BIG MINERAL CREEK/BARNES SD/UNIT

Oil // district 13 // lease#12557

op: VENOCO, INC.

cum_oil

267k BBL

cum_gas

0 MCF

wells

40

production

1993-01 — 2008-03

peak_month

1993-08

-- production_history

cum_oil: 267,260 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,459 BBL/mo

Di (annual)

11.0%

b-factor

2.0

EUR

1,197,173 BBL

R-squared

0.561

type

hyperbolic

-- wells (40)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
210SHELL WESTERN E&P INC.37,1022019-07-03
217SHELL WESTERN E&P INC.410,8122017-11-02
237JETTA OPERATING COMPANY, INC.15,4232017-10-20
223VENOCO, INC.37,1002014-10-03
4WSJETTA OPERATING COMPANY, INC.210,5812014-07-22
241SHELL WESTERN E&P INC.38,0002013-08-12
248SHELL WESTERN E&P INC.37,1001994-09-16
239WSHELL WESTERN E&P INC.17,3391993-11-18
242WSHELL WESTERN E&P INC.27,4171988-10-10
249SHELL WESTERN E&P INC.17,3301988-09-30
236SHELL WESTERN E&P INC.25,3001988-09-27
208WSHELL WESTERN E&P INC.15,3811988-05-12
247WSHELL WESTERN E&P INC.17,0451986-10-28
231WSHELL WESTERN E&P INC.15,4001986-06-30
212WSHELL WESTERN E&P INC.15,3501986-06-09
246WSHELL WESTERN E&P INC.17,9781984-01-27
215WSHELL OIL COMPANY17,2601983-02-25
200USHELL OIL COMPANY16,9151982-07-14
200WSHELL OIL COMPANY16,9151982-07-14
224WSHELL OIL COMPANY15,3501982-04-13
243WSHELL OIL COMPANY15,2201979-03-20
1D42-181-01810--------
20242-181-00847--------
203W42-181-01865--------
204W42-181-01870--------
205W42-181-00164--------
20642-181-01228--------
214W42-181-00165--------
216W42-181-00479--------
21842-181-01813--------
219W42-181-00628--------
22042-181-01830--------
222W42-181-01234--------
22742-181-00167--------
228W42-181-02055--------
229W42-181-01699--------
230W42-181-01697--------
232W42-181-01683--------
234W42-181-30037--------
23542-181-30153--------
EOF // data source: Texas Railroad Commission // 2026