CN217586429U - Manual sampling device is used to mud rock bits - Google Patents

Abstract

The utility model discloses a manual sampling device for mud rock scraps, which comprises a sampling box and a filtering component, wherein the top of the sampling box is provided with an opening, the filtering component is arranged in the sampling box, the filtering component comprises a mounting plate and a filtering net, the middle part of the mounting plate is provided with a rectangular through hole, the filtering net is arranged in the rectangular through hole and is fixedly connected with the mounting plate through a screw, the inner wall of the sampling box is fixed with a first rectangular frame, and the mounting plate is arranged on the first rectangular frame; be provided with the aperture filter in the sampling box, the aperture filter is located filter assembly's below, and the bottom intercommunication of sampling box has the mud pipe. The rock debris screening device has the advantages that large-volume rock debris which does not meet requirements is screened out, and simultaneously slurry in the rock debris is discharged, so that the volume of the sample rock debris stored in the slurry rock debris storage space is increased, a large number of sample rock debris can be obtained at one time, multiple times of well returning and collection are avoided, the collection efficiency of the sample rock debris is improved, and the labor intensity of workers in collecting the rock debris is reduced.

Description

Manual sampling device is used to mud rock bits

Technical Field

The utility model relates to a mud detritus field of gathering specifically is a manual sampling device is used to mud detritus.

Background

The rock debris generated in the drilling process is important information for knowing the stratum and is an important basis for finding and evaluating hydrocarbon reservoirs. In the drilling process, need carry out the analysis to the sandstone in the detritus, in order to obtain its accurate geological information, in time master oil, the position and the degree of depth in gas reservoir layer, be convenient for adjust the drilling track, need use sampling device to collect mud detritus this moment, and current manual sampling device does not have the screening function, it is direct to collect the mud detritus and store all, the detritus that leads to collecting includes the great nonconforming detritus of volume in the mud detritus that leads to collecting, still include a large amount of silt simultaneously, the great detritus of volume and silt have occupied the most volume of collection device, thereby lead to collecting the detritus that meets the requirements greatly reduced, the detritus sample number that causes follow-up acquisition unsatisfied analysis requirements, lead to needing to return to the well many times and collect, the collection efficiency of sample detritus is reduced, the artifical intensity of labour that collects has been improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provide a manual sampling device is used to mud detritus, will be unqualified bulky detritus sifts out, discharge the mud in the detritus simultaneously to increased the volume that mud detritus storage space stored sample detritus, can once obtain the sample detritus of a large amount, avoided returning the well many times and collected, improved the collection efficiency of sample detritus, reduced the intensity of labour of workman when collecting the detritus.

The purpose of the utility model is realized through the following technical scheme: a manual sampling device for mud rock scraps comprises a sampling box and a filtering component, wherein an opening is formed in the top of the sampling box, and the filtering component is arranged in the sampling box;

the filter assembly comprises an installation plate and a filter screen, a rectangular through hole is formed in the middle of the installation plate, the filter screen is arranged in the rectangular through hole and is fixedly connected with the installation plate through a screw, a first rectangular frame is fixed on the inner wall of the sampling box, and the installation plate is arranged on the first rectangular frame;

the sampling box is characterized in that a small-aperture filter plate is arranged in the sampling box and located below the filter assembly, a slurry and rock debris storage space is formed between the small-aperture filter plate and the filter assembly, and the bottom of the sampling box is communicated with a sludge discharge pipe.

Furthermore, a second rectangular frame is fixed on the inner wall of the sampling box, and the small-aperture filter plate is fixedly connected with the second rectangular frame through screws.

Further, the sampling box further comprises a sealing cover, and the sealing cover is detachably arranged at the top of the sampling box.

Furthermore, a sealing rubber pad is fixed on the sealing cover and abuts against the first rectangular frame.

Furthermore, the sealing cover is connected with the sampling box through a bolt, the sealing rubber pad is in a compressed state, and a high-strength sealing surface is formed on the contact surface of the sealing rubber pad and the first rectangular frame.

Further, the one end that sampling box was kept away from to the mud pipe is connected with the end cap, the end cap is equipped with the internal thread, be equipped with the external screw thread on the mud pipe, the end cap adopts threaded connection with the mud pipe.

Furthermore, the outer wall of the sampling box is fixed with two pull rings, and the two pull rings are symmetrically arranged.

Furthermore, the outer wall of the sampling box is provided with a tool groove, and two ends of the tool groove are both connected with annular elastic bandages.

