CN218669347U - Oil gas well head sampler - Google Patents

Abstract

The utility model provides an oil gas well mouth sampler, which comprises a sampler body, a sampling bottle and a leakage-proof structure; the anti-leakage structure seals the bottle mouth of the sampling bottle after sampling is finished; through setting up the anti-leakage structure, can accomplish the back in the sample, when dismantling the sample bottle, it is sealed with the sample bottle through preventing leaking the structure to avoid taking place the problem of revealing.

Description

Oil gas well head sampler

Technical Field

The utility model relates to an oil gas well technical field specifically is oil gas well head sampler.

Background

The well mouth sampling and testing is an important process step in oil field production, the water content of the oil field output liquid is obtained through the well mouth sampling and testing, and the oil yield of the oil field oil well is calculated.

The mineral water bottle that utilizes idle among the prior art generally takes a sample as the sampling bottle and takes a sample, and the staff needs one hand to hold the sampling bottle and aim at the mouth of pipe of sampling pipeline, and another hand carries out the switching operation to the cock valve on the sampling pipeline. Because the pressure of the oilfield produced liquid at the wellhead of the oilfield is high, one hand of an operator cannot stably and reliably butt the sampling bottle with the pipe orifice of the sampling pipeline in the sampling process, so that the problems that the oilfield produced liquid is easily splashed outside the sampling bottle or the sampling bottle falls off from the hand of the operator and the like are easily caused, and the adverse consequences of polluting the environment or hurting the operator are caused.

In order to solve the problems, the application numbers are as follows: 201822245971.9 proposes a well head sampler, the first end of which is in threaded connection with the pipe orifice of a sampling pipeline, the second end of which is in threaded connection with the bottle mouth of a sampling bottle, and the well head sampler is provided with a flow passage for communicating the sampling pipeline with the sampling bottle.

Above-mentioned utility model provides an artifical handheld sampling bottle among the prior art take a sample to the sampling bottle that leads to can't with the problem of the reliable butt joint of sampling pipeline in the sampling process.

The application numbers are: the 201520090653.3 patent also proposes a wellhead sampler for oil and gas wells. The utility model discloses a separator, base, pipeline and buffering bucket, separator bottom be connected with the base, the quick-operation joint butt joint of every pipeline forms the confined pipeline, pipeline and buffering bucket be connected, top portion is fixed on the separator top, top portion and inside switching on and connecting of separator.

Above-mentioned utility model oil well output's liquid is from the bottom with separator air escape clean, makes the gas and the liquid separation that get into the separator to get the fresh gas appearance. The utility model has simple operation, the whole process is carried out in a completely closed device, and the device has the characteristics of high pressure resistance and explosion resistance; the utility model discloses still be provided with visual window, conveniently observe the inside liquid sample condition of sampler. Additionally, the utility model discloses manufacturing cost is not high, simple structure, and the practicality is strong, the utility model discloses be fit for popularizing and applying at relevant technical field.

However, after the sampling of the sampling bottles (sampling bags) of the two utility model patents is completed, the sampling bottles need to be separated from the sampler, in the process, the gas in the sampling bottles can leak, and the liquid can also have the risk of volatilization or leakage, so that the environment can be polluted; on the other hand, once the leaked gas or liquid is toxic, safety accidents are easily caused.

An object of the utility model is to provide an oil gas well head sampler to solve the problem of mentioning in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

In order to realize the purpose, the utility model provides an oil gas well mouth sampler, which comprises a sampler body, a sampling bottle and a leakage-proof structure; the anti-leakage structure seals the bottle mouth of the sampling bottle after sampling is completed.

Preferably, the leakage-proof structure comprises a rubber hose, one end of the rubber hose is connected with the sampling bottle, and the other end of the rubber hose is connected with the sampler body.

Preferably, the sampler also comprises a connecting ring, the inner diameter of the connecting ring decreases gradually from one side to the other side, the inner wall of the connecting ring and the outer wall of one side of the sampler body, which is provided with the notch, are provided with threads which are matched with each other, and the inner wall of the connecting ring and the outer wall of one side of the sampling bottle, which is provided with the notch, are provided with threads which are matched with each other.

Preferably, the rubber hose is fixed by a clamp.

Preferably, the sampler body with the one end that rubber hose connects is equipped with at least one spacing ring that turns up outwards, the sample bottle with the one end that rubber hose connects is equipped with at least one spacing ring that turns up outwards.

Preferably, the leakage discharging structure comprises a rubber plug, the rubber plug is arranged at a bottleneck of the sampling bottle, the sampling bottle is detachably connected with the sampler body, a drainage tube communicated with two ends of the sampler body is arranged in the sampler body, and the drainage tube penetrates through the rubber plug and then extends into the sampling bottle.

Preferably, the sampling bottle also comprises a bottle cap, and the bottle cap is used for secondarily sealing the sampling bottle.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up the anti-leakage structure, can accomplish the back in the sample, when dismantling the sample bottle, it is sealed with the sample bottle through preventing leaking the structure to avoid taking place the problem of revealing.

Drawings

FIG. 1 is a schematic view of the installation structure of the rubber hose of the present invention;

fig. 2 is a schematic view of the connection ring mounting structure of the present invention;

FIG. 3 is a schematic view of a sampling bottle with a position-limiting ring according to the present invention;

FIG. 4 is a schematic view of the rubber stopper mounting structure of the present invention;

fig. 5 is a cross-sectional view of the bottle cap of the present invention.

