CN204831484U - Water injection flowmeter online calibration device - Google Patents

Abstract

The utility model provides an online calibration device for a water injection flowmeter, which belongs to the technical field of oil production machinery in the field of oilfield development. The inlet valve of the measured flowmeter is connected to the front end of the inlet pipeline, the on-site water injection flowmeter is connected to the rear end of the inlet pipeline, and the rear end of the inlet pipeline is also connected to the sampling port valve and the outlet valve of the measured flowmeter; the other end of the sampling port valve is connected to Short connection pipe, the other end of the short connection pipe is connected to the nonen, the other end of the nonon is connected to the high-pressure pipe, the other end of the high-pressure pipe is connected to the measuring straight pipe section, the other end of the measuring straight pipe section is connected to the flange, and the other end of the flange is connected to the standard flowmeter And the first end of the three-way ball valve, the second end of the three-way ball valve is connected to the empty plastic hose, the third end of the three-way ball valve is connected to the stainless steel water tank, and the other end of the empty plastic hose is connected to the dirty oil pool.

Description

Water injection flowmeter online calibration device

technical field

The utility model relates to an online calibration device for a water injection flowmeter, which belongs to the technical field of oil production machinery in the field of oil field development.

Background technique

At present, the calibration of water injection flowmeters is mainly carried out by external calibration. Each station disassembles the water injection flowmeters of the valve group and sends them to the instrument posts in each operation area. , after passing the calibration, return to each valve group according to the reverse procedure. In this calibration process, there are many difficulties, resulting in low calibration efficiency.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides an online calibration device for a water injection flowmeter.

An online calibration device for water injection flowmeter, the inlet valve of the measured flowmeter is connected to the front end of the inlet pipeline, the on-site water injection flowmeter is connected to the rear end of the inlet pipeline, and the rear end of the inlet pipeline is also connected to the sampling port valve and the outlet of the measured flowmeter Valve; the other end of the valve at the sampling port is connected to the short pipe, the other end of the short pipe is connected to the oil nonel, the other end of the oil nonel is connected to the high-pressure pipe, the other end of the high-pressure pipe is connected to the measuring straight pipe section, and the other end of the measuring straight pipe section is connected to the flange. The other end of the flange is connected to the standard flow meter and the first end of the three-way ball valve, the second end of the three-way ball valve is connected to the emptying plastic hose, the third end of the three-way ball valve is connected to the stainless steel water tank, and the other end of the emptying plastic hose is connected to For the dirty oil pool, the computer is connected to the on-site water injection flowmeter through the power cord of the measured meter, and the computer is connected to the standard flow meter through the power cord of the standard meter. The stainless steel water tank is connected with a breathing hole and a vent valve, and the other end of the vent valve is connected to the dirty oil pool.

An online calibration device for a water injection flowmeter, comprising: an inlet valve of the measured flowmeter, an on-site water injection flowmeter, a sampling port valve, an outlet valve of the measured flowmeter, a standard flowmeter and a computer, the inlet valve of the measured flowmeter is connected to On the front end of the inlet pipeline, the on-site water injection flowmeter is connected to the rear end of the inlet pipeline, and the rear end of the inlet pipeline is also connected to the sampling port valve and the outlet valve of the measured flowmeter; the other end of the sampling port valve A standard flowmeter is connected, and the computer is connected with the on-site water injection flowmeter and the standard flowmeter.

Further, the other end of the sampling port valve is connected to the standard flow meter via a flange.

Further, the other end of the sampling port valve is connected to a short connection pipe, the other end of the short connection pipe is connected to a non-oil, the other end of the non-oil is connected to a high-pressure pipeline, and the other end of the high-pressure pipeline is connected to a measuring straight pipe section , the other end of the measuring straight pipe section is connected to the flange, and the other end of the flange is connected to the standard flowmeter.

Further, it also includes a three-way ball valve, the other end of the flange is also connected to the first end of the three-way ball valve, the second end of the three-way ball valve is connected to the emptying plastic hose, and the third end of the three-way ball valve Connect the stainless steel water tank, and connect the other end of the empty plastic hose to the sump of dirty oil.

Further, the stainless steel water tank is connected with a breathing hole and an emptying valve.

Further, the other end of the vent valve is connected to the dirty oil pool.

Further, the computer is connected to the on-site water injection flowmeter through the power cord of the measured meter, and the computer is connected to the standard flowmeter through the power cord of the standard meter.

The utility model has the advantage that the on-site process and the device are quickly connected by the quick connector and the high-pressure hose, and the operation is simple and convenient. Through the standard water tank, the on-site water injection flowmeter and the cumulative capacity of the standard flowmeter can be further checked; on the premise of ensuring that the water injection flowmeter is not disassembled, the online calibration of the water injection flowmeter can be implemented to ensure the accuracy of oilfield water injection.

Description of drawings

A more complete and better understanding of the invention, and many of its attendant advantages, will be readily appreciated by reference to the following detailed description when considered in conjunction with the accompanying drawings, but the accompanying drawings illustrated herein are intended to provide a further understanding of the invention , constituting a part of the utility model, the schematic embodiment of the utility model and its description are used to explain the utility model, and do not constitute an improper limitation of the utility model, as shown in the figure:

Fig. 1 is the structural representation of the utility model.

