Petrochina Company Limited

Hongwei Yu

Xinglong Chen

Haishui Han

Shi Kun Li

Jiazhong Wu

Zemin Ji

Qingjie Liu

A phase power device, comprising: a circulation pipe () and a preset number of phase power control components (), wherein the circulation pipe () is used to provide a channel for fluid circulation flow, and the preset number of phase power control components () are disposed on the circulation pipe () and used to drive fluid in the circulation pipe () to circulate and flow. Further provided is a fluid experiment system, comprising the phase power device. The phase power device and the fluid experiment system may enable the fluid to meet a set flow requirement during the experiment, thus reducing the use of auxiliary equipment, and reducing experiment costs.

Phase power device and fluid experiment system

The embodiments of the present disclosure disclose an ultrasonic microbubble generation method, apparatus and system. The apparatus comprises a horn-shaped conductor including an upper horn-shaped body and a lower cylindrical body; the horn-shaped body is provided with a cavity having an upper opening, an upper end of the cavity is fixedly connected with a micropore vibration thin sheet, a micropore array of the micropore vibration thin sheet is corresponding to the upper opening of the cavity, and a side wall of the cavity is provided with a through hole for external gas to enter the cavity; the cylindrical body is provided with a transducing ring and an electrode sheet, an outer side of the cylindrical body is insulated and sealed, and a connection wire of the electrode sheet is led out by a steel pipe and connected with an external ultrasonic oscillation controller.

Ultrasonic microbubble generation method, apparatus and system

The present disclosure provides a microbubble generation device and equipment, wherein the microbubble generation device comprises: a microbubble generation mechanism having a housing and a core tube provided to pass therethrough, wherein at least one filter plate is provided on a peripheral sidewall of the housing, and an annular space is formed between the housing and the core tube; a flow rate control mechanism provided in the annular space, and connected to the core tube that is communicated with the annular space through the flow rate control mechanism, wherein a blocking ball is provided in the flow rate control mechanism and capable of blocking the flow rate control mechanism in a state that a pressure of gas injected into the flow rate control mechanism decreases; and a pressure balancing mechanism provided outside the housing and having a pressure balancing tube and a fluid check valve connected thereto. The present disclosure can withstand a huge pressure difference during a movement within a wellbore from a ground surface to an oil reservoir and take preventive measures for the failure. The gas injection process of the present disclosure not only meets the microbubble volume requirement, but also provides safe control measures.

Microbubble generation device and equipment

A system and method of performing oil displacement by a water-gas dispersion system includes a micro-bubble generation apparatus, a gas source, an ultrasonic oscillation controller, a protective barrel and a support. A first opening is provided in a top end of the protective barrel, into which an internal apparatus enters and is extracted, the first opening is sealed by an end cover. A second opening communicating with a water flooding pipeline is provided in a side wall of the protective barrel, into which fluid flows and from which the fluid exits. The micro-bubble generation apparatus is fixed within the protective barrel by the support. The gas source is connected with the micro-bubble generation apparatus through a gas pipeline, for transporting gas to the micro-bubble generation apparatus. The ultrasonic oscillation controller is connected to the micro-bubble generation apparatus through a signal line, for controlling the micro-bubble generation apparatus to generate micro-bubbles.

Growing community of inventors

Beijing, China

Hongwei Yu