CN211201890U - An oil well head oil receiving device - Google Patents

Abstract

The utility model belongs to the technical field of the oil recovery trade is changed sealed packing and is vented to the air at the oil well wellhead, concretely relates to oil well wellhead connects oily device. Associated gas is in crude oil the utility model discloses a gas vent discharges several meters through rubber hose and gives off in the air, reduces the quantity in associated gas gets into the woven bag, alleviates its injury to operating personnel eyes, respiratory. The utility model discloses stopped oil gas mixed loading, avoided the induction of accidents such as conflagration, explosion. The utility model has the advantages of being simple in structure and convenient in operation, excellent in use effect, practicality are strong, but wide application in the receipt of oil production on-the-spot oil well wellhead unloading crude oil of production.

Description

An oil well head oil receiving device

technical field

The utility model belongs to the technical field of oil recovery in the oil production industry in the oil well wellhead replacement sealing packing venting, and in particular relates to an oil well wellhead oil receiving device.

Background technique

At the oil production site, due to the replacement of oil well sealing packing, the crude oil in the pipeline needs to be vented first. The approach taken on site is: employees carry woven bags and pick up oil at the vent valve at the wellhead of the oil well. The distance between employees and the woven bag is very close, and the associated gas volatilized from the crude oil has great damage to the operator's eyes and respiratory system, and is easy to cause oil and gas poisoning; and the oil and gas are mixed in the woven bag, because the associated gas is flammable. , explosive and other characteristics, it is easy to cause fire and explosion, therefore, the operation in the prior art has a great potential safety hazard.

Utility model content

The utility model provides an oil wellhead oil receiving device, one of the purposes is to provide an oil well wellhead oil receiving device that can effectively prevent the associated gas in the crude oil from harming the eyes and respiratory systems of the staff at the wellhead; the second purpose is to provide a wellhead oil receiving device; The utility model relates to an oil wellhead oil connection device for avoiding safety accidents caused by the mixing of oil and gas.

For achieving the above object, the technical scheme adopted by the present utility model is:

An oil receiving device for an oil well head, comprising a container; an oil inlet is opened in the upper part of the side wall of the container, an oil inlet is connected to the oil inlet, and an oil inlet valve is connected to the oil inlet; the container is connected to an oil inlet The lower part of the side wall opposite to the port is provided with an oil outlet, the oil outlet is connected with an oil outlet pipe, and the oil outlet pipe is connected with an oil outlet valve; an exhaust port is opened on the upper surface of the container, and the exhaust port is connected with an exhaust port. The air pipe is connected with an exhaust valve; the upper bottom surface of the container close to the oil inlet is connected with a buffer plate with holes on the surface, and the distance from the lower part of the buffer plate to the bottom surface of the container is smaller than the oil inlet The distance from the mouth to the bottom.

The buffer plate is obliquely connected in the container.

There are a plurality of holes on the surface of the buffer plate.

The diameter of the holes on the surface of the buffer plate is 2-6mm.

The included angle between the upward direction of the buffer plate and the vertical upward direction is 20°-45°.

The diameters of the oil outlet, oil inlet and exhaust port are all φ15mm.

The oil outlet is connected with a 90° elbow.

The container used is an iron drum.

The oil inlet valve, oil outlet valve and exhaust valve are all made of copper ball valve, and the size of the ball valve is DN15mm.

The oil outlet pipe is inclined downward.

Beneficial effects:

(1) Associated gas in crude oil is discharged through the rubber hose for several meters in the air through the exhaust port of the present utility model, which reduces the quantity of associated gas entering the woven bag and reduces the damage to the operator's eyes and respiratory system.

(2) The utility model eliminates the mixing of oil and gas, and avoids the induction of accidents such as fire and explosion.

(3) The utility model has the advantages of simple structure, convenient operation, good use effect and strong practicability, and can be widely used in the reception of emptying crude oil at the wellhead of oil wells in oil production and production sites.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly, and to implement it according to the contents of the description, the following describes the preferred embodiments of the present invention and the accompanying drawings in detail. Such as later.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of the present utility model.

