CN116242654A - Shale sampling equipment and shale sampling method - Google Patents

Shale sampling equipment and shale sampling method Download PDF

Info

Publication number
CN116242654A
CN116242654A CN202310255667.5A CN202310255667A CN116242654A CN 116242654 A CN116242654 A CN 116242654A CN 202310255667 A CN202310255667 A CN 202310255667A CN 116242654 A CN116242654 A CN 116242654A
Authority
CN
China
Prior art keywords
shale
tank body
sampling
sampling device
cover body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310255667.5A
Other languages
Chinese (zh)
Other versions
CN116242654B (en
Inventor
王彦平
耿红红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yiyuan County Dongli Natural Resources Management Office
Original Assignee
Yiyuan County Dongli Natural Resources Management Office
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yiyuan County Dongli Natural Resources Management Office filed Critical Yiyuan County Dongli Natural Resources Management Office
Priority to CN202310255667.5A priority Critical patent/CN116242654B/en
Publication of CN116242654A publication Critical patent/CN116242654A/en
Application granted granted Critical
Publication of CN116242654B publication Critical patent/CN116242654B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit

Abstract

The invention discloses shale sampling equipment and a shale sampling method, wherein the shale sampling equipment comprises a cover body, a tank body, a tectorial membrane and a connecting pipe, wherein the tank body is provided with a containing cavity, an opening and closing cover body is arranged at the position, corresponding to the containing cavity, of the tank body, a mounting hole communicated with the containing cavity is formed in the outer side of the cover body, or a mounting hole communicated with the containing cavity is formed in the outer side of the tank body, a valve I is arranged on the mounting hole, a perforation communicated with the containing cavity is formed in the outer side of the cover body, the perforation is in sealing connection with one end of the guide pipe, a sampling device is arranged in the guide pipe, the edge of the tectorial membrane is in sealing connection with the side face of the connecting pipe, and the connecting pipe is detachably connected with the guide pipe. The shale sampling equipment enables shale to be sampled to be extruded inwards, reduces deformation of the shale to be sampled when being cut, and improves strength and stability of the shale.

