BIG MINERAL CREEK (UV SAND) UNIT

Oil // district 13 // lease#31699

op: JETTA OPERATING COMPANY, INC.

cum_oil

540k BBL

cum_gas

0 MCF

wells

31

production

2010-09 — 2026-03

peak_month

2018-12

-- production_history

cum_oil: 539,581 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,762 BBL/mo

Di (annual)

13.0%

b-factor

0.0

EUR

438,252 BBL

R-squared

0.363

type

exponential

-- wells (31)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
501WBLS PRODUCTION CO., INC.27,0002025-08-29
509JETTA OPERATING COMPANY, INC.18,1562018-01-03
509WJETTA OPERATING COMPANY, INC.18,1562018-01-03
528SHELL WESTERN E&P INC.410,8122017-11-02
528WSHELL WESTERN E&P INC.410,8122017-11-02
522VENOCO, INC.710,5002017-10-30
537JETTA OPERATING COMPANY, INC.15,4232017-10-20
531VENOCO, INC.511,0002017-03-03
527JETTA OPERATING COMPANY, INC.29,5002017-02-10
513JETTA OPERATING COMPANY, INC.29,5002014-10-09
520VENOCO, INC.37,1002014-10-03
530SHELL WESTERN E&P INC.38,0002013-08-12
523BLACKWELL BMC, LLC110,0002007-04-27
524BLACKWELL BMC, LLC110,0002007-04-27
521VENOCO, INC.18,5001997-12-30
515SHELL WESTERN E&P INC.17,2981994-03-15
519SHELL WESTERN E&P INC.17,0501990-04-20
514WSHELL OIL COMPANY17,5501981-03-03
609SHELL OIL COMPANY17,5501981-03-03
516WSHELL OIL COMPANY17,2151980-04-10
503TEXACO INC.17,0351980-03-04
50042-181-00858--------
50242-181-00854--------
504W42-181-01873--------
50542-181-01864--------
50742-181-01842--------
50842-181-01827--------
51042-181-01859--------
51242-181-01680--------
517W42-181-01688--------
51842-181-01875--------
EOF // data source: Texas Railroad Commission // 2026