CN114486348A - Gas drilling detritus sampling device - Google Patents
Gas drilling detritus sampling device Download PDFInfo
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- CN114486348A CN114486348A CN202011254171.9A CN202011254171A CN114486348A CN 114486348 A CN114486348 A CN 114486348A CN 202011254171 A CN202011254171 A CN 202011254171A CN 114486348 A CN114486348 A CN 114486348A
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- 238000005070 sampling Methods 0.000 title claims abstract description 173
- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 239000004576 sand Substances 0.000 claims abstract description 57
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 89
- 238000005520 cutting process Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 14
- 239000011435 rock Substances 0.000 abstract description 103
- 239000000428 dust Substances 0.000 abstract description 71
- 230000006378 damage Effects 0.000 abstract description 6
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The embodiment of the invention provides a gas drilling rock debris sampling device which comprises a sand discharge pipeline and a sampling pipe communicated with the sand discharge pipeline, wherein a sampling opening is formed in one end of the sampling pipe, the sampling pipe is provided with a pipe opening and closing device and a rock debris blocking device, the pipe opening and closing device is positioned at one end, close to the sand discharge pipeline, of the sampling pipe, and the rock debris blocking device is positioned at one end, close to the sampling opening, of the sampling pipe. The high-speed blowout of rock debris carried by gas in the sand discharge pipeline is avoided, the drifting of the rock debris is reduced, and the amount of rock debris dust sucked by operators is reduced. The problem of because of the gas in the sand discharge pipeline carries the tiny rock debris of volume to spout at a high speed in the sack, the rock debris dust in the sack is followed the air current and is strikeed easily by the sack, the rock debris dust that wafts out is inhaled by operating personnel and is easily caused the dust injury is solved.
Description
Technical Field
The invention relates to the field of rock debris sampling in a gas drilling process, in particular to a rock debris sampling device for gas drilling.
Background
In the drilling process, the specific horizon of the field drilling is mainly judged by the rock debris returned from the bottom of the well. According to the requirements and standards of geological logging in industry, rock debris sampling is required to be carried out on a sand discharge pipeline.
At present, the traditional rock debris sampling mode is that an opening is arranged on a sand discharge pipeline, a pipe is welded at the opening, a valve is installed in the middle of the pipe, and a cloth bag is bound at the lower end of the valve. When the rock debris needs to be taken, the valve is opened to enable the rock debris to fall into the cloth bag, and the valve is closed after the rock debris is taken out.
However, the sand discharge pipeline has a large air pressure and the volume of the rock debris is small, so when the valve is opened for sampling, the gas in the pipeline carries the small rock debris to be ejected out of the cloth bag at a high speed, the rock debris dust in the cloth bag is easy to drift out of the cloth bag under the impact of the air flow, and the drifted rock debris dust is easy to cause dust damage after being sucked by an operator.
Disclosure of Invention
The invention provides a rock debris sampling device for gas drilling, which aims to solve the problems that in the prior art, when a valve is opened for sampling, gas in a pipe carries small rock debris to be sprayed into a cloth bag at a high speed, rock debris dust in the bag is easy to fly out of the cloth bag due to the impact of gas flow, and the flying rock debris dust is easy to be sucked into the cloth bag by an operator and cause dust damage. The problem of among the prior art when opening the valve sample, the bag in the rock debris dust is easily by the sack waft, the rock debris dust that wafts is inhaled by operating personnel and is easily caused the dust injury is solved.
The invention provides a gas drilling rock debris sampling device, which comprises:
arrange the sand pipeline and with the sampling tube of arranging sand pipeline intercommunication, the one end of sampling tube has the sample connection, the sampling tube is equipped with a tub switching device and detritus retention device, tub switching device is located the sampling tube is close to arrange the one end of sand pipeline, detritus retention device is located the sampling tube is close to the one end of sample connection.
In a specific embodiment of the present invention, the tube opening and closing device includes a sealing plate and a lifting mechanism, the sealing plate is disposed in the sampling tube, a side wall of the sealing plate is attached to an inner wall of the sampling tube, and the lifting mechanism is connected to a bottom end of the sealing plate.
