CN219506707U - Pressure-bearing thermos bottle for directional instrument of high-temperature high-pressure petroleum inclinometer - Google Patents
Pressure-bearing thermos bottle for directional instrument of high-temperature high-pressure petroleum inclinometer Download PDFInfo
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- CN219506707U CN219506707U CN202320587507.6U CN202320587507U CN219506707U CN 219506707 U CN219506707 U CN 219506707U CN 202320587507 U CN202320587507 U CN 202320587507U CN 219506707 U CN219506707 U CN 219506707U
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Abstract
The utility model provides a directional instrument pressure-bearing type thermos for high temperature high pressure petroleum inclinometer, through the institutional advancement of outer pressure-bearing section of thick bamboo and inner bag, the thermos is combined into pressure-bearing type thermos, and on-the-spot convenient to use is swift, reduces the connection assembly, and isolation temperature effect has apparent promotion, and on-the-spot use safe and reliable, and the directional instrument temperature resistance that uses this pressure-bearing type thermos can reach 260 ℃, satisfies the demand of drilling on-the-spot to directional instrument temperature resistance level.
Description
Technical Field
The utility model belongs to the technical field of mechanical part measurement, and particularly relates to a pressure-bearing thermos bottle for a directional instrument of a high-temperature high-pressure petroleum inclinometer.
Background
The high-temperature high-pressure petroleum inclinometer directional instrument underground instrument string mainly comprises a rope cap head, a rope hanging head, a rotary joint, an extension rod, an outer pressure-bearing cylinder, a bottom shock absorber and the like, and the instruments bear high pressure when working underground. The downhole pressure is determined by the well depth, mud density and riser pressure at which the instrument is located, and is in positive correlation with the well depth, mud density and riser pressure. Along with the increase of well depth, the pressure and temperature born by the instruments become larger and larger, if the actual maximum pressure resistance is exceeded, the pressure-resistant cylinder of the instruments is exploded, so that mud enters the instruments to damage the whole string of instruments, and meanwhile, the instruments have to be drilled out without signals, so that the drilling out of the instruments can cause great economic loss. As the drilling depth becomes deeper and deeper, the bottom hole temperature becomes higher, and the conventional instrument cannot meet the field use requirement in temperature resistance.
When the instrument is used on the drilling site, the outer protection cylinder of the instrument and the thermos bottle are usually two assembled parts, and in the use process, the thermos bottle is arranged in the outer protection cylinder, and the pressure bearing and the isolation temperature are separated.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a pressure-bearing thermos bottle for a directional instrument of a high-temperature high-pressure petroleum inclinometer, which reduces the difficulty of field use and operation and improves the safety and reliability of the instrument.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the pressure-bearing thermos bottle for the directional instrument of the high-temperature high-pressure petroleum inclinometer comprises an outer pressure-bearing cylinder and an inner container, wherein the inner container is arranged inside the instrument and is in vacuum isolation with the outer pressure-bearing cylinder;
the two ends of the outer pressure-bearing cylinder are also respectively provided with a sealing joint with internal threads, the outer sides of the sealing joints at the two ends are respectively in threaded connection with copper joints arranged at the two ends of the instrument, and the copper joints are correspondingly positioned at the two ends of the instrument;
and a heat insulator, a heat absorber and a damping device are also sequentially and correspondingly connected between the copper joint and the inner container.
The heat insulator is in threaded connection with the copper joint and extends into the instrument, and the heat absorber is located between the heat insulator and the damping device.
The damping device comprises a damping upper head and a damping lower head which are arranged separately, the damping lower head is in threaded connection with the heat absorbing body, and a damping spring is further connected between the damping upper head and the damping lower head.
Damping rubber is further arranged between the damping spring and the damping lower head.
The sealing joint is in interference fit with the outer pressure-bearing cylinder.
And the sealing joint and the outer pressure-bearing cylinder are fixed by welding.
And the outer sides of the copper joints are also provided with protective caps.
The beneficial effects of the utility model are as follows:
(1) The pressure-bearing type thermos bottle for the directional instrument of the high-temperature and high-pressure petroleum inclinometer is composed of the outer pressure-bearing cylinder and the inner container through structural improvement, is convenient and quick to use on site, reduces a connecting assembly, has obvious isolation temperature effect, is safe and reliable to use on site, can resist the temperature of 260 ℃, and meets the requirement of a drilling site on the temperature resistance level of the directional instrument.
(2) The vacuum flask liner and the compression-resistant cylinder are combined into a whole, so that the complicated installation process is avoided in the use process, the vacuum layer thickness space is improved, the temperature isolation effect is better, the impact resistance is obviously improved, and the maintenance and use cost is saved for customers.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
The utility model provides a pressure-bearing thermos bottle for a directional instrument of a high-temperature high-pressure petroleum inclinometer, which is shown in figure 1.
The pressure-bearing thermos bottle for the directional instrument of the high-temperature and high-pressure petroleum inclinometer comprises an outer pressure-bearing cylinder 11, an inner cylinder 10, a damping spring 9, a damping upper head 8, a damping lower head 5, a damping rubber 6, a heat absorber 4, a heat insulator 3, a copper joint 2, a bottle mouth sealing joint 1 and a protective cap 7.
The outer pressure-bearing cylinder 11 is an instrument outer pressure-bearing and anti-scouring corrosion device and forms a relative vacuum isolation layer with the inner container 10; the inner container 10 is arranged inside the instrument and forms a relative vacuum isolation layer 13 with the outer pressure-bearing cylinder 11.
