CN110778309A - Logging device of electron radiation generator based on X-ray - Google Patents
Logging device of electron radiation generator based on X-ray Download PDFInfo
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- CN110778309A CN110778309A CN201911076754.4A CN201911076754A CN110778309A CN 110778309 A CN110778309 A CN 110778309A CN 201911076754 A CN201911076754 A CN 201911076754A CN 110778309 A CN110778309 A CN 110778309A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/16—Drill collars
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
- G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
- G01V5/08—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
- G01V5/12—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma or X-ray sources
Abstract
The invention discloses a logging device of an electronic radiation generator based on X rays, and mainly relates to the technical field of logging while drilling. Including installing the casing in the drill collar, be equipped with the mud passageway along the axial of drill collar in the casing, be equipped with on the lateral wall of casing and hold the chamber, it has the silicone oil to hold to fill in the chamber, the upper portion that holds the intracavity is equipped with the X ray transmitter, the bottom that holds the intracavity is equipped with X ray transceiver, the top that holds the chamber is equipped with the first passageway that holds the chamber intercommunication, one side that holds the upper portion of chamber is equipped with and holds the second passageway of chamber intercommunication, be equipped with the cooling tube in the mud passageway, the one end and the first passageway intercommunication of cooling tube, the other end and second passageway intercommunication. The invention has the beneficial effects that: can effectively radiate and inhale the shake, have long service life, characteristics that the logging precision is high.
Description
Technical Field
The invention relates to the technical field of logging while drilling, in particular to a logging device of an electronic radiation generator based on X rays.
Background
Logging is a method of measuring geophysical parameters using the geophysical properties of the formation, such as electrochemical properties, electrical conductivity, acoustic properties, radioactivity, etc. The well logging methods are numerous, electricity, sound and radioactivity are three basic methods, while the radioactive well logging method is commonly adopted in the field of oil extraction, the well logging device is usually installed in a drill collar for well logging while drilling, because an electronic radiation generator in the well logging device can generate a large amount of heat during operation, the well logging device is positioned underground during well logging and cannot be cooled in a conventional heat dissipation mode, and in the operation process of the drill collar, large vibration is generated, and the service life and the well logging precision of the well logging device are damaged along with high heat and vibration.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides the logging device of the electronic radiation generator based on the X-ray, which can effectively dissipate heat and absorb shock, and has the characteristics of long service life and high logging precision.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a logging device of an electronic radiation generator based on X-rays comprises a shell arranged in a drill collar, wherein a slurry channel is arranged in the shell along the axial direction of the drill collar, a containing cavity is arranged on the side wall of the shell and filled with silicone oil, an X-ray emitter is arranged at the upper part in the containing cavity and soaked in the silicone oil, a metal tube is connected to the bottom of the X-ray emitter, a target is arranged in the metal tube, an X-ray transceiver is arranged at the bottom in the containing cavity, the outer wall of the X-ray transceiver is abutted against the inner wall of the containing cavity, a sealing ring is arranged between the top of the X-ray transceiver and the containing cavity, the metal tube is inserted into the X-ray transceiver, a source collimator channel matched with the target is arranged on the X-ray transceiver, a first window matched with the source collimator channel is arranged on the outer wall of the drill collar, the downside of source collimator passageway is equipped with near-end X ray detector, be equipped with the second window that suits with near-end X ray detector on the outer wall of drill collar, the downside of near-end X ray detector is equipped with far-end X ray detector, be equipped with the third window that suits with far-end X ray detector on the outer wall of drill collar, the top that holds the chamber is equipped with the first passageway that holds the chamber intercommunication, one side that holds the upper portion of chamber is equipped with and holds the second passageway of chamber intercommunication, be equipped with the cooling tube in the mud passageway, the one end and the first passageway intercommunication of cooling tube, the other end and second passageway intercommunication.
The radiating pipe is an annular radiating pipe.
The radiating pipe is embedded on the inner wall of the slurry channel.
First check valves are inlaid in the first channel and the second channel, and organic silicon oil in the accommodating cavity enters the radiating pipe through one of the first check valves and flows back to the accommodating cavity through the other first check valve.
The top of holding the chamber is equipped with the chamber of keeping in, the bottom of keeping in the chamber is vertically equipped with two and the third passageway that holds the chamber intercommunication, it has the second check valve to inlay in the third passageway, two the opposite direction of second check valve.
