WELCH G

Oil · District 10 · Lease #21567

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

62k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2017-09

Peak Month

1993-01

Production History

Cum Oil: 61,914 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

580 BBL/mo

Di (annual)

10.0%

b-factor

0.0

EUR

69,057 BBL

R-squared

0.716

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BROWN, TOM INC.19,4251985-10-01
3BROWN, TOM INC.19,3001983-08-23
142-317-30075--------
242-317-30161--------
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