CN214887027U - Two-way flow logging instrument of secondary gamma of oil pipe - Google Patents
Two-way flow logging instrument of secondary gamma of oil pipe Download PDFInfo
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- CN214887027U CN214887027U CN202121402252.9U CN202121402252U CN214887027U CN 214887027 U CN214887027 U CN 214887027U CN 202121402252 U CN202121402252 U CN 202121402252U CN 214887027 U CN214887027 U CN 214887027U
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Abstract
The utility model discloses a two-way flow logging instrument of secondary gamma of oil pipe, concretely relates to logging instrument technical field, its technical scheme is: the device comprises a logging instrument, wherein hollow circular plates are arranged at two ends of the logging instrument, guide structures are arranged on the outer walls of the hollow circular plates in a square shape, and reinforcing structures are arranged at two ends of the bottom of each hollow circular plate; the guide structure comprises a first telescopic rod, a spring is inserted into the inner wall of the first telescopic rod, an extrusion plate is installed at one end of the first telescopic rod, and a roller is installed at one end of the extrusion plate; hollow plectane outer wall is square range installation telescopic link one, reinforced structure includes the box body, box body inner wall installation cylinder, the beneficial effects of the utility model are that: the logging instrument that goes up and down is guided through guide structure, not only can avoid logging instrument and pipe wall to contact, still can avoid logging instrument to take place to damage to not only can improve life, still can improve performance, and can reduce cost's input.
Description
Technical Field
The utility model relates to a logging instrument field, concretely relates to two-way flow logging instrument of oil pipe secondary gamma.
Background
The logging instrument is used in the field of well drilling, can continuously scan the well wall, can also transversely scan any level, and can give technical data such as vertical section, horizontal section, effective section and deviation distance of a shaft.
The prior Chinese patent CN206016803U discloses an optical fiber ultrasonic flow and double gamma tracing flow combined logging instrument, which can measure a plurality of flow parameters by once logging, simultaneously measure the inside and outside flows of an oil pipe by combining the ultrasonic flow and the gamma tracing flow, correct the result of the gamma tracing flow with high precision of the ultrasonic flow, improve the measurement precision, greatly improve the transmission rate and improve the measurement time efficiency by adopting an optical fiber communication technology, and overcome the defects that the prior gamma tracing flow logging technology can only measure the outside flow of the oil pipe, the measurement precision is low, the ultrasonic flow logging technology can only measure the inside flow of the oil pipe, and the two measurement modes have low measurement time efficiency, but when the logging instrument in the patent is lifted in the oil pipe, the logging instrument can easily collide with the pipe wall and can rub the pipe wall, which can easily cause damage to the tool.
Therefore, the invention is necessary to invent a two-way flow logging instrument for secondary gamma rays through an oil pipe.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a two-way flow logging instrument of secondary gamma of oil pipe leads through the lift of guide structure to the logging instrument to avoid the phenomenon that logging instrument and pipe wall bump, when solving the logging instrument and going up and down in oil pipe, can lead to logging instrument and pipe wall bump easily, and can make logging instrument and pipe wall carry out the problem of friction.
In order to achieve the above object, the present invention provides the following technical solutions: the bi-directional flow logging instrument for the secondary gamma of the oil pipe comprises a logging instrument, wherein hollow circular plates are arranged at two ends of the logging instrument, guide structures are arranged and installed on the outer walls of the hollow circular plates in a square shape, and reinforcing structures are arranged at two ends of the bottom of each hollow circular plate;
the guide structure comprises a first telescopic rod, a spring is inserted into the inner wall of the first telescopic rod, an extrusion plate is installed at one end of the first telescopic rod, and a roller is installed at one end of the extrusion plate;
the outer wall of the hollow circular plate is provided with a first telescopic rod in a square arrangement.
Preferably, the reinforced structure comprises a box body, an air cylinder is installed on the inner wall of the box body, and a moving plate is installed at the output end of the air cylinder.
Preferably, a connecting block is installed at one end of the box body, a connecting rod is installed at the top of the connecting block, and a hollow circular plate is installed at the top of the connecting rod.
