CN211235001U - High-temperature calibration device for gyro probe while drilling - Google Patents
High-temperature calibration device for gyro probe while drilling Download PDFInfo
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- CN211235001U CN211235001U CN202020225882.2U CN202020225882U CN211235001U CN 211235001 U CN211235001 U CN 211235001U CN 202020225882 U CN202020225882 U CN 202020225882U CN 211235001 U CN211235001 U CN 211235001U
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Abstract
The utility model relates to a high temperature calibration device for a gyro probe while drilling, which comprises a constant temperature cylinder and a sealing joint, wherein the bottom of the constant temperature cylinder is provided with a heating element for manufacturing constant temperature; a front lantern ring and a rear lantern ring are coaxially arranged in the constant temperature cylinder; the front lantern ring is positioned at the inlet of the thermostatic barrel, the reverse side of the rear lantern ring, which is equivalent to the front lantern ring, is connected with a push rod, and the push rod penetrates through the heating body and then extends out of the end face of the bottom of the thermostatic barrel; a lower abutting part is fixed on the heating body, the sealing joint is in threaded sealing connection with the inlet of the thermostatic barrel, the end face of the sealing joint is in threaded connection with a threaded rod, and the threaded rod extends into the sealing joint and fixes an upper abutting part; threaded rod, last butt portion, butt portion down and the annular ring centre of a circle of preceding lantern ring and lantern ring all lie in the constant temperature barrel axis, and this device is not influenced by manual operation, utilizes the mounting structure of mechanical type to realize the coaxial arrangement of exploring tube, and the precision is up to more than 99.9%, and in case equipment leaves the factory, the precision of any operating personnel installation is the same completely in the use.
Description
Technical Field
The utility model relates to a well drilling/hole probe test device, concretely relates to a high temperature calibration device that is used for following boring top probe.
Background
While drilling probes are commonly used in drilling boreholes, particularly in oilfield exploitation. The probing while drilling pipe is not only used as a transmission part of a drill bit, but also needs to carry out temperature detection, generally comprises an upper plug, a lower plug, a pressure resisting pipe and a circuit sensor framework, and needs to be subjected to high-temperature calibration for correcting working parameters of the probing while drilling pipe at different temperatures. For example, chinese patent publication No. CN205314990U discloses a high-temperature calibration device for a gyro probe while drilling, which is used to solve the problem of installation accuracy of the probe during high-temperature calibration. The probe tube and the support body are installed together through a slotted flat-end set screw, and the slotted flat-end set screw fixes the probe tube and adjusts the probe tube coaxially. The supporting seat is arranged in the thermos bottle, the assembly formed by assembling the probe tube and the supporting body is arranged in the thermos bottle and placed on the supporting seat, the probe tube and the supporting body are fixed by adopting the contact of a conical surface and a spherical surface, then the sleeve is connected to the thermos bottle body through threads, and the probe tube is kept in a coaxial state with the thermos bottle through a screw.
Practice monitoring for many times proves that the coaxial installation difficulty coefficient of the probe while drilling is extremely high, the four adjusting screws are used for propping against the outer circular surface of the probe, the angle of the probe is adjusted by screwing the adjusting screws into the probe, the probe is kept in a coaxial state with a vacuum bottle, and whether the probe is coaxial or not is difficult to observe by naked eyes in actual operation, so that the installation precision is greatly influenced by manual operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a high temperature calibration device for following drill top probe, does not receive manual operation to influence, utilizes the mounting structure of mechanical type to realize the coaxial arrangement who probes the pipe, and the precision is up to more than 99.9%, in case equipment dispatches from the factory, the precision of any operating personnel installation is identical in the use.