Description

Shale sampling equipment and shale sampling method
Technical Field
The invention relates to the technical field of geological investigation, in particular to shale sampling equipment and a shale sampling method.
Background
The rock core is obtained by using the core coring machine, the core coring machine mainly comprises a driving mechanism and a cutting barrel cutter, the driving mechanism drives the cutting barrel cutter to rotationally cut into a rock sample to be sampled, the core coring machine has good coring effect on conventional sandstone, granite and blocky mudstone, and for shale with strong layer rationality and many microcracks, the shale is easy to vibrate by adopting the core coring machine to cause the shale to be loose or broken, if the water cutter is adopted for cutting, the high-speed water flow sprayed by the water cutter is small in shale cutting vibration, but clay minerals, inorganic salts or other water-soluble substances contained in the shale are hydrated or dissolved after meeting water, so that the shale property is changed to cause coring failure.
Disclosure of Invention
The invention aims to overcome the existing defects, provides shale sampling equipment and a shale sampling method, reduces deformation of shale to be sampled when the shale to be sampled is cut, improves strength and stability of the shale, ensures complete shale sampling, and can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems comprises the following steps:
in one aspect, the shale sampling equipment comprises a cover body, a tank body, a covering film and a connecting pipe, wherein the tank body is provided with a containing cavity, the tank body is provided with an opening and closing cover body corresponding to the containing cavity, the outer side of the cover body is provided with a mounting hole for communicating the containing cavity or the outer side of the tank body is provided with a mounting hole for communicating the containing cavity, the mounting hole is provided with a valve I, the outer side of the cover body is provided with a perforation for communicating the containing cavity, the perforation is in sealing connection with one end of a guide pipe, and the guide pipe is internally provided with a sampling device.
The edge of the tectorial membrane is in sealing connection with the side face of the connecting pipe, and the connecting pipe is detachably connected with the guide pipe.
As a preferable technical scheme of the invention, a plurality of positioning pieces are arranged in the inner wall of the cover body or the accommodating cavity of the tank body, each positioning piece comprises a shell arranged on the tank body, a sliding block is arranged in the shell in a sliding and sealing manner, one side of the sliding block is provided with a sliding rod, one end of the sliding rod, which is far away from the sliding block, penetrates through the shell in a sliding manner and extends out of the shell, and a communication hole for communicating the inside and the outside of the shell is formed in the position, which is far away from the sliding rod, of the shell.
As a preferable technical scheme of the invention, an elastic piece is arranged at the part of the sliding rod positioned in the shell, and an elastic pad is arranged at one end of the sliding rod positioned outside the shell.
As a preferable technical scheme of the invention, the sampling device comprises a driving mechanism, and a cutting cylinder knife is arranged on an output shaft of the driving mechanism.
As a preferable technical scheme of the invention, a separator is arranged in the coating film.
As a preferable technical scheme of the invention, the semiconductor refrigerating sheet is arranged on the outer side of the tank body, and the tank body is made of metal.
As a preferable technical scheme of the invention, one end of the guide tube, which is far away from the cover body, is provided with a detachable buckle cover, the buckle cover is provided with a through hole for communicating the inside and the outside of the guide tube, and the through hole is provided with a valve II.
As a preferable technical scheme of the invention, a blade for cutting a coating film is arranged in the tank body, an electric heating part I is arranged in the tank body, and a silk screen is arranged in the coating film.
As a preferable technical scheme of the invention, a connecting hole is formed in the position, away from the guide tube, of the covering film, and the connecting hole is connected with the containing piece.
In another aspect, a shale sampling method is provided, and the shale sampling device applied to any one of the above is provided, including: the tectorial membrane parcel is waited sample shale and the border of tectorial membrane and connecting pipe side sealing connection, connecting pipe and direction union coupling.
The cover body is arranged on the tank body and seals and shields the accommodating cavity.
Water is injected into the tank body through the valve and pressurized, and the sliding rod of the positioning piece extends out and props against the coating film.
The cutting cylinder knife enters the guide tube and contacts shale to be sampled, and the driving mechanism drives the cutting cylinder knife to rotate and the cutting cylinder knife cuts the shale to be sampled.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the shale sampling equipment, the pressure on the shale to be sampled is increased by extruding the shale to be sampled through the tectorial membrane, so that the shale to be sampled is inwards extruded when the shale is sampled, deformation of the shale to be sampled when the shale to be sampled is cut is reduced, and the strength and stability of the shale are improved; on the other hand, when the gas storage capacity of the rock stratum is detected, simulating the pressure environment of the rock stratum to be detected in the stratum, injecting natural gas into the guide pipe through the valve, and measuring and calculating the content of the natural gas in the rock stratum to be detected under different pressures; in the process of detecting the crude oil permeation speed of rock stratum, different crude oil collecting environments are simulated, and then the tank body is inverted to enable crude oil in the containing piece to flow into the guide pipe through the rock to be detected, so that the permeation speed of the crude oil in the rock to be detected is obtained.