In a specific embodiment of the present invention, the tube opening and closing device further includes a sealing seat, the sealing seat is disposed at a lower side of the sealing plate and connected to an inner tube wall of the sampling tube, and a chip dropping port is disposed at a bottom end of the sealing seat.
In a specific embodiment of the present invention, the sealing plate is a concave cambered plate, and a surface of the sealing seat facing the sealing plate is a cambered surface attached to a bottom surface of the sealing plate.
In a specific embodiment of the present invention, the sealing plate is located at a connection port between the sampling tube and the sand discharge line.
In a specific embodiment of the invention, the lifting mechanism comprises a top rod and an operating rod, one end of the top rod is connected to the bottom end of the sealing plate, the other end of the top rod is hinged to one end of the operating rod, the other end of the operating rod extends out of the sampling tube from the side opening of the sampling tube, and the operating rod is hinged to the wall of the sampling tube.
In a specific embodiment of the present invention, an elastic seal is provided between the side opening and the operating lever.
In a specific embodiment of the invention, the debris blocking device comprises a fixed baffle and a movable baffle, the fixed baffle is connected in the sampling pipe, and the movable baffle is inserted into the sampling pipe from a side socket of the sampling pipe.
In a specific embodiment of the invention, the fixed baffle is half-moon-shaped, the two fixed baffles are symmetrically arranged at two sides of the lateral socket, and the part of the movable baffle inserted into the sampling pipe is matched with the two fixed baffles.
In a specific embodiment of the invention, the sampling port is connected with a sampling bag.
The invention provides a gas drilling rock debris sampling device which comprises a sand discharge pipeline and a sampling pipe communicated with the sand discharge pipeline, wherein a sampling opening is formed in one end of the sampling pipe, the sampling pipe is provided with a pipe opening and closing device and a rock debris blocking device, the pipe opening and closing device is located at one end, close to the sand discharge pipeline, of the sampling pipe, and the rock debris blocking device is located at one end, close to the sampling opening, of the sampling pipe. Because of the existence of the pipe opening and closing device and the rock debris blocking device, a dust settling chamber can be enclosed among the sampling pipe, the pipe opening and closing device and the rock debris blocking device. Therefore, when the rock debris in the sand discharge pipeline is sampled, the rock debris enters the dust settling chamber through the pipe opening and closing device after the pipe opening and closing device is opened, and the pipe opening and closing device is closed after the rock debris in the dust settling chamber meets the sampling quantity. Because the pipe opening and closing device is closed, the dust settling chamber is not communicated with the sand discharge pipeline, the air pressure in the dust settling chamber is gradually reduced, rock debris in the dust settling chamber is not impacted by the high speed of the air flow in the sand discharge pipeline any more, the rock debris tends to be in a static state in the dust settling chamber, and the rock debris blocking device is opened again at the moment to enable the rock debris in the dust settling chamber to fall into the cloth bag under the action of gravity, so that the high-speed ejection of the rock debris carried by the air in the sand discharge pipeline is avoided, the drift of the rock debris is reduced, and the amount of the rock debris dust sucked by an operator to drift is reduced. Therefore, the problem that the rock debris dust in the bag is easy to drift out of the bag under the impact of airflow and the drifted rock debris dust is easy to be sucked by an operator to cause dust damage because the gas in the sand discharge pipeline carries the small rock debris to be jetted out of the bag at a high speed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a gas drilling debris sampling device provided by an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic illustration of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention in an armed state;
FIG. 4 is a schematic diagram of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention with a pipe opening and closing device in a cuttings entering state;
FIG. 5 is a schematic diagram of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention in a dustfall state;
FIG. 6 is a schematic diagram of a gas drilling cuttings sampling apparatus provided by an embodiment of the invention in a sampling state.
