< leases

GOEBEL GAS UNIT

Oil · District 02 · Lease #8172

Operator: R & B OIL COMPANY, LLC

Fields: KARON, WEST (SLICK)

Cum Oil

39k BBL

Cum Gas

33k MCF

casinghead

Wells

1

Production

1995-09 — 2025-11

Peak Month

1997-02

Production History

Cum Oil: 39,217 BBL Cum Gas: 33,295 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

473 BBL/mo

Di (annual)

16.0%

b-factor

0.0

EUR

35,334 BBL

R-squared

0.757

type

exponential

Operator History (from monthly production reports)

2016-07 — 2026-07 R & B OIL COMPANY, LLC 121 mo
2015-03 — 2016-06 FIVE-JAB, INC. 16 mo
2014-06 — 2015-02 DELCO OHEB OPERATING, L.L.C. 9 mo
2006-02 — 2014-05 DELCO OPERATING COMPANY LP 100 mo
2005-12 — 2006-01 CAMBRIAN MANAGEMENT LTD 2 mo
2001-12 — 2005-11 DOMINION OKLAHOMA TEXAS E&P, INC 48 mo
2000-07 — 2001-11 DREYFUS, LOUIS NATURAL GAS CORP 17 mo
1997-02 — 2000-06 COSTILLA ENERGY, INC. 41 mo
1995-09 — 1997-01 COSTILLA PETROLEUM CORPORATION 17 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
942-297-33914COSTILLA PETROLEUM CORPORATION38,3001996-05-03