2. According to the shale sampling equipment, water is injected into the accommodating cavity through the valve, water is discharged out of air in the accommodating cavity, then the external hydraulic pump or the external high-pressure water pump injects water into the tank through the valve and pressurizes the water, and when the cover body, the tank body or the tectorial membrane is damaged, the compressibility of the water is lower than that of the air, the pressure in the tank body can be quickly reduced after the water in the tank body leaks, and the safety of the shale sampling equipment is improved.
3. According to the shale sampling equipment, when water is injected into the accommodating cavity and the water in the accommodating cavity is pressurized, the pressure intensity of the side face of the sliding block corresponding to the first cavity is higher than the pressure intensity of the side face of the sliding block corresponding to the second cavity, the sliding block moves towards the second cavity under the action of pressure difference and drives the sliding rod to extend out, the sliding rod is propped against the tectorial membrane, the auxiliary positioning of the shale to be sampled is achieved, and the synchronous positioning of the shale to be sampled is achieved by taking the water pressure in the accommodating cavity as power.
4. According to the shale sampling equipment, the partition board is positioned below the shale to be sampled, when the depth of the cutting barrel knife of the sampling device entering the shale to be sampled is larger than the depth of the shale to be sampled, namely the cutting barrel knife completely cuts the shale to be sampled and cuts into the partition board, the pressing down of the cutting barrel knife is stopped, high-pressure water leakage caused by damage of the tectorial membrane is avoided, the safety of operators is threatened, and the safety of the shale sampling equipment is improved.
5. According to the shale sampling method, the coating is used for isolating shale and water, so that shale properties are prevented from being changed, the pressure of the pressurized water in the tank body is increased by extruding the shale to be sampled through the coating, the shale to be sampled is extruded inwards, deformation of the shale to be sampled is reduced, and the strength and stability of the shale are improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a partial cross-sectional structure of another embodiment of the present invention;
FIG. 5 is a schematic view of a positioning member according to the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of another embodiment of the present invention;
FIG. 7 is a schematic view of a partial cross-sectional structure of another embodiment of the present invention;
FIG. 8 is a schematic view of another usage status structure of FIG. 7 according to the present invention.
In the figure: the device comprises a guide pipe 1, a valve I, a cover body 3, a tank body 4, a driving mechanism 5, a semiconductor refrigerating sheet 6, a cutting cylinder knife 7, a partition plate 8, a positioning piece 9, an elastic pad 91, a sliding rod 92, an elastic piece 93, a sliding block 94, a shell 95, a communication hole 96, a film 10, a connecting pipe 11, a silk screen 12, an electric heating piece I13, a holding piece 14, a blade 15, a buckle closure 16, a valve II 17, a holding piece 18 and a dividing piece 19.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-3, the embodiment discloses a shale sampling device, which comprises a cover body 3, a tank body 4, a covering film 10 and a connecting pipe 11, wherein a containing cavity is arranged on the tank body 4, the tank body 4 is provided with an opening and closing cover body 3 corresponding to the containing cavity, the outer side of the cover body 3 is provided with a mounting hole communicated with the containing cavity or the outer side of the tank body 4 is provided with a mounting hole communicated with the containing cavity, the mounting hole is provided with a valve I2, the outer side of the cover body 3 is provided with a perforation communicated with the containing cavity, the perforation is in sealing connection with one end of a guide pipe 1, and a sampling device is arranged in the guide pipe 1.
In this embodiment, the edge of the covering film 10 is in sealing connection with the side surface of the connecting pipe 11, and the connecting pipe 11 is in threaded connection, sealing clamping or sealing buckling with the guiding pipe 1.
Preferably, the sampling device comprises a driving mechanism 5, and a cutting barrel knife 7 is arranged on an output shaft of the driving mechanism 5.
The driving mechanism 5 provides electric energy for the motor by an external power supply of the motor, or the driving mechanism 5 provides power for the hydraulic motor by an external hydraulic source of the hydraulic motor, and the driving mechanism 5 used in the invention is a common power source in the prior art, and the working mode and structure of the driving mechanism 5 are all known techniques and are not described herein.
The working process and principle of the embodiment are as follows:
the tectorial membrane 10 parcel is to take a sample shale and the border of tectorial membrane 10 and connecting pipe 11 side pass through viscose sealing connection, ultrasonic seal welding or pass through hot melt sealing bonding, connecting pipe 11 and stand pipe 1 are connected, then lid 3 installs on jar body 4 and lid 3 seals shelter from the holding cavity, valve one 2 opens outside hydraulic pump or outside high-pressure water pump and pass through valve one 2 to the injection water and to water pressurization in jar body 4, then close valve one 2, tectorial membrane 10 external pressure increases and tectorial membrane 10 is attached on the shale surface to take a sample, the pressurized water in jar body 4 is through the extrusion shale of tectorial membrane 10 to take a sample and is made the last pressure of shale to increase, make the shale of taking a sample receive inwards extrusion, reduce the deformation when taking a sample shale to cut, improve the intensity and the stability of shale, cutting drum sword 7 gets into in stand pipe 1 and with take a sample shale contact, and actuating mechanism 5 drives cutting drum sword 7 rotation and cutting drum sword 7 is to take a sample shale and cut.