Description of reference numerals:
10-a sand discharge pipeline;
20-sampling tube;
30-tube opening and closing means;
31-a sealing plate;
32-a lifting mechanism;
321-a mandril;
322-a lever;
33-a sealing seat;
331-chip-removal port;
40-a debris barrier;
41-fixed baffle;
42-a flapper;
50-an elastomeric seal;
60-sampling bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
FIG. 1 is a schematic structural diagram of a gas drilling debris sampling device provided by an embodiment of the invention; FIG. 2 is a schematic cross-sectional view taken at A-A of FIG. 1; FIG. 3 is a schematic illustration of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention in an armed state; FIG. 4 is a schematic diagram of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention with the pipe opening and closing device in a cuttings intake state; FIG. 5 is a schematic diagram of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention in a dustfall state; FIG. 6 is a schematic diagram of a gas drilling cuttings sampling apparatus provided by an embodiment of the present invention in a sampling state.
The embodiment provides a gas drilling rock debris sampling device which is used for sampling rock debris of gas drilling. By arranging the tube opening and closing device 30 and the debris blocking device 40, a dust settling chamber can be defined between the sampling tube 20 and the tube opening and closing device 30 and the debris blocking device 40. In this way, when sampling the rock debris in the sand discharge pipe 10, after the pipe opening/closing device 30 is opened, the rock debris enters the "dust settling chamber" from the pipe opening/closing device 30, and after the rock debris in the "dust settling chamber" satisfies the sampling number, the pipe opening/closing device 30 is closed. Because the pipe opening and closing device 30 is closed, the dust settling chamber is not communicated with the sand discharge pipeline 10, the air pressure in the dust settling chamber is gradually reduced, rock debris in the dust settling chamber is not impacted by the high speed of the air flow in the sand discharge pipeline 10, the rock debris tends to be in a static state in the dust settling chamber, and at the moment, the rock debris blocking device 40 is opened again to enable the rock debris in the dust settling chamber to fall into the cloth bag under the action of gravity, so that the high-speed ejection of the rock debris carried by the air in the sand discharge pipeline is avoided, the drifting of the rock debris is reduced, and the amount of the drifting rock debris dust sucked by an operator is reduced. The problem of because of the gas in the sand discharge pipeline 10 carries the tiny rock debris of volume to spout at a high speed in the sack, the rock debris dust in the sack is followed the air current and is strikeed easily by the sack, the rock debris dust that wafts is inhaled by operating personnel and is easily caused the dust injury is solved.
Referring to fig. 1, the present embodiment provides a gas drilling debris sampling apparatus, including:
the device comprises a sand discharge pipeline 10 and a sampling tube 20 communicated with the sand discharge pipeline 10, wherein a sampling opening is formed in one end of the sampling tube 20, the sampling tube 20 is provided with a tube opening and closing device 30 and a rock debris blocking device 40, the tube opening and closing device 30 is located at one end, close to the sand discharge pipeline 10, of the sampling tube 20, and the rock debris blocking device 40 is located at one end, close to the sampling opening, of the sampling tube 20.
Thus, the sampling tube 20, the tube opening/closing device 30 and the debris blocking device 40 can be enclosed into a "dust settling chamber", and when the debris in the sand discharge pipe 10 is sampled, the debris does not directly fall into the sampling bag 60 but is accumulated in the "dust settling chamber" due to the presence of the debris blocking device 40 after the tube opening/closing device 30 is opened. The pipe opening and closing device 30 is closed after the rock debris in the dust settling chamber meets the sampling quantity. Because the pipe opening and closing device 30 is closed, the dust settling chamber is not communicated with the sand discharge pipeline 10, the air pressure in the dust settling chamber is gradually reduced, the rock debris in the dust settling chamber is not impacted by the high speed of the air flow in the sand discharge pipeline 10 any more, the rock debris tends to be in a static state in the dust settling chamber, and at the moment, the rock debris blocking device 40 is opened to enable the rock debris in the dust settling chamber to fall into the cloth bag under the action of gravity, so that the high-speed ejection of the rock debris carried by the air in the sand discharge pipeline is avoided, the flying of the rock debris is reduced, and the amount of the rock debris dust sucked by an operator is reduced.
