Ultra-deep well trajectory optimization design method based on geological engineering integration

• Main Authors: DI ZHIXIN, BAO HONGGANG, ZHANG ZHILIN, HU ZHAOQIAN, GE XUEQIN, LI XUEJIAO, HAN SHENGQUAN, HE FENFEN, HAO XIAOMIN, XIE JINPING
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; DETECTING MASSES OR OBJECTS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ELECTRIC DIGITAL DATA PROCESSING; FIXED CONSTRUCTIONS; GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; MEASURING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PHYSICS; TESTING

The invention discloses an ultra-deep well trajectory optimization design method based on geological engineering integration, and the method comprises the steps: 1, carrying out the reservoir prediction and comprehensive evaluation technology, and carrying out the combined optimization of ultra-deep well targets; 2, the reservoir top surface stress field is predicted and analyzed, the prediction precision is improved, and a reliable basis is provided for horizontal well trajectory design; 3, selecting a corresponding fracture detection method for different scales of drilled fractures of the permian system, the voluntary system and the Ordovician system, predicting the orientation and the trend of the fractures, depicting and distributing the distribution rule of a fracture zone, and effectively avoiding the drilling engineering risk; and 4, predicting the formation pressure and the formation temperature, and analyzing the influence of the formation pressure and the formation temperature on the drilling proces