Preferably, the logging instrument comprises a magnetic positioning well temperature combination instrument and a steel wire armored optical fiber cable, the bottom end of the magnetic positioning well temperature combination instrument is connected with an ultrasonic flowmeter through an instrument connector, the bottom end of the ultrasonic flowmeter is connected with a tracer injector through an instrument connector, the bottom end of the tracer injector is connected with an upper gamma detector through an instrument connector, and the bottom end of the upper gamma detector is connected with a lower gamma detector through an instrument connector.
Preferably, the magnetic positioning well temperature combination instrument, the ultrasonic flow instrument, the upper gamma detector and the lower gamma detector are connected with a photoelectric conversion module.
Preferably, the steel wire armored optical fiber cable comprises an optical fiber and a cable, the optical fiber in the steel wire armored optical fiber cable is connected with the photoelectric conversion module, and the cable in the steel wire armored optical fiber cable is connected with the tracer injector.
Preferably, a connecting plate is arranged at the top of the magnetic positioning well temperature combination instrument and the bottom of the lower gamma detector, and a hollow circular plate is arranged at the middle end of the connecting plate.
Preferably, the guide structure further comprises a second telescopic rod and magnets, the second telescopic rod is arranged on the outer wall of the hollow circular plate in a square shape, and the magnets are arranged at one end of the second telescopic rod.
The utility model has the advantages that:
1. the lifting logging instrument is guided by the guide structure, so that the logging instrument is prevented from contacting with the pipe wall and being damaged, the service life is prolonged, the service performance is improved, and the cost input is reduced;
2. the logging instrument is reinforced through the reinforcing structure, so that the stability can be improved, and the detection accuracy can be improved.
Drawings
Fig. 1 is a schematic front view of the structure of embodiment 1 provided by the present invention;
fig. 2 is an enlarged schematic view of a structure at a position a in fig. 1 according to the present invention;
fig. 3 is a schematic front view of a three-dimensional structure according to embodiment 1 of the present invention;
fig. 4 is a schematic top view of the structure of embodiment 1 provided by the present invention;
fig. 5 is a schematic front view of the structure of embodiment 2 provided by the present invention;
fig. 6 is an enlarged schematic view of a structure at B in fig. 5 according to the present invention.
In the figure: the device comprises a logging instrument 2, a steel wire armored optical fiber cable 21, a magnetic positioning well temperature combination instrument 22, an ultrasonic flowmeter 23, a tracer injector 24, an upper gamma detector 25, a lower gamma detector 26, an instrument connector 27, a hollow circular plate 3, a guide structure 4, a first telescopic rod 41, a spring 42, an extrusion plate 43, a roller 44, a second telescopic rod 45, a magnet 46, a reinforcing structure 5, a box body 51, a moving plate 53, a cylinder 54, a connecting block 55 and a connecting rod 56.
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.
Embodiment 1, referring to fig. 1-4, the utility model provides a two-way flow logging instrument of oil pipe secondary gamma ray, which comprises a logging instrument 2,
further, hollow circular plates 3 are arranged at two ends of the logging instrument 2, guide structures 4 are arranged on the outer walls of the hollow circular plates 3 in a square shape, and reinforcing structures 5 are arranged at two ends of the bottom of each hollow circular plate 3, specifically, the length of the logging instrument 2 is not more than 7m, the outer diameter is preferably 38mm, the pressure resistance is preferably 80MP, and the temperature resistance is preferably 150 ℃.
Further, the guide structure 4 comprises a first telescopic rod 41, a spring 42 is inserted into the inner wall of the first telescopic rod 41, an extrusion plate 43 is installed at one end of the first telescopic rod 41, and a roller 44 is installed at one end of the extrusion plate 43;
the outer wall of the hollow circular plate 3 is provided with a first telescopic rod 41 which is arranged in a square shape, specifically, the first telescopic rod 41 has the function of driving the spring 42 to contract, the contracted spring 42 has the function of driving the first telescopic rod 41 to extend through elasticity, the first extended telescopic rod 41 has the function of enabling the roller 44 to be attached to the pipe wall, and the roller 44 has the function of facilitating the lifting of the logging instrument 2.
Further, reinforced structure 5 includes box body 51, box body 51 inner wall installation cylinder 54, the output installation movable plate 53 of cylinder 54, it is concrete that cylinder 54 has the effect that drives movable plate 53 and stretch out and draw back, and the movable plate 53 of extension has the effect of carrying out the extrusion to the tube wall to reach and consolidate logging instrument 2.
