CN115653571A - Well temperature probe tube for geological drilling - Google Patents

Well temperature probe tube for geological drilling Download PDF

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Publication number
CN115653571A
CN115653571A CN202211312400.7A CN202211312400A CN115653571A CN 115653571 A CN115653571 A CN 115653571A CN 202211312400 A CN202211312400 A CN 202211312400A CN 115653571 A CN115653571 A CN 115653571A
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CN
China
Prior art keywords
sealing
temperature probe
ring
well
temperature
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Withdrawn
Application number
CN202211312400.7A
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Chinese (zh)
Inventor
闫志明
王金龙
邢国起
张红卫
李宁波
刘炳强
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Weifang University
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Weifang University
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Publication date
Application filed by Weifang University filed Critical Weifang University
Priority to CN202211312400.7A priority Critical patent/CN115653571A/en
Publication of CN115653571A publication Critical patent/CN115653571A/en
Withdrawn legal-status Critical Current

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Abstract

The invention relates to the technical field of geological drilling, in particular to a well temperature probe for geological drilling, which comprises a pipe body, wherein a temperature measuring component, a sealing component and a pushing component are arranged in the pipe body; according to the well temperature detecting tube for geological drilling, the temperature measuring component is driven to move by the pushing component, so that the temperature measuring component extends out of the tube body when well detection temperature measurement is needed, and the protection effect on the temperature measuring component in the lowering process of the detecting tube can be achieved; during carrying out exploratory well temperature measurement, through seal assembly's setting, can play multiple sealed effect, even outermost flexible seal retaining ring is receiving the wearing and tearing back, still can play good sealed effect, avoids during water in the exploratory well enters into the exploring tube lumen, and protection temperature measurement circuit is not damaged, guarantees that exploratory well temperature measurement work goes on smoothly.

