CN203188985U - Direct reading flow electric control water distributor - Google Patents

Abstract

A direct-reading flow electric control water distributor. The main problem of solving current eccentric injection mandrel automatic control degree low. The method is characterized in that: outer connection has main part (3) between top connection (1) and lower clutch (2), inner connection has separation sleeve (10) between top connection (1) and lower clutch (2), correspond the feed liquor department between separation sleeve (10) and main part (3) and have put adjustable ceramic valve (4), link to each other with motor (6) through regulator (5) on adjustable ceramic valve (4), motor (6) upper end links to each other with the circuit board through cable joint (7), flowmeter (8) and pressure sensor (9) have been put between separation sleeve (10) and main part (3), flowmeter (8) and pressure sensor (9) link to each other with the circuit board through cable joint (7), the circuit board has been put between separation sleeve (10) and main part (3). The direct-reading flow electric control water distributor has the characteristic of high automatic control degree.

Description

Direct reading flow electric control water distributor

technical field

The utility model relates to a water distributor used in a water injection well in the field of oil production in an oil field, in particular to a direct-reading flow electric control water distributor.

Background technique

In the field of oil production in oilfields, eccentric water distributors are mostly used in the form of strings of layered water injection wells for single-layer water distribution. However, due to structural reasons, the existing eccentric water distributors have the problem of low automatic control degree due to seal inspection, flow test, formation injection pressure monitoring and water volume adjustment in each layer, which affects the water injection efficiency.

Contents of the invention

In order to solve the problem that the existing eccentric water distributor performs seal inspection, flow test, formation injection pressure monitoring and water volume adjustment in each layer, and the automatic control degree is low. The utility model provides a direct-reading flow electric control water distributor. The direct-reading flow electric control water distributor has the characteristics of automatic downhole seal inspection, flow test, formation injection pressure monitoring and water volume adjustment in each layer.

The technical solution of the utility model is: the direct-reading flow electric control water distributor includes an upper joint, a lower joint, a main body, an adjustable ceramic valve, a regulator, a motor, a cable joint, a flow meter and a pressure sensor. There is a main body connected externally between the upper joint and the lower joint, and an isolation sleeve is connected internally between the upper joint and the lower joint. There is an adjustable ceramic valve corresponding to the liquid inlet between the isolation sleeve and the main body. The adjustable ceramic valve is connected to the motor through a regulator. The upper end of the motor is connected to the circuit board through a cable joint, a flow meter and a pressure sensor are arranged between the isolation sleeve and the main body, the flow meter and the pressure sensor are connected to the circuit board through a cable joint, and a circuit board is arranged between the isolation sleeve and the main body.

The utility model has the following beneficial effects: the direct-reading flow electric control water distributor adopts a main body connected externally between the upper joint and the lower joint, and an isolation sleeve is connected internally between the upper joint and the lower joint. There is an adjustable ceramic valve. The adjustable ceramic valve is connected to the motor through a regulator. The upper end of the motor is connected to the circuit board through a cable joint. A flow meter and a pressure sensor are placed between the isolation sleeve and the main body. The joint is connected with the circuit board, and the structure of the circuit board is placed between the isolation sleeve and the main body. Further, the following effects are achieved: firstly, the layered water distribution in the well does not need to be installed in the flow test and adjustment equipment, but can be continuously installed in the direct-reading flow electronic control water distribution device to further realize fine subdivision; Improve water distribution efficiency; the three tools use flow meters and pressure sensors to collect formation water injection flow and pressure parameters in each layer. Therefore, the direct-reading flow electric control water distributor has the characteristics of automatic downhole seal inspection, flow test, formation injection pressure monitoring and water volume adjustment in each layer.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is B-B section view among Fig. 1.

In the figure 1-upper connector, 2-lower connector, 3-main body, 4-adjustable ceramic valve, 5-regulator, 6-motor, 7-over cable connector, 8-flow meter, 9-pressure sensor, 10- isolation sleeve.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, the direct-reading flow electric control water distributor includes an upper joint 1, a lower joint 2, a main body 3, an adjustable ceramic valve 4, a regulator 5, a motor 6, a cable joint 7, a flow meter 8 and a pressure sensor 9. The upper joint 1 and the lower joint 2 are externally connected with the main body 3, and the space between the upper joint 1 and the lower joint 2 is connected with the isolation sleeve 10, and the isolation sleeve 10 and the main body 3 are equipped with an adjustable ceramic valve 4 corresponding to the liquid inlet. The valve 4 is connected to the motor 6 through the regulator 5, the upper end of the motor 6 is connected to the circuit board through the cable joint 7, the flow meter 8 and the pressure sensor 9 are placed between the isolation sleeve 10 and the main body 3, and the flow meter 8 and the pressure sensor 9 pass through The cable joint 7 is connected to the circuit board, and the circuit board is placed between the isolation sleeve 10 and the main body 3 .

In actual use:

The direct-reading flow electronically controlled water distributor is lowered downhole with the connected pipe string. The tools on the pipe string are mainly composed of 2 well-washable packers through cables, 3 downhole layered electronically controlled water distribution tools, and 4 transmission Composed of power supply cables and oil pipes. The ground control system is connected to the wellhead transmission power supply cable to supply power to the downhole tools. After the power supply, the signal collected by the pressure sensor 9 is transmitted to the ground, and the ground control system displays the data in real time. The sealing condition of the spacer is displayed, and the result is displayed, so as to realize the purpose of automatic downhole sealing inspection. The pressure parameters inside and outside the layer are collected by the flow meter 8 and the pressure sensor 9, and uploaded to the ground control system. After calculation, the water volume, pressure and other information of the layer are displayed, so as to realize the purpose of flow test and formation injection pressure monitoring. The system can issue mediation commands to the three downhole layered electric control water distribution tools according to the injection requirements, so that the motor 6 drives the adjustable ceramic valve 4 to rotate to control the injected water volume. The ground control system can automatically or manually adjust the injection water volume of a certain layer to achieve the purpose of water adjustment in each layer.

Claims (1)

1. A direct-reading flow electric control water distributor, including an upper joint (1), a lower joint (2), a main body (3), an adjustable ceramic valve (4), a regulator (5), a motor (6), a The cable joint (7), the flow meter (8) and the pressure sensor (9), are characterized in that: a main body (3) is externally connected between the upper joint (1) and the lower joint (2), and the upper joint (1) and the lower joint (2) There is an isolation sleeve (10) connected in the room, and an adjustable ceramic valve (4) is provided for the corresponding liquid inlet between the isolation sleeve (10) and the main body (3). The adjustable ceramic valve (4) passes through the regulator (5) ) is connected to the motor (6), the upper end of the motor (6) is connected to the circuit board through a cable joint (7), and a flow meter (8) and a pressure sensor (9) are placed between the isolation sleeve (10) and the main body (3), The flow meter (8) and the pressure sensor (9) are connected to the circuit board through the cable joint (7), and the circuit board is placed between the isolation sleeve (10) and the main body (3).

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