CN212254729U - Oil development sample oil reservoir sampling device - Google Patents

Abstract

The utility model provides an oil exploitation sample oil layer sampling device, which comprises a device body, wherein a sampling temporary storage cylinder in the vertical direction is arranged in the middle of the device body, and a straight-through check valve is fixedly arranged at the center of the end face at the bottom of the sampling temporary storage cylinder through threads; the top of the sampling temporary storage cylinder is fixedly provided with an anti-falling limiting cover through threads, and the left side and the right side of the top of the anti-falling limiting cover are fixedly provided with lifting moving ropes in the vertical direction; a section of thick bamboo is kept in sample is inside to be placed and to install the extraction piston piece, and extracts the oil reservoir extraction rope of piston piece top fixed mounting orientation from top to bottom. The setting of a section of thick bamboo is kept in the sample, conveniently extracts the piston piece and places the installation and in inside rebound extraction oil sample, and the convenient straight-through check valve passes through thread fixed mounting and realizes only advancing not to go out in the bottom, has realized sealing when conveniently taking a sample, has solved the unrestrained problem of shaking out easily at the in-process that rises.

Description

Oil development sample oil reservoir sampling device

Technical Field

The utility model belongs to the technical field of sampling device, especially, relate to an oil development sample oil reservoir sampling device.

Background

Oil extraction refers to the act of excavating and extracting oil in places where oil is stored. During the process of oil production, oil and gas flow from the reservoir to the well bottom and rise from the well bottom to the well top. Petroleum is a fluid mineral buried deep in the ground. At first, oily liquid minerals produced in nature are called petroleum, combustible gas is called natural gas, and solid combustible oily minerals are called asphalt.

Based on the above, the inventor finds that the external part of the oil layer sampling device in the existing oil exploitation well is not provided with any buffer protection, the device is easy to be damaged by touching the wall in the lifting process, the process of pumping water in the well like a bucket needs to be completely immersed for sampling, and the device cannot be closed and is easy to shake out and spill in the lifting process.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a sampling device for an oil layer of an oil exploitation sample is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an oil development sample oil reservoir sampling device to solve in the current oil development well oil reservoir sampling device outside do not have any buffering protection and bump the wall fish tail and damage easily at the lift in-process, the process of similar cask fetching water in the well needs complete submergence just can take a sample, and can not seal and shake out unrestrained problem easily at the in-process that rises.

The utility model discloses oil development sample oil reservoir sampling device's purpose and efficiency are reached by following concrete technical means:

an oil layer sampling device for an oil exploitation sample comprises a device body, wherein a sampling temporary storage cylinder in the vertical direction is arranged in the middle of the device body, and a straight-through one-way valve is fixedly installed in the center of the end face of the bottom of the sampling temporary storage cylinder through threads; the top of the sampling temporary storage cylinder is fixedly provided with an anti-falling limiting cover through threads, and the left side and the right side of the top of the anti-falling limiting cover are fixedly provided with lifting moving ropes in the vertical direction; an extraction piston block is arranged in the sampling temporary storage cylinder, and an oil layer extraction rope in the vertical direction is fixedly arranged at the top of the extraction piston block; the buffering guard plate of direction about the sample section of thick bamboo outside circumference is installed through fixed pin ring array and is located, and all overlaps about the buffering guard plate inboard and be equipped with buffering post spring.

Further, the peripheral annular array of sample temporary storage barrel head face bottom is provided with four support columns, and sample temporary storage barrel bottom plate center is provided with the section of thick bamboo that runs through from top to bottom of taking the internal thread, and the equal annular array in sample temporary storage barrel outside circumference upper portion and lower part is provided with the spacing section of thick bamboo in four belt strap holes, and the external circumference in sample temporary storage barrel top is seted up threaded spacing annular groove.

Furthermore, the whole buffer protection plate is of an arc-shaped plate structure, and limit columns with upper and lower through holes at the end parts are arranged in the middle of the inner side of the buffer protection plate.

Furthermore, the threading venthole that runs through from top to bottom is seted up at spacing lid center of anticreep, and the spacing lid top end surface left and right sides of anticreep all is provided with the rope and hangs and put the ring.

