RATLIFF 28

Oil · District 7C · Lease #18577

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

2.1M BBL

Cum Gas

10.9M MCF

casinghead

Wells

15

Production

2013-06 — 2026-04

Peak Month

2017-06

Production History

Cum Oil: 2,098,945 BBL Cum Gas: 10,927,147 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

88,316 BBL/mo

Di (annual)

183.2%

b-factor

0.8

EUR

1,908,718 BBL

R-squared

0.977

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2013-06 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 92 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4215HPIONEER NATURAL RES. USA, INC.19,5672016-12-02
4413HPIONEER NATURAL RES. USA, INC.110,0692016-12-02
4415HPIONEER NATURAL RES. USA, INC.19,9942016-12-02
4213HPIONEER NATURAL RES. USA, INC.19,5672016-12-01
4403HPIONEER NATURAL RES. USA, INC.19,9002015-10-26
4401HPIONEER NATURAL RES. USA, INC.19,9002015-10-21
1HBPIONEER NATURAL RES. USA, INC.29,6002014-07-08
1PIONEER NATURAL RES. USA, INC.213,0002014-04-26
2PIONEER NATURAL RES. USA, INC.213,0002014-04-12
6PIONEER NATURAL RES. USA, INC.211,8002013-12-18
5PIONEER NATURAL RES. USA, INC.211,8002013-12-17
8PIONEER NATURAL RES. USA, INC.211,8002013-11-23
7PIONEER NATURAL RES. USA, INC.211,8002013-11-20
4PIONEER NATURAL RES. USA, INC.211,8002013-11-19
3PIONEER NATURAL RES. USA, INC.213,0002013-06-13