US 2024/0210171 A1 · TOWED PLATFORM CURVED LINE SURVEYING USING FIBER OPTIC GYROSCOPIC SENSING

Abstract

Disclosed herein are systems and apparatuses for curved line surveying using a towed sensing apparatus with fiber optic gyroscopic heading determination. A method can include obtaining a plurality of surveying data inputs from one or more sensors of a towed sensing apparatus, the plurality of surveying data inputs obtained during a subsurface deployment of the towed sensing apparatus along a curved survey path and indicative of a seafloor measurement. A plurality of heading measurements indicative of an angular direction of the towed sensing apparatus can be obtained, wherein the plurality of heading measurements and the plurality of surveying data inputs are measured during the subsurface deployment. The plurality of surveying data inputs can be correlated with the plurality of heading measurements. A composite image of an area of seafloor along the curved survey path can be generated based on the plurality of surveying data inputs and the correlated heading measurements.

Claims21

Dependent claims

A method comprising:

obtaining a plurality of surveying data inputs from one or more sensors of a towed sensing apparatus, wherein the plurality of surveying data inputs is obtained during a subsurface deployment of the towed sensing apparatus along a curved survey path and are indicative of a seafloor measurement;
obtaining a plurality of heading measurements, each heading measurement of the plurality of heading measurements indicative of an angular direction of the towed sensing apparatus,
wherein the plurality of heading measurements and the plurality of surveying data inputs are measured during the subsurface deployment of the towed sensing apparatus;
correlating the plurality of surveying data inputs with the plurality of heading measurements;
and
generating a composite image of an area of seafloor along the curved survey path, based on the plurality of surveying data inputs and the correlated heading measurements.

3 more elements

A system comprising:

at least one processor;
and
a memory storing instructions which when executed by the at least one processor, causes the at least one processor to:
obtain a plurality of surveying data inputs from one or more sensors of a towed sensing apparatus, wherein the plurality of surveying data inputs is obtained during a subsurface deployment of the towed sensing apparatus along a curved survey path and are indicative of a seafloor measurement;
obtain a plurality of heading measurements, each heading measurement of the plurality of heading measurements indicative of an angular direction of the towed sensing apparatus, wherein the plurality of heading measurements and the plurality of surveying data inputs are measured during the subsurface deployment of the towed sensing apparatus;
correlate the plurality of surveying data inputs with the plurality of heading measurements;
and
generate a composite image of an area of seafloor along the curved survey path, based on the plurality of surveying data inputs and the correlated heading measurements.

5 more elements

Dependencies are inferred from the claim text.

Towed platform curved line surveying using fiber optic gyroscopic sensing

Life of this patent

Towed platform curved line surveying using fiber optic gyroscopic sensing

Life of this patent

Abstract

Claims21