In this embodiment, referring to fig. 1, the tube opening and closing device 30 includes a sealing plate 31 and a lifting mechanism 32, the sealing plate 31 is disposed in the sampling tube 20, the side wall of the sealing plate 31 is attached to the inner wall of the sampling tube 20, and the lifting mechanism 32 is connected to the bottom end of the sealing plate 31.
Thus, the side wall of the sealing plate 31 is attached to the inner wall of the sampling tube 20, and the sealing plate 31 can well play a role in sealing between the sand discharge pipeline 10 and the sampling tube 20.
The bottom end of the sealing plate 31 is connected to the elevating mechanism 32, so that the sealing plate 31 is moved in the sampling tube 20 by the "ascending action" and the "descending action" of the elevating mechanism 32. When the sealing plate 31 is pushed out of the sampling tube 20 by the lifting mechanism 32, the side wall of the sealing plate 31 is not attached to the inner wall of the sampling tube 20, the tube opening and closing device 30 is opened, and the rock debris enters the sampling tube 20 from the opening between the sealing plate 31 and the sampling tube 20 under the driving of the airflow flowing at high speed in the sand discharge pipeline 10; when the sealing plate 31 is pulled back into the sampling tube by the elevating mechanism 32, the sidewall of the sealing plate 31 and the inner wall of the sampling tube 20 are attached again, the tube opening/closing device 30 is closed, and the debris cannot enter the sampling tube 20 again.
In this embodiment, referring to fig. 1, the tube opening and closing device 30 further includes a sealing seat 33, the sealing seat 33 is disposed at the lower side of the sealing plate 31 and connected to the inner wall of the sampling tube 20, and a chip falling port 331 is disposed at the bottom end of the sealing seat 33.
Thus, a sealing seat 33 is provided in the sampling tube 20, and the sealing seat 33 is located below the sealing plate 31 and welded to the wall of the sampling tube 20. The upper end surface of the sealing seat 33 is fitted with the lower end bottom surface of the sealing plate 31, and the sealing effect of the tube closing apparatus can be improved. The sealing seat 33 can support and limit the sealing plate 31, and can prevent the sealing plate 31 from sliding into the sampling tube 20 too much.
In this embodiment, referring to fig. 1, the sealing plate 31 is a concave cambered plate, and a surface of the sealing seat 33 facing the sealing plate 31 is a cambered surface that is attached to a bottom surface of the sealing plate 31.
Thus, the sealing plate 31 has a concave arc-shaped plate, and when the pipe opening and closing device 30 is opened, the sealing plate 31 is lifted into the sand discharge pipe 10 to start sand collection. After the required amount of rock debris is filled in the dust settling chamber, the concave sealing plate 31 is pushed towards the sampling tube 20 under the high-pressure environment inside the sand discharge pipeline 10 until the tube opening and closing device 30 is closed, so that the use process is more labor-saving.
In this embodiment, referring to fig. 1, a sealing plate 31 is located at the connection port of the sampling tube 20 and the sand discharge line 10.
Thus, the sealing plate 31 is arranged at the connecting port of the sampling tube 20 and the sand discharge pipeline 10, so that the accumulation amount of the rock debris on the top end surface of the sealing plate 31 can be avoided as much as possible, the accuracy of the collected rock debris can be ensured, and the rock debris accumulated on the front section can be avoided as much as possible to be mistakenly considered as the rock debris collected at that time.
In this embodiment, referring to fig. 1, the lifting mechanism 32 includes a top rod 321 and an operating rod 322, one end of the top rod 321 is connected to the bottom end of the sealing plate 31, the other end of the top rod 321 is hinged to one end of the operating rod 322, the other end of the operating rod 322 extends out of the sampling tube 20 from the side opening, and the operating rod 322 is hinged to the tube wall of the sampling tube 20.
