CN215169957U - Neutron energy spectrum saturation logging instrument - Google Patents
Neutron energy spectrum saturation logging instrument Download PDFInfo
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- CN215169957U CN215169957U CN202121434169.XU CN202121434169U CN215169957U CN 215169957 U CN215169957 U CN 215169957U CN 202121434169 U CN202121434169 U CN 202121434169U CN 215169957 U CN215169957 U CN 215169957U
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Abstract
The utility model discloses a neutron energy spectrum saturation logging instrument, concretely relates to logging instrument technical field, its technical scheme is: including casing, back lid and rear joint, the back lid is installed at the casing left end, the rear joint is installed at the back lid left end, still includes: the anti-collision mechanism is arranged at the side end of the shell; anticollision institution includes the cardboard, the cardboard is installed at the casing outer wall, inboard erection bracing board one of cardboard, backup pad two, backup pad three and backup pad four, recess two is seted up to backup pad one, backup pad two, backup pad three and four sides of backup pad, two inboard erection bracing boards in the recess, the guard plate side is equipped with the gasket, the beneficial effects of the utility model are that: the protection mechanism is arranged at the detection end of the neutron energy spectrum saturation logging instrument, so that the detection end can be prevented from colliding in real time through the protection mechanism at the side end in the moving process.
Description
Technical Field
The utility model relates to a logging instrument field, concretely relates to neutron energy spectrum saturation logging instrument.
Background
The neutron logging is that the down-hole instrument equipped with neutron source and detector is placed in the well, because the fast neutron emitted by neutron source is moved outwards according to the ball shape, in the course of passing through the well hole medium and entering into rock stratum, the high-energy neutron and atomic nucleus of matter are interacted to decelerate, and diffused and absorbed energy is continuously lost or weakened, two different source distance detectors are adopted to measure the ratio of thermal neutron counting rate so as to reflect the rate of neutron density attenuation in the stratum along with source distance, the detection result is transferred into ground instrument by means of cable, and the curve is recorded by means of calculation and processing, the neutron logging technique is extensively used for exploring petroleum, coal and metal mineral deposit, and it is matched with other detection method, so that it can obtain obvious effect, the quality of hydrogen nucleus and neutron is almost equal, and is strongest decelerating matter, therefore, the result of neutron logging can reflect the hydrogen content of stratum, and spectral saturation within the well.
The prior art has the following defects: in the process of descending a well, a detection end of the existing neutron spectrum saturation logging instrument is easily collided by substances in the well, so that the precision of a detection head is lost.
Therefore, it is necessary to invent a neutron spectrum saturation logging tool.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a neutron energy spectrum saturation logging instrument sets up protection machanism through the sense terminal to neutron energy spectrum saturation logging instrument, makes the sense terminal can block the protection in real time through the protection machanism of side at the in-process that removes, avoids the sense terminal to bump to solve neutron energy spectrum saturation logging instrument at the in-process that goes into the well, the sense terminal is easily bumped by the material in the well, leads to detecting the head to lose the problem of precision.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a neutron energy spectrum saturation logging instrument, includes casing, back lid and back joint, the back lid is installed at the casing left end, the back joint is installed at back lid left end, still includes: the anti-collision mechanism is arranged at the side end of the shell;
the anti-collision mechanism comprises a clamping plate, the clamping plate is installed on the outer wall of the shell, a first supporting plate, a second supporting plate, a third supporting plate and a fourth supporting plate are installed on the inner side of the clamping plate, a second groove is formed in the side ends of the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate, a protection plate is installed on the inner side of the second groove, a gasket is arranged on the side end of the protection plate, the side end of the gasket is connected with a first protection rod, a second shaft pin is installed among the first protection rod, the gasket and the protection plate, and a second protection rod is installed on the inner side of the first protection rod.
Preferably, the right end of the shell is provided with a first groove, and the inner side of the first groove is provided with a detection head.
Preferably, a fixed plate is installed inside the shell, a hydraulic rod is installed at the side end of the fixed plate, the right end of the hydraulic rod is connected with the detection head, and a clamping ring is arranged at the joint of the hydraulic rod and the groove I.
