Study On The Limits Of Layered Fracturing Technology In Sandy Conglomerate Reservoirs In The Baikouquan Formation Of Triassic,Ma 18 Well Area

The Triassic Baikouquan Formation in the Ma 18 Well Field of the Xinjiang Oilfield has a huge reserve of glutenite oil reserves and is a key development block of CNPC.In the previous design and construction of stratified fracturing,the stratum is usually divided by 3m thickness for stratified fracturing,but due to the uneven longitudinal distribution of reservoir barriers,and the longitudinal extension of artificial fractures in glutenite reservoirs is affected by geology and engineering.Due to the influence of many factors,there is a situation where the layers are open during fracturing and the effect of the reservoir reform is affected.This paper analyzes the geological characteristics of glutenite oil reservoirs in the Ma 18 well area in view of the pressure collapse conditions in the area.Combined with laboratory experiments and logging data,a dynamic calculation model for rock mechanics parameters and in-situ stress in this area has been established.The construction data were compared with the crack patterns simulated by Meyer fracturing simulation software,and the effects of geological and engineering factors on the crack height were primarily quantitatively analyzed through numerical simulation methods.Select the main controlling factors for high pressure cracks and use this as the basis to establish the boundary map of the layered fracturing construction.The on-site construction data and numerical simulation results of the two wells are compared with the plate.The results are consistent with each other,which proves that the plate has certain accuracy and can be used as the basis for fracturing design.