文件名称：稳定器叶片对携岩的影响
文件大小：1.68MB
文件格式：PDF
更新时间：2016-09-13 15:40:44
稳定器，携岩
Effective cuttings transport means the better hole cleaning in drilling operations, which can increase the rate of penetration (ROP), and avoid pipe sticking, higher drag and torque problems. This paper aimed to analyze cuttings transport efficiency affected by stabilizer’s blade shape which is often overlooked in field drilling. For this purpose, Eulerian multiphase flow model was used to simulate influence of different blade type stabilizers on cuttings transport efficiency under rotating coordinates. Numerical simulations indicate that straight blade stabilizer is obviously superior to helical blade for cuttings transport efficiency in vertical wells using the same hydraulic parameter and rotating speed. Field tests were conducted in some medium-deep wells of Daqing Oil Field, and the results showed that repeated fragmentation of cuttings, bit balling and pipe sticking problems were improved, and ROP was obviously raised.