SIBLEY, EFFIE POTTS

Oil · District 08 · Lease #20299

Operator: SHELL WESTERN E&P

Cum Oil

139k BBL

Cum Gas

655k MCF

casinghead

Wells

10

Production

1993-01 — 2013-10

Peak Month

2002-01

Production History

Cum Oil: 139,209 BBL Cum Gas: 655,376 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,467 BBL/mo

Di (annual)

28.0%

b-factor

0.0

EUR

62,785 BBL

R-squared

0.427

type

exponential

Operator History (from monthly production reports)

2022-02 — 2026-07 P.O.&G. OPERATING, LLC 54 mo
2021-07 — 2022-01 MECO IV HOLDCO, LLC 7 mo
2015-09 — 2021-06 MECO IV, LLC 70 mo
2012-10 — 2015-08 SHELL WESTERN E&P 35 mo
2005-01 — 2012-09 CHESAPEAKE OPERATING, INC. 93 mo
2002-11 — 2004-12 PECOS PRODUCTION COMPANY 26 mo
1993-01 — 2002-10 MOBIL PRODUCING TX. & N.M. INC. 118 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11P.O.&G. OPERATING LLC15,5001981-10-13
12P.O.&G. OPERATING LLC15,5001981-10-13
8P.O.&G. OPERATING LLC16,5001978-12-06
9P.O.&G. OPERATING LLC16,5001978-04-07
10P.O.&G. OPERATING LLC16,5001978-03-31
7P.O.&G. OPERATING LLC15,5001977-09-21
342-371-20031P.O.&G. OPERATING LLC------
442-371-10816P.O.&G. OPERATING LLC------
542-371-10817P.O.&G. OPERATING LLC------
642-371-31750P.O.&G. OPERATING LLC------