Horizontal well gas-liquid two-phase flow accumulation type modular parameter logging instrument and control system

Abstract

The invention relates to a horizontal well gas-liquid two-phase flow accumulation type modular parameter logging instrument and a control system, and belongs to the technical field of horizontal well logging. The logging instrument comprises a circuit bin, a centralizer II, a liquid inlet pipeline, a rubber current collector, a controllable rotary accumulation bin sleeved with a centralizer I and a liquid outlet pipeline which are sequentially connected; one or more groups of non-choked flow accumulation type parameter measurement modules are connected between the controllable rotary accumulation bin and the liquid outlet pipeline; the control system comprises a light emitting module, a light receiving module, a signal processing module, a multi-channel programmed switch, a motor driving circuit module, a relay module, a power supply module, a main controller module, a timer module and a visualization module. The device is used for measuring the flow and the split-phase holdup of gas-liquid two-phase flow of the shale gas horizontal well, has the advantages of being high in integration degree, easy to install and replace, free of choked flow and movable parts, reliable in measurement and the like, and solves the problem that gas phase parameters of an existing shale gas horizontal well are difficult to measure.

Description

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AI Technical Summary

Benefits of technology

This technology combines multiple components for measuring various gases or liquids flows through oil/water drilling pipes during exploration operations with different phases separated from each other. It allows for precise measurements without requiring complicated equipment such as pressure gauges or temperature probing devices at certain locations within the pipe itself. Additionally, it includes an array of lightweight detective fibers attached to a flexible tube inside the pipe wall, allowing for flexibility when installing new lines of monitoring equipment around them. Overall, this system improves efficiency and reliability while minimizing errors associated therewith.

Problems solved by technology

This patented technical solution involves developing tools that can accurately measure the amount or activity level (volume) of hydrocarbon gases produced from different sections within a single well borehole during drilling operations. These measurements help guide exploration efforts towards better resource allocation strategies and improve greenhouse effect emissions reduction measures.

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