369KODIAK OPERATING, LLC------
1342-233-81370KODIAK OPERATING, LLC------
1442-233-81371KODIAK OPERATING, LLC------
342-233-81362KODIAK OPERATING, LLC------
442-233-81363KODIAK OPERATING, LLC------
542-233-81364KODIAK OPERATING, LLC------
642-233-81365KODIAK OPERATING, LLC------
742-233-81366KODIAK OPERATING, LLC------
842-233-81367KODIAK OPERATING, LLC------
942-233-01757KODIAK OPERATING, LLC------
J 1242-233-81375KODIAK OPERATING, LLC------
J 1342-233-81376KODIAK OPERATING, LLC------
J 1542-233-10270KODIAK OPERATING, LLC------
J 942-233-81373KODIAK OPERATING, LLC------
S 142-233-81386KODIAK OPERATING, LLC------