In the picture: 1-iron barrel; 2-oil inlet pipe; 3-oil inlet valve; 4-buffer plate; 5-oil outlet valve; 6-oil outlet pipe; 7-exhaust valve; 8-exhaust pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1:

According to an oil wellhead oil receiving device shown in FIG. 1, it includes a container 1; an oil inlet is opened in the upper part of the side wall of the container 1, and an oil inlet pipe 2 is connected to the oil inlet, and the oil inlet pipe 2 is connected to the upper part of the oil inlet. There is an oil inlet valve 3; an oil outlet is opened on the lower part of the side wall opposite to the oil inlet on the container 1, and the oil outlet is connected with an oil outlet pipe 6, and the oil outlet pipe 6 is connected with an oil outlet valve 5; the container 1 The upper surface is provided with an exhaust port, the exhaust port is connected with an exhaust pipe 8, and the exhaust pipe 8 is connected with an exhaust valve 7; the upper bottom surface of the container 1 close to the oil inlet is connected with a surface The buffer plate 4 is provided with holes, the distance from the lower part of the buffer plate 4 to the bottom surface of the container 1 is smaller than the distance from the oil inlet to the bottom surface.

In actual use, one end of the oil inlet pipe 2 is welded with the oil inlet, and the other end of the oil inlet pipe 2 is connected to the vent valve on the wellhead of the oil well in the prior art through a rubber hose; Under the action of pressure, the pressurized crude oil flows into the container 1 and collides with the buffer plate 4, the oil and gas are further separated, the gas passes through the holes on the surface of the buffer plate 4, and the crude oil droplets flow to the bottom of the container 1 by their own weight and flow to the bearing through the oil outlet valve 5. In the woven bag, the gas is discharged from the exhaust valve 7 on the upper part of the container 1. In order to minimize the harm of the discharged gas to personnel, the output end of the exhaust pipe 8 can also be connected to a rubber hose of several meters, and the associated gas is discharged into the atmosphere from there.

The utility model has the advantages of simple structure, convenient operation, good use effect and strong practicability, effectively reducing the gas damage to the operator's eyes and respiratory system, and reducing the risk of occupational diseases, and can be widely used in the production of oil wellhead crude oil on oil production sites. take over.

Embodiment 2:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that the buffer plate 4 is connected in the container 1 in an inclined manner.

Preferably, the angle between the upward direction of the buffer plate 4 and the vertical upward direction is 20°-45°.

In actual use, the technical sub-scheme that the buffer plate 4 is connected obliquely in the container 1 allows the crude oil to flow into the container 1 to collide with the buffer plate 4 sufficiently, and the oil and gas are further separated more thoroughly.

Embodiment three:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that there are a plurality of holes on the surface of the buffer plate 4 .

Preferably, the hole diameter of the surface holes of the buffer plate 4 is 2-6 mm.

In actual use, the buffer plate 4 adopts the technical solution of the present invention, so that the separated gas can be fully discharged in time, and the occurrence of safety accidents caused by subsequent oil and gas mixing can be avoided.

Embodiment 4:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that the diameters of the oil outlet, the oil inlet and the exhaust port are all φ15mm.

In actual use, the diameter of the oil outlet is designed to be φ15mm in order to be consistent with the diameter of the oil outlet valve, and the connection is convenient. The diameter of the oil inlet is designed to be φ15mm in order to be consistent with the diameter of the wellhead vent valve of the oil well, which is convenient for pipeline connection between the two valves. The diameter of the exhaust port is φ15mm in order to facilitate the connection with the rubber hose of φ15mm commonly used in the field.

Embodiment 5:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that the oil outlet is connected with a 90° elbow.

In actual use, the oil outlet is connected with a 90° elbow, which can change the flow direction of the crude oil, so that it can easily flow out of the container 1 into the woven bag for collection.

