ROBBINS "3"

Oil · District 7C · Lease #17719

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

82k BBL

Cum Gas

591k MCF

casinghead

Wells

4

Production

2011-09 — 2022-07

Peak Month

2012-12

Production History

Cum Oil: 82,480 BBL Cum Gas: 591,387 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,417 BBL/mo

Di (annual)

26.9%

b-factor

0.2

EUR

78,462 BBL

R-squared

0.324

type

hyperbolic

Operator History (from monthly production reports)

2011-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 179 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.110,6002013-06-03
3PIONEER NATURAL RES. USA INC.110,7002012-08-09
2PIONEER NATURAL RES. USA INC.110,5002012-01-26
1PIONEER NATURAL RES. USA INC.110,5002011-08-05