Description

Well temperature detecting tube for geological drilling
Technical Field
The invention relates to the technical field of geological drilling, in particular to a well temperature probe for geological drilling.
Background
The well temperature detecting tube is used for geological drilling and underground temperature detection, and can measure the temperature of different sections of the well pipe under different depth conditions after one side of a collecting well head is conveyed to the lower part of the well pipe, so as to obtain geological temperature data. At present, the exploring tube on the market is mostly the encapsulation exploring tube of integral type, because there is water pressure in the well drilling, and the exploring tube is sinking the in-process, and the easy wearing and tearing fracture of the gluey sealing surface on exploring tube surface layer leads to the probe impaired, has influenced the precision of temperature measurement, especially when sealed when being damaged, and well water can enter into temperature probe from the encapsulation of crushing to further enter into the exploring tube lumen, make the temperature measurement circuit impaired, lead to the exploratory well temperature measurement work unable to go on.
Disclosure of Invention
The invention aims to provide a well temperature probe for geological drilling, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a well temperature probe tube for geological drilling, which comprises a tube body, wherein a temperature measuring component, a sealing component and a pushing component are arranged in the tube body;
the temperature measuring assembly is used for detecting temperature of a well, an opening is formed in one end of the pipe body, and the temperature measuring assembly is arranged corresponding to the opening;
the sealing assembly is used for sealing a gap between the pipe body and the temperature measuring assembly;
the pushing assembly is used for driving the temperature measuring assembly to move and comprises a motor, a fixing plate and an installation plate; the fixing plate is fixedly arranged on the inner wall of the pipe body, a threaded hole is formed in the middle of the fixing plate, a lead screw is fixedly connected to the output end of the motor, the lead screw is in threaded connection with the fixing plate through the threaded hole, the mounting plate is rotatably connected with one end, away from the motor, of the lead screw, and the temperature measuring assembly is arranged on one side, away from the lead screw, of the mounting plate; the motor is fixedly provided with a limiting sliding block, the inner wall of the pipe body is fixedly connected with a limiting sliding rail, and the limiting sliding block is connected to the limiting sliding rail in a sliding manner; the fixed plate is close to one side fixedly connected with guide bar of mounting panel, the mounting panel slip cap is established on the guide bar.
Preferably, the temperature measuring component comprises a temperature probe and a temperature probe coupled to the temperature probe, the temperature probe is fixedly mounted on the mounting plate, and the temperature probe is matched with the opening.
Preferably, the sealing assembly comprises a first sealing element arranged at the opening, the first sealing element comprises a protective sleeve fixedly arranged on the outer wall of the pipe body, and the protective sleeve is arranged coaxially with the opening; the inner wall of the protective sleeve is far away from one end of the tube body and is fixedly connected with an elastic sealing check ring, and the inner side of the elastic sealing check ring is fixedly sleeved on the temperature probe.
Preferably, one end of the inner wall of the protective sleeve, which is close to the tube body, is fixedly connected with an elastic water retaining ring, the elastic water retaining ring is slidably sleeved on the temperature probe, and the elastic water retaining ring is abutted against the temperature probe; the side wall of the protective sleeve is provided with a water outlet, a one-way valve is installed in the water outlet, and the water outlet is flush with one side, close to the elastic sealing check ring, of the elastic water retaining ring.
Preferably, the sealing assembly further comprises a second sealing element arranged on the inner side of the pipe body, the second sealing element comprises a sealing ring fixedly arranged on the inner wall of the pipe body, the sealing ring is sleeved on the temperature probe, and a gap is formed between the sealing ring and the temperature probe; the sealing ring is kept away from one side fixedly connected with sealing sleeve of mounting panel, sealing sleeve with the coaxial setting of temperature probe, the fixed cover in temperature probe lateral wall bottom is equipped with the piston, the piston with sealing sleeve's inner wall sliding connection, the piston with the spacing cooperation of sealing ring.
Preferably, the temperature probe is sleeved with a sealing plate and a spring in a sliding manner, the two ends of the spring are respectively fixedly connected with the sealing plate and the mounting plate, and the sealing plate is abutted to the sealing ring.
Preferably, a sealing gasket is fixedly installed on one side, close to the sealing ring, of the sealing plate.