Embodiment 6:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that the container 1 adopts an iron barrel.

In actual use, the container 1 adopts an iron barrel, which can not only well realize the functions of collecting, accommodating and separating, but also has a low cost. Especially in specific applications, waste oil drums can also be used as containers for waste utilization, which effectively reduces costs.

Embodiment 7:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that the oil inlet valve 3 , the oil outlet valve 5 and the exhaust valve 7 are all made of copper ball valves, and the size of the ball valve is DN15mm .

In actual use, the oil inlet valve 3, the oil outlet valve 5 and the exhaust valve 7 are all made of copper ball valves in order to avoid ignition accidents caused by sparks caused by iron collisions in oil and gas places. The internal structure of the ball valve makes it easy to open and close quickly and improve work efficiency. The size of the ball valve is DN15mm, in order to ensure that the diameter of the pipeline connected to it is consistent.

Embodiment 8:

According to an oil wellhead oil receiving device shown in FIG. 1 , the difference from the first embodiment is that the oil outlet pipe 6 is inclined downward.

In actual use, the technical solution that the oil outlet pipe 6 is inclined downwardly makes the effect of oil outlet by its own weight better.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

If there is no conflict, those skilled in the art can combine the relevant technical features in the above examples according to the actual situation to achieve corresponding technical effects.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the difference between the various components under a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for description purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature.

The above descriptions are only the preferred embodiments of the present invention, and the present invention will not be limited to the embodiments shown herein, but should conform to the best practices consistent with the principles and novel features disclosed herein. wide range. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides an oil well wellhead connects oily device which characterized in that: comprising a container (1); an oil inlet is formed in the middle upper part of the side wall of the container (1), the oil inlet is connected with an oil inlet pipe (2), and the oil inlet pipe (2) is connected with an oil inlet valve (3); an oil outlet is formed in the lower portion of the side wall, opposite to the oil inlet, of the container (1), the oil outlet is connected with an oil outlet pipe (6), and the oil outlet pipe (6) is connected with an oil outlet valve (5); an exhaust port is formed in the upper surface of the container (1), the exhaust port is connected with an exhaust pipe (8), and an exhaust valve (7) is connected to the exhaust pipe (8); the upper bottom surface of the container (1) close to the oil inlet is connected with a buffer plate (4) with holes on the surface, and the distance from the lower part of the buffer plate (4) to the bottom surface of the container (1) is less than the distance from the oil inlet to the bottom surface.

2. An oil well wellhead oil receiving device as claimed in claim 1, wherein: the buffer plate (4) is obliquely connected in the container (1).

3. An oil well wellhead oil receiving device as claimed in claim 2, wherein: a plurality of holes are arranged on the surface of the buffer plate (4).

4. An oil well wellhead oil receiving device as claimed in claim 2, wherein: the aperture of the surface hole of the buffer plate (4) is 2-6 mm.

5. An oil well wellhead oil receiving device as claimed in claim 2, wherein: the included angle between the upward direction of the buffer plate (4) and the vertical upward direction is 20-45 degrees.

6. An oil well wellhead oil receiving device as claimed in claim 1, wherein: the diameters of the oil outlet, the oil inlet and the air outlet are all phi 15 mm.

7. An oil well wellhead oil receiving device as claimed in claim 1 or 6, wherein: the oil outlet is connected with a 90-degree elbow.

8. An oil well wellhead oil receiving device as claimed in claim 1, wherein: the container (1) adopts an iron barrel.

9. An oil well wellhead oil receiving device as claimed in claim 1, wherein: the oil inlet valve (3), the oil outlet valve (5) and the exhaust valve (7) are all copper ball valves, and the size of each ball valve is DN15 mm.

10. An oil well wellhead oil receiving device as claimed in claim 1, wherein: the oil outlet pipe (6) is arranged in a downward inclined mode.

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