The purpose of the utility model is realized through the following technical scheme:
a high-temperature calibration device for a gyro probe while drilling comprises a constant-temperature cylinder and a sealing joint coaxially butted with the constant-temperature cylinder, wherein a heating body for manufacturing constant temperature is arranged at the bottom of the constant-temperature cylinder;
a front lantern ring and a rear lantern ring are coaxially arranged in the constant temperature cylinder, and the aperture of the front lantern ring and the aperture of the rear lantern ring are the same as the diameter of the probe;
the front lantern ring is positioned at the inlet of the thermostatic barrel, the reverse side of the rear lantern ring, which is equivalent to the front lantern ring, is connected with a push rod, and the push rod penetrates through the heating body and then extends out of the end face of the bottom of the thermostatic barrel;
a lower abutting part is fixed on the heating body, the sealing joint is in threaded sealing connection with the inlet of the thermostatic barrel, the end face of the sealing joint is in threaded connection with a threaded rod, and the threaded rod extends into the sealing joint and fixes an upper abutting part;
the threaded rod, the upper abutting part, the lower abutting part, the annular hole circle centers of the front lantern ring and the lantern ring are all located on the axis of the thermostatic barrel.
This scheme utilizes equipment to construct one promptly when preparation with a constant temperature section of thick bamboo coaxial last butt portion and butt portion down, the lantern ring before utilizing simultaneously with the lantern ring accomplish probe with a constant temperature section of thick bamboo coaxial positioning, then utilize butt portion and butt portion down to fix probe to the coaxial setting with a constant temperature section of thick bamboo of probe has been accomplished, make the probe lateral wall be heated evenly, improve the examination precision.
Further, the push rods are at least three and are evenly fixed on the side face of the rear lantern ring, the reverse ends of the push rods are fixed on a push block, and the length of each push rod meets the requirement that the rear lantern ring is pushed to be abutted against the front lantern ring. The plurality of push rods are arranged to ensure that the push rods can move uniformly when pushing the rear lantern ring.
Furthermore, a sealing cover is arranged at the bottom of the constant temperature cylinder, the push rod penetrates through the sealing cover and then extends out, and a sealing rubber ring for heat preservation is arranged at the penetrating position of the push rod and the sealing cover. The heating element can be replaced by the sealing cover, and the rear lantern ring can be taken down.
Further, the front lantern ring is fixedly connected with a gasket, and the gasket is positioned on the end face of the inlet of the thermostatic barrel;
the constant temperature barrel is provided with external threads and is in threaded connection with the sealing joint, a circle of pressing plate is arranged in the sealing joint, and after the sealing joint is in sealed connection with the constant temperature barrel, the pressing plate is just abutted against the gasket to compress the gasket.
This setting is sealed a constant temperature section of thick bamboo entry in order to utilize preceding lantern ring to guarantee that the interior temperature of a constant temperature section of thick bamboo can not run off fast.
Furthermore, a sealing rubber sleeve is arranged at the threaded connection position of the threaded rod and the sealing joint.
Furthermore, the opposite ends of the upper abutting part and the lower abutting part are conical, and the diameters of the upper abutting part and the lower abutting part do not exceed the diameter of the detected probe tube. The arrangement is that the back lantern ring needs to be withdrawn in the verification process, so that the temperature generated by the heating body can be radiated into the constant temperature cylinder.
Furthermore, the heating body is a constant temperature heating wire.
Furthermore, the outer side of the inlet end of the constant-temperature barrel is provided with a limiting block of a sealing joint, so that thread slipping caused by force exertion is avoided.
