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Operator portfolio

Every well a company runs, across every state we cover, in one download. States spell operator names differently, so we gather every spelling and you tick the ones that belong.

Untick any company that is not the one you want: a search for "Diversified" also finds unrelated firms that start the same way.

Name as the state records it	State	Active	Wells
Sigma 2 names · WV		18	23
SIGMA CORPORATION	WV	18	21
Sigma Corporation	WV	0	2
Sigma Energy 1 name · LA		14	15
SIGMA ENERGY, LLC	LA	14	15
Sigma Operating And Develop 1 name · TX		0	14
SIGMA OPER & DEVELOP CO. INC.	TX	0	14
Sigma Oil 2 names · IL, IN		0	13
Sigma Oil Company	IL	0	12
Sigma Oil Company	IN	0	1
Sigma Exploration 1 name · TX		0	8
SIGMA EXPLORATION CORP. THE	TX	0	8
Sigma Energy Resources 2 names · NY, PA		0	6
SIGMA ENERGY RESOURCES	PA	0	5
Sigma Energy Resources	NY	0	1
Sigma Production 1 name · TX		0	3
SIGMA PRODUCTION CORPORATION	TX	0	3
Sigma Oil And Gas 1 name · OK		0	1
SIGMA OIL & GAS INC	OK	0	1
Sigma Energy And Exploration 1 name · TX		0	1
SIGMA ENERGY & EXPLOR. CO LLC	TX	0	1
Sigma Properties 1 name · OH		0	1
SIGMA PROPERTIES INC	OH	0	1
Sigma Petroleum Inc 7 85 1 name · KS		0	1
Sigma Petroleum, Inc. (R) 7/85	KS	0	1