Further, one end of the box body 51 is provided with a connecting block 55, the top of the connecting block 55 is provided with a connecting rod 56, and the top of the connecting rod 56 is provided with a hollow circular plate 3.
Further, the logging instrument 2 comprises a magnetic positioning well temperature combination instrument 22 and a steel wire armored fiber cable 21, the bottom end of the magnetic positioning well temperature combination instrument 22 is connected with an ultrasonic flow instrument 23 through an instrument connector 27, the bottom end of the ultrasonic flow instrument 23 is connected with a tracer injector 24 through the instrument connector 27, the bottom end of the tracer injector 24 is connected with an upper gamma detector 25 through the instrument connector 27, and the bottom end of the upper gamma detector 25 is connected with a lower gamma detector 26 through the instrument connector 27.
Further, the magnetic positioning well temperature combination instrument 22, the ultrasonic flowmeter 23, the upper gamma detector 25 and the lower gamma detector 26 are connected with a photoelectric conversion module.
Further, the steel wire armored optical fiber cable 21 comprises an optical fiber and a cable, the optical fiber in the steel wire armored optical fiber cable 21 is connected with the photoelectric conversion module, and the cable in the steel wire armored optical fiber cable 21 is connected with the tracer injector 24.
Further, a connecting plate is arranged at the top of the magnetic positioning well temperature combination instrument 22 and the bottom of the lower gamma detector 26, and a hollow circular plate 3 is arranged at the middle end of the connecting plate.
The utility model discloses a use as follows: when the logging instrument 2 needs to be used, the extrusion plate 43 is pressed, after the pressing, the first telescopic rod 41 drives the spring 42 to contract, after the contraction, the logging instrument 2 extends into the pipe wall, after the stretching, the extrusion plate 43 is loosened, after the loosening, the spring 42 enables the roller 44 to be attached to the pipe wall through elasticity, after the attachment, the logging instrument 2 descends through external equipment, when the logging instrument 2 descends, the guide structure 4 enables the logging instrument 2 to be located at the middle end position of the pipe wall, the logging instrument 2 is prevented from being contacted with the pipe wall, when the logging instrument 2 reaches a proper position, the connecting block 55 extrudes the pipe wall through the air cylinder 54, the logging instrument 2 is reinforced, wherein the first telescopic rod 41, the spring 42, the extrusion plate 43 and the roller 44 are selected as the guide structure 4, and the effect of being suitable for various oil pipes is achieved;
when in the process of logging, the magnetic positioning well temperature combination instrument 22 is used for measuring the coupling position of an oil pipe or a casing pipe and determining the depth of the instrument in the well, the temperature change in the well can be measured, the ultrasonic flow instrument 23 is used for measuring the flow in the oil pipe, when the logging instrument 2 reaches the upper end of a downhole layered water distributor, the tracer injector 24 sprays a small amount of isotope liquid with the gamma ray radiation function, the density of the isotope liquid is approximate to that of water, the isotope liquid flows into the ring space between the oil pipe and the casing pipe through the water injection port of the layered water distributor under the action of water flow and flows into a corresponding stratum under the action of the water flow, after the isotope liquid enters the ring space, because the isotope liquid has radioactivity, the upper gamma detector 25 and the lower gamma detector 26 in the oil pipe can detect the time when the radioactive liquid reaches the respective probes, and the distance between the two detectors is known, by the formula: the speed is distance/time, and the flow speed of the fluid can be calculated;
in the well logging process, one layered water distributor needs to inject water into a plurality of sand layers, the ultrasonic flow meter 23 in the oil pipe can determine the total injection quantity of each layered water injector, the upper gamma detector 25 and the lower gamma detector 26 can measure the injection quantity of each sand layer, and the total injection quantity is equal to the sum of the injection quantities of all the layers, so that the measurement results are verified mutually through the measurement results of the flow meters, and the measurement results are more accurate.
further, the guide structure 4 further comprises a second telescopic rod 45 and a magnet 46, the second telescopic rod 45 is installed on the outer wall of the hollow circular plate 3 in a square arrangement, the magnet 46 is installed at one end of the second telescopic rod 45, specifically, the magnet 46 has an effect of being adsorbed on the pipe wall, and the material of the oil pipe is preferably iron, cobalt, nickel or the oil pipe is made of a steel pipe containing an iron material.
