ROWLAND, J. W. ETAL

Oil · District 09 · Lease #4179

Operator: R&K OIL CO.

Cum Oil

134k BBL

Cum Gas

342 MCF

casinghead

Wells

16

Production

1993-01 — 2026-04

Peak Month

1996-04

Production History

Cum Oil: 134,093 BBL Cum Gas: 342 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

794 BBL/mo

Di (annual)

12.6%

b-factor

0.9

EUR

143,660 BBL

R-squared

0.579

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 R&K OIL CO. 403 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19R&K OIL CO.12,0001996-04-04
18R&K OIL CO.12,0001996-04-01
17R&K OIL CO.12,0001996-02-28
16R&K OIL CO.12,0001996-02-14
15R&K OIL CO.12,0001995-06-26
14R&K OIL CO.11,3001989-04-13
1142-337-05258R&K OIL CO.------
1242-337-80586R&K OIL CO.------
1342-337-30369R&K OIL CO.------
242-337-04202R&K OIL CO.------
342-337-80580R&K OIL CO.------
442-337-80581R&K OIL CO.------
642-337-80582R&K OIL CO.------
742-337-80583R&K OIL CO.------
842-337-80584R&K OIL CO.------
942-337-80585R&K OIL CO.------