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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
10047587
Issue Dt:
08/14/2018
Application #:
14434702
Filing Dt:
04/09/2015
Publication #:
20150284621
Pub Dt:
10/08/2015
PCT #:
US1365941
Inventors:
Flavio H. Marchesini, Rafael Menezes De Oliveira, Merouane Khammar et al
Title:
METHODS FOR PRODUCING FLUID INVASION RESISTANT CEMENT SLURRIES
Assignment: 1
Reel/Frame:
031559/0121Recorded: 11/07/2013Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
MARCHESINI, FLAVIO H.
Exec Dt:
10/24/2013
DE OLIVEIRA, RAFAEL MENEZES
Exec Dt:
10/24/2013
KHAMMAR, MEROUANE
Exec Dt:
11/04/2013
SANTRA, ASHOK K.
Exec Dt:
10/22/2013
PAIVA, MARIA DAS DORES M.
Exec Dt:
11/06/2013
Assignee:
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Correspondent:
CAREY C. JORDAN
MCDERMOTT WILL & EMERY LLP
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 2
Reel/Frame:
035373/0648Recorded: 04/09/2015Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
MARCHESINI, FLAVIO H.
Exec Dt:
10/24/2013
DE OLIVEIRA, RAFAEL MENEZES
Exec Dt:
10/24/2013
KHAMMAR, MEROUANE
Exec Dt:
11/04/2013
SANTRA, ASHOK K.
Exec Dt:
10/22/2013
PAIVA, MARIA DAS DORES M.
Exec Dt:
11/06/2013
Assignee:
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Correspondent:
MCDERMOTT WILL & EMERY LLP
THE MCDERMOTT BUILDING
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 3
Reel/Frame:
045390/0638Recorded: 02/22/2018Pages: 10
Conveyance:
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR AND ASSIGNEE PREVIOUSLY RECORDED AT REEL: 042800 FRAME: 0341. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignor:
HALLIBURTON ENERGY SERVICES, INC.
Exec Dt:
02/02/2017
Assignees:
PETROBRAS
AVENIDA REPUBLICA DO CHILE, NO. 65
RIO DE JANEIRO, BRAZIL
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Correspondent:
MCDERMOTT WILL & EMERY LLP
4 PARK PLAZA, SUITE 1700
IRVINE, CA 92614-2559
Assignment: 4
Reel/Frame:
042800/0341Recorded: 06/23/2017Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
PETROLEO BRASILEIRO S.A. - PETROBRAS
Exec Dt:
06/12/2017
Assignee:
HALLIBURTON SERVICOS LTDA
RUA DE ASSEMBLEIA NO. 66
FLOORS, 3RD, 6TH, 7TH AND 8TH
RIO DE JANEIRO, BRAZIL 20011-000
Correspondent:
MCDERMOTT WILL & EMERY LLP
4 PARK PLAZA, SUITE 1700
IRVINE, CA 92614-2559

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