Circulating oiling machine

Abstract

The utility model provides a circulating type oiling machine which comprises a base, a magnetic drive pump is installed in the base, an inlet of the magnetic drive pump is connected with an oil storage barrel through a hose, an outlet of the magnetic drive pump is connected with an oil inlet nozzle through a hose, the oil inlet nozzle is installed on an oil inlet of a downhole instrument, and the oil storage barrel is connected with an inlet of a filter barrel through a hose. An outlet of the filter cartridge is connected with one end of the oil outlet nozzle through a hose, and the other end of the oil outlet nozzle is installed on an oil outlet of the downhole instrument, so that the oil injection function of the downhole instrument is achieved. An air inlet cylinder is installed above the oil storage cylinder, the air inlet cylinder is connected with a vacuum pump through a hose, the vacuum pump is installed on a base, and the vacuum pump is mainly used for pumping out air in an underground instrument so that enough silicone oil can be injected. An oil recharging pump is installed on the base, an oil inlet of the oil recharging pump is connected with the oil storage cylinder through a hose, an oil outlet of the oil recharging pump is connected with the oil recharging nozzle through a hose, and the oil recharging function of the downhole instrument is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical oil pump technical field, especially relate to a circulating oil injection machine. BACKGROUND

[0002] In order to protect the sensor in downhole instrument, the air in downhole instrument needs to be discharged and then filled with silicon oil, at present, mainly through a device to carry out vacuumizing and oil injection to downhole instrument, but the downhole instrument with piston cannot meet the oil injection amount, needs to use another device to carry out oil supplement to downhole instrument, so as to make the piston reach the required position, to ensure the smooth completion of downhole instrument in logging.

[0003] The existing patent CN201661551U provides a vacuumizing and oil injection system, including support, oil injection device and vacuumizing device.Oil injection device and vacuumizing device are all arranged on support, and oil injection device includes oil injection pump and oil injection cylinder connected by pipeline;Vacuumizing device includes vacuumizing pump and vacuumizing cylinder connected by pipeline, realizes vacuumizing to hydraulic equipment at the same time of oil injection through vacuumizing device, improves work efficiency, but the vacuumizing and oil injection system cannot supplement oil to equipment in time. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the oil supplement problem in prior art, and meets the integrated operation of vacuumizing, circulating oil injection and oil supplement to downhole instrument.

[0005] In order to realize the above-mentioned purpose, the utility model provides a circulating oil injection machine, including base, the inside installation of base has vacuum pump and magnetic drive pump, and the top of base is installed with oil storage cylinder;

[0006] The inlet of magnetic drive pump is connected with oil storage cylinder through hose, and the outlet of magnetic drive pump is connected with oil inlet nozzle through hose, and the oil inlet nozzle is installed on the oil inlet of downhole instrument;The top of oil storage cylinder is installed with air inlet cylinder, and the vacuum pump is connected with air inlet cylinder through hose, and the hose between vacuum pump and air inlet cylinder is equipped with vacuum valve;

[0007] The top of base is installed with filter cylinder, and the inlet of filter cylinder is connected with oil storage cylinder through hose, and the outlet of filter cylinder is connected with one end of oil outlet nozzle through hose, and the other end of oil outlet nozzle is installed on the oil outlet of downhole instrument;

[0008] The oil supplement pump is installed on the base, and the oil inlet of oil supplement pump is connected with oil storage cylinder through hose, and the oil outlet of oil supplement pump is connected with oil supplement nozzle through hose, and the oil supplement nozzle is installed at the oil supplement port of downhole instrument.

[0009] Further, the base is movable.

[0010] Further, a vacuum gauge is installed on the hose between the oil storage cylinder and the filter cylinder, an oil return valve is arranged on the hose between the filter cylinder and the vacuum gauge, and an air inlet valve is installed on the tee pipe between the vacuum gauge and the oil storage cylinder.

[0011] Beneficial effects:

[0012] The circulating oil injection system can use one device to complete the vacuumizing, circulating oil injection and oil supplementing of the downhole instrument, improves the oil injection efficiency, and effectively protects the sensor in the instrument by quickly and effectively discharging the air in the instrument and injecting sufficient silicon oil into the cavity in the instrument. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the overall structure schematic diagram of the oil injection machine of the utility model;

[0014] Figure 2 is the flow chart of the oil injection machine of the utility model.

[0015] Fig. 1 is a base, 2 is a magnetic pump, 3 is a vacuum pump, 4 is an oil storage cylinder, 5 is an air inlet cylinder, 6 is a vacuum gauge, 7 is a filter cylinder, 8 is an oil supplementing pump, 9 is an oil inlet nozzle, 10 is an oil outlet nozzle, 11 is an oil supplementing nozzle, 12 is an oil inlet valve, 13 is an air inlet valve, 14 is a vacuum valve, 15 is an oil return valve, and 16 is a downhole instrument. DETAILED DESCRIPTION

[0016] In order to further understand the invention content, characteristics and effects of the utility model, the following examples are listed, and the detailed description is as follows in combination with the drawings.

[0017] The structure of the utility model will be described in detail below in combination with the drawings.