Compared with the prior art, the invention has the beneficial effects that:
the containing cavity is filled with the organic silicon oil, the organic silicon oil can play a role in buffering impact suffered by an X-ray emitter in the containing cavity, heat-generating parts in the containing cavity are all placed in the organic silicon oil, the organic silicon oil can be used for quickly absorbing heat generated on the X-ray emitter and other parts, the radiating pipe and the containing cavity are connected into a circulating loop through the first channel and the second channel, the organic silicon oil expands after being heated, so that the pressure intensity in the containing cavity is increased, at the moment, the organic silicon oil can enter the radiating pipe through the first channel and then flows back to the containing cavity through the second channel, and the slurry in the slurry channel is used for radiating the organic silicon oil in the radiating pipe, so that the heat radiation and shock absorption can be effectively realized, the service life is long, and the well measuring precision is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
The reference numbers in the drawings: 1. a drill collar; 2. a housing; 3. a slurry channel; 4. an accommodating chamber; 5. an X-ray emitter; 6. a metal tube; 7. a target; 8. an X-ray transmitting/receiving device; 9. a source collimator channel; 10. a near-end X-ray detector; 11. a remote X-ray detector; 12. a first channel; 13. a second channel; 14. a radiating pipe; 15. a temporary storage cavity; 16. a third channel.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a logging device of an electronic radiation generator based on X-rays, which comprises a shell 2 arranged in a drill collar 1, wherein a slurry channel 3 is arranged in the shell 2 along the axial direction of the drill collar 1, and an accommodating cavity 4 is arranged on the side wall of the shell 2, so that the logging device is convenient to process. It has the silicone oil to hold to fill in the chamber 4, the upper portion that holds in the chamber 4 is equipped with X ray emitter 5, X ray emitter 5 soaks in silicone oil, and silicone oil can play the cushioning effect to the impact that X ray emitter 5 suffered in holding chamber 4, and holds the heat production spare part in the chamber 4 and all arrange silicone oil in, utilizes silicone oil can follow the quick absorption of the heat that produces on parts such as X ray emitter 5. The bottom of the X-ray emitter 5 is connected with a metal tube 6, and a target 7 is arranged in the metal tube 6 and used for emitting X-ray beams. The bottom in holding chamber 4 is equipped with X ray transceiver 8, the outer wall of X ray transceiver 8 with hold the inner wall butt in chamber 4, and X ray transceiver 8's top and hold and be equipped with the sealing washer between the chamber 4 for prevent that silicone oil from revealing. The metal tube 6 is inserted into the X-ray receiving and transmitting device 8, a source collimator channel 9 which is matched with the target 7 is arranged on the X-ray receiving and transmitting device 8, a first window which is matched with the source collimator channel 9 is arranged on the outer wall of the drill collar 1, and the source collimator channel 9 can provide a strong X-ray beam from the target 7 and inhibit radiation in other directions. A near-end X-ray detector 10 is arranged on the lower side of the source collimator channel 9, a second window which is matched with the near-end X-ray detector 10 is arranged on the outer wall of the drill collar 1, a far-end X-ray detector 11 is arranged on the lower side of the near-end X-ray detector 10, a third window which is matched with the far-end X-ray detector 11 is arranged on the outer wall of the drill collar 1, and X-rays returning to the shell 2 are monitored by the near-end X-ray detector 10 through the second window or monitored by the far-end X-ray detector 11 through the third window. The top that holds chamber 4 is equipped with the first passageway 12 that holds chamber 4 intercommunication, the one side that holds the upper portion of chamber 4 is equipped with and holds the second passageway 13 of chamber 4 intercommunication, be equipped with cooling tube 14 in the mud passageway 3, the one end and the first passageway 12 intercommunication of cooling tube 14, the other end and second passageway 13 intercommunication, cooling tube 14 with hold and connect into circulation circuit through first passageway 12, second passageway 13 between the chamber 4. The containing cavity 4 is filled with the organic silicon oil, the organic silicon oil can play a role in buffering impact suffered by the X-ray emitter 5 in the containing cavity 4, heat-generating parts in the containing cavity 4 are all placed in the organic silicon oil, heat generated on the X-ray emitter 5 and other parts can be quickly absorbed by the organic silicon oil, the organic silicon oil expands after being heated, so that the pressure in the containing cavity 4 is increased, at the moment, the organic silicon oil can enter the radiating pipe 14 through the first channel 12 and then flows back to the containing cavity 4 through the second channel 13, and the organic silicon oil in the radiating pipe 14 is radiated by the mud in the mud channel 3, so that the heat and shock can be effectively radiated, the service life is prolonged, and the well measuring precision is improved.
Further, in order to improve the heat dissipation efficiency, the heat dissipation pipe 14 is an annular heat dissipation pipe, which can increase the contact area between the heat dissipation pipe and the outside, and further improve the heat dissipation efficiency of the present invention by increasing the contact area.
Further, in order to reduce the influence of the radiating pipe on the flow of the slurry, the radiating pipe 14 is embedded on the inner wall of the slurry channel 3.