Preferably, a neutron detector is installed inside the shell, a neutron generator is installed at the side end of the neutron detector, the neutron generator is electrically connected with the neutron detector, and the neutron detector is electrically connected with the detection head.
Preferably, a sealing gasket is arranged on the inner side of the groove, and the detection head is inserted into the inner side of the sealing gasket.
Preferably, a first shaft pin is arranged at the joint of the clamping plate and the first support plate, the joint of the second support plate, the joint of the third support plate and the joint of the fourth support plate.
Preferably, a rotation angle of the guard bar is 0-270 degrees, and a sheath is arranged on the outer wall of the guard bar.
The utility model has the advantages that:
the protection mechanism is arranged at the detection end of the neutron energy spectrum saturation logging instrument, so that the detection end can be protected in real time through the protection mechanism at the side end in the moving process, the detection end is prevented from colliding, a hydraulic rod is arranged in the shell, the detection end is convenient to meet the narrow position in the well, the hydraulic rod pushes the detection head, and the length of the detection head is extended to facilitate detection.
Drawings
Fig. 1 is a structural diagram of a neutron spectrum saturation logging instrument provided by the present invention;
fig. 2 is a right side view of a housing in a neutron spectrum saturation logging tool provided by the present invention;
fig. 3 is a schematic connection diagram of a first protection rod in a neutron spectrum saturation logging instrument provided by the present invention;
fig. 4 is a front view of the neutron spectrum saturation logging tool provided by the present invention.
In the figure: the device comprises a shell 1, a detection head 11, a first groove 12, a sealing gasket 13, a hydraulic rod 14, a clamping ring 141, a fixing plate 15, a neutron detector 16, a neutron generator 17, a rear cover 18, a rear joint 19, an anti-collision mechanism 2, a clamping plate 21, a first shaft pin 211, a first support plate 22, a second groove 221, a protection plate 23, a first protection rod 24, a second shaft pin 241, a second protection rod 242, a gasket 243, a sheath 244, a second support plate 25, a third support plate 26 and a fourth support plate 27.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-4, the utility model provides a neutron spectrum saturation logging instrument, which comprises a shell 1, a rear cover 18 and a rear joint 19;
further, a rear cover 18 is installed at the left end of the housing 1, and a rear joint 19 is installed at the left end of the rear cover 18, and the rear joint further includes: the anti-collision device comprises an anti-collision mechanism 2, wherein the anti-collision mechanism 2 is arranged at the side end of a shell 1, specifically, a rear cover 18 has the function of packaging the shell 1, a rear connector 19 has the function of an external power line, the anti-collision mechanism 2 has the function of protecting a detection head 11 during detection, and the detection head 11 is prevented from being collided and losing detection precision during detection in a well, the outer diameter of the device is 43mm, the pressure resistance is 80Mp, the temperature resistance is 165 ℃, and the maximum length is five meters;
the anti-collision mechanism 2 comprises a clamping plate 21, the clamping plate 21 is arranged on the outer wall of the shell 1, a first support plate 22, a second support plate 25, a third support plate 26 and a fourth support plate 27 are arranged on the inner side of the clamping plate 21, a second groove 221 is formed in the side ends of the first support plate 22, the second support plate 25, the third support plate 26 and the fourth support plate 27, a protection plate 23 is arranged on the inner side of the second groove 221, a gasket 243 is arranged on the side end of the protection plate 23, the side end of the gasket 243 is connected with a first protection rod 24, a second shaft pin 241 is arranged between the first protection rod 24, the gasket 243 and the protection plate 23, a second protection rod 242 is arranged on the inner side of the first protection rod 24, specifically, the clamping plate 21 has the