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Inventor

Qianmei Zhang

Inventor
Katy, TX, US

Overview

6→
Patents
2011–2019
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G01Vprimary
G01VGeophysics50%
E21BEarth or rock drilling20%
G06NComputing arrangements based on specific computational models10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
10,344,581Use of natural low-level radioactivity of raw materials to evaluate gravel pack and cement placement in wells201910,161,237Identification of proppant in subterranean fracture zones using a ratio of capture to inelastic gamma rays20188,849,573'Method and apparatus for neutron porosity measurement using a neural network'20148,598,510'Source compensated formation density measurement method by using a pulsed neutron generator'20138,421,004'Nuclear detectors built directly into shielding or modulating material'20138,080,781'Configuration design of detector shielding for wireline and MWD/LWD down-hole thermal neutron porosity tools'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2014Patents assigned to BAKER HUGHES INC (4)· patent assignee history
2011–2014Patents assigned to CHALITSIOS CONSTANTYN (4)· patent assignee history
2011–2014Patents assigned to ZHANG QIANMEI (4)· patent assignee history
2011–2019Based in Katy, TX, US· patent location history
2013Patents assigned to ALVAREZ EDGAR R (1)· patent assignee history
2018–2019Patents assigned to CARBO CERAMICS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC42011–2014
CHALITSIOS CONSTANTYN42011–2014
ZHANG QIANMEIself42011–2014
CARBO CERAMICS INC22018–2019
ALVAREZ EDGAR R12013
Locations
LocationPatentsSpan
Katy, Texas, US62011–2019