CALVIN-STARNES UNIT

Oil // district 11 // lease#64676

op: VISION OIL AND GAS LLC

fields: LEVELLAND

cum_oil

1.5M BBL

cum_gas

0 MCF

wells

131

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 1,484,060 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

12,541 BBL/mo

Di (annual)

9.7%

b-factor

0.0

EUR

1,543,475 BBL

R-squared

0.867

type

exponential

-- wells (131)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4014	42-079-31108	MONSANTO COMPANY	2	5,200	2023-01-11
3513	42-079-30990	MONSANTO COMPANY	2	5,200	2022-05-20
4704	42-079-32026	MONSANTO OIL COMPANY	1	5,100	1984-09-11
E 11	42-079-31972	MONSANTO OIL COMPANY	1	5,100	1984-05-25
E 12	42-079-31973	MONSANTO OIL COMPANY	1	5,100	1984-05-25
E 13	42-079-31971	MONSANTO OIL COMPANY	1	5,100	1984-05-25
E 14	42-079-31974	MONSANTO OIL COMPANY	1	5,100	1984-05-25
E 10	42-079-31968	MONSANTO OIL COMPANY	1	5,100	1984-05-23
K 16	42-079-31949	MONSANTO OIL COMPANY	1	5,100	1984-05-01
L 16	42-079-31950	MONSANTO OIL COMPANY	1	5,100	1984-05-01
K 17	42-079-31850	MONSANTO OIL COMPANY	1	5,120	1983-12-09
3504	42-079-31817	MONSANTO OIL COMPANY	1	5,200	1983-09-20
J 6	42-079-31818	MONSANTO OIL COMPANY	1	5,100	1983-09-20
L 17	42-079-31816	MONSANTO OIL COMPANY	1	5,200	1983-09-20
D 12	42-079-31578	MONSANTO COMPANY	1	5,200	1982-07-27
E 9	42-079-31577	MONSANTO COMPANY	1	5,100	1982-07-27
F 9	42-079-31549	MONSANTO COMPANY	1	5,100	1982-04-13
D 14	42-079-31548	MONSANTO COMPANY	1	5,100	1982-04-12
D 11	42-079-31489	MONSANTO COMPANY	1	5,200	1981-12-17
C 13	42-079-31442	MONSANTO COMPANY	1	5,200	1981-08-10
D 13	42-079-31443	MONSANTO COMPANY	1	5,200	1981-08-10
D 9	42-079-31444	MONSANTO COMPANY	1	5,200	1981-08-10
D 10	42-079-31387	MONSANTO COMPANY	1	5,200	1981-04-22
L 13	42-079-31388	MONSANTO COMPANY	1	5,200	1981-04-22
4705	42-079-31389	MONSANTO COMPANY	2	5,200	1981-04-20
J 13	42-079-31386	MONSANTO COMPANY	1	5,125	1981-04-10
J 14	42-079-31381	MONSANTO COMPANY	1	5,200	1981-04-03
K 13	42-079-31380	MONSANTO COMPANY	1	5,145	1981-04-03
5207	42-079-31324	MONSANTO COMPANY	1	5,200	1980-12-31
4011	42-079-31283	MONSANTO COMPANY	2	5,100	1980-09-18
K 14	42-079-31250	MONSANTO COMPANY	1	5,100	1980-06-27
L 14	42-079-31264	MONSANTO COMPANY	1	5,100	1980-06-27
L 15	42-079-31249	MONSANTO COMPANY	1	5,100	1980-06-27
K 15	42-079-31251	MONSANTO COMPANY	1	5,100	1980-06-23
5309	42-079-31236	MONSANTO COMPANY	1	5,200	1980-05-20
5313	42-079-31235	MONSANTO COMPANY	1	5,200	1980-05-20
4607	42-079-31232	MONSANTO COMPANY	1	5,200	1980-05-06
5914	42-079-31192	TEXACO INC.	2	5,200	1980-04-30
