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Inventor

Stephane Boulard

Inventor
Le Plessis Robinson, FR

Overview

4→
Patents
2011–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere44%
C04BLime, magnesia33%
E21BEarth or rock drilling22%
PatentTitleYear
9,790,420'Compositions and methods for cleaning subterranean boreholes'20178,991,497'Well treatment'20158,381,813'Methods for servicing subterranean wells'20137,896,964'Cement retarder'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2017Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (4)· patent assignee history
2011Based in Choisy le Roi, FR· patent location history
2013–2017Patents assigned to BOULARD STEPHANE (3)· patent assignee history
2013Patents assigned to DIAZ NELSON (1)· patent assignee history
2013–2015Based in Le Plessis Robinson, FR· patent location history
2015–2017Patents assigned to LEE JESSE C (2)· patent assignee history
2015Patents assigned to KEFI SLAHEDDINE (1)· patent assignee history
2017Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP42011–2017
BOULARD STEPHANEself32013–2017
LEE JESSE C22015–2017
DIAZ NELSON12013
KEFI SLAHEDDINE12015
Locations
LocationPatentsSpan
Le Plessis Robinson, FR22013–2015
Houston, Texas, US12017
Choisy le Roi, FR12011