Chayandinskoye油田先进事故调查方法与钻井工程原理在防止井下设备严重磨损中的应用

N. Abaltusov, Anton Sergeevich Ryabov, Artem Evgenevich Perunov, S. S. Rublev, S. A. Mitrokhin, Igor Yurevich Mukhachev, Roman Gennadevich Fomchenko
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引用次数: 0

摘要

察延金斯克油田产层钻井过程中,测井设备和钻井工具的异常快速磨损是其面临的紧迫挑战。一次下入的BHA稳定器磨损会导致定向钻井效率低下,并导致额外的起下钻来更换设备。钻杆磨损导致突发事件风险增加。为了防止此类事件的发生,有必要进行计划外的检查,拒绝和更换钻井工具。所有这些情况都会增加钻井时间,降低盈利能力。DD承包商的钻井优化专家与研发中心和作业者的专家共同进行了问题分析和专家评审。本文讨论了三家公司的工程师如何合作,以及事故调查和钻井工程的特定方法,从而确定导致BHA标准磨损的最关键因素,制定措施以防止未来发生类似情况,并选择替代BHA。取得的经验已成功推广到察扬丁斯科耶油田和东西伯利亚其他油田的其他井;事故调查方法和钻井工程程序在其他项目中得到了有效的应用。
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Application of the Advanced Methods to Investigate Incidents and Drilling Engineering Principles to Prevent Critical Wear-Out of Downhole Equipment When Drilling Wells in Chayandinskoye Field
The pressing challenge is the abnormally rapid wear of well logging equipment and drilling tools when drilling wells in pay zone of Chayandinskoye field. Wear-out of BHA stabilizers within one run makes directional drilling inefficient and results in additional trips to replace equipment. Wear-out of drill pipes results in emergencies risk increase. To prevent such incidents the necessity arises to conduct an unscheduled inspection, reject and replace drilling tools. All these conditions entail increase in drilling time and decline in profitability. Problem analysis and expert review was made by drilling optimization specialists from DD Contractor jointly with the experts from R&D Center and Operator Company. This paper discusses how cooperation of the engineers from three companies as well as a particular approach to incident investigation and drilling engineering made it possible to identify the most critical factors, which contribute to a standard BHA wear, to work out measures to prevent similar situations in future and select an alternative BHA. The gained experience has been successfully disseminated to the other wells in Chayandinskoye field and other fields in Eastern Siberia; and the incident investigation methods and drilling engineering procedures are effectively applied under the other projects.
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