CHEATHAM "13"

Oil · District 08 · Lease #38388

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

163k BBL

Cum Gas

376k MCF

casinghead

Wells

8

Production

2007-02 — 2021-11

Peak Month

2014-02

Production History

Cum Oil: 163,468 BBL Cum Gas: 375,627 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,903 BBL/mo

Di (annual)

38.7%

b-factor

0.1

EUR

100,047 BBL

R-squared

0.938

type

hyperbolic

Operator History (from monthly production reports)

2007-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 234 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8PIONEER NATURAL RES. USA INC.110,9502013-09-16
7PIONEER NATURAL RES. USA INC.111,5002012-12-06
6PIONEER NATURAL RES. USA INC.211,6752012-07-23
5PIONEER NATURAL RES. USA INC.110,9002010-10-29
3PIONEER NATURAL RES. USA INC.310,6002009-03-02
4PIONEER NATURAL RES. USA INC.110,3002008-03-21
2PIONEER NATURAL RES. USA INC.210,5002007-05-16
1PIONEER NATURAL RES. USA INC.29,8752006-08-30