XB COX 20 "B"

Oil · District 7C · Lease #17317

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

51k BBL

Cum Gas

121k MCF

casinghead

Wells

1

Production

2010-04 — 2021-08

Peak Month

2010-06

Production History

Cum Oil: 51,370 BBL Cum Gas: 121,364 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,686 BBL/mo

Di (annual)

67.8%

b-factor

0.4

EUR

48,842 BBL

R-squared

0.537

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2010-04 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 130 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.211,0002009-12-29