The utility model has the advantages that:

1. the utility model provides a manual sampling device is used to mud detritus, will not conform to the bulky detritus sifting of requirement, simultaneously with the mud discharge in the detritus to increased the volume that mud detritus storage space stored the sample detritus, can once obtain the sample detritus of a greater quantity, avoided returning the well many times and collected, improved the collection efficiency of sample detritus, reduced the intensity of labour of workman when collecting the detritus.

2. Sealing rubber pad forms the sealed face of high strength through deformation and the contact of first rectangle frame to improve the sealed joint seal intensity who covers and sampling box, avoid causing spilling of mud at the in-process of transportation and cause the pollution of surrounding environment.

Drawings

Fig. 1 is a perspective view of the manual sampling device for mudstone cuttings of the present invention;

fig. 2 is a schematic view of the internal structure of the mudstone cuttings collected by the manual sampling device of the utility model;

fig. 3 is a schematic view of the internal structure of the mudstone cuttings of the present invention when being transported by the manual sampling device;

fig. 4 is a perspective view of a sampling box of the manual sampling device for mudstone cuttings of the utility model;

in the figure, 1-sampling box, 2-filtering component, 3-mounting plate, 4-filtering screen, 5-first rectangular frame, 6-small aperture filtering plate, 7-second rectangular frame, 8-mud discharging pipe, 9-sealing cover, 10-sealing rubber pad, 11-bolt, 12-plug, 13-pull ring, 14-tool groove and 15-annular elastic bandage.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following descriptions.

In the first embodiment, as shown in fig. 1 to 4, a manual sampling device for mud rock debris comprises a sampling box 1 and a filter assembly 2, wherein an opening is formed in the top of the sampling box 1, the filter assembly 2 is arranged in the sampling box 1, the filter assembly 2 comprises a mounting plate 3 and a filter screen 4, a rectangular through hole is formed in the middle of the mounting plate 3, the filter screen 4 is arranged in the rectangular through hole and is fixedly connected with the mounting plate 3 through a screw, the diameter of a mesh of the filter screen 4 is larger than the size of the sample rock debris, so that the sample rock debris can pass through the filter screen 4 and fall into the sampling box 1, a first rectangular frame 5 is fixed on the inner wall of the sampling box 1, and the mounting plate 3 is arranged on the first rectangular frame 5; as shown in fig. 2, when collecting mud and rock debris, the filter assembly 2 is placed on the first rectangular frame 5, then the mud and rock debris are put into the sampling box 1, the filter screen 4 screens out rock debris with the volume larger than that of the sample rock debris, so that the rock debris with larger volume and not meeting the inspection requirement is prevented from occupying the storage space of the sampling box 1, and the filter assembly 2 is taken out after the collection is finished; a small-aperture filter plate 6 is arranged in the sampling box 1, the small-aperture filter plate 6 is positioned below the filter component 2, a slurry and rock debris storage space is formed between the small-aperture filter plate 6 and the filter component 2, the bottom of the sampling box 1 is communicated with a sludge discharge pipe 8, rock debris is supported by the small-aperture filter plate 6, and silt and particle rock debris in the slurry and rock debris are discharged from the sludge discharge pipe 8 after passing through the small-aperture filter plate 6 under the action of self gravity, so that more sample rock debris can be stored in the slurry and rock debris storage space, and the blockage of the sludge discharge pipe 8 caused by the fact that larger rock debris falls into the sludge discharge pipe 8 can be avoided by the small-aperture filter plate 6; to sum up, with the bulky detritus sifting that does not conform to the requirement, discharge the mud in the detritus simultaneously to increased the volume that sample detritus was stored to mud detritus storage space, can once obtain more quantity of sample detritus, avoided returning the well many times and collected, improved the collection efficiency of sample detritus, reduced the intensity of labour of workman when collecting the detritus.

Further, as shown in fig. 4, a second rectangular frame 7 is fixed on the inner wall of the sampling box 1, and the small-aperture filter plate 6 is fixedly connected with the second rectangular frame 7 through screws, so that the small-aperture filter plate 6 can be detached, thereby facilitating the replacement and cleaning of the small-aperture filter plate 6.

