METHOD AND SYSTEM FOR MEASURING NON-DRILLING TIMES AND THEIR APPLICATION TO IMPROVE DRILLING UNIT EFFICIENCY - Patent 3175081

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EP 3 175 081 A1

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(43)	Date of publication:
	07.06.2017 Bulletin 2017/23

(21)	Application number: 15826823.5

(22)	Date of filing: 30.07.2015

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International Patent Classification (IPC):

E21B 45/00^(2006.01)
E21B 47/00^(2012.01)

E21B 44/00^(2006.01)

(86)	International application number:
	PCT/US2015/042763

(87)	International publication number:
	WO 2016/019077 (04.02.2016 Gazette 2016/05)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA ME
	Designated Validation States:
	MA

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Priority:

01.08.2014 US 201462031920 P

(71)	Applicant: Nexen Data Solutions Inc.
	Sugar Land, TX 77479 (US)

(72)	Inventor:
	KING, Charles H. Austin, TX 78734 (US)

(74)	Representative: O'Neill, Michelle
	Harrison IP Westminster Business Centre 10 Great North Way Nether Poppleton York YO26 6RB York YO26 6RB (GB)

(54)	METHOD AND SYSTEM FOR MEASURING NON-DRILLING TIMES AND THEIR APPLICATION TO IMPROVE DRILLING UNIT EFFICIENCY