< leases

ECHOLS "9"

Oil · District 08 · Lease #41906

Operator: THREE RIVERS OPERATING CO II LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

52k BBL

Cum Gas

59k MCF

casinghead

Wells

2

Production

2011-10 — 2026-04

Peak Month

2013-08

Production History

Cum Oil: 51,693 BBL Cum Gas: 58,558 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,252 BBL/mo

Di (annual)

80.6%

b-factor

0.8

EUR

54,403 BBL

R-squared

0.663

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 LAGUNA TEXAS RESOURCES, LLC 10 mo
2020-04 — 2025-09 EOG RESOURCES, INC. 66 mo
2016-01 — 2020-03 THOMPSON, J. CLEO 51 mo
2014-12 — 2015-12 OXY USA INC. 13 mo
2014-02 — 2014-11 THREE RIVERS OPERATING CO II LLC 10 mo
2011-10 — 2014-01 PIONEER NATURAL RES. USA, INC. 28 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-115-33585LAGUNA TEXAS RESOURCES, LLC212,3802013-05-13
142-115-33383LAGUNA TEXAS RESOURCES, LLC111,4502011-03-25