In a second embodiment, as shown in fig. 1 and 3, the sampling device further includes a sealing cover 9, the sealing cover 9 is detachably disposed at the top of the sampling box 1, a sealing rubber pad 10 is fixed on the sealing cover 9, the sealing rubber pad 10 abuts against the first rectangular frame 5, the sealing cover 9 is connected to the sampling box 1 through a bolt 11, and the sealing rubber pad 10 is in a compressed state, so that a high-strength sealing surface is formed between the sealing rubber pad 10 and the contact surface of the first rectangular frame 5, during transportation, the filtering assembly 2 is taken out, the sealing cover 9 is installed to seal the top opening of the sampling box 1, and the sealing rubber pad 10 is in contact with the first rectangular frame 5 through deformation to form a high-strength sealing surface, so that the sealing strength of the connection between the sealing cover 9 and the sampling box 1 is improved, and pollution to the surrounding environment due to spilling of slurry in the transportation process is avoided.

Further, the one end that sampling box 1 was kept away from to mud pipe 8 is connected with end cap 12, and end cap 12 is equipped with the internal thread, is equipped with the external screw thread on the mud pipe 8, and end cap 12 adopts threaded connection with mud pipe 8, discharges back silt and granule detritus through mud pipe 8, through end cap 12 shutoff mud pipe 8, avoids spilling the problem that causes surrounding environment pollution through mud pipe at the in-process mud of transportation.

Further, as shown in fig. 1, two pull rings 13 are fixed on the outer wall of the sampling box 1, the two pull rings 13 are symmetrically arranged, the sampling box 1 is shaken by holding the pull rings 13 by hand, mud and rock debris are prevented from being accumulated on the filter assembly 2, and the filtering efficiency of the filter screen 4 is improved; the outer wall of the sampling box 1 is provided with a tool groove 14, two ends of the tool groove 14 are connected with annular elastic bands 15, tools of the rotary bolts 11 are placed in the tool groove 14 and are fixed through the annular elastic bands 15, and therefore the sealing cover can be opened quickly to take out rock debris in the sampling box 1.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein and that the invention is not to be considered as limited to the disclosed embodiments, but is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The manual sampling device for the mud rock scraps is characterized by comprising a sampling box (1) and a filtering assembly (2), wherein an opening is formed in the top of the sampling box (1), and the filtering assembly (2) is arranged in the sampling box (1);

the filter assembly (2) comprises an installation plate (3) and a filter screen (4), a rectangular through hole is formed in the middle of the installation plate (3), the filter screen (4) is arranged in the rectangular through hole and fixedly connected with the installation plate (3) through a screw, a first rectangular frame (5) is fixed on the inner wall of the sampling box (1), and the installation plate (3) is arranged on the first rectangular frame (5);

be provided with aperture filter (6) in sampling box (1), aperture filter (6) are located the below of filter assembly (2), form mud detritus storage space between aperture filter (6) and filter assembly (2), the bottom intercommunication of sampling box (1) has row mud pipe (8).

2. A manual sampling device for mud rock debris according to claim 1, wherein a second rectangular frame (7) is fixed to the inner wall of the sampling box (1), and the small-aperture filter plate (6) is fixedly connected with the second rectangular frame (7) through screws.

3. A manual sampling device for mudstone cuttings as claimed in claim 1 further comprising a sealing cap (9), wherein the sealing cap (9) is removably arranged on top of the sampling cartridge (1).

4. A manual mud rock debris sampling device as claimed in claim 3, wherein a sealing rubber gasket (10) is fixed to the sealing cover (9), and the sealing rubber gasket (10) abuts against the first rectangular frame (5).

5. The manual sampling device for mud rock debris according to claim 4, wherein the sealing cover (9) is connected with the sampling box (1) through bolts (11) and enables the sealing rubber gasket (10) to be in a compressed state, so that the contact surface of the sealing rubber gasket (10) and the first rectangular frame (5) forms a high-strength sealing surface.

6. The manual sampling device for mud rock scraps according to claim 1, wherein a plug (12) is connected to one end, away from the sampling box (1), of the mud discharging pipe (8), the plug (12) is provided with internal threads, external threads are arranged on the mud discharging pipe (8), and the plug (12) is in threaded connection with the mud discharging pipe (8).

7. A manual sampling device for mud rock debris according to claim 1, wherein two pull rings (13) are fixed on the outer wall of the sampling box (1), and the two pull rings (13) are symmetrically arranged.

8. A manual sampling device for mud rock cuttings as defined in claim 1, wherein the outer wall of the sampling box (1) is provided with a tool slot (14), and both ends of the tool slot (14) are connected with an annular elastic bandage (15).

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