[HTML][HTML] Gravity predictions in data-missing areas using machine learning methods

Y Liu, Y Zhang, Q Pang, S Liu, S Li, X Shi, S Bian… - Remote Sensing, 2024 - mdpi.com
Gravity data, comprising a key foundational dataset, are crucial for various research,
including land subsidence monitoring, geological exploration, and navigational positioning …

Research on 3D focusing inversion of gravity gradient tensor data based on a conjugate gradient algorithm

XH GAO, DN HUANG - Chinese Journal of Geophysics, 2017 - en.dzkx.org
Gravity gradient data can be used to resolve the earth shallow structure in more detail and
study the distribution of mineral resources more accurately compared with traditional gravity …

The study on the joint Euler deconvolution method of full tensor gravity data

WY ZHOU, GQ MA, ZL HOU, PB QIN… - Chinese Journal of …, 2017 - en.dzkx.org
Abstract Gravitational Full Tensor Gradient (FTG) data acquired on airborne and marine
platforms measure five independent tensor components that collectively describe a total …

A fast imaging method for airborne gravity gradient data based on tensor invariants

S Zhou, Y Wei, Y Wu, J Jiao, P Lu, D Jiang - Applied Geophysics, 2022 - Springer
Airborne gravity gradient data contain additional short-wavelength information about the
buried geological bodies. This study develops a fast interpretation method based on the …

3D gravity inversion in frequency domain based on mixed L1+L2 norm

GD ZHAO, XB WANG, JX LIU, SX LIANG… - Chinese Journal of …, 2024 - en.dzkx.org
Abstract 3D gravity inversion has been widely used in mineral resources exploration and
research on deep density structures. However, traditional 3D gravity inversion methods in …

3D gravity inversion based on Cauchy distribution constraint and fast proximal objective function optimization

GM PENG, Z LIU, HZ YU, KJ XU… - Chinese Journal of …, 2018 - en.dzkx.org
The choice of an optimization algorithm affects computational efficiency of 3D gravity data
inversion to a great extent and thereby constrains its application in the industry. In the …

A 3D reflection ray-tracing method based on linear traveltime perturbation interpolation

T Li, J Liu, J Zhang - Geophysics, 2019 - pubs.geoscienceworld.org
The linear traveltime interpolation (LTI) method, one of the common methods to calculate the
wavefront traveltimes and the raypaths in complex media, is based on the assumption that …

Localization of geologic bodies using the curvature of the equipotential surface in gravity gradiometry

SG HU, G LI, JT TANG, ZL HOU… - Chinese Journal of …, 2024 - en.dzkx.org
For the study of the curvature of gravity gradient tensor, previous work mainly focuses on
their interpretation and edge detection, and rarely involves utilizing it for source parameter …

Research on Formation Pressure Prediction Method for Ultra-Deep Tight Sandstone Based on Collocated Cokriging

Q Wei, Y Lin, G Gao, Z Gui, Z Wu, J Liu - Processes, 2023 - mdpi.com
Compared to conventional reservoirs, the prediction of pressure in ultra-deep tight
sandstone formations is difficult. The prediction of seismic pressure is more challenging than …

Joint inversion of gravity and gravity gradient data based on Cokriging method with the threshold constraint

XH GAO, ZF ZENG, SY SUN, P YU - Chinese Journal of Geophysics, 2019 - en.dzkx.org
The conventional Cokriging inversion of gravity and gravity gradient data has the
advantages of good anti-noise performance and being easy to add prior information. And …