SAWYER

Oil · District 8A · Lease #1050

Operator: QUIEN SABE OPERATING, LLC

Cum Oil

123k BBL

Cum Gas

36 MCF

casinghead

Wells

13

Production

1993-01 — 2026-03

Peak Month

2007-03

Production History

Cum Oil: 123,389 BBL Cum Gas: 36 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,565 BBL/mo

Di (annual)

30.9%

b-factor

0.4

EUR

95,956 BBL

R-squared

0.928

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 ONAROLL OPERATING LLC 62 mo
2019-12 — 2021-05 QUIEN SABE OPERATING, LLC 18 mo
2006-02 — 2019-11 NEFF, MICKEY OIL COMPANY INC. 166 mo
2002-12 — 2006-01 CEDAR BEND OIL COMPANY 38 mo
2000-10 — 2002-11 BLUESTAR ENERGY, INC. 26 mo
1996-11 — 2000-09 OMNI OPERATING COMPANY(A) 47 mo
1993-01 — 1996-10 MURPHY & ASSOCIATES, INC. 46 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13ONAROLL OPERATING LLC13,5002011-07-14
12ONAROLL OPERATING LLC13,5002006-09-15
11ONAROLL OPERATING LLC13,3001982-10-29
10ONAROLL OPERATING LLC23,3661980-06-02
5ONAROLL OPERATING LLC13,2241980-03-20
1ONAROLL OPERATING LLC13,2241979-02-28
3ONAROLL OPERATING LLC13,2301978-11-15
4ONAROLL OPERATING LLC13,2301977-11-30
7ONAROLL OPERATING LLC13,2001977-08-24
9ONAROLL OPERATING LLC13,3601977-08-08
242-415-02001ONAROLL OPERATING LLC------
642-415-02005ONAROLL OPERATING LLC------
842-415-02007ONAROLL OPERATING LLC------