METHOD AND APPARATUS FOR CREATING SEISMIC GEOSTEERING PROFILE

A method for creating a seismic geosteering profile, comprising: sequentially acquiring planar coordinate points of a vertical section and a build-up section of a horizontal well according to a drilling trajectory (101); on the basis of a preset seismic grid spacing, adjusting the positions and quan...

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Bibliographische Detailangaben
Hauptverfasser:	CHANG, Deshuang, ZHU, Douxing, YANG, Xin, JIANG, Zhongcheng, LI, Hongge, SHEN, Ya
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method for creating a seismic geosteering profile, comprising: sequentially acquiring planar coordinate points of a vertical section and a build-up section of a horizontal well according to a drilling trajectory (101); on the basis of a preset seismic grid spacing, adjusting the positions and quantity of the planar coordinate points to obtain adjusted planar coordinate points (102); obtaining a target curve on the basis of the adjusted planar coordinate points and a preset drilling target, and determining intersection points between the target curve and lines of a seismic grid (103); determining a target seismic trace in the seismic grid on the basis of the intersection points (104); and obtaining a seismic geosteering profile on the basis of the target seismic trace (105). Also provided is an apparatus for creating a seismic geosteering profile. The present invention has the advantages of reducing the amount of calculation and the calculation time, rapidly and accurately obtaining an apparent stratigraphic