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1. US20180003607 - Multi-surface viscosity measurement

Office United States of America
Application Number 15543045
Application Date 17.03.2015
Publication Number 20180003607
Publication Date 04.01.2018
Grant Number 10495558
Grant Date 03.12.2019
Publication Kind B2
IPC
G01N 11/14
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
11Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties
10by moving a body within the material
14by using rotary bodies, e.g. vane
E21B 49/08
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
08Obtaining fluid samples or testing fluids, in boreholes or wells
CPC
E21B 49/08
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
49Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
08Obtaining fluid samples or testing fluids, in boreholes or wells
G01N 11/14
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
11Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
10by moving a body within the material
14by using rotary bodies, e.g. vane
E21B 2049/085
Applicants Halliburton Energy Services, Inc.
Inventors Bhargav Gajji
Ketan Chimanlal Bhaidasna
Richard Gary Morgan
Subrahmanyam Surya Venkata Sista
Agents Tenley Krueger
Baker Botts L.L.P.
Title
(EN) Multi-surface viscosity measurement
Abstract
(EN)

Systems and methods for measuring the viscosity of a fluid may comprise a rotor cup having an inner chamber; a first bob rotatably disposed within a first region of the inner chamber; and a second bob rotatably disposed within a second region of the inner chamber, wherein the second bob rotates relative to the first bob based on a difference in viscosity of fluid in the first region and the second region.

Also published as
GB1711451.3