5201	42-079-31214	MONSANTO COMPANY	1	5,200	1980-04-04
5205	42-079-31212	MONSANTO COMPANY	1	5,200	1980-04-04
5206	42-079-31215	MONSANTO COMPANY	1	5,200	1980-04-04
4608	42-079-31211	MONSANTO COMPANY	1	5,100	1980-04-01
5202	42-079-31203	MONSANTO COMPANY	1	5,200	1980-03-05
5209	42-079-31205	MONSANTO COMPANY	1	5,200	1980-03-05
4611	42-079-31200	MONSANTO COMPANY	1	5,100	1980-02-29
4612	42-079-31201	MONSANTO COMPANY	1	5,100	1980-02-29
5214	42-079-31202	MONSANTO COMPANY	1	5,200	1980-02-29
5102	42-079-31190	MONSANTO COMPANY	1	5,200	1980-01-28
5106	42-079-31193	MONSANTO COMPANY	1	5,200	1980-01-28
5213	42-079-31189	MONSANTO COMPANY	1	5,200	1980-01-28
5802	42-079-31188	MONSANTO COMPANY	1	5,200	1980-01-28
5910	42-079-31191	MONSANTO COMPANY	1	5,200	1980-01-28
5203	42-079-31180	MONSANTO COMPANY	1	5,200	1980-01-11
4616	42-079-31177	MONSANTO COMPANY	1	5,100	1980-01-09
5204	42-079-31178	MONSANTO COMPANY	1	5,200	1980-01-09
5801	42-079-31179	MONSANTO COMPANY	1	5,200	1980-01-09
5109	42-079-31174	MONSANTO COMPANY	1	5,200	1979-12-31
5310	42-079-31172	MONSANTO COMPANY	1	5,200	1979-12-31
5314	42-079-31173	MONSANTO COMPANY	1	5,200	1979-12-31
5101	42-079-31165	MONSANTO COMPANY	1	5,200	1979-12-04
5105	42-079-31163	MONSANTO COMPANY	1	5,200	1979-12-04
5315	42-079-31162	MONSANTO COMPANY	1	5,200	1979-12-04
5913	42-079-31164	MONSANTO COMPANY	1	5,200	1979-12-04
5316	42-079-31161	MONSANTO COMPANY	1	5,100	1979-12-03
4504	42-079-31160	MONSANTO COMPANY	1	5,100	1979-11-28
4512	42-079-31158	MONSANTO COMPANY	1	5,100	1979-11-28
4508	42-079-31145	MONSANTO COMPANY	1	5,100	1979-11-09
5211	42-079-31144	MONSANTO COMPANY	1	5,200	1979-11-08
4615	42-079-31141	MONSANTO COMPANY	1	5,100	1979-10-23
5909	42-079-31140	MONSANTO COMPANY	1	5,200	1979-10-23
5308	42-079-31138	MONSANTO COMPANY	1	5,200	1979-10-19
4503	42-079-31123	MONSANTO COMPANY	1	5,100	1979-09-27
4507	42-079-31124	MONSANTO COMPANY	1	5,100	1979-09-27
4609	42-079-31125	MONSANTO COMPANY	1	5,100	1979-09-27
5311	42-079-31127	MONSANTO COMPANY	1	5,200	1979-09-27
5312	42-079-31126	MONSANTO COMPANY	1	5,200	1979-09-27
4602	42-079-31117	MONSANTO COMPANY	1	5,200	1979-09-11
4614	42-079-31118	MONSANTO COMPANY	1	5,200	1979-09-11
4502	42-079-31113	MONSANTO COMPANY	1	5,100	1979-08-24
4506	42-079-31111	MONSANTO COMPANY	1	5,100	1979-08-24
3916	42-079-31109	MONSANTO COMPANY	1	5,200	1979-08-06
4510	42-079-31106	MONSANTO COMPANY	1	5,100	1979-08-06
4601	42-079-31107	MONSANTO COMPANY	1	5,100	1979-08-06
4613	42-079-31105	MONSANTO COMPANY	1	5,100	1979-08-06
