Sampler for petroleum detection

Abstract

The utility model relates to a sampler for petroleum detection, which belongs to the technical field of samplers and comprises a movable base, a petroleum sample storage box, a multi-way valve, a petroleum delivery pump and a pipe winder, an equipment support is fixedly mounted on the petroleum sample storage box, the multi-way valve is mounted on the equipment support, and the petroleum delivery pump and the pipe winder are mounted on the movable base. The petroleum sample storage box is uniformly provided with liquid storage cavities, and the liquid storage cavities are communicated with a liquid outlet valve, a liquid inlet pipe, a micro pressure release valve and a gas inlet valve. According to the sampler for petroleum detection, petroleum in a petroleum detection well can be sampled in a stratified mode in one-time putting, petroleum samples in different layers can be stored in a separated mode due to the fact that the multiple sealed cavities are arranged, and therefore the working efficiency of petroleum detection sampling work can be effectively improved; before sampling, inert gas is injected to exhaust air, so that volatile matter loss and oxidation reaction can be effectively reduced, and the accuracy of petroleum detection can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sampler, especially to a sampler for petroleum detection. BACKGROUND

[0002] After carrying out petroleum exploitation, in order to realize the corresponding treatment of the exploited petroleum, the mixture content of alkane, naphthenes and aromatic hydrocarbon in the petroleum needs to be detected, so the sampler is needed to sample the petroleum and then send it to the detection center for detection.

[0003] Through the cooperation of the sampling cylinder, the hole plug, the copper rod, the plastic rope, the nylon rope and the spring, the sampler can be used for sampling petroleum at a deeper position, easily complete the sampling of petroleum, and is simple to operate. Through the cooperation of the motor, the adjusting hand wheel, the sliding disc and the locking column, the nylon rope can be efficiently wound or unwound, and the working efficiency of sampling is improved.

[0004] The above technical solution has the following defects. Although the sampler can drive the sampling cylinder to sink into the detection well to sample the petroleum sample through the nylon rope, it is difficult to stratify sample the petroleum of different layers at one time in actual use. In order to further improve the working efficiency of petroleum detection and sampling, the present application provides a sampler for petroleum detection, which can stratify sample the petroleum in the petroleum detection well at one time, is provided with a plurality of sealed cavities, can separate and store the petroleum samples of different layers, and thus can effectively improve the working efficiency of petroleum detection and sampling, is provided with an inert gas replacement assembly, and inert gas is injected to discharge air before sampling, which can effectively reduce the loss of volatile matter and oxidation reaction.

[0005] Therefore, the present application improves the above-mentioned problems and solves them through careful research and application of theories.

[0006] The information disclosed in the background section of this document is intended only to enhance the understanding of the background of the present application, and should not be considered as acknowledging or implying in any form that this information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model provides a kind of sampler for petroleum detection, solve the problem raised in the above background, can stratify sample the petroleum in the petroleum detection well at one time, is provided with a plurality of sealed cavities, can separate and store the petroleum samples of different layers, and thus can effectively improve the working efficiency of petroleum detection and sampling, is provided with an inert gas replacement assembly, and inert gas is injected to discharge air before sampling, which can effectively reduce the loss of volatile matter and oxidation reaction.

[0008] The utility model discloses a scheme that solves the above technical problem as follows: A sampler for petroleum detection, including mobile base, petroleum sample storage box, multi -way valve, petroleum delivery pump, pipe coiler, the petroleum sample storage box fixed mounting has the equipment support, the multi -way valve installs at the equipment support, the petroleum delivery pump and pipe coiler install at mobile base, the petroleum sample storage box evenly is provided with liquid storage cavity, the liquid storage cavity is connected with liquid outlet valve, liquid inlet pipe, miniature pressure relief valve, gas inlet valve, the liquid inlet pipe is connected with multi -way valve, the petroleum sample storage box is installed with gas cylinder storage rack, the gas cylinder storage rack is installed with compressed gas cylinder through bolt, the compressed gas cylinder is connected with exhaust valve, the exhaust valve is connected with gas inlet valve through the gas pipe, the pipe coiler is provided with sampling pipe.

[0009] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0010] Further, the mobile base is provided with brake wheels, the brake wheels are provided with four brake wheels respectively arranged at the four corner edges of the mobile base, and the four brake wheels can drive the mobile base and the equipment on the top of the mobile base to move and stop at the sampling position.