functions of fixing the first support plate 22, the second support plate 25, the third support plate 26 and the fourth support plate 27, the first support plate 22, the second support plate 25, the third support plate 26 and the fourth support plate 27 have the function of fixing the protection plate 23, the groove 221 has the function of conveniently installing the protection plate in the inner side and connecting through bolts, the protection plate 23 has a protection effect on the side end of the detection head 11, the detection head 11 is prevented from being collided, the gasket 243 is padded on the inner side of the first protection rod 24, the protection rod 24 has an effect of increasing the mounting stability of the first protection rod 24, the first protection rod 24 has a protection effect on the detection head 11, the first protection rod 24 can rotate to adjust a protection angle, the second shaft pin 241 has an effect of connecting the first protection rod 24, the gasket 243 and the protection plate 23, and the second protection rod 242 has a protection effect on the side end of the detection head 11, so that the detection head 11 is prevented from being collided when the detection head 11 is submerged;
further, a first groove 12 is formed in the right end of the shell 1, a detection head 11 is arranged on the inner side of the first groove 12, and particularly, the first groove 12 has the function of facilitating the insertion of the detection head 11;
further, a fixing plate 15 is installed inside the shell 1, a hydraulic rod 14 is installed at the side end of the fixing plate 15, the right end of the hydraulic rod 14 is connected with the detection head 11, a clamping ring 141 is arranged at the joint of the hydraulic rod 14 and the first groove 12, specifically, the fixing plate 15 has the function of fixing the hydraulic rod 14, the hydraulic rod 14 is arranged as an HOB80, the hydraulic rod 14 has the function of pushing and pulling the detection head 11, the detection head 11 can extend to perform detection and is suitable for narrow and small sections in a well, the hydraulic rod 14 penetrates through the clamping ring 141, and substances in the well cannot enter the shell 1 from the clamping ring 141;
further, a neutron detector 16 is installed inside the shell 1, a neutron generator 17 is installed at the side end of the neutron detector 16, the neutron generator 17 is electrically connected with the neutron detector 16, the neutron detector 16 is electrically connected with the detection head 11, specifically, the neutron detector 16 is ATKN, the neutron detector 16 is a device for detecting neutrons by ionizing gas by utilizing charged particles generated after neutrons interact with boron and uranium or activating the material after neutron irradiation, the neutron spectrum saturation degree in the well is detected by the detection head 11, the neutron generator 17 is set to 9500, neutrons are generated by the neutron generator 17, and then the generated neutrons are used for ionizing gas or activating the material after neutron irradiation by utilizing the charged particles generated after interaction with boron and uranium in the neutron detector 16;
further, a sealing gasket 13 is arranged on the inner side of the groove I12, the detection head 11 is inserted into the inner side of the sealing gasket 13, and specifically, the sealing gasket 13 is provided with a packaging groove I12 which plays a role in protecting the side end of the detection head 11 and reduces friction;
further, a first shaft pin 211 is installed at the connection position of the clamping plate 21 and the first support plate 22, the second support plate 25, the third support plate 26 and the fourth support plate 27, and specifically, the first shaft pin 211 has the function of connecting and fixing the clamping plate 21, the first support plate 22, the second support plate 25, the third support plate 26 and the fourth support plate 27;
further, the rotation angle of the first protection rod 24 is 0-270 degrees, the sheath 244 is installed on the outer wall of the second protection rod 242, specifically, the protection angle of the first protection rod 24 and the second protection rod 242 to the detection head 11 is adjusted by rotating the first protection rod 24, and the sheath 244 has the function of protecting the second protection rod 242.