The utility model has the advantages that: this scheme is through setting up last butt portion and the lower butt portion of coaxial line in a constant temperature section of thick bamboo to and the coaxial line sets up preceding lantern ring and the back lantern ring that is used for assistance-localization real-time, thereby accomplish the coaxial fixed of exploring the pipe, whole operation process need not the manual regulation and explores whether pipe and a constant temperature section of thick bamboo lie in same axis, only need accomplish the butt target in place can, improved the examination precision greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view of the mounting of the front collar and spacer;
FIG. 3 is a cross-sectional view of the sealing joint;
FIG. 4 is a schematic view of the rear collar pushrod distribution;
fig. 5 is an insertion schematic diagram during the detection of the probe tube.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, a high-temperature calibration device for a gyro probe while drilling comprises a constant-temperature cylinder 1 and a sealing joint 2 coaxially butted with the constant-temperature cylinder 1, wherein a heating element 14 for manufacturing constant temperature is arranged at the bottom of the constant-temperature cylinder 1; the heating body 14 is a constant temperature heating wire or other heating element known in the art. The thermostatic cartridge 1 is preferably designed as a round cartridge, the outer wall of which is preferably covered with an insulating layer. A front lantern ring 4 and a rear lantern ring 5 are coaxially arranged in the thermostatic barrel 1. The outer diameters of the front lantern ring 4 and the rear lantern ring 5 are the same as the inner diameter of the thermostatic barrel 1, preferably a slight interference fit is formed, the hole diameters of the front lantern ring 4 and the rear lantern ring 5 are the same as the diameter of the probe tube 16, similarly, a slight interference fit is preferably formed, the slight interference fit referred to herein means that the front lantern ring 4 and the rear lantern ring 5 are relatively tight and can still slide relatively, and in order to avoid the phenomenon that the probe tube 16 cannot slide, a proper amount of lubricating oil can be added between the thermostatic barrel 1 and the front lantern ring 4 and between the probe tube 16 and the front lantern ring 4 and between the probe tube 5 and the rear lantern ring 5. Preferably, the front lantern ring 4 is positioned at the inlet of the thermostatic barrel 1, the rear lantern ring 5 is connected with the push rod 6 on the reverse side of the front lantern ring 4, and the push rod 6 penetrates through the heating body 14 and then extends out of the end face of the bottom of the thermostatic barrel 1; a lower abutting part 13 is fixed on the heating body 14, the sealing joint 2 is in threaded sealing connection with the inlet of the thermostatic barrel 1, the end face of the sealing joint 2 is in threaded connection with a threaded rod 11, and the threaded rod 11 extends into the sealing joint 2 and fixes an upper abutting part 10; the centers of the threaded rod 11, the upper abutting part 10, the lower abutting part 13 and the annular holes of the front lantern ring 4 and the lantern ring 5 are all positioned on the axis of the thermostatic barrel 1. In the verification state, as shown in fig. 1, the upper abutting portion 10 and the lower abutting portion 13 abut against two ends of the probe tube 16 respectively, wherein the rear sleeve ring 5 is withdrawn from the probe tube 16, so that the verification section of the probe tube 16 and the heating element 14 are in the same constant temperature cavity. As a further optimization of the present embodiment, at least three push rods 6 are uniformly fixed on the side surface of the rear collar 5, and in the present embodiment, four push rods 6 are designed in total, and the distribution schematic diagram can be referred to fig. 4. The reverse end of the push rod 6 is fixed on a push block 7, and the length of the push rod 6 meets the requirement that the rear lantern ring 5 is pushed to be abutted against the front lantern ring 4. The bottom of the constant temperature cylinder 1 is provided with a sealing cover 3, the push rod 6 penetrates through the sealing cover 3 and then extends out, and a sealing rubber ring 8 for heat preservation is arranged at the penetrating position of the push rod 6 and the sealing cover 3. As shown in fig. 2, the front collar 4 is fixedly connected with a gasket 9, and the gaskets 9 of the front collar 4 are fixedly connected with each other through a connecting part 41 to form a whole. The packing ring 9 is located the entry terminal surface of a constant temperature section of thick bamboo 1 and forms spacingly for its position is unchangeable at its in-process of inserting to spy pipe 16, when spy pipe 16 inserts, promotes back lantern ring 5 and preceding lantern ring 4 butt, as shown in fig. 5, can make things convenient for like this to visit pipe 16 easily to insert in preceding lantern ring 4 and the back lantern ring 5. As shown in figure 3, the thermostatic cartridge 1 is provided with external threads and is in threaded connection with the sealing joint 2, and the outer side of the inlet end of the thermostatic cartridge 1 is provided with a limiting block 15 of the sealing joint 2 to prevent the threaded connection from being over-positioned. A circle of pressing plates 21 are arranged in the sealing joint 2, and after the sealing joint 2 is in sealing connection with the thermostatic barrel 1, the pressing plates 21 are just abutted against the gasket 9 to press the gasket tightly. More preferably, a sealing rubber sleeve 12 is arranged at the threaded connection part of the threaded rod 11 and the sealing joint 2. The opposite ends of the upper abutting part 10 and the lower abutting part 13 are conical, and the diameters of the upper abutting part 10 and the lower abutting part 13 do not exceed the diameter of the verified probe tube 16.