A Model Approach to Analytically Identify Stuck Pipe and Its Mechanism in Wellbore

Boniface A. Oriji and Iribhogbe Silas Aire
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Boniface A. Oriji: University of Port Harcourt, Nigeria
Iribhogbe Silas Aire: Institute of Petroleum Studies, Port Harcourt, Nigeria

European Journal of Engineering and Technology Research, 2020, vol. 5, issue 3, 387-394

Abstract: Stuck pipe incidents translate to non-productive time. There is a need to mitigate stuck pipe incidents which can be achieved by conforming to recommended practices. Also, quick diagnosis is necessary in order to free a stuck pipe. Trial-and-error method can further complicate the situation. This work aims at diagnosing stuck pipe mechanisms and recommend practices to free a stuck pipe. spANALYZE also estimates the axial force and torque needed to free a stuck pipe caused by differential sticking. spANALYZE is a thick desktop client application developed in C# using the Microsoft Visual Studio 2019 development environment. It is an object-oriented .NET application that utilizes the Windows Presentation Foundation (WPF) architecture for its user interface. Each of the analyzers within spANALYZE were implemented generically as a list of nodes, representing the concept of a flow chart. New analyzers can easily be added simply by programmatically defining each node in the flow chart. Each node has a node identifier, a node type, node text, and the node identifiers of each answer – yes, no and restricted. spANALYZE presents the following benefits: quick and early detection of stuck pipe mechanisms, propose recommended action steps to free pipe, calculate stuck pipe depth, compute the torque and axial force needed to free a stuck string.

Keywords: Stuck pipe; Diagnosis; Differential sticking; Wellbore; Drilling; Software (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:5:y:2020:i:3:id:61845

DOI: 10.24018/ejeng.2020.5.3.1845

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