SAND HILLS TUBB UNIT

Oil // district 10 // lease#20865

op: VANGUARD PERMIAN, LLC

cum_oil

2.1M BBL

cum_gas

0 MCF

wells

80

production

1993-01 — 2026-03

peak_month

2004-10

-- production_history

cum_oil: 2,141,906 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

13,597 BBL/mo

Di (annual)

15.7%

b-factor

0.0

EUR

1,040,076 BBL

R-squared

0.885

type

exponential

-- wells (80)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
86SLANT OPERATING, LLC25,2002023-09-11
59SLANT OPERATING, LLC25,0002023-08-11
66SLANT OPERATING, LLC25,0002023-07-19
103SLANT OPERATING, LLC25,1782023-06-29
18SLANT OPERATING, LLC14,8102023-03-17
92SLANT OPERATING, LLC45,6002023-02-24
51SLANT OPERATING, LLC25,0002023-02-14
85SLANT OPERATING, LLC25,2002023-01-27
80SLANT OPERATING, LLC25,2002023-01-09
56SLANT OPERATING, LLC35,0002022-12-13
81SLANT OPERATING, LLC25,2002022-11-21
7SLANT OPERATING, LLC14,5932022-11-18
0091SLANT OPERATING, LLC35,1002022-10-13
91SLANT OPERATING, LLC35,1002022-10-13
60SLANT OPERATING, LLC46,4002022-09-30
9ENCORE OPERATING, L.P.14,6912005-08-15
107ENCORE OPERATING, L.P.15,1002005-03-30
102ENCORE OPERATING, L.P.15,1002005-03-29
93ENCORE OPERATING, L.P.25,2352005-03-29
46MOBIL PRODUCING TX. & N.M. INC.24,8502005-02-04
29ENCORE OPERATING, L.P.14,6002004-09-07
22ENCORE OPERATING, L.P.24,8002004-09-03
42WMOBIL PRODUCING TX. & N.M. INC.34,9002004-08-30
84ENCORE OPERATING, L.P.15,2002004-04-26
87ENCORE OPERATING, L.P.15,2002004-04-26
88ENCORE OPERATING, L.P.15,2002004-04-26
90ENCORE OPERATING, L.P.15,2002004-04-22
82ENCORE OPERATING, L.P.15,2002004-04-21
68PURE RESOURCES, L.P.14,8002001-02-09
69PURE RESOURCES, L.P.14,8002001-01-10
70PURE RESOURCES, L.P.14,8002001-01-10
71PURE RESOURCES, L.P.24,8002001-01-10
72PURE RESOURCES, L.P.14,8002001-01-10
73PURE RESOURCES, L.P.14,8002001-01-10
67WTITAN RESOURCES I, INC.14,8001998-11-18
65MOBIL PRODUCING TX. & N.M. INC.15,0001995-07-03
41MOBIL PRODUCING TX. & N.M. INC.14,4001995-04-19
52MOBIL PRODUCING TX. & N.M. INC.25,0001994-10-14
48MOBIL PRODUCING TX. & N.M. INC.25,0001994-10-10
49MOBIL PRODUCING TX. & N.M. INC.45,0001991-10-30
53MOBIL PRODUCING TX. & N.M. INC.25,0001989-10-02
10WMOBIL PRODUCING TX. & N.M. INC.14,7001987-07-24
57MOBIL PRODUCING TX. & N.M. INC.15,0001987-03-20
58MOBIL PRODUCING TX. & N.M. INC.15,0001987-03-20
4MOBIL PRODUCING TX. & N.M. INC.15,0001984-06-21
54MOBIL PRODUCING TX. & N.M. INC.15,0001983-08-01
55MOBIL PRODUCING TX. & N.M. INC.15,0001983-08-01
55WMOBIL PRODUCING TX. & N.M. INC.15,0001983-08-01
50MOBIL PRODUCING TX. & N.M. INC.15,0001983-01-21
47MOBIL PRODUCING TX. & N.M. INC.15,0001982-04-15
1142-103-03587--------
1242-103-03611--------
1342-103-03629--------
15W42-103-03590--------
1642-103-03591--------
17W42-103-03595--------
19W42-103-03593--------
1L42-103-03581--------
2042-103-03592--------
21W42-103-03601--------
23W42-103-03598--------
2442-103-03600--------
25W42-103-03871--------
2642-103-03625--------
27W42-103-03626--------
2842-103-03628--------
2W42-103-03583--------
342-103-03586--------
3042-103-82540--------
31W42-103-03602--------
3242-103-03603--------
3342-103-82542--------
3442-103-03870--------
35W42-103-03604--------
37W42-103-30058--------
3842-103-03617--------
4042-103-30169--------
43W42-103-30280--------
44W42-103-30356--------
842-103-03585--------
EOF // data source: Texas Railroad Commission // 2026