WALNUT BEND FIELD UNIT NO. 1

Oil // district 13 // lease#11967

op: VASTAR RESOURCES, INC.

cum_oil

1.5M BBL

cum_gas

0 MCF

wells

57

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 1,466,420 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,744 BBL/mo

Di (annual)

7.0%

b-factor

1.2

EUR

1,825,128 BBL

R-squared

0.825

type

hyperbolic

-- wells (57)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2033SYDRI OPERATING, LLC35,5022022-07-21
181MERIT ENERGY COMPANY15,5192015-06-22
179MERIT ENERGY COMPANY15,6202013-12-04
13BLS PRODUCTION CO., INC.45,8202013-01-09
81BLS PRODUCTION CO., INC.14,0002011-05-04
132CIMAREX ENERGY CO. OF COLORADO15,5832009-08-27
124CIMAREX ENERGY CO. OF COLORADO15,6692009-07-24
125GRUY PETROLEUM MANAGEMENT CO.36,5002009-07-23
52CIMAREX ENERGY CO. OF COLORADO15,6372009-07-23
1516CIMAREX ENERGY CO. OF COLORADO15,6632008-10-02
1920 LCIMAREX ENERGY CO. OF COLORADO25,4512008-09-12
204CIMAREX ENERGY CO. OF COLORADO15,4752008-09-05
131CIMAREX ENERGY CO. OF COLORADO25,5072008-09-03
1526CIMAREX ENERGY CO. OF COLORADO15,4002008-06-12
111CIMAREX ENERGY CO. OF COLORADO15,7412007-05-03
2041CIMAREX ENERGY CO. OF COLORADO35,6002006-08-17
1582GRUY PETROLEUM MANAGEMENT CO.35,6002006-04-28
51GRUY PETROLEUM MANAGEMENT CO.15,6002004-07-08
2010GRUY PETROLEUM MANAGEMENT CO.45,4542003-06-16
1527GRUY PETROLEUM MANAGEMENT CO.45,5972003-05-28
91GRUY PETROLEUM MANAGEMENT CO.15,6002003-02-13
101GRUY PETROLEUM MANAGEMENT CO.15,6002002-12-12
1581GRUY PETROLEUM MANAGEMENT CO.45,5002001-09-11
2018VASTAR RESOURCES, INC.15,4991997-07-21
203VASTAR RESOURCES, INC.15,4101997-05-20
171VASTAR RESOURCES, INC.15,5251997-05-06
1567VASTAR RESOURCES, INC.15,6001996-05-31
122VASTAR RESOURCES, INC.15,5551995-09-11
161VASTAR RESOURCES, INC.15,5571995-04-18
133VASTAR RESOURCES, INC.45,5901994-11-15
1515ATLANTIC RICHFIELD CO.35,6091983-09-02
1574ATLANTIC RICHFIELD CO.35,4811983-09-02
1514ARCO OIL & GAS CO.25,5911983-03-14
41ARCO OIL & GAS CO.25,6101983-03-14
1564ARCO OIL & GAS CO.15,5461982-02-27
1918ATLANTIC RICHFIELD CO.15,5781978-05-03
12142-097-01022--------
13442-097-02590--------
136 L42-097-30430--------
14242-097-82994--------
14442-097-00805--------
151742-097-83009--------
151842-097-83010--------
152942-097-83013--------
156842-097-30359--------
16242-097-02715--------
16442-097-30360--------
17242-097-83000--------
18242-097-00997--------
2142-097-01744--------
5442-097-82977--------
5542-097-30318--------
6142-097-82978--------
7142-097-82979--------
7342-097-01748--------
9242-097-01148--------
9442-097-02339--------
EOF // data source: Texas Railroad Commission // 2026