Furthermore, the whole concave cylindrical structure that is of extraction piston block, and the inside concave plectane that is provided with central threaded hole of extraction piston block, extraction piston block top center is through thread fixed mounting hang and put the ring.

Compared with the prior art, the utility model discloses following beneficial effect has:

buffering guard plate's setting, convenient spacing post inserts the spacing section of thick bamboo of sample of keeping in inside and through the spacing fixed anticreep of fixed pin, makes things convenient for buffering post spring suit to realize the striking buffering on spacing post, has solved not buffering protection and has bumped the problem that the wall fish tail damaged easily at the lift in-process.

The setting of a section of thick bamboo is kept in the sample, conveniently extracts the piston piece and places the installation and in inside rebound extraction oil sample, and the convenient straight-through check valve passes through thread fixed mounting and realizes only advancing not to go out in the bottom, has realized sealing when conveniently taking a sample, has solved the unrestrained problem of shaking out easily at the in-process that rises.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a left side view structure diagram of the present invention.

Fig. 4 is a schematic bottom view of the present invention.

In the figure: 1. a device body; 2. a straight-through check valve; 3. a sampling temporary storage cylinder; 4. a buffer protection plate; 5. a strut spring; 6. an anti-drop limit cover; 7. lifting the moving rope; 8. extracting a rope from an oil layer; 9. the piston block is extracted.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides an oil exploitation sample oil layer sampling device, which comprises a device body 1, wherein a sampling temporary storage cylinder 3 in the up-and-down direction is arranged in the middle of the device body 1, and a straight-through check valve 2 is fixedly arranged at the center of the bottom end face of the sampling temporary storage cylinder 3 through threads; the top of the sampling temporary storage barrel 3 is fixedly provided with an anti-falling limiting cover 6 through threads, the center of the anti-falling limiting cover 6 is provided with a threading air outlet hole which penetrates through the anti-falling limiting cover up and down, rope hanging rings are arranged on the left side and the right side of the end surface of the top of the anti-falling limiting cover 6, an oil layer extraction rope 8 can be conveniently installed and moved, air is discharged from an upper cavity of the sampling temporary storage barrel 3, a lifting moving rope 7 can be conveniently and fixedly installed, and the lifting moving ropes 7 in the up-down direction are fixedly installed on; an extraction piston block 9 is arranged in the sampling temporary storage cylinder 3, the extraction piston block 9 is integrally of a concave cylindrical structure, a concave circular plate with a threaded hole in the center is arranged in the extraction piston block 9, a hanging ring is fixedly arranged at the center of the top of the extraction piston block 9 through threads, the extraction piston block is convenient to mutually fit with the bottom of the inside of the sampling temporary storage cylinder 3, the stress capacity and the installation of the hanging ring are convenient to strengthen, the fixed installation of an oil layer extraction rope 8 is convenient, and the oil layer extraction rope 8 in the vertical direction is fixedly arranged at the top of the extraction piston block 9; buffering guard plate 4 of direction about the four places is installed through fixed pin circular array to the outside circumference of a section of thick bamboo 3 of keeping in a sample, and all overlaps about 4 inboard buffering guard plates and is equipped with buffering post spring 5.

Wherein, the peripheral annular array of 3 bottom end faces of a section of thick bamboo of keeping in the sample is provided with the support column of four places, and the sample keeps in 3 bottom plate centers of a section of thick bamboo and is provided with the section of thick bamboo that runs through from top to bottom of taking the internal thread, the sample keeps in 3 outside circumference upper portions of a section of thick bamboo and the equal annular array in lower part of a section of thick bamboo and is provided with the spacing section of thick bamboo in strip shape hole of four places, the sample keeps in 3 outside circumferences in top of a section of thick bamboo and offers the spacing annular groove of taking the thread, conveniently place and prevent the direct check valve 2 of fish tail on ground, the convenient direct check.

Wherein, the whole arc platelike structure that is of buffering guard plate 4, and the buffering guard plate 4 inboard middle spacing post that all is provided with the upper and lower through hole of tip band from top to bottom, make things convenient for the atress buffering, conveniently insert the sample and keep in a 3 spacing section of thick bamboos inside and through the fixed pin installation of keeping in.

