Research On Application Of Fracturing Optimization Technology In Tarawha Area

Fracturing technology is an important measure to increase the output of single wells in low-permeability oilfields to ensure stable production of the oilfields and improve economic efficiency.The reservoirs in the Tarawha area have deep reservoir burial,multiple oil layers.They have no natural production capacity and must undergo oil fracturing to obtain industrial oil flow.According to the previous fracturing process,the output is low and the efficiency is poor.This paper mainly focuses on Block Y51 of the High IV Formation in the reservoir of Tarawha.Firstly,XMAC and microseismogram log are used to select three test wells to carry out ground stress tests and rock mechanics parameters tests,to optimize the block fracturing program and lay the foundation of the single well process optimization.Then,the research on the prediction and control of fracture height,the effective support of cracks,the additional method of breakers,the sand adding method,and the low displacement extrusion technology are carried out to support the optimization scheme;finally,the G137 block is analyzed.Single-layer fracturing test and low-damage fracturing fluid test,stress stratified fracturing test of block Y51,and micro-seismic monitoring results,to explore a set of fracturing optimization technology suitable for the peripheral “three low” oilfields,the results show that through the pressure The constant optimization and numerical simulation of the cracking construction parameters have enabled the fracturing production to achieve the expected oil increase effect.