第39参第3期 2017年5月
石油钻采工艺
OIL DRILLING & PRODUCTION TECHNOLOGY
文章编号：10007393(2017）03029805
DOI:10.13639/j.odpt.2017.03.008
延长油田丛式井网加密水平井直井段
交碰风险量化分析杨全枝1.2张晓斌3吴迪+刘云？郑自刚
1.陕西延长石油（集团)有限责任公司研究院；2.延长沟田股份有限公司勘探开发技术研究中心：
3.中国石油长庆油田分公司期探开发研究院；4.中国石油天然气勘探开发公司
Vol. 39 No. 3 May 2017
引用格式：杨全枝，张晚斌，吴迪，刘云，郑自附.延长油田丛式并网加密水平井直并段交碰风险量化分析[J】.石油钻采工艺,2017,39(3)：298-302
摘要：为经济有效开发低渗造、低丰度油藏，延长油田利用旧并场部署加密水平并进行调整开发，直井段丛式并网密集，交理风险严峻。为准确地评价直并段交理风险，从实钻数据出发分析了延长油田水平并直并段轨逐水平位移偏差，并采用数学统计的方法对加密并直并段交硅风险进行量化，结果表明，直井段实钻轨迹水平位移偏差在同一井深下符合正态分布，随并深的增加，其均值和方差逐渐增大，正态分布形态越来题扁平，并眼位置不确定性越来越大。
查4003平34井应用结果承明，基于概
率统计与可信度计算的直并段交硅风险定量分析，可较准确地判断直并段并眼硅控风险，为丛式并网加密水平井直并段轨逆设计提供了新的参考。
关键词：加密并网；直并段；水平位移偏差；并眼交碰概率；延长油田
中图分类号：TE243
文献标识码：A
Quantitative analysis on collision risk of vertical hole section of infill horizontal well in
cluster well pattern in Yanchang Oilfield
YANG Quanzhi', ZHANG Xiaobin', WU Dit, LIU Yun', ZHENG Zigang
1. Research Instifute, Shaanxi Yanchang Petrolerm (Groap) Co. Lad., Xi'an 710075, Shaanxi, China:
2. Exploration and Development Technology Research Cenfer, Yanchang Oifield Company Limited, Yan'an 716000, Shaixi, China; 3. Research Institarte of Exploration and Developmen, PetroChina Changging Oijfeld Company, Xi'an 710021, Shaanxi, China;
4. China Narional Oil and Gas Exploration and Development Corporation, Bejing 100034, China
Citation: YANG Quanzhi, ZHANG Xiaobin, WU Di, LIU Yun, ZHENG Zigang. Quantitative analysis on collision risk of verti-cal hole section of infill horizontal well in cluster well pattemn in Yanchang Oilfield [ J ] . Oil Drilling & Production Technology, 2017, 39(3): 298302
Abstract: To develop low-permeability and low-abundance oil reservoirs economically and efficiently in Yanchang Oilfield, infill horizontal wells are arranged at the old well sites. Thus, the vertical hole sections in the cluster patterm are dense, so the collision risk is rigorous. To evaluate the collision risk of vertical hole sections accurately, the horizontal displacement deviation of vertical hole sections in horizontal wells in Yanchang Oilfield was analyzed based on actual drilling data. Then, the collision risk of vertical hole sections in infill wells was quantified by means of mathematical statistics. It is indicated that the horizontal displacement deviation of actual trajec tory of vertical hole section in the same hole depth is in accordance with the normal distribution. And with the deepening of the hole, its mean and variance increase gradually, the shape of normal distribution becomes flatter and flatter, and the hole location become more
基金项目：国家"863"计刘重，点项目“陪相页岩气水平并钻究弃工艺技术攻关（编号：2013AA064501)：陕西延长石油集团公司科技
90）
第一作者：杨全技(1986-),2013年毕业于中国石沟大学华东)油气并工程专业，主要从事油气并井下力学、信息与控制方面研究，工程师。
通讯地址：(710075)陕西有西安市科技二路75号廷长.石油研究院。E-mail；sunsun_1212@126.com
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