Thus, one end of the push rod 321 is connected with the bottom end of the sealing plate 31, the other end of the operating rod 322 is hinged with the operating rod 322, the operating rod 322 is hinged with the tube wall of the sampling tube 20 to form a fulcrum of the lever, and the operating rod 322 extends out from the side opening of the sampling tube 20 to facilitate the operation of the operating rod 322 by a worker. The operator rotates the operating rod 322 to drive the push rod 321 to move, so as to drive the sealing plate 31 to move in the sampling tube 20, thereby completing the opening and closing operation of the tube opening and closing device 30.
In this embodiment, as shown in fig. 1, an elastic sealing member 50 is disposed between the side opening and the operating rod 322.
Thus, the elastic sealing member 50 is provided at the side opening of the sampling tube 20, and the elastic sealing member 50 is provided between the operation rod 322 and the side opening of the sampling tube 20, thereby sealing the side opening and preventing the debris in the "clean room" from escaping from the side opening.
In this embodiment, the elastic sealing member 50 is made of rubber, silicon rubber, or other elastic and durable material 50.
In this embodiment, referring to fig. 1 and 2, the debris blocking device 40 includes a fixed baffle 41 and a movable baffle 42, the fixed baffle 41 is connected to the sampling tube 20, and the movable baffle 42 is inserted into the sampling tube 20 through a side socket of the sampling tube 20.
Like this, the pipe wall of sampling tube 20 is equipped with side socket, and fixed stop 41 is located in the sampling tube 20, and adjustable stop 42 inserts to the sampling tube 20 in by the side socket of sampling tube 20, and the part that adjustable stop 42 inserted in the sampling tube 20 can splice into the baffle with fixed stop 41 to can accept the detritus that enters into "dust settling chamber", prevent that the detritus in "dust settling chamber" from leaking by the sample connection. When the rock debris in the dust chamber needs to be taken out, the movable baffle plate 42 is pulled out from the side insertion opening of the sampling tube 20, so that the rock debris in the dust chamber falls through the sampling opening of the sampling tube 20 and is taken out.
In this embodiment, referring to fig. 1, the fixed baffle 41 is half-moon shaped, the two fixed baffles 41 are symmetrically disposed on two sides of the lateral insertion opening, and the portion of the movable baffle 42 inserted into the sampling tube 20 is engaged with the two fixed baffles 41.
Like this, fixed stop 41 is the baffle of semilune, with the cambered surface laminating of fixed stop 41 and the inner wall welded fastening of sampling tube 20, fixed stop 41 sets up two, and fixed stop 41 is located the both sides setting of the side socket of sampling tube 20, and correspondingly, the portion that adjustable stop 42 inserted in sampling tube 20 agrees with mutually with two fixed stop 41 to constitute the baffle.
In this embodiment, as shown in FIG. 1, a sampling bag 60 is attached to the sampling port.
The sampling bag 60 is only an example in the present embodiment, and other containers having a collecting function may be used for collecting debris in addition to the sampling bag 60.
The use state of the present embodiment is as follows:
referring to fig. 3, when the gas drilling debris sampling apparatus of the present embodiment is in a standby state, the tube opening and closing device 30 is in a closed state, and the debris blocking device 40 is in a closed state, specifically:
the bottom surface of the sealing plate 31 is attached to the upper surface of the sealing seat 33, the chip falling port 331 is sealed by the sealing plate 31, the sand discharge pipeline 10 is not communicated with the dust settling chamber, and the rock chips in the sand discharge pipeline 10 are driven by the high-speed air flow in the sand discharge pipeline 10 to move in the sand discharge pipeline 10.
The movable baffle 42 is transversely inserted into the innermost side of the sampling port from the side socket of the sampling tube 20, the movable baffle 42 and the fixed baffle 41 are spliced into a partition plate, so that the dust settling chamber is not communicated with the sampling bag 60 arranged at the sampling port, and no rock debris exists in the dust settling chamber.
In this state, the sand discharge pipeline 10, the dust settling chamber and the sampling bag 60 are not communicated, the rock debris cannot enter the sampling tube 20 through the sand discharge pipeline 10, and no rock debris exists in the dust settling chamber.