The utility model discloses a use as follows: when the utility model is used, the side end of the protection plate 23 is provided with the gasket 243, the side end of the gasket 243 is connected with the first protection rod 24, the second protection rod 241 is arranged between the gasket 243 and the protection plate 23, the second protection rod 242 is arranged on the inner side of the first protection rod 24, the right end of the shell 1 is provided with the first groove 12, the inner side of the first groove 12 is provided with the detection head 11, the fixing plate 15 is arranged in the shell 1, the hydraulic rod 14 is arranged on the side end of the fixing plate 15, the right end of the hydraulic rod 14 is connected with the detection head 11, the neutron detector 16 is arranged in the shell 1, the neutron generator 17 is arranged on the side end of the neutron detector 16, the neutron detector 16 is electrically connected with the detection head 11, the first pin 211 is arranged at the joint of the first support plate 21, the second support plate 25, the third support plate 26 and the fourth support plate 27, the first support plate 22, the second support plate 25, the third support plate 26 and the fourth pin 27 are respectively fixed at four inner side positions of the first card 21 through the first pin 211, be the vertical direction setting, pass through the bolt fastening to the guard plate 23 in the backup pad one 22, the backup pad two 25, the backup pad three 26 and the four 27 sides of backup pad, rotate axle pin two 241, adjust the protection angle of guard bar one 24 and guard bar two 242, produce the neutron through neutron generator 17, then with the neutron of production go with the neutron detector 16 in boron, the activation of the material itself behind the neutron irradiation effect is made gaseous ionization or through the charged particle that produces behind the neutron interaction, detect head 11 through making neutron generator 17 and neutron detector 16 electric connection, detect head 11 and detect the interior energy spectrum saturation of well, meet narrow little position in the well, hydraulic stem 14 promotes and detects head 11, extend the length that detects head 11 and conveniently detect.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (7)
1. A neutron spectrum saturation logging instrument, includes casing (1), back lid (18) and rear joint (19), install at casing (1) left end back lid (18), rear joint (19) are installed at back lid (18) left end, its characterized in that still includes: the anti-collision mechanism (2), the anti-collision mechanism (2) is arranged at the side end of the shell (1);
the anti-collision mechanism (2) comprises a clamping plate (21), the clamping plate (21) is installed on the outer wall of the shell (1), a first supporting plate (22), a second supporting plate (25), a third supporting plate (26) and a fourth supporting plate (27) are installed on the inner side of the clamping plate (21), a second groove (221) is formed in the side ends of the first supporting plate (22), the second supporting plate (25), the third supporting plate (26) and the fourth supporting plate (27), a protection plate (23) is installed on the inner side of the second groove (221), a gasket (243) is arranged at the side end of the protection plate (23), a first protection rod (24) is connected with the side end of the gasket (243), a second shaft pin (241) is installed among the first protection rod (24), the gasket (243) and the protection plate (23), and a second protection rod (242) is installed on the inner side of the first protection rod (24).
2. The neutron spectrum saturation tool of claim 1, wherein: a first groove (12) is formed in the right end of the shell (1), and a detection head (11) is arranged on the inner side of the first groove (12).
3. The neutron spectrum saturation tool of claim 1, wherein: a fixing plate (15) is installed inside the shell (1), a hydraulic rod (14) is installed at the side end of the fixing plate (15), the right end of the hydraulic rod (14) is connected with the detection head (11), and a clamping ring (141) is arranged at the connection position of the hydraulic rod (14) and the first groove (12).
4. The neutron spectrum saturation tool of claim 1, wherein: the neutron detector (16) is arranged inside the shell (1), the neutron generator (17) is arranged at the side end of the neutron detector (16), the neutron generator (17) is electrically connected with the neutron detector (16), and the neutron detector (16) is electrically connected with the detection head (11).
5. The neutron spectrum saturation tool of claim 2, wherein: and a sealing gasket (13) is arranged on the inner side of the first groove (12), and the detection head (11) is inserted into the inner side of the sealing gasket (13).
6. The neutron spectrum saturation tool of claim 1, wherein: and a first shaft pin (211) is arranged at the joint of the clamping plate (21) and the first support plate (22), the second support plate (25), the third support plate (26) and the fourth support plate (27).
7. The neutron spectrum saturation tool of claim 1, wherein: the rotation angle of the first protection rod (24) is 0-270 degrees, and a sheath (244) is arranged on the outer wall of the second protection rod (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434169.XU CN215169957U (en) | 2021-06-28 | 2021-06-28 | Neutron energy spectrum saturation logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434169.XU CN215169957U (en) | 2021-06-28 | 2021-06-28 | Neutron energy spectrum saturation logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215169957U true CN215169957U (en) | 2021-12-14 |
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ID=79383588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121434169.XU Active CN215169957U (en) | 2021-06-28 | 2021-06-28 | Neutron energy spectrum saturation logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215169957U (en) |
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2021
- 2021-06-28 CN CN202121434169.XU patent/CN215169957U/en active Active
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