CN111337297A

CN111337297A - Proppant sampling device

Info

Publication number: CN111337297A
Application number: CN202010154081.6A
Authority: CN
Inventors: 何溪
Original assignee: Chengdu Jiashide Technology Co ltd
Current assignee: Chengdu Jiashide Technology Co ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-06-26

Abstract

The invention discloses a proppant sampling device, which comprises a main body and a material storage cavity, wherein a feeding groove is arranged at the top of the main body, a plurality of material holes are uniformly formed in the bottom of the feeding groove, a material hole inclined plane is formed in the top of each material hole, sliding grooves are formed in two sides of the inner wall of the feeding groove, a top material blocking sliding plate is arranged inside the feeding groove, a discharge outlet is formed in the left side of the main body, a material blocking block is placed in the discharge outlet, a bottom material blocking sliding plate is arranged at the bottom of each material hole, the material storage cavity is fixed at the bottom of the main body, and a sampling port is formed in the bottommost part of the material storage cavity.

Description

Proppant sampling device

Technical Field

The invention relates to the field of chemical material sampling, in particular to a proppant sampling device.

Background

The fracturing production increase is an important new technology for the production increase of low-permeability oil and gas wells of petroleum and natural gas. The proppant is a key material for fracturing construction. The proppant is natural sand or artificial high-strength ceramic particles with certain granularity and gradation. The ceramsite proppant is prepared by taking bauxite as a raw material and performing powder granulation and sintering, has the characteristics of high temperature resistance, high pressure resistance, corrosion resistance, high strength, high flow conductivity, low density, low breakage rate and the like, and is most widely used. Most of the existing proppant sampling devices are large-capacity proppant samplers, which have large sampling capacity and low accuracy, and the sampling accuracy is not satisfied when the proppant sampling device is used for sampling with small capacity.

Disclosure of Invention

The invention aims to solve the defects that the existing proppant sampling device is mostly a large-capacity proppant sampler, the sampling capacity is large, the accuracy degree is low, the sampling accuracy is not met in small-capacity sampling, and the like, and provides a proppant sampling device.

In order to achieve the purpose, the invention is specifically realized by the following technical scheme:

the utility model provides a proppant sampling device, comprising a main body, the top of main part has the pan feeding groove, the bottom evenly distributed in pan feeding groove has a plurality of material holes, the top in material hole has material hole inclined plane, the top sliding connection in pan feeding groove has the top to hinder the material slide, the main part is kept away from the top and is hindered the one end that the material slide had the bin outlet, it establishes at the bin outlet to hinder inside the inlaying of material piece, it extends the main part outside and can dismantle with the main part and be connected to hinder the material piece outside, the inside sliding connection in pan feeding groove has the bottom to hinder the material slide, and the bottom hinders the bottom below that the material slide is located the material hole, the bottom of main part is provided with the storage cavity, the bottommost of storage cavity has the sample connection, the top in material.

In an optional implementation manner of the proppant sampling device, the inner walls of the two sides of the feeding groove in the length direction are provided with sliding grooves, the top of the feeding groove is connected with a top material blocking sliding plate through sliding grooves, and the inside of the feeding groove is connected with a bottom material blocking sliding plate through sliding grooves.

In an alternative implementation of the proppant sampling device described above, the thickness of the top check slide is greater than the thickness of the bottom check slide.

In an optional implementation manner of the proppant sampling device, the main body and the storage cavity are fixedly connected through an adhesive, and both are made of a plastic transparent material.

In an optional implementation manner of the proppant sampling device, the storage cavity and the sampling port at the bottom of the storage cavity are of an integrally formed structure, and the bottom of the storage cavity is an inclined surface.

In an optional implementation manner of the proppant sampling device, the diameter of the material hole is slightly larger than that of the proppant particle, the size and the internal capacity of all the material holes are the same, and the capacity of the single material hole is equal to that of the minimum sampling proppant.

In an alternative implementation of the proppant sampling device described above, wherein the cross-sectional area of the blocking block is greater than the cross-sectional area of the discharge opening, the bottom of the discharge opening is flush with the upper surface of the bottom of the feed chute.