Preferably, after the cover body 3 is installed on the tank body 4, water is injected into the accommodating cavity through the valve I2 and is discharged out of air in the accommodating cavity, then an external hydraulic pump or an external high-pressure water pump injects water into the tank body 4 through the valve I2 and pressurizes the water, when the cover body 3, the tank body 4 or the coating film 10 is damaged, as the compressibility of the water is lower than that of the air, the pressure in the tank body 4 can be quickly reduced after the water in the tank body 4 leaks, and the safety of the shale sampling equipment is improved.
Preferably, the film 10 is made of a polyester plastic film, a polyvinyl chloride film or a nylon composite film, and the film 10 is a vacuum packaging bag commonly used in food vacuum packaging in the prior art.
Embodiment two:
as shown in fig. 5, this embodiment discloses a shale sampling device, the structure of which is substantially the same as that of the first embodiment, and is different in that a plurality of positioning members 9 are provided on the inner wall of the lid 3 or the inner wall of the accommodating cavity of the can 4 in this embodiment, the positioning members 9 include a housing 95 mounted on the can 4, a slide 94 is mounted in the housing 95 in a sliding seal manner, a slide rod 92 is mounted on one side of the slide 94, one end of the slide rod 92 away from the slide rod 94 penetrates the housing 95 in a sliding seal manner and extends out of the housing 95, and a communication hole 96 for communicating the inside and the outside of the housing 95 is provided at a position of the housing 95 away from the slide rod 92.
The working process and principle of the embodiment are as follows:
the slide block 94 divides the inner cavity of the housing 95 into a first cavity and a second cavity, the first cavity is communicated with the communication hole 96, water outside the housing 95 enters the first cavity through the communication hole 96, sealing gas is arranged in the second cavity, and the slide block 94 is close to the communication hole 96 when the accommodating cavity is communicated with the outside atmosphere.
When water is injected into the accommodating cavity and the water in the accommodating cavity is pressurized, the pressure intensity at the position, corresponding to the first cavity, of the side face of the sliding block 94 is larger than the pressure intensity at the position, corresponding to the second cavity, of the side face of the sliding block 94, the sliding block 94 moves towards the second cavity under the action of pressure difference, the sliding block 94 drives the sliding rod 92 to extend out, the sliding rod 92 abuts against the tectorial membrane 10, and the auxiliary positioning of shale to be sampled is achieved.
Embodiment III:
as shown in fig. 5, this embodiment discloses a shale sampling device, the structure of which is substantially the same as that of the second embodiment, and the difference is that the portion of the sliding rod 92 located in the housing 95 of this embodiment is provided with an elastic member 93, the elastic member 93 is a spring or an elastic rod, and when the pressure in the accommodating cavity is reduced, the elastic member 93 and the sliding block 94 cooperate to drive the sliding rod 92 to move into the housing 95, so as to ensure that the length of the sliding rod 92 extending out of the housing 95 is shortened.
The elastic pad 91 is installed to the one end that slide bar 92 is located outside casing 95, and elastic pad 91 is elastic rubber pad or cloth, and elastic pad 91 reduces the tectorial membrane 10 damage that slide bar 92 directly supported on tectorial membrane 10 and causes.
Embodiment four:
as shown in fig. 2 and fig. 4, this embodiment discloses a shale sampling device, on the basis of embodiment one, embodiment two or embodiment three, be equipped with baffle 8 in this embodiment tectorial membrane 10, baffle 8 is plank, rubber slab or slabstone, baffle 8 is located and waits to take a sample shale below, when sampling device's cutting drum sword 7 gets into and wait to take a sample shale degree of depth and be greater than the shale degree of depth that waits to take a sample, namely cutting drum sword 7 cuts into the baffle 8 completely, stop pushing down cutting drum sword 7 and avoid tectorial membrane 10 impaired, take out cutting drum sword 7 and the rock core of taking a sample, avoid tectorial membrane 10 impaired cause high pressure water leakage threat operating personnel safety, improve this shale sampling device's security.
Fifth embodiment:
as shown in fig. 4, this embodiment discloses a shale sampling device, the structure of which is substantially the same as that of the first embodiment, and is different in that a semiconductor refrigerating sheet 6 is installed on the outer side of a tank body 4 in this embodiment, a refrigerating surface of the semiconductor refrigerating sheet 6 is attached to the tank body 4, the semiconductor refrigerating sheet 6 adopts an external power supply to supply heat, and the tank body 4 is made of metal.
The first valve 2 is used for filling water into the tank body 4 and discharging air in the tank body 4, the semiconductor refrigerating sheet 6 is electrified to enable the tank body 4 to be cooled corresponding to the semiconductor refrigerating sheet 6, the inner wall of the tank body 4 is frozen at the position corresponding to the semiconductor refrigerating sheet 6, the volume of partial water in the tank body 4 is increased due to ice formation, the pressure in the tank body 4 is increased, the laminating of the coating film 10 on shale to be sampled and the shale pressure to be sampled is increased, and the strength and stability of the shale are improved.
Example six:
as shown in fig. 6, this embodiment discloses a shale sampling device, on the basis of any one of the first embodiment to the fifth embodiment, a detachable buckle cover 16 is installed at one end of the guide tube 1 far away from the cover body 3, a through hole for communicating the inside and the outside of the buckle cover 16 is formed in the buckle cover 16, and a valve two 17 is installed on the through hole.
