COMPRESSED TELEMETRY FOR TIME SERIES DOWNHOLE DATA USING VARIABLE SCALING AND GROUPED WORDS

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EP 3 277 924 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	15.06.2022 Bulletin 2022/24

(45)	Mention of the grant of the patent:
	04.05.2022 Bulletin 2022/18

(21)	Application number: 16773969.7

(22)	Date of filing: 29.03.2016

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International Patent Classification (IPC):

E21B 47/12^(2012.01)
E21B 47/20^(2012.01)

E21B 47/18^(2012.01)

(52)	Cooperative Patent Classification (CPC):
	E21B 47/20

(86)	International application number:
	PCT/US2016/024647

(87)	International publication number:
	WO 2016/160769 (06.10.2016 Gazette 2016/40)

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COMPRESSED TELEMETRY FOR TIME SERIES DOWNHOLE DATA USING VARIABLE SCALING AND GROUPED WORDS

KOMPRIMIERTE TELEMETRIE FÜR ZEITREIHENBOHRLOCHDATEN MIT VARIABLER SKALIERUNG UND GRUPPIERTEN WORTEN

TÉLÉMÉTRIE COMPRESSÉE POUR DONNÉES SÉRIE TEMPORELLE DE DONNÉES DE SERIES CHRONOLOGIQUES EN PROFONDEUR DE FORAGE UTILISANT UNE MISE À ÉCHELLE VARIABLE ET DES MOTS GROUPÉS

(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

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Priority:

30.03.2015 US 201514672850

(43)	Date of publication of application:
	07.02.2018 Bulletin 2018/06

(73)	Proprietor: Baker Hughes Holdings LLC
	Houston, TX 77073 (US)

(72)	Inventor:
	DUGAS, Bryan C. Houston, TX 77073 (US)

(74)	Representative: Novagraaf Group
	Chemin de l'Echo 3 1213 Onex/ Geneva 1213 Onex/ Geneva (CH)

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References cited: :

EP-A1- 2 819 412
WO-A1-2014/093735
US-A1- 2010 195 442
US-A1- 2010 322 308

WO-A1-2014/031499
GB-A- 2 370 144
US-A1- 2010 195 442
US-B1- 6 188 222

S Khalid: "Introduction to Data Compression", , 1 January 2006 (2006-01-01), XP055498966, Retrieved from the Internet: URL:http://rahilshaikh.weebly.com/uploads/ 1/1/6/3/11635894/data_compression.pdf [retrieved on 2018-08-10]

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).