ROCKER B "18"

Oil · District 7C · Lease #14671

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

49k BBL

Cum Gas

403k MCF

casinghead

Wells

4

Production

1997-09 — 2015-10

Peak Month

1998-02

Production History

Cum Oil: 49,392 BBL Cum Gas: 403,221 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,296 BBL/mo

Di (annual)

48.0%

b-factor

0.3

EUR

45,913 BBL

R-squared

0.722

type

hyperbolic

Operator History (from monthly production reports)

2008-01 — 2024-04 PIONEER NATURAL RES. USA, INC. 196 mo
2006-05 — 2007-12 CIMAREX ENERGY CO. OF COLORADO 20 mo
2004-11 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 18 mo
1999-10 — 2004-10 NADEL AND GUSSMAN PERMIAN,L.L.C. 61 mo
1998-04 — 1999-09 CHESAPEAKE OPERATING, INC. 18 mo
1997-09 — 1998-03 HUGOTON ENERGY CORPORATION 7 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.18,2002006-01-17
3PIONEER NATURAL RES. USA INC.17,2001997-10-16
1PIONEER NATURAL RES. USA INC.17,2001997-08-05
2PIONEER NATURAL RES. USA, INC.27,5001997-07-22