COX, X. B. "A"

Oil · District 7C · Lease #14086

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

46k BBL

Cum Gas

333k MCF

casinghead

Wells

8

Production

1995-11 — 2020-05

Peak Month

2013-05

Production History

Cum Oil: 45,821 BBL Cum Gas: 333,426 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

206 BBL/mo

Di (annual)

4.5%

b-factor

0.0

EUR

48,938 BBL

R-squared

0.319

type

exponential

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-11 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 22 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10PIONEER NATURAL RES. USA INC.18,6001988-09-26
11PIONEER NATURAL RES. USA INC.18,6001988-09-26
3PIONEER NATURAL RES. USA INC.28,6001988-09-12
4PIONEER NATURAL RES. USA INC.18,6001988-09-12
9PIONEER NATURAL RES. USA INC.18,6001988-09-12
142-173-00926PIONEER NATURAL RES. USA INC.------
5W42-173-00862PIONEER NATURAL RES. USA INC.------
642-173-00863PIONEER NATURAL RES. USA INC.------