[0018] Please refer to Figure 1 A circulating oil injection machine, which comprises a base 1, the base 1 is movable and moves through a roller, a magnetic pump 2 and a vacuum pump 3 are installed in the base 1, and an oil storage cylinder 4 is installed on the top of the base 1. The inlet of the magnetic pump 2 is connected with the oil storage cylinder 4 through a hose, the magnetic pump 2 mainly injects the silicon oil in the oil storage cylinder 4 into a downhole instrument 16, the outlet of the magnetic pump 2 is connected with an oil inlet nozzle 9 through a hose, an oil inlet valve 12 is arranged on the hose between the magnetic pump 2 and the oil inlet nozzle 9, and the oil inlet nozzle 9 is installed on the oil inlet of the downhole instrument 16 to realize the oil injection function of the downhole instrument 16.

[0019] An air inlet cylinder 5 is installed on the top of the oil storage cylinder 4, the vacuum pump 3 is connected with the air inlet cylinder 5 through a hose, a vacuum valve 14 is arranged on the hose between the vacuum pump 3 and the air inlet cylinder 5, and the vacuum pump 3 mainly discharges the air in the downhole instrument 16 to inject sufficient silicon oil.

[0020] The top of the base 1 is provided with a filter cylinder 7, the oil storage cylinder 4 is connected with the inlet of the filter cylinder 7 through a hose, a vacuum gauge 6 is arranged on the hose between the oil storage cylinder 4 and the filter cylinder 7, an oil return valve 15 is arranged on the hose between the filter cylinder 7 and the vacuum gauge 6, and an air inlet valve 13 is arranged on the three-way pipe between the vacuum gauge 6 and the oil storage cylinder 4. The outlet of the filter cylinder 7 is connected with one end of an oil outlet nozzle 10 through a hose, and the other end of the oil outlet nozzle 10 is arranged on the oil outlet of the downhole instrument 16. When the vacuum pump 3 works, the vacuum pump 3 discharges the air in the downhole instrument 16 through the air inlet cylinder 5, the oil storage cylinder 4, the filter cylinder 7 and the oil outlet nozzle 10, so that the downhole instrument 16 forms a vacuum state, and the silicon oil is injected into the downhole instrument 16 when the magnetic pump 2 works.

[0021] The base 1 is provided with a supplement oil pump 8, the oil inlet of the supplement oil pump 8 is connected with the oil storage cylinder 4 through a hose, the oil outlet of the supplement oil pump 8 is connected with a supplement oil nozzle 11 through a hose, and the supplement oil nozzle 11 is arranged on the supplement oil outlet of the downhole instrument 16, so that the supplement oil function of the downhole instrument 16 is realized.

[0022] The working principle of the utility model is as follows:

[0023] The oil inlet nozzle 9 and the oil outlet nozzle 10 are arranged on the oil inlet and the oil outlet of the downhole instrument 16 respectively, the oil inlet valve 12 and the air inlet valve 13 are closed, the vacuum valve 14 and the oil return valve 15 are opened, the vacuum pump 3 is opened, the air in the downhole instrument 16 is discharged, and the downhole instrument 16 is called to be vacuumized. After the vacuumization is completed, the vacuum valve 14 and the oil return valve 15 are closed, the oil inlet valve 12 is slowly opened, at this time, the silicon oil slowly enters the downhole instrument 16, after 10 minutes, the air inlet valve 13 is opened, and after another 10 minutes, the oil return valve 15 is opened. Then the magnetic pump 2 is opened, the downhole instrument 16 is circularly injected with oil, when the silicon oil flows back to the oil storage cylinder 4 in the hose of the oil return valve 15 and no obvious bubbles are generated, it is indicated that the downhole instrument 16 is filled with silicon oil, and the magnetic pump 2 is closed. The oil inlet nozzle 9 and the oil outlet nozzle 10 are respectively unscrewed and quickly screwed with plugs. Finally, the supplement oil nozzle 11 is arranged on the supplement oil outlet, the downhole instrument 16 is supplemented with oil by the supplement oil pump 8, after the supplement oil is completed, the supplement oil nozzle is unscrewed and quickly screwed with a plug, and the vacuumization, oil injection and oil supplement of the downhole instrument 16 are completed.

[0024] The above only is to the preferable embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment all belong to the range of the utility model technical scheme.

Claims

1. A recirculating oil injector characterized by comprising: The base is internally provided with a vacuum pump and a magnetic pump, and the top of the base is provided with an oil storage cylinder; The inlet of the magnetic pump is connected with the oil storage cylinder through a hose, the outlet of the magnetic pump is connected with an oil inlet nozzle through a hose, and the oil inlet nozzle is installed on the oil inlet of the downhole instrument; the top of the oil storage cylinder is provided with an air inlet cylinder, and the vacuum pump is connected with the air inlet cylinder through a hose, and a vacuum valve is arranged on the hose between the vacuum pump and the air inlet cylinder; The top of the base is provided with a filter cylinder, the oil storage cylinder is connected with the inlet of the filter cylinder through a hose, the outlet of the filter cylinder is connected with one end of an oil outlet nozzle through a hose, and the other end of the oil outlet nozzle is installed on the oil outlet of the downhole instrument; An oil supplement pump is installed on the base, the oil inlet of the oil supplement pump is connected with the oil storage cylinder through a hose, the oil outlet of the oil supplement pump is connected with an oil supplement nozzle through a hose, and the oil supplement nozzle is installed on the oil supplement port of the downhole instrument.

2. The recirculating oiler of claim 1 wherein, The base is movable.

3. The recirculating oiler of claim 1 wherein, A vacuum gauge is installed on the hose between the oil storage cylinder and the filter cylinder, an oil return valve is arranged on the hose between the filter cylinder and the vacuum gauge, and an air inlet valve is installed on the tee pipe between the vacuum gauge and the oil storage cylinder.

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