小井眼钻井液脉冲器工作性能分析及参数优化  

Performance Analysis and Parameter Optimization of Slim Hole Mud Pulser

作　　者：席文奎[1] 张轩 汪雄雄[2,3] 巴莎 李欣[2,5] 隽鸿科 耿东恒 Xi Wenkui;Zhang Xuan;Wang Xiongxiong;Ba Sha;Li Xin;Juan Hongke;Geng Dongheng(Mechanical Engineering College,Xi'an Shiyou University;National Engineering Laboratory for Exploration and Development of Low Permeability Oil&Gas Fields;Oil&Gas Technology Research Institute,PetroChina Changqing Oilfield Company;China Petroleum&Petrochemical Equipment Industry Association;CCDC Drilling&Production Technology Research Institute;Shaanxi Aerospace Times Navigation Equipment Co.,Ltd.)

机构地区：[1]西安石油大学机械工程学院 [2]低渗透油气田勘探开发国家工程实验室 [3]长庆油田分公司油气工艺研究院 [4]中国石油和石油化工设备工业协会 [5]中国石油集团川庆钻探工程有限公司钻采工程技术研究院 [6]陕西航天时代导航设备有限公司

出　　处：《石油机械》2025年第1期37-45,共9页China Petroleum Machinery

基　　金：陕西省厅市联动重点项目“高端智能姿态传感器研制”(2022GD-TSLD-22);中国石油天然气股份有限公司科技专项“靖边气田下古气藏40亿m3稳产压舱石示范工程研究”(2023YQX10303);低渗透油气田勘探开发国家工程实验室开放课题(CQYT-CQYQY-2024-JS-1506);西安石油大学研究生教育综合改革研究与实践项目(2023-X-YJG-011)。

摘　　要：连续波钻井液脉冲器是随钻测量仪器(MWD)中以强脉冲形式向地面传输数据的关键部件。为满足老井开窗侧钻作业要求,必须解决小尺寸空间下钻井液脉冲器的结构设计、水力冲蚀和信号强度问题。根据实际小井眼尺寸、悬挂钻铤及匹配MWD仪器结构尺寸,确定了小尺寸钻井液脉冲器上悬挂挂接方案及脉冲信号产生方式(连续波),完成了连续波脉冲器的结构方案及关键部件(旋转阀)的设计;以实际脉冲器设计案例(设计参数)为研究对象,并根据实际工况,采用CFD方法对脉冲器(旋转阀)的耐冲蚀性能与脉冲(钻井液压力幅值)产生能力进行了分析;通过响应曲面方法对该脉冲器案例进行了多目标参数优化。研究结果表明:设计研发的小井眼钻井液脉冲器能够满足实钻要求,且优化后脉冲器的最大冲蚀速率降低了7.41%,脉冲信号强度提高了16.24%,工作性能明显提升。设计分析及优化结果可为其在实际设计开发和应用中提供依据。As a key part in the measurement while drilling(MWD)tool,the continuous wave mud pulser transmits data to the ground through strong pulses.Considering the requirements of sidetracking in old wells,it is necessary to carefully deal with the structural design,hydraulic erosion and signal strength of mud pulser in small-sized spaces.In this paper,the hanging scheme and pulse signal generation method(for continuous wave)of the small-sized mud pulser were determined depending on the actual slim hole size,hanging drill collar and matching MWD tool structure size,and the structural scheme and key part(rotary valve)design of the continuous wave pulser were completed.Then,taking an actual pulser design case(design parameters)as an example,and considering the working conditions,the computational fluid dynamics(CFD)method was used to analyze the erosion resistance and pulse(mud pressure amplitude)generation capacity of the pulser(rotary valve).Finally,the response surface method was used to conduct multi-objective parameter optimization on the pulser case.The research results show that the developed slim hole mud pulser meets the requirements of actual drilling,and the optimized pulser exhibits significantly improved performance,with the maximum erosion rate reduced by 7.41%and the pulse signal strength enhanced by 16.24%.The design analysis and optimization research results are referential for the practical design,development and application of the slim hole mud pulser.

关 键 词：小井眼钻井 连续波钻井液脉冲器 老井开窗侧钻 脉冲信号幅值 冲蚀特性 响应曲面法 

分 类 号：TE927[石油与天然气工程—石油机械设备]