[0011] Further, one end of the petroleum sample storage box is rotationally connected with the mobile base, and the other end is connected with the mobile base through a screw positioning connection, so that the petroleum sample storage box can be placed horizontally or vertically on the mobile base.

[0012] Further, the petroleum sample storage box is provided with observation windows corresponding to the liquid storage cavities, each group of the observation windows is provided with two observation windows, and the observation windows are provided with scale lines, and the scale lines of the two observation windows are arranged horizontally and vertically, so that the capacity of the petroleum sample in the liquid storage cavities can be observed when the petroleum sample storage box is placed horizontally or vertically.

[0013] Further, the sampling pipes are uniformly provided with scale lines, the petroleum delivery pump is in communication with the sampling pipes and the multi-way valve respectively, and the dropping depth of the sampling pipes can be observed through the scale lines.

[0014] Further, the multi-way valve is in threaded communication with a waste liquid discharge pipe, and the waste liquid discharge pipe can discharge residual waste liquid in the pipeline.

[0015] Further, the waste liquid discharge pipe and the sampling pipe are both provided with filter screen barrels, which can prevent impurities from blocking the pipeline.

[0016] Further, the petroleum sample storage box is provided with a load-bearing support, and the pipe coiler is provided with a guide wheel, the load-bearing support can support the petroleum sample storage box when the petroleum sample storage box is placed horizontally, and the guide wheel can stably discharge the sampling pipe.

[0017] The utility model provides a kind of sampler for petroleum detection, with the following advantages:

[0018] 1, open exhaust valve and inlet valve, gas cylinder storage frame in the compressed gas cylinder can be filled into the oil sample storage box in the storage cavity, the storage cavity pressure is too large can be discharged through the micro relief valve, so that the oxygen in the storage cavity can be replaced by inert gas;

[0019] 2, start the pipe reel can be put into the oil monitoring well through the sampling tube surface scale can be observed sampling depth, put to the required depth can be controlled multi-way valve and a storage cavity communication, oil transfer pump can be through the sampling tube to the oil sample into the liquid pipe into the storage cavity storage, through the observation window can be observed oil sampling amount;

[0020] 3, start the oil transfer pump to the pipeline in the excess of the last layer of oil sample back to the oil detection well, after the operation of multi-way valve and another storage cavity communication, so that the storage cavity can be used to collect another layer of oil sample, repeat the above steps can be stratified sampling of multi-layer oil sample, such sampling operation can prevent the last layer of oil sample affect the next layer of oil sample;

[0021] 4, multi-layer oil sample can be stored in the multiple storage cavity, after sampling clean equipment can be through the moving base to the sample to the detection center, to the detection equipment can be removed the screw of the oil sample storage box and the moving base connection, the oil sample storage box can be rotated horizontally, open the liquid outlet valve can be discharged for subsequent detection of oil sample in the storage cavity, different layers of oil sample respectively stored can effectively prevent the mixed influence detection effect;

[0022] 5, such oil detection sampler can be stratified sampling in one time in the oil detection well, provided with a plurality of sealed cavity, can be separated and stored in different layers of oil sample, so as to effectively improve the work efficiency of oil detection sampling work, provided with inert gas replacement assembly, before sampling, inject inert gas to discharge air, can effectively reduce the volatile loss and oxidation reaction, so as to effectively improve the accuracy of oil detection.

[0023] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is the preferred embodiment of the present application and the detailed description of the drawings. The specific implementation of the present application is given by the following examples and their drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the schematic embodiment of the present application and its explanation are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0025] Figure 1 A structure schematic view of a sampler state of the sampler for petroleum detection is provided for an embodiment of the utility model;

[0026] Figure 2 A front view of a sampler state of the sampler for petroleum detection is provided for an embodiment of the utility model;

[0027] Figure 3 A structure schematic view of a sample discharging state of the sampler for petroleum detection is provided for an embodiment of the utility model;

[0028] Figure 4 A front view of a sample discharging state of the sampler for petroleum detection is provided for an embodiment of the utility model.

