«Automation and Informatization of the fuel and energy complex»

Comparative analysis of modern solutions for measuring the depth of the drilling string penetration by MWD and LWD logging processes

UDC: 622.24:550.832
DOI: -

Authors:

¹ "AMK Horizon" Scientific and Production Company, Oktyabrsky, Russia
² Ufa State Petroleum Technological University, Ufa, Russia
³ Ufa University of Science and Technology, Ufa, Russia

Keywords: MWD system, LWD system, logging on drilling pipes, geophysical well studies, depth of drill string penetration, depth sensor, winch shaft rotation angle, accelerometer

Annotation:

One of the tasks when operating MWD and LWD systems is to provide them by means for measuring the depth of drilling string's penetration into the wellbore. The existing methods and designs of depth sensors do not meet modern requirements. Therefore, the problem of such equipment selection, development and further advancing is currently relevant. The research objective is to identify and comparatively analyze contemporary solutions proposed for depth measurement during MWD and LWD logging operations, which would reveal their design specific features, advantages, and disadvantages, find the most suitable option, and understand promising directions in this field’s engineering. The study resulted in revealing the fact that the most promising method among current systems for measuring the drilling string's depth penetration during MWD and LWD logging operations involves using MEMS accelerometers. The operational characteristics of the existing equipment of this type have been analyzed, along with its limitations and an assessment of the technical feasibility of overcoming these constraints.

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