In the figure: 1. a sampler body; 2. sampling a bottle; 3. a leakage prevention structure; 31. a rubber hose; 32. a rubber stopper; 311. a connecting ring; 312. a limiting ring; 321. a drainage tube; 322. and (7) a bottle cap.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, and on the contrary, these embodiments are provided so as to make the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, 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 belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1-5, the utility model provides an oil gas well wellhead sampler, which comprises a sampler body 1, a sampling bottle 2 and a leakage-proof structure 3; and the anti-leakage structure 3 seals the bottle mouth of the sampling bottle 2 after sampling is finished.

Example two

Please refer to fig. 1 again, the leakage-proof structure 3 includes a rubber hose 31, two ends of the rubber hose 31 are respectively connected to the sampling bottle 2 and the sampler body 1, so that the sampling bottle 2 can be sealed by tightening the rubber hose 31 after sampling is completed, and then the rubber hose 31 is separated from the end connected to the sampler body 1 to complete sampling, which will not cause leakage.

EXAMPLE III

Please refer to fig. 2 again, in order to fix the rubber hose 31, the inner diameter of the connection ring 311 is specified to decrease gradually from one side to the other side by the connection ring 311, at least one notch is respectively arranged at the end of the sampler body 1 connected with the rubber hose 31 and the opening of the sampling bottle 2, then the rubber hose 31 is sleeved on the outer walls of the sampler body 1 and the sampling bottle 2, and the rubber hose is fixed by rotating the connection ring 311 and matching the notches by the action of the screw thread.

Example four

Please refer to fig. 3 again, which is different from the second embodiment in that the rubber hose 31 is fixed by a clamp, in order to further improve the fixing effect of the clamp, at least one outward-protruding limiting ring 312 is disposed on both the outer wall of the sampler body 1 and the open end of the sampling bottle 2, and the limiting ring 312 may be in various shapes, such as a cone, a semicircle, etc.;

it should be noted that the third embodiment and the fourth embodiment can be used in combination.

EXAMPLE five

Please refer to fig. 4 heavily, the leakage-proof structure includes a rubber stopper 32, the rubber stopper 32 is installed at the bottleneck of the sampling bottle 2, the sampling bottle 2 is sealed by the rubber stopper 32, in order to ensure the sealing performance in the sampling process, the sampling bottle 2 is detachably connected (in a threaded connection, a clamping connection, etc.) with the sampler body 1, in order to realize sampling, a drainage tube 321 is arranged in the sampler body 1, the length of the drainage tube 321 should penetrate the rubber stopper 32 and extend into the sampling bottle 2 after the sampling bottle 2 is connected and fixed with the sampler body 1, the front end of the drainage tube 321 is provided with an inclined surface, so that the rubber stopper 32 can be conveniently inserted, after sampling is completed, when the sampling bottle 2 and the sampler body 1 are separated, the drainage tube 321 is pulled out from the rubber stopper 32, and the small hole pierced by the drainage tube 321 is reduced when the rubber stopper 32 is deformed, so as to prevent leakage.

EXAMPLE six

Please refer to fig. 5 again, in order to further seal the sampling bottle 2 in the fifth embodiment, a bottle cap 322 is further provided, the bottle cap 322 covers the mouth of the sampling bottle 2, so as to realize secondary sealing, and in order to ensure the sealing performance of the bottle cap 322, a sealing gasket may be provided in the bottle cap 322.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (6)

1. Oil gas well head sampler, its characterized in that: comprises a sampler body (1), a sampling bottle (2) and a leakage-proof structure (3);

the anti-leakage structure (3) seals the bottle mouth of the sampling bottle (2) after sampling is finished;

the leakage-proof structure (3) comprises a rubber hose (31), one end of the rubber hose (31) is connected with the sampling bottle (2), and the other end of the rubber hose (31) is connected with the sampler body (1).

2. An oil and gas well wellhead sampler as claimed in claim 1, wherein: still include go-between (311), the internal diameter of go-between (311) decreases progressively from one side to the opposite side in proper order, the inner wall of go-between (311) with the outer wall that sampler body (1) was equipped with breach one side all is equipped with the screw thread of mutually supporting, the inner wall of go-between (311) with the outer wall that sampling bottle (2) was equipped with breach one side all is equipped with the screw thread of mutually supporting.

3. An oil and gas well wellhead sampler as claimed in claim 2, wherein: the rubber hose (31) is fixed by a hoop.

4. An oil and gas well wellhead sampler as claimed in claim 2, wherein: the sampler body (1) with the one end that rubber hose (31) are connected is equipped with at least one spacing ring (312) that outwards turns up, sample bottle (2) with the one end that rubber hose (31) are connected is equipped with at least one spacing ring (312) that outwards turns up.

5. An oil and gas well wellhead sampler as claimed in claim 1, wherein: prevent leaking structure (3) and include rubber stopper (32), rubber stopper (32) set up the bottleneck department of sampling bottle (2), sampling bottle (2) with the connection can be dismantled in sampler body (1), be equipped with the intercommunication in sampler body (1) drainage tube (321) at sampler body (1) both ends, drainage tube (321) run through stretch into behind rubber stopper (32) in sampling bottle (2).

6. An oil and gas well wellhead sampler as claimed in claim 5, wherein: the sampling bottle is characterized by further comprising a bottle cap (322), wherein the bottle cap (322) is used for sealing the sampling bottle (2) for the second time.

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