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Inventor

Ningya Cheng

Inventor
Sugar Land, TX, US

Overview

1→
Patents
2000
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

G01Vprimary
G01VGeophysics100%
PatentTitleYear
6,098,021'Estimating formation stress using borehole monopole and cross-dipole acoustic measurements: theory and method'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to BAKER HUGHES INC (1)· patent assignee history
2000Based in Sugar Land, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC12000
Locations
LocationPatentsSpan
Sugar Land, Texas, US12000