Compared with the prior art, the invention has the beneficial effects that: the sampling device is simple in overall structure, low in manufacturing cost, capable of accurately controlling the sampling volume of the granular proppant, high in using flexibility and mainly used for accurately sampling the small-volume granular proppant.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic diagram of the right view structure of the present invention;

FIG. 4 is a schematic bottom view of the present invention;

FIG. 5 is a schematic top view of the present invention;

FIG. 6 is a schematic cross-sectional view A-A of the present invention;

fig. 7 is a schematic diagram B of a partially enlarged structure according to the present invention.

Wherein the reference numerals are: 1-main body, 2-feeding groove, 3-material hole, 4-material hole inclined plane, 5-top material blocking sliding plate, 6-discharge opening, 7-material blocking block, 8-bottom material blocking sliding plate, 9-material storage cavity, 10-sampling opening and 11-chute.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and the detailed description, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-3, a proppant sampling device, including main part 1, the top of main part 1 has pan feeding groove 2, the bottom evenly distributed of pan feeding groove 2 has a plurality of material holes 3, the top of material hole 3 has material hole inclined plane 4, the top sliding connection of pan feeding groove 2 has the top to hinder material slide 5, main part 1 keeps away from the top and hinders the one end of material slide 5 and has bin outlet 6, it inlays and establishes at bin outlet 6 to hinder material 7 inside, it extends main part 1 outside and can dismantle with main part 1 and be connected to hinder material 7 outside, the inside sliding connection of pan feeding groove 2 has bottom to hinder material slide 8, and the bottom hinders material slide 8 and is located the bottom below of material hole 3, the bottom of main part 1 is provided with storage cavity 9, the bottommost of storage cavity 9 has sample connection 10, the top of material hole 3 link up pan feeding groove 2 through material hole inclined plane 4, material hole 3 bottom link up cavity 9.

As shown in fig. 6, as an optional manner of this embodiment, sliding grooves 11 are respectively formed on inner walls of two sides of the feeding groove 2 along the length direction, the top of the feeding groove 2 is slidably connected to a top material blocking sliding plate 5 through the sliding grooves 11, the inside of the feeding groove 2 is slidably connected to a bottom material blocking sliding plate 8 through the sliding grooves 11, and the thickness of the top material blocking sliding plate 5 is greater than that of the bottom material blocking sliding plate 8; hinder material slide 5 at spout 11 external sliding through the top, the space of pan feeding groove 2 can be released, before filling the proppant into pan feeding groove 2, at first hinder material slide 8 internal sliding to the innermost with the bottom, after the proppant of the material hole 3 of bottom in pan feeding groove 2 fills up, hinder material slide 5 at spout 11 internal sliding through the top, can pass through discharge gate 6 discharge with unnecessary proppant, and block the top of material hole 3, hinder material slide 8 slow external sliding with the bottom, can acquire the sample of certain capacity proppant.

With reference to fig. 4, 5, and 6, as an optional mode of this embodiment, the main body 1 and the material storage chamber 9 are fixedly connected by an adhesive, both are made of a plastic transparent material, the plastic main body 1 and the material storage chamber 9 have low cost, are resistant to falling, have long service life, and the transparent main body 1 and the material storage chamber 9 facilitate observation of the volume of the proppant particles therein; storage cavity 9 is the integrated into one piece structure rather than sample connection 10 of bottom, and the bottom of storage cavity 9 is the inclined plane, and storage cavity 9 is used for temporary storage to come from the proppant of material hole 3 bottom, and the proppant granule is convenient for from sample connection 10 outflow to the storage cavity 9 bottom surface of slope.

Referring to fig. 5 and 6, as an optional mode of this embodiment, the top of each material hole 3 penetrates through the material feeding groove 2 through the material hole inclined plane 4, the bottom of each material hole 3 penetrates through the material storage cavity 9, the material holes 3 and the material storage cavity 9 are separated from each other by the material blocking sliding plate 8 at the bottom, the diameter of each material hole 3 is slightly larger than the diameter of each proppant particle, the sizes and the internal capacities of all the material holes 3 are the same, the capacity of each material hole 3 represents the capacity of a minimum sampling proppant, the proppant particles are convenient to collect into the material holes 3 through the material hole inclined plane 4, the material holes 3 are filled, the minimum sampling capacity in each material hole 3 is sequentially acquired through the material blocking sliding plate 8 at the bottom, the use flexibility of the material holes is high, the sampling capacity is convenient to hold, and the sampling accuracy is effectively improved.