The copper joint 2 is located at two ends of the instrument, and two ends of the copper joint 2 are provided with external threads for connecting the upper part and the lower part of the instrument.
In the embodiment, the damping device comprises a damping spring 9, a damping upper head 8, a damping lower head 5 and damping rubber 6, and the damping device is formed in the instrument and is used for buffering impact generated during the throwing of the instrument; the damping upper head and the damping lower head are arranged separately, the damping lower head is in threaded connection with the heat absorber, and the damping spring is arranged between the damping upper head and the damping lower head; and the damping rubber is arranged between the damping spring and the damping lower head.
The bottle mouth sealing joint 1 is positioned at two ends of the outer pressure-bearing barrel 11, internal threads are arranged in the bottle mouth sealing joint and are connected with the copper joint 2, and the bottle mouth sealing joint and the outer pressure-bearing barrel 11 are connected by adopting laser welding after interference fit.
The insulator 3 is positioned inside the instrument, connected with the copper joint through threads and extends to the inside of the instrument, and is used for isolating heat energy generated by external high temperature; and the heat absorber 4 is positioned between the heat insulator 3 and the damping device and is used for absorbing residual heat energy, so that the internal temperature of the instrument is ensured to be below a certain range and is far lower than the external environment temperature.
The pressure-bearing thermos bottle is formed by combining the outer pressure-bearing cylinder and the inner container through the structural improvement of the outer pressure-bearing cylinder and the inner container, is convenient and quick to use on site, reduces a connecting assembly, has obvious improvement on isolation temperature effect, is safe and reliable to use on site, can reach 260 ℃ in temperature resistance of an orientation instrument using the pressure-bearing thermos bottle, and meets the requirement of a drilling site on the temperature resistance level of the orientation instrument.
The existing similar instruments in the market at present adopt a separation mode of a vacuum bottle and a compression-resistant cylinder, in the actual use process, the complexity of the assembly process is high, and the vacuum bottle is poor in impact resistance due to structural design, and is often damaged in the use process, so that the heat insulation effect is lost; the utility model combines the thermos bottle and the compression-resistant cylinder into a whole, avoids the complex installation process in the use process, simultaneously improves the vacuum layer thickness space, has better temperature isolation effect, obviously improves the impact resistance and saves the maintenance and use cost for customers.
Where the terms "first," "second," and the like are used in this patent to define components, those skilled in the art will recognize: the use of "first" and "second" is for convenience only as well as to simplify the description of the present utility model, and the words described above are not meant to be limiting.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which are all within the scope of the claimed utility model. The scope of the utility model is defined by the appended claims and equivalents.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "center", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Claims (7)
1. The utility model provides a be used for directional instrument pressure-bearing type thermos of high temperature high pressure petroleum inclinometer which characterized in that: comprises an outer pressure-bearing cylinder and an inner container, wherein the inner container is arranged inside the instrument and is in vacuum isolation with the outer pressure-bearing cylinder;
the two ends of the outer pressure-bearing cylinder are also respectively provided with a sealing joint with internal threads, the outer sides of the sealing joints at the two ends are respectively in threaded connection with copper joints arranged at the two ends of the instrument, and the copper joints are correspondingly positioned at the two ends of the instrument;
and a heat insulator, a heat absorber and a damping device are also sequentially and correspondingly connected between the copper joint and the inner container.
2. The pressure-bearing thermos bottle for the directional instrument of the high-temperature and high-pressure petroleum inclinometer as claimed in claim 1, wherein: the heat insulator is in threaded connection with the copper joint and extends into the instrument, and the heat absorber is located between the heat insulator and the damping device.
3. The pressure-bearing thermos bottle for the directional instrument of the high-temperature and high-pressure petroleum inclinometer as claimed in claim 1, wherein: the damping device comprises a damping upper head and a damping lower head which are arranged separately, the damping lower head is in threaded connection with the heat absorbing body, and a damping spring is further connected between the damping upper head and the damping lower head.
4. A pressure-bearing thermos for a directional instrument of a high temperature and high pressure petroleum inclinometer as set forth in claim 3, wherein: damping rubber is further arranged between the damping spring and the damping lower head.
5. A pressure-bearing thermos for a directional instrument of a high temperature high pressure petroleum inclinometer according to any one of claims 1 to 3, characterized in that: the sealing joint is in interference fit with the outer pressure-bearing cylinder.
6. The pressure-bearing thermos flask for the directional instrument of the high-temperature and high-pressure petroleum inclinometer of claim 5, wherein: and the sealing joint and the outer pressure-bearing cylinder are fixed by welding.
7. The pressure-bearing thermos flask for the directional instrument of the high-temperature and high-pressure petroleum inclinometer of claim 5, wherein: and the outer sides of the copper joints are also provided with protective caps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320587507.6U CN219506707U (en) | 2023-03-23 | 2023-03-23 | Pressure-bearing thermos bottle for directional instrument of high-temperature high-pressure petroleum inclinometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320587507.6U CN219506707U (en) | 2023-03-23 | 2023-03-23 | Pressure-bearing thermos bottle for directional instrument of high-temperature high-pressure petroleum inclinometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219506707U true CN219506707U (en) | 2023-08-11 |
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ID=87548316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320587507.6U Active CN219506707U (en) | 2023-03-23 | 2023-03-23 | Pressure-bearing thermos bottle for directional instrument of high-temperature high-pressure petroleum inclinometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219506707U (en) |
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2023
- 2023-03-23 CN CN202320587507.6U patent/CN219506707U/en active Active
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