Oil field steam injection boiler steam dryness increasing device

Abstract

The invention discloses an oil field steam injection boiler steam dryness increasing device, and mainly solves the defect of low thickened oil production efficiency due to insufficient dryness of steam provided by a traditional oil field steam injection boiler. The oil field steam injection boiler steam dryness increasing device is characterized in that a steam dryness increasing pipeline (2) includes a boiler steam outlet (1), a high-pressure steam and water separator (4) and a sampling separator (5); boiler steam passes through a high-pressure stop valve A (3) by the boiler steam outlet (1) to enter the high-pressure steam and water separator (4); and high-dryness steam separated by the high-pressure steam and water separator (4) enters the sampling separator (5), and passes through a pressure transducer A (6), a one-way valve (7) and a high-pressure stop valve B (8) in sequence to enter a steam injection pipe network through a steam injection pipe network joint (30). The oil field steam injection boiler steam dryness increasing device can increase the steam dryness by above 95% so as to improve the thickened oil production efficiency.

Description

Technical field [0001] The invention relates to the field of oil fields, in particular to an oil field steam injection boiler steam quality improvement device. Background technique [0002] At present, the production of heavy oil in my country is mainly based on thermal exploitation. The heat source mainly comes from the 50%-80% dryness wet saturated steam provided by the oilfield steam injection boiler, and drives the softened downhole heavy oil reservoirs for thermal exploitation. The steam injection boilers whose degree is the design parameter occupy the majority. However, under the thermal drive of 50%-80% dryness steam for a long time, the production efficiency has gradually decreased, which can no longer meet the requirements of existing heavy oil thermal production conditions. Improving the steam quality of steam injection boilers is one of the main ways to improve the efficiency of heavy oil production. Therefore, there is an urgent need for an oilfield steam injection bo...

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Problems solved by technology

[0003] In order to overcome the shortage of steam dryness provided by the existing steam injection boilers in the oil field, which leads to the low efficiency of heavy oil production, the present invention provides a steam dryness raising device for oilfield steam injection boilers, the steam dryness raising device for oilfield steam injection boilers It can increase the dryness of steam to more than 95%, thus improving the efficiency of heavy oil recovery

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