Intelligent water content detecting device for wellhead

A water detection and intelligent technology, applied in wellbore/well components, earthwork drilling, etc., can solve the problems of large measurement error, inaccurate measurement results, and great influence of measurement results, avoiding scaling and waxing, Avoid sampling inaccurate effects

Pending Publication Date: 2018-01-16
陈勇
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Problems solved by technology

[0002] At present, the water content of crude oil at the wellhead of oil production wells is mainly monitored by manual sampling and testing. Special sampling personnel, laboratory personnel, vehicles and related laboratory consumables need to be arranged for testing. Long-term sampling and testing to determine the water content of crude oil is a big challenge for oil fields. cost consumption
When the water cut analyzer is directly used for measurement, the measurement results are greatly affected by the associated gas, resulting in large measurement errors, which cannot truly and accurately reflect the actual changes in the water cut of the oil well.
Traditional equipment mainly has the following problems in the measurement of crude oil: (a) The influence of crude oil composition changes on the measurement results, the gas content, produced water salinity and oil composition changes have a certain impact on the measurement results
Although the existing test level and test accuracy can meet the calibration requirements of the instrument,

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  • Intelligent water content detecting device for wellhead
  • Intelligent water content detecting device for wellhead
  • Intelligent water content detecting device for wellhead

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Embodiment Construction

[0019] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like figure 1 and figure 2 As shown, a wellhead intelligent water detection device of the present invention includes a production pipeline 1 and a metering pipeline 2 connected to the production pipeline 1, and the inlet end of the metering pipeline 2 passes through a three-way valve 3 communicates with the inlet of the production pipeline 1, and the outlet of the metering pipeline 2 communicates with the outlet of the production pipeline 1 through a valve 4; a heating device 7 is arranged on the outer wall of the metering pipeline 2, and the metering pipeline The inboard of 2 is equipped with the detector 5 that is distributed with a plurality of water oil sensors that extends from the upper end of the metering pipeline to the lower end. When sampling, the outlet of the production pipeline 1 will be closed, and the inlet of the

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Abstract

The invention discloses an intelligent water content detecting device for a wellhead. The intelligent water content detecting device comprises a production pipeline and a metering pipeline which communicates with the production pipeline, wherein an inlet end of the metering pipeline communicates with an inlet of the production pipeline through a three-way valve; an outlet of the metering pipelinecommunicates with an outlet of the production pipeline through a valve; a heating device is arranged on the outer side wall of the metering pipeline; and a detector which extends to the lower end of the metering pipeline from the upper end of the metering pipeline and is distributed with a plurality of water-oil sensors is mounted at the inner side of the metering pipeline. The intelligent water content detecting device avoids inaccurate sampling through an integral sampling mode of the metering pipeline, can be used for directly heating the metering pipeline, and prevents a probe from the scaling problem and the wax-precipitating problem. An oil-water interface of a sealing tube section is measured through the water-oil sensors, so that influences, on water content measuring, of an oil-in-water state and a water-in-oil state are prevented.

Description

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Claims

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Application Information

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Owner 陈勇
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