CALK, E. W.

Oil · District 01 · Lease #10893

Operator: CALK, ROGER D.

Fields: SOMERSET

Cum Oil

34k BBL

Cum Gas

19 MCF

casinghead

Wells

17

Production

1993-01 — 2026-03

Peak Month

2008-02

Production History

Cum Oil: 33,582 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2015-09 — 2026-07 CALK OPERATING, LLC 131 mo
2005-07 — 2015-08 CALK OIL COMPANY 122 mo
1998-04 — 2005-06 CALK, ROGER D. 87 mo
1993-04 — 1998-03 CALK, J. M. OPERATING CO. 60 mo
1993-01 — 1993-03 ALCO OIL COMPANY 3 mo

Wells (17)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12CALK OPERATING, LLC11,6002012-09-27
15CALK OPERATING, LLC11,6002012-09-27
13CALK OPERATING, LLC11,2001984-04-27
16CALK OPERATING, LLC11,2001984-04-27
14CALK OPERATING, LLC11,2001984-04-04
17CALK OPERATING, LLC11,2001984-04-04
10CALK OPERATING, LLC11,8001983-07-08
11CALK OPERATING, LLC11,8001983-07-08
9CALK OPERATING, LLC11,8001983-04-18
8CALK OPERATING, LLC11,3001983-02-01
2CALK OPERATING, LLC11,3001982-12-31
4CALK OPERATING, LLC11,3001982-12-31
5CALK OPERATING, LLC11,3001982-12-31
6CALK OPERATING, LLC11,3001982-12-31
7CALK OPERATING, LLC11,3001982-12-21
1CALK OPERATING, LLC11,3001982-12-17
3CALK OPERATING, LLC11,3001982-12-17