As shown in FIG. 7, as an alternative to this embodiment, the cross-sectional area of the blocking block 7 is larger than that of the discharge opening 6, the bottom of the discharge opening 6 is flush with the bottom surface of the feeding groove 2, when the material is injected into the feeding groove 2, the discharge opening 6 can be temporarily closed by pushing the blocking block 7 into the discharge opening 6, and when the top blocking slide plate 5 slides inward to empty the excess proppant in the feeding groove 2, the proppant can be discharged from the discharge opening 6 by removing the blocking block 7.

The working principle of the invention is as follows: the top material blocking sliding plate 5 slides outwards along the sliding chute 11, the space of the feeding chute 2 is released, before proppant is filled into the feeding chute 2, the bottom material blocking sliding plate 8 slides inwards to the innermost end along the sliding chute 11, the material blocking block 7 is pushed into the discharge port 6 to block the discharge port 6, the material is filled into the feeding chute 2, after the proppant of the material hole 3 at the bottom in the feeding chute 2 is filled, the material blocking block 7 is taken away, the top material blocking sliding plate 5 slides inwards along the sliding chute 11, redundant proppant particles can be discharged through the discharge port 6, then the top material blocking sliding plate 5 blocks the top of the material hole 3, the bottom material blocking sliding plate 8 slides outwards slowly, the minimum sampling capacity in the single material hole 3 is obtained through the bottom material blocking sliding plate 8 in sequence, then the required sampling capacity is obtained through superposition, the use flexibility is high, the sampling capacity is convenient to hold, and the sampling accuracy is effectively improved, the proppant particles finally flow out of the sampling port 10 through the bottom surface of the inclined storage cavity 9, and then the sampling is finished.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A proppant sampling device comprises a main body (1) and is characterized in that a feeding groove (2) is arranged at the top of the main body (1), a plurality of material holes (3) are uniformly distributed at the bottom of the feeding groove (2), a material hole inclined plane (4) is arranged at the top of each material hole (3), a top material blocking sliding plate (5) is connected to the top of the feeding groove (2) in a sliding manner, a discharge hole (6) is formed in one end, far away from the top material blocking sliding plate (5), of the main body (1), a material blocking block (7) is embedded in the discharge hole (6), the outer portion of the material blocking block (7) extends to the outer portion of the main body (1) and is detachably connected with the main body (1), a bottom material blocking sliding plate (8) is connected to the inner portion of the feeding groove (2) in a sliding manner, the bottom material blocking sliding plate (8) is located below the bottom of each material hole (3), a material storage cavity (9) is, the bottommost portion of storage cavity (9) has sample connection (10), pan feeding groove (2) is link up through material hole inclined plane (4) at the top of material hole (3), storage cavity (9) is link up to material hole (3) bottom.

2. A proppant sampling device according to claim 1, characterized in that the inner walls of the feeding groove (2) along the length direction are provided with sliding grooves (11), the top of the feeding groove (2) is slidably connected with a top material blocking slide plate (5) through the sliding grooves (11), and the inside of the feeding groove (2) is slidably connected with a bottom material blocking slide plate (8) through the sliding grooves (11).

3. A proppant sampling device according to claim 2, characterized in that the thickness of said top dam slide (5) is greater than the thickness of the bottom dam slide (8).

4. A proppant sampling device according to claim 3, characterized in that the main body (1) and the storage chamber (9) are fixedly connected by adhesive, and both are made of plastic transparent material.

5. A proppant sampling device according to claim 4, characterized in that the reservoir chamber (9) is of an integrally formed structure with the sampling port (10) at the bottom thereof, and the bottom of the reservoir chamber (9) is beveled.

6. Proppant sampling device according to claim 5, characterized in that the diameter of the charge hole (3) is slightly larger than the diameter of the proppant particle, and the size of all charge holes (3) and their internal volume are the same, the volume of a single charge hole (3) being equal to the volume of the smallest sampling proppant.

7. Proppant sampling device according to claim 6, characterized in that the cross-sectional area of the stopper block (7) is larger than the cross-sectional area of the discharge opening (6), the bottom of the discharge opening (6) being flush with the upper surface of the bottom of the inlet chute (2).