The utility model discloses a use as follows: when needs use logging instrument 2, stretch into logging instrument 2 in the pipe wall, stretch into the back, laminate magnet 46 and pipe wall through two telescopic links 45, thereby reach and adsorb magnet 46 on the pipe wall, after the absorption, make logging instrument 2 descend through external equipment, when logging instrument 2 is descending, guide structure 4 will make logging instrument 2 be in the middle-end position of pipe wall, thereby avoid logging instrument 2 and pipe wall to contact, when logging instrument 2 reaches suitable position, make connecting block 55 extrude the pipe wall through cylinder 54, thereby reach and consolidate logging instrument 2, wherein choose two telescopic links 45 and magnet 46 as guide structure 4 for use, the effect with low costs has.
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 (8)
1. The utility model provides a two-way flow logging instrument of oil pipe secondary gamma, includes logging instrument (2), hollow plectane (3), its characterized in that are installed to logging instrument (2) both ends: the outer wall of the hollow circular plate (3) is provided with guide structures (4) in a square arrangement mode, and two ends of the bottom of the hollow circular plate (3) are provided with reinforcing structures (5);
the guide structure (4) comprises a first telescopic rod (41), a spring (42) is inserted into the inner wall of the first telescopic rod (41), an extrusion plate (43) is installed at one end of the first telescopic rod (41), and a roller (44) is installed at one end of the extrusion plate (43);
the outer wall of the hollow circular plate (3) is provided with a first telescopic rod (41) in a square arrangement.
2. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 1, wherein: the reinforced structure (5) comprises a box body (51), wherein an air cylinder (54) is installed on the inner wall of the box body (51), and a moving plate (53) is installed at the output end of the air cylinder (54).
3. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 2, wherein: one end of the box body (51) is provided with a connecting block (55), the top of the connecting block (55) is provided with a connecting rod (56), and the top of the connecting rod (56) is provided with a hollow circular plate (3).
4. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 1, wherein: the logging instrument (2) comprises a magnetic positioning well temperature combination instrument (22) and a steel wire armored optical fiber cable (21), the bottom end of the magnetic positioning well temperature combination instrument (22) is connected with an ultrasonic flow instrument (23) through an instrument connector (27), the bottom end of the ultrasonic flow instrument (23) is connected with a tracer injector (24) through the instrument connector (27), the bottom end of the tracer injector (24) is connected with an upper gamma detector (25) through the instrument connector (27), and the bottom end of the upper gamma detector (25) is connected with a lower gamma detector (26) through the instrument connector (27).
5. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 4, wherein: the magnetic positioning well temperature combination instrument (22), the ultrasonic flow instrument (23), the upper gamma detector (25) and the lower gamma detector (26) are connected with a photoelectric conversion module.
6. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 4, wherein: the steel wire armored optical fiber cable (21) comprises optical fibers and cables, the optical fibers in the steel wire armored optical fiber cable (21) are connected with the photoelectric conversion module, and the cables in the steel wire armored optical fiber cable (21) are connected with the tracer injector (24).
7. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 4, wherein: the top of the magnetic positioning well temperature combination instrument (22) and the bottom of the lower gamma detector (26) are provided with connecting plates, and hollow round plates (3) are arranged at the middle ends of the connecting plates.
8. The bi-directional flow logging instrument for secondary gamma rays of a tubing according to claim 1, wherein: the guide structure (4) further comprises a second telescopic rod (45) and magnets (46), the second telescopic rod (45) is arranged on the outer wall of the hollow circular plate (3) in a square mode, and the magnets (46) are installed at one end of the second telescopic rod (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402252.9U CN214887027U (en) | 2021-06-23 | 2021-06-23 | Two-way flow logging instrument of secondary gamma of oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402252.9U CN214887027U (en) | 2021-06-23 | 2021-06-23 | Two-way flow logging instrument of secondary gamma of oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887027U true CN214887027U (en) | 2021-11-26 |
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ID=78929797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121402252.9U Active CN214887027U (en) | 2021-06-23 | 2021-06-23 | Two-way flow logging instrument of secondary gamma of oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887027U (en) |
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2021
- 2021-06-23 CN CN202121402252.9U patent/CN214887027U/en active Active
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