Preferably, the inner wall of the protective sleeve is connected with a movable check ring in a sliding manner, the movable check ring is sleeved on the temperature probe in a sliding manner, and the movable check ring is arranged between the elastic sealing check ring and the water outlet; the movable retainer ring is characterized in that limiting blocks are arranged on two sides of the movable retainer ring and fixedly connected with the protective sleeve.
Preferably, the movable check ring is a rubber ring, and the friction force between the movable check ring and the temperature probe is greater than the friction force between the movable check ring and the protective sleeve.
The invention discloses the following technical effects:
according to the well temperature detecting tube for geological drilling, the temperature measuring component is driven to move by the pushing component, so that the temperature measuring component extends out of the tube body when well detection temperature measurement is needed, and the protection effect on the temperature measuring component in the lowering process of the detecting tube can be achieved; during carrying out exploratory well temperature measurement, through seal assembly's setting, can play multiple sealed effect, even outermost elastic sealing retaining ring receives wearing and tearing back, still can play good sealed effect, avoids the water in the exploratory well to enter into the exploring tube lumen, and protection temperature measurement circuit is not damaged, guarantees that exploratory well temperature measurement work goes on smoothly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a well temperature probe for geological drilling according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
the device comprises a pipe body-1, a motor-2, a fixing plate-3, a mounting plate-4, a screw rod-5, a limiting slide block-6, a limiting slide rail-7, a guide rod-8, a temperature probe-9, a temperature probe-10, a protective sleeve-11, an elastic sealing check ring-12, an elastic water retaining ring-13, a one-way valve-14, a sealing ring-15, a sealing sleeve-16, a piston-17, a sealing plate-18, a spring-19, a movable check ring-20 and a limiting block-21.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a well temperature probe for geological drilling, which comprises a pipe body 1, wherein a temperature measuring component, a sealing component and a pushing component are arranged in the pipe body 1;
the temperature measuring component is used for detecting the temperature of the exploratory well, one end of the pipe body 1 is provided with an opening, and the temperature measuring component is arranged corresponding to the opening;
the sealing assembly is used for sealing a gap between the pipe body 1 and the temperature measuring assembly;
the pushing assembly is used for driving the temperature measuring assembly to move and comprises a motor 2, a fixing plate 3 and a mounting plate 4; the fixing plate 3 is fixedly arranged on the inner wall of the pipe body 1, a threaded hole is formed in the middle of the fixing plate 3, the output end of the motor 2 is fixedly connected with a screw rod 5, the screw rod 5 is in threaded connection with the fixing plate 3 through the threaded hole, the mounting plate 4 is rotatably connected with one end, far away from the motor 2, of the screw rod 5, and the temperature measuring assembly is mounted on one side, far away from the screw rod 5, of the mounting plate 4; a limiting slide block 6 is fixedly arranged on the motor 2, a limiting slide rail 7 is fixedly connected on the inner wall of the tube body 1, and the limiting slide block 6 is connected on the limiting slide rail 7 in a sliding manner; one side of the fixed plate 3 close to the mounting plate 4 is fixedly connected with a guide rod 8, and the mounting plate 4 is sleeved on the guide rod 8 in a sliding manner.
Furthermore, the temperature measurement assembly comprises a temperature probe 9 and a temperature probe 10 coupled to the temperature probe 9, the temperature probe 9 is fixedly mounted on the mounting plate 4, and the temperature probe 10 is matched with the opening.
Further, the sealing assembly comprises a first sealing element arranged at the opening, the first sealing element comprises a protective sleeve 11 fixedly arranged on the outer wall of the tube body 1, and the protective sleeve 11 is coaxially arranged with the opening; one end of the inner wall of the protective sleeve 11, which is far away from the tube body 1, is fixedly connected with an elastic sealing check ring 12, and the inner side of the elastic sealing check ring 12 is fixedly sleeved on the temperature probe 10.
Through the setting of resilient seal retaining ring 12, when the opening of pushing away the subassembly on pushing away temperature probe 10 body 1, resilient seal retaining ring 12 extends, under the condition that does not influence temperature probe 10, utilizes resilient seal retaining ring 12 can seal the gap between temperature probe 10 and the protective case 11, avoids the water in the exploration well to enter into body 1, and protective case 11's setting can play the guard action to temperature probe 10 moreover.
Furthermore, one end of the inner wall of the protective sleeve 11, which is close to the tube body 1, is fixedly connected with an elastic water retaining ring 13, the elastic water retaining ring 13 is slidably sleeved on the temperature probe 10, and the elastic water retaining ring 13 is abutted against the temperature probe 10; the side wall of the protective sleeve 11 is provided with a water outlet, a one-way valve 14 is arranged in the water outlet, and the water outlet is flush with one side of the elastic water retaining ring 13 close to the elastic sealing check ring 12.
