WOLF, D. L.

Oil · District 09 · Lease #187

Operator: CHEK OIL CO., LLC

Cum Oil

17k BBL

Cum Gas

21 MCF

casinghead

Wells

6

Production

1993-01 — 2025-10

Peak Month

1999-04

Production History

Cum Oil: 17,166 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

910 BBL/mo

Di (annual)

498.0%

b-factor

0.7

EUR

6,392 BBL

R-squared

0.467

type

hyperbolic

Operator History (from monthly production reports)

2019-06 — 2026-07 CHEK OIL CO., LLC 86 mo
1993-01 — 2019-05 CHEK OIL CO. 317 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CHEK OIL CO. LLC11,4501993-04-02
2CHEK OIL CO. LLC11,6001988-02-23
5WCHEK OIL CO. LLC11,6001988-01-14
3CHEK OIL CO. LLC11,6001987-08-11
4CHEK OIL CO. LLC11,4001987-03-16
142-009-16079CHEK OIL CO. LLC------