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. A high-temperature calibration device for a gyro probe while drilling is characterized by comprising a constant-temperature cylinder (1) and a sealing joint (2) coaxially butted with the constant-temperature cylinder (1), wherein a heating body (14) for manufacturing constant temperature is arranged at the bottom of the constant-temperature cylinder (1);
a front lantern ring (4) and a rear lantern ring (5) are coaxially arranged in the constant temperature barrel (1), and the diameters of the front lantern ring (4) and the rear lantern ring (5) are the same as the diameter of the probe tube (16);
the front lantern ring (4) is positioned at the inlet of the thermostatic barrel (1), the reverse side of the rear lantern ring (5) which is equivalent to the front lantern ring (4) is connected with a push rod (6), and the push rod (6) penetrates through the heating body (14) and then extends out of the end face of the bottom of the thermostatic barrel (1);
a lower abutting part (13) is fixed on the heating body (14), the sealing joint (2) is in threaded sealing connection with the inlet of the thermostatic barrel (1), the end face of the sealing joint (2) is in threaded connection with a threaded rod (11), and the threaded rod (11) extends into the sealing joint (2) and fixes an upper abutting part (10);
the circle centers of the threaded rod (11), the upper abutting part (10), the lower abutting part (13), the front lantern ring (4) and the lantern ring (5) are all located on the axis of the thermostatic barrel (1).
2. The high-temperature calibration device for the gyro probe while drilling according to claim 1, wherein the number of the push rods (6) is at least three, the push rods are uniformly fixed on the side surface of the rear sleeve ring (5), the reverse ends of the push rods (6) are fixed on a push block (7), and the length of the push rods (6) is enough to push the rear sleeve ring (5) to abut against the front sleeve ring (4).
3. The high-temperature calibration device for the gyro probe while drilling according to claim 2, wherein a sealing cover (3) is arranged at the bottom of the thermostatic barrel (1), the push rod (6) extends out after penetrating through the sealing cover (3), and a sealing rubber ring (8) for heat preservation is arranged at the penetrating position of the push rod (6) and the sealing cover (3).
4. The high-temperature calibration device for the gyro probe while drilling as recited in claim 1, characterized in that the front collar (4) is fixedly connected with a gasket (9), and the gasket (9) is positioned on the inlet end face of the thermostatic barrel (1);
the constant temperature barrel (1) is provided with an external thread and is in threaded connection with the sealing joint (2), a circle of pressing plate (21) is arranged in the sealing joint (2), and after the sealing joint (2) is in sealed connection with the constant temperature barrel (1), the pressing plate (21) is just abutted against the gasket (9) to press the gasket.
5. The high-temperature calibration device for the gyro probe while drilling as recited in claim 1, characterized in that a sealing rubber sleeve (12) is arranged at the threaded connection part of the threaded rod (11) and the sealing joint (2).
6. The high-temperature calibration device for the gyro probe while drilling is characterized in that the opposite ends of the upper abutting part (10) and the lower abutting part (13) are tapered, and the diameters of the upper abutting part (10) and the lower abutting part (13) do not exceed the diameter of the calibrated probe (16).
7. The high-temperature calibration device for the gyro probe while drilling as recited in claim 1, wherein the heating element (14) is a constant-temperature heating wire.
8. The high-temperature calibration device for the gyro probe while drilling according to claim 1, wherein a limiting block (15) of the sealing joint (2) is arranged outside the inlet end of the constant-temperature barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225882.2U CN211235001U (en) | 2020-02-28 | 2020-02-28 | High-temperature calibration device for gyro probe while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225882.2U CN211235001U (en) | 2020-02-28 | 2020-02-28 | High-temperature calibration device for gyro probe while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211235001U true CN211235001U (en) | 2020-08-11 |
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ID=71933944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020225882.2U Active CN211235001U (en) | 2020-02-28 | 2020-02-28 | High-temperature calibration device for gyro probe while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211235001U (en) |
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2020
- 2020-02-28 CN CN202020225882.2U patent/CN211235001U/en active Active
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