When the elastic sealing retainer ring 12 is damaged, the water can be prevented from entering the tube body 1 from the opening on the tube body 1 by the arrangement of the elastic water retaining ring 13. Meanwhile, a movable check ring 20 is connected to the inner wall of the protective sleeve 11 in a sliding manner, the movable check ring 20 is sleeved on the temperature probe 10 in a sliding manner, the movable check ring 20 is arranged between the elastic sealing check ring 12 and the water outlet, the movable check ring 20 is a rubber ring, and the friction force between the movable check ring 20 and the temperature probe 10 is greater than the friction force between the movable check ring 20 and the protective sleeve 11; both sides of the movable retainer ring 20 are provided with limiting blocks 21, and the limiting blocks 21 are fixedly connected with the protective sleeve 11. The temperature probe 10 can drive the movable check ring 20 to slide between the two limiting blocks 21 in the process of entering and exiting, the movable check ring 20 can further play a role of water blocking, and meanwhile, when the movable check ring 20 approaches the elastic water blocking ring 13, water entering between the movable check ring 20 and the elastic water blocking ring 13 can be discharged out of the protective sleeve 11 through the one-way valve 14.
Further, the sealing assembly further comprises a second sealing element arranged on the inner side of the pipe body 1, the second sealing element comprises a sealing ring 15 fixedly arranged on the inner wall of the pipe body 1, the sealing ring 15 is sleeved on the temperature probe 9, and a gap is formed between the sealing ring 15 and the temperature probe 9; one side fixedly connected with sealing sleeve 16 that mounting panel 4 was kept away from to sealing ring 15, sealing sleeve 16 and the coaxial setting of temperature probe 10, the fixed cover in temperature probe 10 lateral wall bottom is equipped with piston 17, and piston 17 is the rubber buffer, piston 17 and sealing sleeve 16's inner wall sliding connection, piston 17 and the spacing cooperation of sealing ring 15.
When the temperature probe 10 stretches out of the tube body 1, the piston 17 on the temperature probe 10 can slide in the sealing sleeve 16 along with the temperature probe 10, so that a cavity between the sealing ring 15 and the elastic water retaining ring 13 in the tube body 1 is in a micro-positive pressure state, the sealing effect of the elastic water retaining ring 13 can be achieved, even if water enters the tube body 1, the amount of the water is less, under the action of the piston 17 and the sealing sleeve 16, the water can be prevented from contacting a temperature detection circuit board of the temperature probe 9, and the normal temperature measurement work of the probe tube is ensured.
Furthermore, a sealing plate 18 and a spring 19 are slidably sleeved on the temperature probe 9, two ends of the spring 19 are respectively fixedly connected with the sealing plate 18 and the mounting plate 4, the sealing plate 18 is abutted against the sealing ring 15, and a sealing gasket is fixedly mounted on one side, close to the sealing ring 15, of the sealing plate 18.
Even if the piston 17 does not block the water from entering, the sealing plate 18 is always kept in a state of abutting against the sealing ring 15 under the action of the spring 19, and the effect of water blocking and water retaining can be achieved by adding the sealing gasket, so that the short circuit of the temperature detection circuit board is avoided. When the temperature probe 10 extends out of the pipe body 1, the spring 19 is compressed by the mounting plate 4, so that the acting force on the sealing plate 18 is increased, and the sealing effect between the sealing plate 18 and the sealing ring 15 is improved.
The invention provides a well temperature probe tube for geological drilling, which has the following working principle:
when the exploring tube is put down into an exploring well at a specified depth, the motor 2 is controlled to be started, the motor 2 drives the screw rod 5 to rotate, and due to the fact that the screw rod 5 is in threaded connection with the fixing plate 3, when the screw rod 5 rotates, the screw rod 5 and the fixing plate 3 can move relatively, at the moment, under the action of the screw rod 5, the limiting slide block 6 can slide along the limiting slide rail 7, and the mounting plate 4 can slide along the guide rod 8; the mounting plate 4 can drive the temperature probe 9 and the temperature probe 10 to move together when sliding along the guide rod 8, so that the temperature probe 10 extends out of the pipe body 1 from the opening to measure the temperature of the exploratory well. During carrying out exploratory well temperature measurement, through seal assembly's setting, can play multiple sealed effect, even outermost elastic sealing retaining ring 12 is receiving wearing and tearing back, still can play good sealed effect, avoids the water in the exploratory well to enter into the exploring tube lumen, and the protection temperature measurement circuit is not damaged, guarantees that exploratory well temperature measurement work goes on smoothly.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (9)

