HORTON, R P NO. 18

Oil · District 01 · Lease #13933

Operator: WELHAUSEN OPERATING COMPANY, LP

Fields: A.W.P. (OLMOS)

Cum Oil

49k BBL

Cum Gas

638k MCF

casinghead

Wells

3

Production

1994-10 — 2026-02

Peak Month

2009-02

Production History

Cum Oil: 48,652 BBL Cum Gas: 637,701 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

860 BBL/mo

Di (annual)

38.1%

b-factor

0.1

EUR

30,037 BBL

R-squared

0.599

type

hyperbolic

Operator History (from monthly production reports)

2020-05 — 2026-07 GTG OPERATING, LLC 75 mo

2015-04 — 2020-04 CLEARLY PETROLEUM, LLC 61 mo

2013-06 — 2015-03 WAPITI OPERATING, LLC 22 mo

2012-01 — 2013-05 LAYLINE PETROLEUM I, LLC 17 mo

2001-11 — 2011-12 WELHAUSEN OPERATING COMPANY, LP 122 mo

1994-10 — 2001-10 WELHAUSEN OPERATING CO., INC. 85 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1803	42-311-34117	GTG OPERATING, LLC	1	12,000	2008-12-01
1802	42-311-33827	GTG OPERATING, LLC	1	10,000	2005-07-06
18	42-311-32228	XTO ENERGY INC.	1	9,800	1985-01-23