The first valve 2 and the second valve 17 used in the present invention are common valves in the prior art, and the working manner and structure thereof are well known techniques, and are not described herein.
The working process and principle of the embodiment are as follows:
in the prior art, when a rock sample obtained by deep drilling and sampling contains natural gas, natural gas storage data of the rock sample need to be detected so as to estimate the reserves of the natural gas of the underground rock stratum.
The tectorial membrane 10 parcel is waited to detect the rock formation rock and the border of tectorial membrane 10 and connecting pipe 11 side pass through viscose sealing connection or pass through hot melt sealing connection, connecting pipe 11 and direction pipe 1 are connected, then lid 3 installs on jar body 4 and lid 3 seals and shelter from the holding cavity, outside hydraulic pump or outside high-pressure water pump are through valve one 2 to the water injection in the jar body 4 and to water pressurization, tectorial membrane 10 external pressure increases and tectorial membrane 10 is attached at the rock formation rock surface of waiting to detect, the pressurized water in jar body 4 is through the extrusion of tectorial membrane 10 to wait to detect rock formation rock pressure increase that makes the rock formation rock place of waiting to detect, thereby simulate the pressure environment of rock formation rock in the stratum, pour into natural gas into in the direction pipe 1 through valve two 17, and measure and calculate the content of different atmospheric pressure natural gas in waiting to detect rock formation rock.
Embodiment seven:
as shown in fig. 6, this embodiment discloses a shale sampling device, the structure of which is approximately the same as that of the sixth embodiment, and the difference is that a blade 15 capable of cutting a tectorial membrane 10 is arranged in a tank body 4 of this embodiment, the blade 15 can move in a containing cavity, a containing member 14 is arranged in a guide tube 1, a plurality of through holes are arranged at the bottom side of the inner wall of the containing member 14, asphalt is placed in the containing member 14, an electric heating member II is arranged in the containing member 14, when the pressure of the natural gas injected into the guide tube 1 is stable and maintained for 1-5d, the electric heating member II is heated by two-way electricity, the asphalt in the containing member 14 melts and falls on rock of a rock layer to be detected corresponding to the guide tube 1, and the asphalt is cooled and hardened, so that the lower end of the inner cavity of the guide tube 1 is blocked, the blade 15 cuts the tectorial membrane 10 by reciprocating the tank body 4, gas in the tectorial membrane 10 escapes, and the capability of storing the natural gas on the rock is obtained by measuring the rock layer of the volume of the gas and water flowing out of the valve 1 through the valve 2 is opened.
The tank body 4 is internally provided with the first electric heating part 13, the first electric heating part 13 is electrically connected with an external power supply, the covering film 10 is internally provided with the silk screen 12, the silk screen 12 prevents the covering film 10 from being directly stuck on rock of the rock stratum to be detected, natural gas can flow along gaps supported by the silk screen 12, the speed of the natural gas entering the rock of the rock stratum to be detected is increased, the detection time is shortened, and the first electric heating part 13 heats the tank body 4 so as to measure the volume of stored natural gas of the rock stratum to be detected at different temperatures.
The electric heating element II and the electric heating element I13 are powered by an external power supply.
Example eight:
as shown in fig. 7 and 8, this embodiment discloses a shale sampling device, on the basis of the sixth embodiment or the seventh embodiment, a connecting hole is provided at a position of the covering film 10 far away from the guide tube 1, the connecting hole is in airtight connection with the containing member 18, and the containing member 18 is a plastic bag, a plastic bottle or a metal bottle.
The working process and principle of the embodiment are as follows:
in the prior art, when a rock sample obtained by deep drilling and sampling contains crude oil in a certain rock stratum, the penetration speed of the crude oil in the rock sample needs to be detected so as to evaluate the penetration speed of the crude oil in the rock stratum.
Crude oil is put into the holding piece 18, the covering film 10 wraps the rock to be detected, the edge of the covering film 10 is connected with the side face of the connecting pipe 11 through glue sealing or through hot melting sealing, the connecting pipe 11 is connected with the guide pipe 1, then the cover body 3 is arranged on the tank body 4, the cover body 3 seals and shields the holding cavity, an external hydraulic pump or an external high-pressure water pump injects water into the tank body 4 through the valve I, the pressure outside the covering film 10 is increased, the covering film 10 is attached to the surface of the rock to be detected, the pressure of the pressurized water in the tank body 4 is increased by pressing the rock to be detected through the covering film 10, so that the pressure environment of the rock to be detected in a stratum is simulated, air lower than the pressure in the tank body 4 is injected into the guide pipe 1 through the valve II, so that different crude oil collecting environments are simulated, and then the tank body 4 is inverted, so that crude oil in the holding piece 18 flows into the guide pipe 1 through the rock to be detected, and the penetration speed of the crude oil in the rock to be detected is obtained.
Preferably, a dividing piece 19 is arranged in the coating film 10, and the dividing piece 19 is positioned at one side of the to-be-detected guiding tube 1, which is far away from the guiding tube 1, and the dividing piece 19 is a hard communication pore plate or sand; when the tank body 4 is inverted, crude oil can flow through the side of the rock to be detected, which is far away from the guide pipe 1, so that the detection accuracy is ensured.
