SPRINGER

Oil · District 08 · Lease #37359

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

165k BBL

Cum Gas

386k MCF

casinghead

Wells

5

Production

2004-05 — 2026-04

Peak Month

2015-12

Production History

Cum Oil: 164,784 BBL Cum Gas: 385,974 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,880 BBL/mo

Di (annual)

63.6%

b-factor

0.6

EUR

117,480 BBL

R-squared

0.909

type

hyperbolic

Operator History (from monthly production reports)

2004-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 267 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA, INC.111,6502015-09-22
4PIONEER NATURAL RES. USA, INC.111,7002014-12-19
3PIONEER NATURAL RES. USA, INC.111,7002014-02-21
2PIONEER NATURAL RES. USA, INC.19,9002004-07-22
1PIONEER NATURAL RES. USA, INC.29,9002004-01-12