1. The well temperature probe tube for geological drilling is characterized by comprising a tube body (1), wherein a temperature measuring component, a sealing component and a pushing component are arranged inside the tube body (1);
the temperature measuring assembly is used for detecting temperature of a well, an opening is formed in one end of the pipe body (1), and the temperature measuring assembly is arranged corresponding to the opening;
the sealing assembly is used for sealing a gap between the pipe body (1) and the temperature measuring assembly;
the pushing assembly is used for driving the temperature measuring assembly to move and comprises a motor (2), a fixing plate (3) and a mounting plate (4); the fixing plate (3) is fixedly installed on the inner wall of the pipe body (1), a threaded hole is formed in the middle of the fixing plate (3), a lead screw (5) is fixedly connected to the output end of the motor (2), the lead screw (5) is in threaded connection with the fixing plate (3) through the threaded hole, the installing plate (4) is rotatably connected with one end, away from the motor (2), of the lead screw (5), and the temperature measuring component is installed on one side, away from the lead screw (5), of the installing plate (4); a limiting sliding block (6) is fixedly mounted on the motor (2), a limiting sliding rail (7) is fixedly connected to the inner wall of the pipe body (1), and the limiting sliding block (6) is connected to the limiting sliding rail (7) in a sliding manner; the fixing plate (3) is close to one side fixedly connected with guide rod (8) of mounting panel (4), mounting panel (4) slip cap is established on guide rod (8).
2. The well temperature probe for geological drilling according to claim 1, characterized in that said temperature measuring assembly comprises a temperature probe (9) and a temperature probe (10) coupled to said temperature probe (9), said temperature probe (9) being fixedly mounted on said mounting plate (4), said temperature probe (10) being adapted to said opening.
3. Well thermodetector for geological drilling according to claim 2, characterized in that said sealing assembly comprises a first seal arranged at said opening, said first seal comprising a protective sleeve (11) fixedly mounted on the outer wall of said body (1), said protective sleeve (11) being arranged coaxially to said opening; one end, far away from the pipe body (1), of the inner wall of the protective sleeve (11) is fixedly connected with an elastic sealing check ring (12), and the inner side of the elastic sealing check ring (12) is fixedly sleeved on the temperature probe (10).
4. The well temperature probe for geological drilling according to claim 3, characterized in that one end of the inner wall of the protective sleeve (11) close to the pipe body (1) is fixedly connected with an elastic water retaining ring (13), the elastic water retaining ring (13) is slidably sleeved on the temperature probe (10), and the elastic water retaining ring (13) is abutted to the temperature probe (10); the side wall of the protective sleeve (11) is provided with a water outlet, a one-way valve (14) is installed in the water outlet, and the water outlet is flush with one side, close to the elastic sealing check ring (12), of the elastic water retaining ring (13).
5. The well temperature probe for geological drilling as claimed in claim 2, wherein said sealing assembly further comprises a second sealing element disposed inside said tubular body (1), said second sealing element comprising a sealing ring (15) fixedly mounted on the inner wall of said tubular body (1), said sealing ring (15) being fitted over said temperature probe (9), and a gap being provided between said sealing ring (15) and said temperature probe (9); keep away from sealing ring (15) one side fixedly connected with sealing sleeve (16) of mounting panel (4), sealing sleeve (16) with temperature probe (10) coaxial setting, the fixed cover in temperature probe (10) lateral wall bottom is equipped with piston (17), piston (17) with the inner wall sliding connection of sealing sleeve (16), piston (17) with sealing ring (15) limit fit.
6. The well temperature probe for geological drilling as defined in claim 5, wherein a sealing plate (18) and a spring (19) are slidably sleeved on said temperature probe (9), two ends of said spring (19) are respectively fixedly connected with said sealing plate (18) and said mounting plate (4), and said sealing plate (18) is abutted against said sealing ring (15).
7. The well temperature probe for geological drilling as claimed in claim 6, wherein a sealing gasket is fixedly mounted on one side of said sealing plate (18) close to said sealing ring (15).
8. The well temperature probe for geological drilling as claimed in claim 4, wherein a movable check ring (20) is slidably connected to the inner wall of the protective sleeve (11), the movable check ring (20) is slidably sleeved on the temperature probe (10), and the movable check ring (20) is arranged between the elastic sealing check ring (12) and the water outlet; both sides of the movable retainer ring (20) are provided with limiting blocks (21), and the limiting blocks (21) are fixedly connected with the protective sleeve (11).
9. Well temperature probe for geological drilling according to claim 8, characterized in that said movable collar (20) is a rubber collar and the friction between said movable collar (20) and said temperature probe (10) is greater than the friction between said movable collar (20) and said protective sleeve (11).
CN202211312400.7A 2022-10-25 2022-10-25 Well temperature probe tube for geological drilling Withdrawn CN115653571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211312400.7A CN115653571A (en) 2022-10-25 2022-10-25 Well temperature probe tube for geological drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211312400.7A CN115653571A (en) 2022-10-25 2022-10-25 Well temperature probe tube for geological drilling

Publications (1)

Publication Number Publication Date
CN115653571A true CN115653571A (en) 2023-01-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211312400.7A Withdrawn CN115653571A (en) 2022-10-25 2022-10-25 Well temperature probe tube for geological drilling

Country Status (1)

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CN (1) CN115653571A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116892965A (en) * 2023-09-11 2023-10-17 浙江力夫传感技术有限公司 Probe structure of temperature and humidity transmitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116892965A (en) * 2023-09-11 2023-10-17 浙江力夫传感技术有限公司 Probe structure of temperature and humidity transmitter
CN116892965B (en) * 2023-09-11 2024-01-16 浙江力夫传感技术有限公司 Probe structure of temperature and humidity transmitter

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Application publication date: 20230131

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