Example nine:
referring to fig. 1-8, the present embodiment discloses a shale sampling method, which applies the shale sampling device of any one of the first embodiment to the eighth embodiment, the covering film 10 wraps the shale to be sampled, the edge of the covering film 10 is in sealing connection with the side surface of the connecting pipe 11, and the connecting pipe 11 is connected with the guiding pipe 1.
The cover body 3 is arranged on the tank body 4, and the cover body 3 seals and shields the accommodating cavity.
Water is injected into the tank body 4 through the valve I2 and pressurized, and the sliding rod 92 of the positioning member 9 extends out and abuts against the coating film 10.
The cutting drum knife 7 enters the guide tube 1 and contacts shale to be sampled, and the driving mechanism 5 drives the cutting drum knife 7 to rotate and the cutting drum knife 7 cuts the shale to be sampled.
Pressurized water in the tank body 4 extrudes shale to be sampled through the tectorial membrane 10 to increase the pressure on the shale to be sampled, so that the shale to be sampled is extruded inwards, the deformation of the shale to be sampled is reduced, the strength and stability of the shale are improved, and the tectorial membrane 10 isolates the shale from water to avoid the change of shale properties.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Shale sampling equipment, its characterized in that: the novel plastic bottle comprises a cover body (3), a bottle body (4), a coating film (10) and a connecting pipe (11), wherein a containing cavity is formed in the bottle body (4), the bottle body (4) is provided with an opening and closing cover body (3) corresponding to the containing cavity, the outer side of the cover body (3) is provided with a mounting hole communicated with the containing cavity or the outer side of the bottle body (4) is provided with a mounting hole communicated with the containing cavity, the mounting hole is provided with a valve I (2), the outer side of the cover body (3) is provided with a perforation communicated with the containing cavity, the perforation is connected with one end of a guide pipe (1) in a sealing mode, and the guide pipe (1) is internally provided with a sampling device;
the edge of the coating film (10) is connected with the side face of the connecting pipe (11) in a sealing way, and the connecting pipe (11) is detachably connected with the guide pipe (1).
2. The shale sampling device as claimed in claim 1, wherein: the utility model discloses a jar, including lid (3) inner wall or jar body (4) holding cavity in be equipped with a plurality of setting element (9), setting element (9) are including installing casing (95) on jar body (4), sliding seal installs slider (94) in casing (95), slide bar (92) are installed to slider (94) one side, one end that slide bar (92) kept away from slider (94) is slided and is run through and extend to outside casing (95), communication hole (96) inside and outside communicating it are seted up to the position that slide bar (92) were kept away from to casing (95).
3. The shale sampling device as claimed in claim 2, wherein: an elastic piece (93) is arranged at the part of the sliding rod (92) positioned in the shell (95), and an elastic pad (91) is arranged at one end of the sliding rod (92) positioned outside the shell (95).
4. A shale sampling apparatus as claimed in claim 2 or 3, wherein: the sampling device comprises a driving mechanism (5), and a cutting barrel knife (7) is arranged on an output shaft of the driving mechanism (5).
5. The shale sampling device as claimed in claim 4, wherein: a separator (8) is arranged in the coating film (10).
6. The shale sampling device as claimed in claim 1, wherein: the semiconductor refrigerating sheet (6) is arranged on the outer side of the tank body (4), and the tank body (4) is made of metal.
7. The shale sampling device as claimed in claim 1, wherein: one end of the guide pipe (1) far away from the cover body (3) is provided with a detachable buckle cover (16), the buckle cover (16) is provided with a through hole which is communicated with the inside and the outside of the buckle cover, and the through hole is provided with a valve II (17).
8. The shale sampling device as claimed in claim 7, wherein: the novel plastic pot is characterized in that a blade (15) for cutting the coating film (10) is arranged in the pot body (4), a containing piece (14) is arranged in the guide tube (1), a plurality of through holes are formed in the bottom side of the inner wall of the containing piece (14), an electric heating piece II is arranged in the containing piece (14), an electric heating piece I (13) is arranged in the pot body (4), and a silk screen (12) is arranged in the coating film (10).
9. The shale sampling device as claimed in claim 7, wherein: the position of the tectorial membrane (10) far away from the guide pipe (1) is provided with a connecting hole, and the connecting hole is connected with the containing piece (18).
10. A shale sampling method, characterized in that: use of the shale sampling apparatus of any of claims 1-6, comprising
The coating film (10) wraps shale to be sampled, the edge of the coating film (10) is connected with the side face of the connecting pipe (11) in a sealing way, and the connecting pipe (11) is connected with the guide pipe (1);
the cover body (3) is arranged on the tank body (4) and the cover body (3) seals and shields the accommodating cavity;
injecting water into the tank body (4) through the valve I (2) and pressurizing the water, wherein a sliding rod (92) of the positioning piece (9) extends out and props against the coating film (10);
the cutting tube knife (7) enters the guide tube (1) and is in contact with shale to be sampled, and the driving mechanism (5) drives the cutting tube knife (7) to rotate and the cutting tube knife (7) cuts the shale to be sampled.
CN202310255667.5A 2023-03-16 2023-03-16 Shale sampling equipment and shale sampling method Active CN116242654B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310255667.5A CN116242654B (en) 2023-03-16 2023-03-16 Shale sampling equipment and shale sampling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310255667.5A CN116242654B (en) 2023-03-16 2023-03-16 Shale sampling equipment and shale sampling method