Further, in order to ensure the flowing order of the silicone oil, first one-way valves are embedded in the first channel 12 and the second channel 13, and the silicone oil in the accommodating cavity 4 enters the radiating pipe 14 through one of the first one-way valves and flows back to the accommodating cavity 4 through the other one of the first one-way valves.
In order to prevent the drill collar or the casing from being damaged due to the fact that the temperature of the organic silicon oil rises too fast, a temporary storage cavity 15 is arranged at the top of the accommodating cavity 4, two third channels 16 communicated with the accommodating cavity 4 are vertically arranged at the bottom of the temporary storage cavity 15, second one-way valves are embedded in the third channels 16, the directions of the two second one-way valves are opposite, when the temperature of the organic silicon oil rises too fast, the volume of the organic silicon oil is increased fast, the pressure in the accommodating cavity 4 rises correspondingly, the organic silicon oil is squeezed into the temporary storage cavity 15 and used for temporarily storing the organic silicon oil, and the drill collar or the casing is prevented from being damaged due to the fact that the temperature of the organic silicon.
Example (b): the invention relates to a logging device of an electronic radiation generator based on X-rays, which comprises a shell 2 arranged in a drill collar 1, wherein a slurry channel 3 is arranged in the shell 2 along the axial direction of the drill collar 1, and an accommodating cavity 4 is arranged on the side wall of the shell 2, so that the logging device is convenient to process. The accommodating cavity 4 is filled with organic silicon oil, and the outer wall of the drill collar 1 is provided with an oil filling port and an oil plug. The upper portion of holding in the chamber 4 is equipped with X ray emitter 5, and X ray emitter 5 includes high voltage generator, X-ray tube, X ray emitter 5 soaks completely in silicone oil, and silicone oil can play the cushioning effect to the impact that X ray emitter 5 suffered in holding chamber 4, and holds the heat production spare part in the chamber 4 and all arrange silicone oil in, utilizes silicone oil can be fast siphoned away the heat that produces on parts such as X ray emitter 5. The bottom of the X-ray emitter 5 is connected with a metal tube 6, and a target 7 is arranged in the metal tube 6 and used for emitting X-ray beams. The bottom in the containing cavity 4 is provided with an X-ray receiving and transmitting device 8, the outer wall of the X-ray receiving and transmitting device 8 is abutted to the inner wall of the containing cavity 4, meanwhile, the outer wall of the X-ray receiving and transmitting device 8 is also abutted to the inner wall of the drill collar 1, and a sealing ring is arranged between the top of the X-ray receiving and transmitting device 8 and the containing cavity 4 and used for preventing organic silicon oil from leaking. The metal tube 6 is inserted into the X-ray receiving and transmitting device 8, a source collimator channel 9 which is matched with the target 7 is arranged on the X-ray receiving and transmitting device 8, a first window which is matched with the source collimator channel 9 is arranged on the outer wall of the drill collar 1, and the source collimator channel 9 can provide a strong X-ray beam from the target 7 and inhibit radiation in other directions. A near-end X-ray detector 10 is arranged on the lower side of the source collimator channel 9, a second window which is matched with the near-end X-ray detector 10 is arranged on the outer wall of the drill collar 1, a far-end X-ray detector 11 is arranged on the lower side of the near-end X-ray detector 10, a third window which is matched with the far-end X-ray detector 11 is arranged on the outer wall of the drill collar 1, and X-rays returning to the shell 2 are monitored by the near-end X-ray detector 10 through the second window or monitored by the far-end X-ray detector 11 through the third window. The top of the accommodating cavity 4 is provided with a first channel 12 communicated with the accommodating cavity 4, one side of the upper part of the accommodating cavity 4 is provided with a second channel 13 communicated with the accommodating cavity 4, and the slurry channel 3 is provided with a radiating pipe 14. preferably, in order to improve the radiating efficiency, the radiating pipe 14 is an annular radiating pipe, so that the contact area between the radiating pipe and the outside can be increased, and the radiating efficiency of the invention is improved by improving the contact area. Meanwhile, in order to reduce the influence of the radiating pipe on the flow of the slurry, the radiating pipe 14 may be embedded on the inner wall of the slurry channel 3. One end of the radiating pipe 14 is communicated with the first channel 12, the other end is communicated with the second channel 13, and the radiating pipe 14 is connected with the accommodating cavity 4 through the first channel 12 and the second channel 13 to form a circulation loop. Preferably, in order to ensure the flowing orderliness of the silicone oil, first one-way valves are embedded in the first channel 12 and the second channel 13, and the silicone oil in the accommodating cavity 4 can only flow into the radiating pipe 14 in one way through one of the first one-way valves and flow back into the accommodating cavity 4 in one way through the other one of the first one-way valves. Furthermore, in order to prevent the