ROBBINS 1

Oil · District 7C · Lease #18089

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

35k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2012-04 — 2015-09

Peak Month

2013-08

Production History

Cum Oil: 34,905 BBL Cum Gas: 1,837,879 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,053 BBL/mo

Di (annual)

249.3%

b-factor

0.1

EUR

27,106 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2012-04 — 2016-07 PIONEER NATURAL RES. USA, INC. 52 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GHS ENERGY OPERATING, LLC211,3002013-03-06