Publications (2)

Publication Number Publication Date
CN116242654A true CN116242654A (en) 2023-06-09
CN116242654B CN116242654B (en) 2023-08-18

Family

ID=86626018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310255667.5A Active CN116242654B (en) 2023-03-16 2023-03-16 Shale sampling equipment and shale sampling method

Country Status (1)

Country Link
CN (1) CN116242654B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117213901A (en) * 2023-09-14 2023-12-12 重庆大学 Automatic positioning mudstone sampling equipment and sampling method thereof

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030182997A1 (en) * 2002-03-28 2003-10-02 Williams Scott R. Apparatus for sampling drill hole cuttings
CN101963550A (en) * 2010-06-07 2011-02-02 广东省农业科学院土壤肥料研究所 Soil solution extractor
CN103334910A (en) * 2013-07-04 2013-10-02 吉林大学 Squeezing device using internal pressure generated by phase change during water freezing
CN104749042A (en) * 2015-04-09 2015-07-01 西南交通大学 Suction force controllable unsaturated soil static triaxial apparatus based on internal body variable precision measurement
CN104977234A (en) * 2015-06-23 2015-10-14 安徽理工大学 Pressure rock failure and instability process and dynamic permeability test apparatus and method thereof
CN204855296U (en) * 2015-07-17 2015-12-09 中国石油天然气股份有限公司 Measure device of shale matrix gassiness volume
CN205057858U (en) * 2015-10-20 2016-03-02 北京瑞莱博石油技术有限公司 Holder suitable for many specifications rock core
CN105928858A (en) * 2016-07-06 2016-09-07 西南交通大学 Method for testing indoor seepage of large-size irregular undisturbed fractured rock
CN207007596U (en) * 2017-08-11 2018-02-13 中国电建集团成都勘测设计研究院有限公司 Without the axle sample preparation device of stickiness fine grained soil three
CN108469381A (en) * 2018-03-26 2018-08-31 中南大学 Brittleness soft rock is circumferential to press loading device, soft rock sampler and sampling method
CN108593341A (en) * 2018-06-26 2018-09-28 西安建筑科技大学 A kind of large size intact loess sampling method
CN108663498A (en) * 2017-03-27 2018-10-16 中国石油化工股份有限公司 The shale gas site desorption experimental provision and method of high temperature decompression and pressure break
CN109900614A (en) * 2017-12-11 2019-06-18 中国石油化工股份有限公司 The method for measuring Oil in Super-low Permeability core permeability
CN110359869A (en) * 2019-07-05 2019-10-22 中国石油大学(北京) A kind of throttle valve grasping mechanism
US20190368978A1 (en) * 2018-03-14 2019-12-05 Richard P. Sheryll Underwater Sampling Method and Apparatus
CN111665083A (en) * 2020-07-21 2020-09-15 河南理工大学 High-efficient sampling device of rich organic matter shale section
CN212228492U (en) * 2020-05-27 2020-12-25 耿昊 Petroleum detection sampling device
CN112796758A (en) * 2021-01-15 2021-05-14 贵州化工建设有限责任公司 High-segmentation non-cutting raise broaching and medium-length hole stage open stoping subsequent filling mining method
CN112903559A (en) * 2021-01-21 2021-06-04 中国矿业大学 Method for testing deformation coupling rule of triple pores of coal rock in non-equilibrium state
CN113640047A (en) * 2021-08-24 2021-11-12 阶梯项目咨询有限公司 Engineering sampling device for building supervision
CN114486357A (en) * 2022-01-25 2022-05-13 王彦平 Automatic geological survey device of layering sampling
CN217953914U (en) * 2022-06-11 2022-12-02 新疆大学 Geological survey rock sampling device

