MASTEN

Oil · District 8A · Lease #65143

Operator: ROGERS, S. K. OIL, INC.

Fields: LEVELLAND

Cum Oil

71k BBL

Cum Gas

44k MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

1993-04

Production History

Cum Oil: 71,392 BBL Cum Gas: 43,996 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

788 BBL/mo

Di (annual)

13.0%

b-factor

0.0

EUR

72,828 BBL

R-squared

0.960

type

exponential

Operator History (from monthly production reports)

2014-07 — 2026-07 JOPLIN OIL CO., INC. 145 mo
1993-01 — 2014-06 ROGERS, S. K. OIL, INC. 258 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8JOPLIN OIL CO., INC.25,1001987-07-15
7JOPLIN OIL CO., INC.15,1001987-03-26
6JOPLIN OIL CO., INC.15,1001986-10-27
5JOPLIN OIL CO., INC.15,1001986-01-21
4JOPLIN OIL CO., INC.15,1001985-10-15
3JOPLIN OIL CO., INC.15,1001985-06-27
2JOPLIN OIL CO., INC.15,1001985-03-04
1JOPLIN OIL CO., INC.15,1001984-10-23