WALNUT BEND FIELD UNIT NO. 1

Oil · District 09 · Lease #11967

Operator: VASTAR RESOURCES, INC.

Cum Oil

1.5M BBL

Cum Gas

530k MCF

casinghead

Wells

57

Production

1993-01 — 2026-04

Peak Month

2001-01

Production History

Cum Oil: 1,472,869 BBL Cum Gas: 529,622 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,756 BBL/mo

Di (annual)

6.8%

b-factor

1.1

EUR

1,814,923 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

2021-07 — 2026-07 SYDRI OPERATING, LLC 61 mo
2020-12 — 2021-06 TEAM OPERATING, L.L.C. 7 mo
2013-01 — 2020-11 MERIT ENERGY COMPANY 95 mo
2006-05 — 2012-12 CIMAREX ENERGY CO. OF COLORADO 80 mo
1999-06 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 83 mo
1994-03 — 1999-05 VASTAR RESOURCES, INC. 63 mo
1993-01 — 1994-02 ARCO OIL & GAS CO. 14 mo

Wells (57)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2033SYDRI OPERATING, LLC35,5022022-07-21
181SYDRI OPERATING, LLC15,5192015-06-22
179SYDRI OPERATING, LLC15,6202013-12-04
13SYDRI OPERATING, LLC45,8202013-01-09
81SYDRI OPERATING, LLC14,0002011-05-04
132SYDRI OPERATING, LLC15,5832009-08-27
124SYDRI OPERATING, LLC15,6692009-07-24
125SYDRI OPERATING, LLC36,5002009-07-23
52SYDRI OPERATING, LLC15,6372009-07-23
1516SYDRI OPERATING, LLC15,6632008-10-02
1920 LSYDRI OPERATING, LLC25,4512008-09-12
204SYDRI OPERATING, LLC15,4752008-09-05
131SYDRI OPERATING, LLC25,5072008-09-03
1526SYDRI OPERATING, LLC15,4002008-06-12
111SYDRI OPERATING, LLC15,7412007-05-03
2041SYDRI OPERATING, LLC35,6002006-08-17
1582SYDRI OPERATING, LLC35,6002006-04-28
51SYDRI OPERATING, LLC15,6002004-07-08
2010SYDRI OPERATING, LLC45,4542003-06-16
1527SYDRI OPERATING, LLC45,5972003-05-28
91SYDRI OPERATING, LLC15,6002003-02-13
101SYDRI OPERATING, LLC15,6002002-12-12
1581SYDRI OPERATING, LLC45,5002001-09-11
2018SYDRI OPERATING, LLC15,4991997-07-21
203SYDRI OPERATING, LLC15,4101997-05-20
171SYDRI OPERATING, LLC15,5251997-05-06
1567SYDRI OPERATING, LLC15,6001996-05-31
122SYDRI OPERATING, LLC15,5551995-09-11
161SYDRI OPERATING, LLC15,5571995-04-18
133SYDRI OPERATING, LLC45,5901994-11-15
1515SYDRI OPERATING, LLC35,6091983-09-02
1574SYDRI OPERATING, LLC35,4811983-09-02
1514SYDRI OPERATING, LLC25,5911983-03-14
41SYDRI OPERATING, LLC25,6101983-03-14
1564SYDRI OPERATING, LLC15,5461982-02-27
1918SYDRI OPERATING, LLC15,5781978-05-03
12142-097-01022SYDRI OPERATING, LLC------
13442-097-02590SYDRI OPERATING, LLC------
136 L42-097-30430SYDRI OPERATING, LLC------
14242-097-82994SYDRI OPERATING, LLC------
14442-097-00805SYDRI OPERATING, LLC------
151742-097-83009SYDRI OPERATING, LLC------
151842-097-83010SYDRI OPERATING, LLC------
152942-097-83013SYDRI OPERATING, LLC------
156842-097-30359SYDRI OPERATING, LLC------
16242-097-02715SYDRI OPERATING, LLC------
16442-097-30360SYDRI OPERATING, LLC------
17242-097-83000SYDRI OPERATING, LLC------
18242-097-00997SYDRI OPERATING, LLC------
2142-097-01744SYDRI OPERATING, LLC------
5442-097-82977SYDRI OPERATING, LLC------
5542-097-30318SYDRI OPERATING, LLC------
6142-097-82978SYDRI OPERATING, LLC------
7142-097-82979SYDRI OPERATING, LLC------
7342-097-01748SYDRI OPERATING, LLC------
9242-097-01148SYDRI OPERATING, LLC------
9442-097-02339SYDRI OPERATING, LLC------