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030182997A1 (en) * 2002-03-28 2003-10-02 Williams Scott R. Apparatus for sampling drill hole cuttings
CN101963550A (en) * 2010-06-07 2011-02-02 广东省农业科学院土壤肥料研究所 Soil solution extractor
CN103334910A (en) * 2013-07-04 2013-10-02 吉林大学 Squeezing device using internal pressure generated by phase change during water freezing
CN104749042A (en) * 2015-04-09 2015-07-01 西南交通大学 Suction force controllable unsaturated soil static triaxial apparatus based on internal body variable precision measurement
CN104977234A (en) * 2015-06-23 2015-10-14 安徽理工大学 Pressure rock failure and instability process and dynamic permeability test apparatus and method thereof
CN204855296U (en) * 2015-07-17 2015-12-09 中国石油天然气股份有限公司 Measure device of shale matrix gassiness volume
CN205057858U (en) * 2015-10-20 2016-03-02 北京瑞莱博石油技术有限公司 Holder suitable for many specifications rock core
CN105928858A (en) * 2016-07-06 2016-09-07 西南交通大学 Method for testing indoor seepage of large-size irregular undisturbed fractured rock
CN108663498A (en) * 2017-03-27 2018-10-16 中国石油化工股份有限公司 The shale gas site desorption experimental provision and method of high temperature decompression and pressure break
CN207007596U (en) * 2017-08-11 2018-02-13 中国电建集团成都勘测设计研究院有限公司 Without the axle sample preparation device of stickiness fine grained soil three
CN109900614A (en) * 2017-12-11 2019-06-18 中国石油化工股份有限公司 The method for measuring Oil in Super-low Permeability core permeability
US20190368978A1 (en) * 2018-03-14 2019-12-05 Richard P. Sheryll Underwater Sampling Method and Apparatus
CN108469381A (en) * 2018-03-26 2018-08-31 中南大学 Brittleness soft rock is circumferential to press loading device, soft rock sampler and sampling method
CN108593341A (en) * 2018-06-26 2018-09-28 西安建筑科技大学 A kind of large size intact loess sampling method
CN110359869A (en) * 2019-07-05 2019-10-22 中国石油大学(北京) A kind of throttle valve grasping mechanism
CN212228492U (en) * 2020-05-27 2020-12-25 耿昊 Petroleum detection sampling device
CN111665083A (en) * 2020-07-21 2020-09-15 河南理工大学 High-efficient sampling device of rich organic matter shale section
CN112796758A (en) * 2021-01-15 2021-05-14 贵州化工建设有限责任公司 High-segmentation non-cutting raise broaching and medium-length hole stage open stoping subsequent filling mining method
CN112903559A (en) * 2021-01-21 2021-06-04 中国矿业大学 Method for testing deformation coupling rule of triple pores of coal rock in non-equilibrium state
CN113640047A (en) * 2021-08-24 2021-11-12 阶梯项目咨询有限公司 Engineering sampling device for building supervision
CN114486357A (en) * 2022-01-25 2022-05-13 王彦平 Automatic geological survey device of layering sampling
CN217953914U (en) * 2022-06-11 2022-12-02 新疆大学 Geological survey rock sampling device

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DOU FAKAI 等: "Effect of Clay Minerals on Tensile Failure Characteristics of Shale", 《ACS OMEGA》, vol. 7, no. 28, pages 24219 - 24230 *
王彦平 等: "风沙环境下混凝土、砂浆和水泥石的固体颗粒冲蚀磨损试验研究", 《中国铁道科学》, vol. 34, no. 5, pages 21 - 26 *
郭怀志 等: "页岩吸附模型及吸附气含气量计算方法进展", 《地球物理学进展》, vol. 31, no. 3, pages 1080 - 1087 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117213901A (en) * 2023-09-14 2023-12-12 重庆大学 Automatic positioning mudstone sampling equipment and sampling method thereof

Also Published As

Publication number Publication date
CN116242654B (en) 2023-08-18

Similar Documents

Publication Publication Date Title
CN116242654B (en) Shale sampling equipment and shale sampling method
CA2147027C (en) Method and apparatus for acquiring and processing subsurface samples of connate fluid
MXPA04011360A (en) Downhole fluid pumping apparatus and method.
CN104747187A (en) Simulation experimenting device and method for high-temperature and high-pressure reinforced well wall drilling fluid
CN206468347U (en) Multi-functional stratigraphic rig
CN104535413B (en) A kind of seepage field temperature field simulation coupling material bin and TBM cutting test platforms
CN104265265A (en) Direct measuring method for single-well crude oil gas yield
CN207332872U (en) Blocking type dual probe pressure gauge and eccentric injection mandrel
CN211844822U (en) Hydrology water resource surveys buoy
CN201546718U (en) High-pressure high-temperature dynamic fluid loss instrument
CN205854571U (en) A kind of external formula vacuum liquid filling packer
US10156138B2 (en) System and method for collecting a representative formation fluid during downhole testing operations
CN104569149A (en) Drilling fluid inhibition evaluation method
CN86205547U (en) Triplex pipe soil sampler with flap door
CN115808437B (en) Subway communication channel freezing method construction model test device and method
CN114396240B (en) Underground low-temperature airtight coal core drilling device and method for coal mine
CN104897431A (en) Free hydrocarbon and soil sample collecting device and collecting method
CN112360400B (en) Offshore combustible ice mining, digging and backfilling device and method
CN208968874U (en) A kind of Oilfield Mining Area water quality monitoring sampler
CN112304846A (en) Engineering building material waterproof detection device and monitoring method thereof
CN202256100U (en) Continuous direct-display type density instrument for drilling fluid
CN113847026A (en) Coal seam hydraulic punching simulation experiment method
CN212483432U (en) Sleeve type soil one-dimensional hydrothermal migration testing device
CN204705511U (en) The harvester of a kind of free hydrocarbon and pedotheque
CN105715295B (en) A kind of determination method of the reasonable hole sealing depth of colliery concordant firedamp taking-out discharging drilling

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant