Halliburton Energy Services, Inc.

Steve Crain

Bruce Carl Lucas

Glenn Howard Weightman

Rebecca A McConnell

Rebecca Mcconnell

Methods and systems for using force measurements to determine the amount of material in a container and/or the rate at which material is discharged from a container are disclosed. A container for storing a desired material is positioned so that the center of gravity of the container shifts horizontally with changes in level of the material in the container. A plurality of load sensors are symmetrically arranged at a base of the container and are used to monitor the amount of materials in the container.

Methods and systems for determining process variables using location of center of gravity

Methods and systems for accurate measurement of forces to determine the amount of materials in a container are disclosed. A weighing assembly is disclosed which includes a base plate, a plurality of bearing plates coupled to the base plate and a plurality of load sensors. Each of the plurality of load sensors is coupled to one of the plurality of bearing plates. A mounting block is symmetrically supported by the plurality of load sensors and a current measurement device measures a sum of currents output from the plurality of load sensors.

Method and system for weighting material storage units based on current output from one or more load sensors

Apparatus and methods for determining the instability of equipment by measuring the reaction forces at different points at the base of the equipment are disclosed. A plurality of load sensors are symmetrically arranged at the base of the equipment. A Cartesian coordinate system is then imposed on the base of the equipment with the center of the base being the origin of the Cartesian coordinate system. The X-axis and the Y-axis of the Cartesian coordinate system are arranged to define a plane corresponding to the base of the equipment. Each load sensor is then designated with Cartesian coordinates and the reaction force at each load sensor is determined. An overall instability factor for the equipment is then determined from the Cartesian coordinates of each load sensor and the reaction force at that load sensor.

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Duncan, OK, United States of America

Steve Crain