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Early monitoring device and method for hydrate blockage of deep water gas well production pipeline

A monitoring device and hydrate technology, which is applied in the pipeline system, earthwork drilling, wellbore/well components, etc., can solve problems affecting normal production operations, frequent well shutdown and shutdown, etc., to reduce consumption, reduce production costs, reduce Harmful effect

Active Publication Date: 2017-01-11
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

This method requires frequent well shutdowns and production shutdowns, affecting normal production operations

Method used

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  • Early monitoring device and method for hydrate blockage of deep water gas well production pipeline
  • Early monitoring device and method for hydrate blockage of deep water gas well production pipeline
  • Early monitoring device and method for hydrate blockage of deep water gas well production pipeline

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Embodiment Construction

[0013] Such as figure 2 As shown, the early monitoring device for hydrate blockage in the production pipeline of deep-water gas wells includes: data acquisition and transmission system, data analysis and processing system and hydrate inhibitor automatic injection system. The data acquisition and transmission system monitors the temperature and pressure parameters in the production pipeline in real time, and transmits the monitoring data to the data analysis and processing system; the data analysis and processing system stores, analyzes and processes the monitoring data, and calculates the hydrate blockage in the production pipeline Analyze, and issue early warning signals and hydrate inhibitor injection instructions; the hydrate inhibitor automatic injection system is installed on the platform, and injects hydrate inhibitors into the production pipeline according to the instructions issued by the data analysis and processing system.

[0014] The data acquisition and transmiss...

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Abstract

The invention relates to an early monitoring device for hydrate blockage of a deep water gas well production pipeline. The early monitoring device comprises a data collecting and transmitting system, a data analyzing and processing system and an automatic hydrate inhibitor injection system. The data collecting and transmitting system monitors temperature and pressure data in the production pipeline in real time and transmits the monitoring data to the data analyzing and processing system. The data analyzing and processing system stores, analyzes and processes the monitoring data, calculates and analyzes the natural gas hydrate blockage condition in the production pipeline and sends out an early warning signal and a hydrate inhibitor injection instruction. The automatic hydrate inhibitor injection system is arranged on a platform and injects hydrate inhibitor into the production pipeline according to the instruction sent by the data analyzing and processing system. By means of the early monitoring device, early monitoring can be achieved for the hydrate blockage position and the blockage severity degree in the production pipeline, sufficient time is provided for field workers to take the hydrate inhibitor injection measure, and more serious blockage conditions are avoided.

Description

technical field [0001] The invention belongs to the technical field of offshore oil and gas development, and in particular relates to an early monitoring device and method for hydrate blockage of a deep-water gas well production pipeline. Background technique [0002] With the continuous deepening of deep-water oil and gas exploration and development in the South my country Sea, a number of deep-water oil and gas fields have gradually entered the production and development stage. For this reason, it is necessary to install a large number of production pipelines composed of underwater production systems, submarine pipelines and riser systems to provide oil and gas production. aisle. [0003] figure 1 It is a typical deep-water gas well production system, mainly composed of wellbore (tubing) 101, subsea tree 103, subsea manifold 104, subsea pipeline 107, riser 110 and oil and gas processing platform (FPSO) 112. The wellbore 101 is connected to the subsea manifold 104 through ...

Claims

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Application Information

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IPC IPC(8): F17D5/02F17D1/17E21B43/01
CPCE21B43/01F17D1/17F17D5/02
Inventor 王志远赵阳孙宝江张剑波杨彩凤于璟
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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