Drilling Rig Operator	Spud Count
CANADIAN NATURAL RESOURCES LIMITED	75
ENCANA FCCL OIL SANDS LTD.	39
SUNCOR ENERGY INC.	34
Cenovus Energy Inc.	23
SHELL CANADA LIMITED	20
PENN WEST PETROLEUM LTD.	17
NEXEN INC.	16
ConocoPhillips Canada Resources Corp.	15
MEG ENERGY CORP.	15
STATOILHYDRO CANADA LTD.	13
ENCANA CORPORATION	12
HUSKY OIL OPERATIONS LIMITED	11
KOCH EXPLORATION CANADA G/P LTD.	11
NORTHSTAR ENERGY CORPORATION	11
ATHABASCA OIL SANDS CORP.	10
HARVEST OPERATIONS CORP.	7
MURPHY OIL COMPANY LTD.	7
PROGRESS ENERGY LTD.	7
Silverbirch Energy Corporation	6
TALISMAN ENERGY INC.	5

Drilling Rig Contractor	Spud Count
PRECISION DRILLING CORPORATION	71
Savanna Drilling Corp.	39
ENCORE CORING & DRILLING INC.	30
TRINIDAD DRILLING LTD.	25
ENSIGN DRILLING INC.	23
CHAMPION DRILLING INC.	22
KOMAT DRILLING LTD.	18
RIO BOW RESOURCES INC.	18
PREDATOR DRILLING INC.	17
Groundforce Geodrilling Solutions Inc.	16
Horizon Drilling Inc.	16
BECK DRILLING AND ENVIRONMENTAL SERVICES LTD.	15
Treo Holding L.P.	15
NABORS DRILLING LIMITED	11
TRINIDAD	10
AKITA DRILLING LTD.	9
PRECISION	9
PATTERSON-UTI DRILLING CO. CANADA	7
SDS DRILLING	7
CALIBRE DRILLING LTD.	6

Terminating Zone	Substance	Spud Count
MCMURRAY FM	CRUDE BITUMEN	181
WOODBEND GRP	CRUDE BITUMEN	27
CLEARWATER FM	CRUDE BITUMEN	15
MCMURRAY FM	NONE	14
CARDIUM SD	CRUDE OIL	12
CARDIUM FM	CRUDE OIL	10
PEKISKO FM	CRUDE OIL	10
BEAVERHILL LAKE FM	CRUDE BITUMEN	9
BEAVERHILL LAKE	CRUDE BITUMEN	7
MONTNEY FM	CRUDE OIL	6
SLAVE POINT FM	CRUDE OIL	6
VIKING FM	CRUDE OIL	6
BLUESKY FM	CRUDE BITUMEN	5
DEVONIAN SYSTEM	CRUDE BITUMEN	5
IRETON FM	CRUDE BITUMEN	5
KEG RIVER FM	CRUDE BITUMEN	5
LLOYDMINSTER MBR	CRUDE BITUMEN	5
WABISKAW MBR	CRUDE BITUMEN	5
GLAUCONITIC SS	CRUDE OIL	4
MCMURRAY FM	WATER	4