Referring to fig. 4, when drilling to a certain stage and requiring sampling of rock debris in the sand discharge pipeline 10, the gas drilling rock debris sampling device of the present embodiment is in a debris entering state, the pipe opening and closing device 30 is in an open state, and the rock debris blocking device 40 is in a closed state, specifically:
the operating rod 322 is pulled downwards, one end of the operating rod 322, which is connected with the ejector rod 321, is jacked upwards, the sealing plate 31, which is connected with the upper end of the ejector rod 321, is driven to move upwards, at the moment, the sealing plate 31 is gradually separated from the sealing seat 33, and the rock debris is driven by the high-speed air flow in the sand discharge pipeline 10 to enter the dust settling chamber through the space between the sealing plate 31 and the sealing seat 33 via the debris falling port 331.
Because the rock debris blocking device 40 is still in a closed state, the rock debris entering the dust settling chamber falls on the partition plate formed by splicing the movable baffle 42 and the fixed baffle 41 to be accumulated and gradually fills the dust settling chamber, and a 'knocking method' or other methods can be adopted as a method for judging whether the dust settling chamber is filled with the rock debris.
The operation mode of the tapping method is to tap the outer side of the tube wall of the sampling tube 20 with an object and to make a judgment by listening. The knocking sound is clear and crisp, so that rock debris in the dust chamber is relatively less, and if the knocking sound is more and more dull until the sound is not obviously changed any more, the dust chamber is indicated to be filled with the rock debris.
Referring to fig. 5, when the "dust settling chamber" is filled with rock debris, and the gas drilling rock debris sampling apparatus of the present embodiment is in a dust settling state, the pipe opening and closing device 30 is in a closed state, and the rock debris blocking device 40 is in a closed state, specifically:
the operating rod 322 is loosened or pulled upwards, the sealing plate 31 moves downwards under the pushing of the air flow in the sand discharge pipeline 10 or the driving of the operating rod 322 until the sealing plate 31 moves to the bottom surface of the sealing plate 31 to be attached to the upper surface of the sealing seat 33, the chip falling port 331 is blocked by the sealing plate 31, the sand discharge pipeline 10 is not communicated with the dust settling chamber, and the rock chips in the sand discharge pipeline 10 are driven by the high-speed air flow in the sand discharge pipeline 10 to move in the sand discharge pipeline 10. And waiting for the rock debris in the dust settling chamber to gradually approach to a static state, and finishing dust settling.
Referring to fig. 6, after the rock debris in the "dust settling chamber" gradually tends to a static state, when the gas drilling rock debris sampling device of the embodiment is in a sampling state, the pipe opening and closing device 30 is in a closed state, and the rock debris blocking device 40 is in an open state, specifically:
the movable baffle 42 is slowly drawn out from the side socket of the sampling tube 20, so that the dust settling chamber is communicated with the sampling bag 60 arranged at the sampling port, and the rock debris falls into the sampling bag 60 from the dust settling chamber downwards through the sampling port under the action of gravity. After the rock debris completely falls into the sampling bag 60, the movable baffle 42 is transversely inserted into the innermost side of the sampling port from the side insertion opening of the sampling tube 20, the movable baffle 42 and the fixed baffle 41 are spliced into a partition plate, so that the dust settling chamber is not communicated with the sampling bag 60 arranged at the sampling port, and the gas drilling rock debris sampling device returns to a standby state.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixed or indirectly connected through intervening media, or may be interconnected between two elements or may be in the interactive relationship between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover an exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a gas drilling detritus sampling device, includes sand discharge pipeline and the sampling tube that communicates with sand discharge pipeline, the one end of sampling tube has sample connection, its characterized in that: the sampling tube is equipped with a pipe switching device and detritus blocking device, a pipe switching device is located the sampling tube is close to the one end of sand discharge pipeline, detritus blocking device is located the sampling tube is close to the one end of sample connection.
2. The gas drilling cuttings sampling apparatus of claim 1, wherein: the tube opening and closing device comprises a sealing plate and a lifting mechanism, the sealing plate is arranged in the sampling tube, the side wall of the sealing plate is attached to the inner wall of the sampling tube, and the lifting mechanism is connected with the bottom end of the sealing plate.