[0029] In the drawings, the components represented by each reference numeral are listed as follows:

[0030] 1, mobile base; 2, petroleum sample storage box; 3, equipment support; 4, multi-way valve; 5, petroleum delivery pump; 6, pipe reel; 7, liquid storage cavity; 8, liquid outlet valve; 9, liquid inlet pipe; 10, miniature pressure relief valve; 11, gas cylinder storage rack; 12, compressed gas cylinder; 13, exhaust valve; 14, gas inlet valve; 15, observation window; 16, sampling pipe; 17, waste liquid discharge pipe; 18, filter screen cylinder; 19, load support; 20, guide wheel. DETAILED DESCRIPTION

[0031] The principles and features of the utility model are described, and the examples are only used to explain the utility model, and are not used to limit the scope of the utility model. In the following paragraphs, the utility model is described in more detail with reference to the drawings. The advantages and features of the utility model will be more apparent according to the following description and claims. It should be noted that the drawings are very simplified and use non-precise proportions, and are only used to facilitate and clarify the purpose of assisting the description of the embodiments of the utility model. Figures 1-4 It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes.

[0032] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0034] like Figures 1-4 As shown, a sampler for petroleum testing includes a movable base 1, a petroleum sample storage box 2, a multi-way valve 4, a petroleum transfer pump 5, and a hose reel 6. The petroleum sample storage box 2 is fixedly mounted with an equipment bracket 3. The multi-way valve 4 is installed on the equipment bracket 3. The petroleum transfer pump 5 and the hose reel 6 are installed on the movable base 1. The petroleum sample storage box 2 is evenly provided with liquid storage chambers 7. The liquid storage chambers 7 are connected to an outlet valve 8, an inlet pipe 9, a miniature pressure relief valve 10, and an air inlet valve 14. The inlet pipe 9 is connected to the multi-way valve 4. The petroleum sample storage box 2 is equipped with a gas cylinder storage rack 11. The gas cylinder storage rack 11 is bolted to a compressed gas cylinder 12. The compressed gas cylinder 12 is connected to an exhaust valve 13. The exhaust valve 13 is connected to the air inlet valve 14 through a gas pipe. The hose reel 6 is provided with a sampling tube 16.

[0035] Preferably, the mobile base 1 is equipped with brake wheels. There are four brake wheels, which are respectively located at the four corners of the mobile base 1. The four brake wheels can drive the mobile base 1 and the equipment on top to move. When the equipment is moved to the sampling position, the brake positioning can be activated.

[0036] Preferably, one end of the petroleum sample storage box 2 is rotatably connected to the mobile base 1, and the other end is positioned by screws, so that the petroleum sample storage box 2 can be placed flat or vertically on the mobile base 1.

[0037] Preferably, the petroleum sample storage box 2 is provided with an observation window 15 corresponding to the liquid storage chamber 7. There are multiple sets of observation windows 15 corresponding to the liquid storage chamber 7, and each set of observation windows 15 has two observation windows 15. The observation windows 15 are provided with scale lines, and the scale lines of the two observation windows 15 are set horizontally and vertically respectively, so that the volume of petroleum sample in the liquid storage chamber 7 can be observed whether the petroleum sample storage box 2 is placed horizontally or vertically.

[0038] Preferably, the sampling tube 16 is evenly provided with scale lines, and the oil transfer pump 5 is connected to the sampling tube 16 and the multi-way valve 4 respectively. The depth of the sampling tube can be observed through the scale lines.

[0039] Preferably, the multi-way valve 4 is threadedly connected to a waste liquid discharge pipe 17, which can discharge residual waste liquid in the pipeline.

[0040] Preferably, both the waste liquid discharge pipe 17 and the sampling pipe 16 are equipped with filter screens 18 to prevent impurities from clogging the pipes.

[0041] Preferably, the petroleum sample storage box 2 is installed with a load-bearing support 19, and the pipe winder 6 is provided with a guide wheel 20, the load-bearing support 19 can support when the petroleum sample storage box 2 is laid horizontally, and the guide wheel 20 can make the sampling pipe 16 be discharged smoothly.

