Method and device for determining deflation pressure of oil well casing

• Main Author: KONG HONGFANG
• Format: Patent
• Language: Chinese; English
• Published: 22.01.2021
• Subjects: CALCULATING; COMPUTING; COUNTING; 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

The invention discloses a method and device for determining the deflation pressure of an oil well casing, and belongs to the technical field of oil field oil extraction. The embodiment of the invention provides a method for determining the deflation pressure of an oil well casing. The model training is carried out through the sample casing pressure and the sample liquid production capacity, a regression equation is obtained, the relation between the casing pressure and the liquid production capacity is learned through the regression equation in a training process so that the target casing pressure corresponding to the target liquid production capacity can be directly determined by means of the regression equation, then the time for determining the casing pressure is shortened, and the efficiency for determining the casing pressure is improved. 本申请公开了一种油井套管放气压力的确定方法和装置，属于油田采油技术领域。本申请实施例提供了一种油井套管放气压力的确定方法，通过样本套管压力和样本产液量进行模型训练，得到回归方程，由于回归方程在训练过程中学习了套管压力和产液量之间的关系，因此，借助回归方程就能直接确定出目标产液量对应的目标套管压力，从而缩短了确定套管压力的时间，提高了确