YATES, W. M.

Oil · District 08 · Lease #39271

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

175k BBL

Cum Gas

223k MCF

casinghead

Wells

4

Production

2007-11 — 2026-04

Peak Month

2009-08

Production History

Cum Oil: 175,379 BBL Cum Gas: 223,097 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,875 BBL/mo

Di (annual)

47.2%

b-factor

1.3

EUR

193,927 BBL

R-squared

0.860

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-11 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 206 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RDIAMONDBACK E&P LLC215,0002018-03-28
1RDIAMONDBACK E&P LLC215,0002017-11-20
4DIAMONDBACK E&P LLC112,0002011-05-10
3DIAMONDBACK E&P LLC112,0002008-09-19