drill collar or the housing from being damaged due to the fact that the temperature of the organic silicon oil rises too fast, a temporary storage cavity 15 is arranged at the top of the accommodating cavity 4, two third channels 16 communicated with the accommodating cavity 4 are vertically arranged at the bottom of the temporary storage cavity 15, second one-way valves are embedded in the third channels 16, the directions of the two second one-way valves are opposite, when the temperature of the organic silicon oil rises too fast, the volume of the organic silicon oil is increased fast, the pressure in the accommodating cavity 4 rises correspondingly, the organic silicon oil is squeezed into the temporary storage cavity 15 and used for temporarily storing the organic silicon oil, and the drill collar or the housing is prevented from being damaged due to the fact that the temperature of the organic silicon oil rises. The containing cavity 4 is filled with the organic silicon oil, the organic silicon oil can play a role in buffering impact suffered by the X-ray emitter 5 in the containing cavity 4, heat-generating parts in the containing cavity 4 are all placed in the organic silicon oil, heat generated on the X-ray emitter 5 and other parts can be quickly absorbed by the organic silicon oil, the organic silicon oil expands after being heated, so that the pressure in the containing cavity 4 is increased, at the moment, the organic silicon oil can enter the radiating pipe 14 through the first channel 12 and then flows back to the containing cavity 4 through the second channel 13, and the organic silicon oil in the radiating pipe 14 is radiated by the mud in the mud channel 3, so that the heat and shock can be effectively radiated, the service life is prolonged, and the well measuring precision is improved.
Claims (5)
1. Logging device of electron radiation generator based on X ray, including installing casing (2) in drill collar (1), be equipped with mud passageway (3), its characterized in that along the axial of drill collar (1) in casing (2): be equipped with on the lateral wall of casing (2) and hold chamber (4), it has the silicone oil to fill in holding chamber (4), the upper portion that holds in chamber (4) is equipped with X ray emitter (5), X ray emitter (5) soak in silicone oil, the bottom of X ray emitter (5) is connected with tubular metal resonator (6), be equipped with target (7) in tubular metal resonator (6), the bottom that holds in chamber (4) is equipped with X ray transceiver (8), the outer wall of X ray transceiver (8) with hold the inner wall butt of chamber (4), and be equipped with the sealing washer between the top of X ray transceiver (8) and the chamber (4), tubular metal resonator (6) insert in X ray transceiver (8), and be equipped with source collimator passageway (9) that suit with target (7) on X ray transceiver (8), the device is characterized in that a first window which is matched with a source collimator channel (9) is arranged on the outer wall of the drill collar (1), a near-end X-ray detector (10) is arranged on the lower side of the source collimator channel (9), a second window which is matched with the near-end X-ray detector (10) is arranged on the outer wall of the drill collar (1), a far-end X-ray detector (11) is arranged on the lower side of the near-end X-ray detector (10), a third window which is matched with the far-end X-ray detector (11) is arranged on the outer wall of the drill collar (1), a first channel (12) communicated with a containing cavity (4) is arranged at the top of the containing cavity (4), a second channel (13) communicated with the containing cavity (4) is arranged on one side of the upper portion of the containing cavity (4), a radiating pipe (14) is arranged in the slurry channel (3), and one end of the radiating pipe (14) is communicated with the first channel, the other end is communicated with a second channel (13).
2. The X-ray based electron radiation generator logging device of claim 1, wherein: the radiating pipe (14) is an annular radiating pipe.
3. An X-ray based electron radiation generator logging device according to claim 1 or 2, characterized in that: the radiating pipe (14) is embedded on the inner wall of the slurry channel (3).
4. The X-ray based electron radiation generator logging device of claim 1, wherein: first one-way valves are inlaid in the first channel (12) and the second channel (13), and the organic silicon oil in the accommodating cavity (4) enters the radiating pipe (14) through one of the first one-way valves and flows back to the accommodating cavity (4) through the other one of the first one-way valves.
5. The X-ray based electron radiation generator logging device of claim 1, wherein: the top that holds chamber (4) is equipped with temporary storage chamber (15), the bottom of temporary storage chamber (15) is vertically equipped with two and holds third passageway (16) that chamber (4) communicate, it has the second check valve, two to inlay in third passageway (16) the direction of second check valve is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076754.4A CN110778309B (en) | 2019-11-06 | 2019-11-06 | Logging device of electron radiation generator based on X-ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076754.4A CN110778309B (en) | 2019-11-06 | 2019-11-06 | Logging device of electron radiation generator based on X-ray |
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| CN110778309A true CN110778309A (en) | 2020-02-11 |
| CN110778309B CN110778309B (en) | 2022-10-14 |
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