[0042] The specific working principle and use method of the utility model are as follows: the petroleum sample storage box 2 is kept vertical and can be positioned on the top of the mobile base 1 through screws, the mobile base 1 can carry equipment to move, and when the mobile base 1 is moved to the petroleum detection well, the brake of the mobile base 1 can be started, the exhaust valve 13 and the air inlet valve 14 are opened, and the compressed gas cylinder 12 in the gas cylinder storage rack 11 can fill the internal inert gas such as nitrogen into the liquid storage cavity 7 of the petroleum sample storage box 2, and when the pressure in the liquid storage cavity 7 is too large, it can be discharged through the micro pressure relief valve 10, so that the oxygen in the liquid storage cavity 7 can be replaced by inert gas, the pipe winder 6 can be started to put the sampling pipe 16 into the petroleum monitoring well, the sampling depth can be observed through the scale line on the surface of the sampling pipe 16, after being put to the required depth, the multi-way valve 4 can be controlled to be communicated with one liquid storage cavity 7, and the petroleum delivery pump 5 can draw the petroleum sample through the sampling pipe 16 into the liquid storage cavity 7 through the liquid inlet pipe 9 for storage, the petroleum sampling amount can be observed through the observation window 15, after reaching the required amount, the corresponding pipeline can be closed by operating the multi-way valve 4, the petroleum delivery pump 5 is stopped, the pipe winder 6 is started to put the sampling pipe 16 to the next sampling depth, and after the adjustment is completed, the multi-way valve 4 is adjusted to be communicated with the waste liquid discharge pipe 17 first, the petroleum delivery pump 5 is started first to discharge the excess petroleum sample of the last layer in the pipeline back to the petroleum detection well, after the discharge, the multi-way valve 4 is operated to be communicated with another liquid storage cavity 7, so that the liquid storage cavity 7 can be used to collect another layer of petroleum sample, and the above steps can be repeated to sample the multi-layer petroleum sample, the multi-layer petroleum sample can be stored in the plurality of liquid storage cavities 7 respectively, and after the sampling is completed, the cleaning equipment can be transmitted to the detection center through the mobile base 1, when reaching the detection equipment, the screws connecting the petroleum sample storage box 2 and the mobile base 1 can be removed, the petroleum sample storage box 2 can be rotated and laid horizontally, the liquid outlet valve 8 can be opened to discharge the petroleum sample in the liquid storage cavity 7 for subsequent detection, and the petroleum samples of different layers are stored respectively, which can effectively prevent the mixing from affecting the detection effect.

[0043] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; any person skilled in the art can implement the utility model according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above-mentioned technical contents within the scope of the technical scheme of the utility model are also the equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above-mentioned technical contents within the scope of the technical scheme of the utility model are also the equivalent embodiments of the utility model.

Claims

1. A sampler for oil detection, comprising a mobile base (1), an oil sample storage box (2), a multi-way valve (4), an oil delivery pump (5), a pipe coiler (6), characterized in that: The petroleum sample storage box (2) is fixedly installed with an equipment support (3), the multi-way valve (4) is installed at the equipment support (3), the petroleum delivery pump (5) and the pipe coiler (6) are installed at the movable base (1), the petroleum sample storage box (2) is uniformly provided with a liquid storage cavity (7), the liquid storage cavity (7) is communicated with a liquid outlet valve (8), a liquid inlet pipe (9), a micro pressure relief valve (10) and a gas inlet valve (14), the liquid inlet pipe (9) is communicated with the multi-way valve (4), the petroleum sample storage box (2) is installed with a gas cylinder storage rack (11), the gas cylinder storage rack (11) is installed with a compressed gas cylinder (12) through bolts, the compressed gas cylinder (12) is communicated with a gas outlet valve (13), the gas outlet valve (13) is communicated with the gas inlet valve (14) through a gas pipe, and the pipe coiler (6) is provided with a sampling pipe (16).

2. The sampler according to claim 1, wherein The movable base (1) is provided with brake wheels, and the brake wheels are provided with four brake wheels respectively arranged at the four corner edges of the movable base (1).

3. The sampler of claim 1, wherein, One end of the petroleum sample storage box (2) is rotationally connected with the movable base (1), and the other end is fixedly connected through a screw.

4. The sampler of claim 1, wherein, The petroleum sample storage box (2) is provided with an observation window (15) corresponding to the liquid storage cavity (7), a plurality of groups of observation windows (15) are arranged corresponding to the liquid storage cavity (7), each group of observation windows (15) is provided with two observation windows (15), the observation windows (15) are provided with scale lines, and the scale lines of the two observation windows (15) are arranged horizontally and vertically.

5. The sampler of claim 1, wherein, The sampling pipes (16) are uniformly provided with scale lines, and the petroleum delivery pump (5) is communicated with the sampling pipes (16) and the multi-way valve (4) respectively.

6. The sampler of claim 1, wherein, The multi-way valve (4) is threadedly communicated with a waste liquid discharge pipe (17).

7. The sampler of claim 6, wherein, The waste liquid discharge pipe (17) and the sampling pipe (16) are both installed with a filter screen cylinder (18).

8. The sampler of claim 1, wherein, The petroleum sample storage box (2) is installed with a load-bearing support (19), and the pipe coiler (6) is provided with a guide wheel (20).

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