Method and system for calculating friction torque while drilling in real time based on intelligent correction strategy
The invention provides a while-drilling friction torque real-time calculation method and system based on an intelligent correction strategy, and the method comprises the steps: firstly loading logging data and static data used for constructing a while-drilling friction torque model, calculating a wh...
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Format | Patent |
Language | Chinese English |
Published |
30.05.2023
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Abstract | The invention provides a while-drilling friction torque real-time calculation method and system based on an intelligent correction strategy, and the method comprises the steps: firstly loading logging data and static data used for constructing a while-drilling friction torque model, calculating a whole-well axial force and torque with a ground hook load and torque as initial conditions, and drawing a whole-well axial force curve along the well depth; then, according to logging data, automatically identifying a tripping working condition, marking hook loads of different depths when the working condition is determined to meet conditions, selecting a curve with the maximum similarity according to a hook load calibration value and a Frechet distance of an axial force curve, and applying a corresponding optimal friction coefficient to correction of a while-drilling friction torque model; and finally, performing calculation by using the corrected while-drilling friction torque model. By adopting the scheme, the fri |
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AbstractList | The invention provides a while-drilling friction torque real-time calculation method and system based on an intelligent correction strategy, and the method comprises the steps: firstly loading logging data and static data used for constructing a while-drilling friction torque model, calculating a whole-well axial force and torque with a ground hook load and torque as initial conditions, and drawing a whole-well axial force curve along the well depth; then, according to logging data, automatically identifying a tripping working condition, marking hook loads of different depths when the working condition is determined to meet conditions, selecting a curve with the maximum similarity according to a hook load calibration value and a Frechet distance of an axial force curve, and applying a corresponding optimal friction coefficient to correction of a while-drilling friction torque model; and finally, performing calculation by using the corrected while-drilling friction torque model. By adopting the scheme, the fri |
Author | XU SHUGUO DUAN JINAN FU XUAN HUANG LIMING LI CHANGSHENG |
Author_xml | – fullname: LI CHANGSHENG – fullname: HUANG LIMING – fullname: DUAN JINAN – fullname: XU SHUGUO – fullname: FU XUAN |
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DocumentTitleAlternate | 一种基于智能修正策略的随钻摩扭实时计算方法及系统 |
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Snippet | The invention provides a while-drilling friction torque real-time calculation method and system based on an intelligent correction strategy, and the method... |
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SubjectTerms | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRIC DIGITAL DATA PROCESSING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR |
Title | Method and system for calculating friction torque while drilling in real time based on intelligent correction strategy |
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