4501	42-079-31096	MONSANTO COMPANY	1	5,100	1979-07-11
4505	42-079-31097	MONSANTO COMPANY	1	5,100	1979-07-11
4509	42-079-31095	MONSANTO COMPANY	1	5,100	1979-07-11
5303	42-079-31093	MONSANTO COMPANY	1	5,100	1979-07-05
5307	42-079-31094	MONSANTO COMPANY	1	5,100	1979-07-05
3911	42-079-31088	MONSANTO COMPANY	1	5,100	1979-06-26
4714	42-079-31087	MONSANTO COMPANY	1	5,200	1979-06-18
4016	42-079-31082	MONSANTO COMPANY	1	5,200	1979-06-05
3912	42-079-31081	MONSANTO COMPANY	1	5,200	1979-05-24
3902	42-079-31064	MONSANTO COMPANY	1	5,200	1979-05-11
3906	42-079-31065	MONSANTO COMPANY	1	5,200	1979-05-11
4015	42-079-31062	MONSANTO COMPANY	1	5,200	1979-05-10
4709	42-079-31059	MONSANTO COMPANY	1	5,200	1979-05-10
4713	42-079-31058	MONSANTO COMPANY	1	5,200	1979-05-10
3903	42-079-31046	MONSANTO COMPANY	1	5,200	1979-03-20
3904	42-079-31047	MONSANTO COMPANY	1	5,200	1979-03-20
3907	42-079-31045	MONSANTO COMPANY	1	5,200	1979-03-20
4116	42-079-31044	MONSANTO COMPANY	1	5,100	1979-02-23
4104	42-079-31031	MONSANTO COMPANY	1	5,100	1979-01-25
4114	42-079-31029	MONSANTO COMPANY	1	5,100	1979-01-25
4115	42-079-31030	MONSANTO COMPANY	1	5,100	1979-01-25
4005	42-079-31011	MONSANTO COMPANY	1	5,200	1978-10-20
3908	42-079-31004	MONSANTO COMPANY	1	5,200	1978-10-19
5902	42-079-31007	MONSANTO COMPANY	1	5,200	1978-10-19
3510	42-079-30996	MONSANTO COMPANY	1	5,200	1978-09-28
3505	42-079-30988	MONSANTO COMPANY	1	5,200	1978-09-21
3506	42-079-30989	MONSANTO COMPANY	1	5,200	1978-09-21
3509	42-079-30991	MONSANTO COMPANY	1	5,200	1978-09-21
3401	42-079-30968	MONSANTO COMPANY	1	5,100	1978-08-24
3502	42-079-30958	MONSANTO COMPANY	1	5,100	1978-08-24
3503	42-079-30970	MONSANTO COMPANY	1	5,100	1978-08-24
4002	42-079-30962	MONSANTO COMPANY	1	5,100	1978-08-24
4003	42-079-30967	MONSANTO COMPANY	1	5,100	1978-08-24
4004	42-079-30966	MONSANTO COMPANY	1	5,100	1978-08-24
4108	42-079-30960	MONSANTO COMPANY	1	5,100	1978-08-24
4109	42-079-30961	MONSANTO COMPANY	1	5,100	1978-08-24
4110	42-079-30964	MONSANTO COMPANY	1	5,100	1978-08-24
4112	42-079-30969	MONSANTO COMPANY	1	5,100	1978-08-24
4113	42-079-30959	MONSANTO COMPANY	1	5,100	1978-08-24
4001	42-079-30955	MONSANTO COMPANY	1	5,100	1978-08-14
4105	42-079-30951	MONSANTO COMPANY	1	5,200	1978-07-17
4106	42-079-30950	MONSANTO COMPANY	1	5,200	1978-07-17
4107	42-079-30952	MONSANTO COMPANY	1	5,200	1978-07-17
3501	42-079-30945	MONSANTO COMPANY	1	5,200	1978-06-19
4103	42-079-30946	MONSANTO COMPANY	1	5,200	1978-06-19
4101	42-079-30877	MONSANTO COMPANY	1	5,200	1978-03-21
4102	42-079-30876	MONSANTO COMPANY	1	5,200	1978-03-21