The specific use mode and function of the embodiment are as follows:

in the utility model, the device body 1 is taken out under the state as shown in figure 1 when in use, the device body 1 is put into an oil well through the lifting moving rope 7, the descending depth is measured in advance, when the lower end of the sampling temporary storage cylinder 3 is immersed in oil, the oil layer extracting rope 8 is slowly and upwardly dragged, the oil layer extracting rope 8 drives the extracting piston block 9 to move upwardly, the extracting piston block 9 is put into a cavity to generate negative pressure to suck the oil into the oil through the through one-way valve 2, the device body 1 is moved up through the lifting moving rope 7 after sampling is finished to take out the oil well to be placed on the ground, the anti-drop limit cover 6 is rotated and disassembled, the extracting piston block 9 is pulled out of the sampling temporary storage cylinder 3 through the oil layer extracting rope 8, and then the oil is poured into a storage bottle; when the lifting or descending touches the well wall, the buffer protection plate 4 is stressed to compress the buffer column spring 5 to realize buffering, and the straight-through one-way valve 2 only can enter and cannot exit to realize sealing, so that the overflow in the moving process is prevented; the buffer protection plate 4 is convenient for the limiting column to be inserted into the limiting cylinder of the sampling temporary storage cylinder 3 and is limited, fixed and anti-falling through a fixing pin, and a buffer column spring 5 is convenient to be sleeved on the limiting column to realize impact buffering, so that the problem that no buffer protection is easy to collide with the wall and scratch and damage in the lifting process is solved; wherein a section of thick bamboo 3 of keeping in takes a sample conveniently extracts piston block 9 and places and install and extract oil sample at inside rebound, makes things convenient for straight-through check valve 2 to pass through thread tightening to install and realize only advancing not to go out in the bottom, has realized sealing when conveniently taking a sample, has solved the unrestrained problem of shaking out easily at the in-process that rises.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides an oil development sample oil reservoir sampling device which characterized in that: comprises a device body (1); a sampling temporary storage cylinder (3) in the vertical direction is arranged in the middle of the device body (1), and a through one-way valve (2) is fixedly installed in the center of the bottom end face of the sampling temporary storage cylinder (3) through threads; the top of the sampling temporary storage barrel (3) is fixedly provided with an anti-falling limiting cover (6) through threads, and the left side and the right side of the top of the anti-falling limiting cover (6) are fixedly provided with lifting moving ropes (7) in the vertical direction; an extraction piston block (9) is arranged in the sampling temporary storage cylinder (3), and an oil layer extraction rope (8) in the vertical direction is fixedly arranged at the top of the extraction piston block (9); the buffering guard plate (4) of direction about the sample section of thick bamboo of keeping in (3) outside circumference is installed through fixed pin ring array, and all overlaps about buffering guard plate (4) inboard and is equipped with buffering post spring (5).

2. The oil recovery sample reservoir sampling device of claim 1, wherein: the sample is kept in a section of thick bamboo (3) bottom terminal surface peripheral annular array and is provided with four support columns, and the sample is kept in a section of thick bamboo (3) bottom plate center and is provided with the upper and lower section of thick bamboo that runs through of in-band screw thread, and the sample is kept in a section of thick bamboo (3) outside circumference upper portion and the equal annular array in lower part and is provided with the spacing section of thick bamboo in four belt strap holes, and the sample is kept in a section of thick bamboo (3) top outside circumference and.

3. The oil recovery sample reservoir sampling device of claim 1, wherein: the whole buffering protection plate (4) is of an arc-shaped plate-shaped structure, and limiting columns with upper and lower through holes at the end parts are arranged in the middle of the inner side of the buffering protection plate (4) from top to bottom.

4. The oil recovery sample reservoir sampling device of claim 1, wherein: threading ventholes which run through from top to bottom are formed in the center of the anti-falling limiting cover (6), and rope hanging rings are arranged on the left side and the right side of the top end face of the anti-falling limiting cover (6).

5. The oil recovery sample reservoir sampling device of claim 1, wherein: the extraction piston block (9) is integrally of a concave cylindrical structure, a concave circular plate with a threaded hole in the center is arranged inside the extraction piston block (9), and a hanging ring is fixedly mounted at the center of the top of the extraction piston block (9) through threads.

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