3. The gas drilling cuttings sampling apparatus of claim 2, wherein: the tube opening and closing device further comprises a sealing seat, the sealing seat is arranged on the lower side of the sealing plate and connected with the inner side tube wall of the sampling tube, and a chip falling port is arranged at the bottom end of the sealing seat.
4. A gas drilling cuttings sampling apparatus as defined in claim 3, wherein: the sealing plate is a concave cambered plate, and one surface of the sealing seat facing the sealing plate is a cambered surface attached to the bottom surface of the sealing plate.
5. A gas drilling cuttings sampling apparatus as claimed in any one of claims 2 to 4, wherein: the sealing plate is positioned at a connecting port of the sampling pipe and the sand discharge pipeline.
6. A gas drilling cuttings sampling apparatus as claimed in any one of claims 2 to 4, wherein: the lifting mechanism comprises an ejector rod and an operating rod, one end of the ejector rod is connected to the bottom end of the sealing plate, the other end of the ejector rod is hinged to one end of the operating rod, the other end of the operating rod extends out of the sampling tube from the side opening of the sampling tube, and the operating rod is hinged to the tube wall of the sampling tube.
7. The gas drilling cuttings sampling apparatus of claim 6, wherein: an elastic sealing element is arranged between the side opening and the operating rod.
8. A gas drilling cuttings sampling apparatus as claimed in any one of claims 1 to 4, wherein: the detritus blocking device includes fixed stop and adjustable fender, fixed stop connect in the sampling tube, adjustable fender by the side socket of sampling tube inserts extremely in the sampling tube.
9. The gas drilling cuttings sampling apparatus of claim 8, wherein: the fixed baffle is half moon-shaped, two fixed baffles are symmetrically arranged on two sides of the lateral socket, and the part of the movable baffle inserted into the sampling pipe is matched with the two fixed baffles.
10. A gas drilling cuttings sampling apparatus as claimed in any one of claims 1 to 4, wherein: the sampling port is connected with a sampling bag.
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Citations (6)
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GB847097A (en) * | 1956-01-20 | 1960-09-07 | Phillips Petroleum Co | Improvements in sampling well cuttings |
CN2856415Y (en) * | 2005-11-05 | 2007-01-10 | 辽河石油勘探局 | Rock chips sampler for gas drilling |
CN202793833U (en) * | 2012-07-27 | 2013-03-13 | 中国石油化工股份有限公司 | Gas drilling cutting collection device |
CN204311978U (en) * | 2014-11-18 | 2015-05-06 | 中国石油天然气股份有限公司 | Pdc drill bit and gas drilling system |
CN204716235U (en) * | 2015-06-30 | 2015-10-21 | 西南石油大学 | A kind of gas drilling debris sampler |
CN206220895U (en) * | 2016-11-22 | 2017-06-06 | 西南石油大学 | A kind of oil reservoir well logging crawler type cutting sampling device |
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2020
- 2020-11-11 CN CN202011254171.9A patent/CN114486348B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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GB847097A (en) * | 1956-01-20 | 1960-09-07 | Phillips Petroleum Co | Improvements in sampling well cuttings |
CN2856415Y (en) * | 2005-11-05 | 2007-01-10 | 辽河石油勘探局 | Rock chips sampler for gas drilling |
CN202793833U (en) * | 2012-07-27 | 2013-03-13 | 中国石油化工股份有限公司 | Gas drilling cutting collection device |
CN204311978U (en) * | 2014-11-18 | 2015-05-06 | 中国石油天然气股份有限公司 | Pdc drill bit and gas drilling system |
CN204716235U (en) * | 2015-06-30 | 2015-10-21 | 西南石油大学 | A kind of gas drilling debris sampler |
CN206220895U (en) * | 2016-11-22 | 2017-06-06 | 西南石油大学 | A kind of oil reservoir well logging crawler type cutting sampling device |
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