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Embodiment 1: As shown in Figure 1, an online calibration device for a water injection flowmeter, the inlet valve 1 of the measured flowmeter is connected to the front end of the inlet pipeline, the on-site water injection flowmeter 2 is connected to the rear end of the inlet pipeline, and the rear end of the inlet pipeline The other end of the sampling port valve 3 is also connected to the valve 3 of the sampling port and the outlet valve 4 of the measured flowmeter; the other end of the valve 3 of the sampling port is connected to the short connection pipe 5, the other end of the short connection pipe 5 is connected to the oil nonelon 6, and the other end of the oil nonelon 6 is connected to the high pressure pipeline 7, The other end of the high-pressure pipeline 7 is connected to the measuring straight pipe section 8, and the other end of the measuring straight pipe section 8 is connected to the flange 9, and the other end of the flange 9 is connected to the first end of the standard flowmeter 10 and the three-way ball valve 11, and the three-way ball valve 11 The second end is connected to the emptying plastic hose 12, the third end of the three-way ball valve 11 is connected to the stainless steel water tank 13, the other end of the emptying plastic hose 12 is connected to the dirty oil pool 14, and the computer 15 is connected to the on-site water injection flow through the power line 16 of the meter under test. Meter 2, computer 15 is connected to standard flow meter 10 by standard meter power cord 17, stainless steel water tank 13 is connected with breathing hole 18 and vent valve 19, and the other end of vent valve 19 is connected dirty oil pool 14.

After passing through the high-pressure pipeline 7, the fluid passes through the on-site water injection flow meter 2 and the standard flow meter 10 in turn, and then enters the standard water tank 13. The computer 15 automatically collects a set of data every 1 second, and after N seconds is set according to the calibration requirements, the computer automatically generates the on-site water injection. The comprehensive error of the flowmeter and the "Calibration Record of the Water Injection Flowmeter", the staff set the parameters of the on-site water injection flowmeter 2 according to the comprehensive error. After multiple cycles, the comprehensive error of the on-site water injection flowmeter 2 is within 1%.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (8)

1. a water injection manifold gauge on-line calibration device, it is characterized in that measured stream gauge imported valve is connected on the front end of inlet pipeline, on-the-spot water injection manifold gauge connects the rear end of inlet pipeline, and the rear end of inlet pipeline also connects sample tap valve, measured stream gauge outlet valve, the other end of sample tap valve connects nipple, the other end of nipple connects the oily ninth of the ten Heavenly Stems, the other end in the oily ninth of the ten Heavenly Stems connects pressure piping, the other end of pressure piping connects measures straight length, measure the other end joint flange of straight length, the other end connection standard flowmeter of flange and the first end of three-dimensional ball valve, second end of three-dimensional ball valve connects emptying plastic flexible pipe, the three-terminal link stainless steel water tank of three-dimensional ball valve, the other end of emptying plastic flexible pipe connects contaminated-oil basin, computing machine connects on-the-spot water injection manifold gauge by tested apparent source line, computing machine is by standard scale power lead connection standard flowmeter, stainless steel water tank is connected with spiracle and emptying valve, the other end of emptying valve connects contaminated-oil basin.

2. a water injection manifold gauge on-line calibration device, it is characterized in that, comprise: measured stream gauge imported valve (1), on-the-spot water injection manifold gauge (2), sample tap valve (3), measured stream gauge outlet valve (4), proving flowmeter (10) and computing machine (15), described measured stream gauge imported valve (1) is connected on the front end of inlet pipeline, described on-the-spot water injection manifold gauge (2) is connected to the rear end of described inlet pipeline, the rear end of described inlet pipeline also connects sample tap valve (3) and measured stream gauge outlet valve (4), the other end connection standard flowmeter (10) of described sample tap valve (3), described computing machine (15) connects described on-the-spot water injection manifold gauge (2) and described proving flowmeter (10).

3. water injection manifold gauge on-line calibration device according to claim 2, is characterized in that, the described other end of described sample tap valve (3) connects described proving flowmeter (10) via flange (9).

4. water injection manifold gauge on-line calibration device according to claim 3, it is characterized in that, the described other end of described sample tap valve (3) connects nipple (5), the other end of described nipple (5) connects the oil ninth of the ten Heavenly Stems (6), the other end of the described oil ninth of the ten Heavenly Stems (6) connects pressure piping (7), the other end of described pressure piping (7) connects measures straight length (8), the other end of described measurement straight length (8) connects described flange (9), and the other end of described flange (9) connects described proving flowmeter (10).

5. water injection manifold gauge on-line calibration device according to claim 3, it is characterized in that, also comprise three-dimensional ball valve (11), the other end of described flange (9) also connects the first end of described three-dimensional ball valve (11), second end of three-dimensional ball valve (11) connects emptying plastic flexible pipe (12), the three-terminal link stainless steel water tank (13) of described three-dimensional ball valve (11), the other end of emptying plastic flexible pipe (12) connects contaminated-oil basin (14).

6. water injection manifold gauge on-line calibration device according to claim 5, is characterized in that, described stainless steel water tank (13) is connected with spiracle (18) and emptying valve (19).

7. water injection manifold gauge on-line calibration device according to claim 6, is characterized in that, the other end of described emptying valve (19) connects described contaminated-oil basin (14).

8. water injection manifold gauge on-line calibration device according to claim 2, it is characterized in that, described computing machine (15) connects described on-the-spot water injection manifold gauge (2) by tested apparent source line (16), and described computing machine (15) connects described proving flowmeter (10) by standard scale power lead (17).