CN219910736U - Logging probe convenient to survey down - Google Patents
Logging probe convenient to survey down Download PDFInfo
- Publication number
- CN219910736U CN219910736U CN202321060793.7U CN202321060793U CN219910736U CN 219910736 U CN219910736 U CN 219910736U CN 202321060793 U CN202321060793 U CN 202321060793U CN 219910736 U CN219910736 U CN 219910736U
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- tube
- pipe
- signal line
- probe
- extension
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- 239000000523 sample Substances 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010029216 Nervousness Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model provides a logging probe tube convenient for downward detection, which comprises: the upper end of the probe is provided with a thread groove; the lower end of the extension tube is fixedly provided with a first threaded tube matched with the threaded groove, the first threaded tube is in threaded connection with the probe, and the inner side of the upper end of the extension tube is provided with an internal thread matched with the first threaded tube; the lower end of the connector is in threaded connection with the upper end of the extension tube; a plurality of counterweight rings are arranged in the extension tube. According to the utility model, a plurality of extension pipes with corresponding numbers are installed according to the size of the hole reaming, and a plurality of counterweight rings with corresponding numbers are installed in the extension pipes according to the inclination angle of the hole reaming or the viscosity of the well fluid, so that the application range of the probe pipe is widened, and the installation is convenient and rapid, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of logging, and particularly relates to a logging exploratory tube convenient for downward exploration.
Background
In actual logging work, because the stratum condition in the well drilling is complex, or the well team has the conditions of overlarge well inclination, reaming and the like in the well drilling construction, the condition that logging instruments are not smoothly explored in the well easily occurs during logging.
Firstly, when the hole is enlarged too much, the probe is possibly clamped at the enlarged hole, and the probe cannot continue to descend; secondly, the resistance between the exploratory tube and the well wall is increased due to the overlarge drilling inclination angle or overlarge well wall viscosity, so that the situation that the exploratory tube is unsmooth in exploration occurs. In actual logging work, the reaming size, the drilling inclination or the borehole wall viscosity of different drilling are different, parameters to be collected are different, the length of the extension rod and the weight of the counterweight are required to be adjusted according to actual conditions, different exploratory tubes are required to be frequently replaced for measurement, a counterweight rod is required to be hung on each exploratory tube or the extension tube is required to be installed before the exploratory tubes are put down, the application range of the exploratory tubes is limited, the installation process of the exploratory tubes is complex, and the working efficiency is low.
Disclosure of Invention
In view of the foregoing, the present utility model is directed to a logging sonde that facilitates downward detection, so as to solve at least one of the above-mentioned technical problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a well logging probe for facilitating downward exploration, comprising:
the upper end of the probe is provided with a thread groove;
the lower end of the extension tube is fixedly provided with a first threaded tube matched with the threaded groove, the first threaded tube is in threaded connection with the probe, and the inner side of the upper end of the extension tube is provided with an internal thread matched with the first threaded tube;
the lower end of the connector is in threaded connection with the upper end of the extension tube;
a plurality of counterweight rings are arranged in the extension pipe.
Further, a compression spring is arranged between the counterweight ring and the first threaded pipe, the upper end of the compression spring is propped against the lower end of the counterweight ring, and the lower end of the connector is propped against the upper end of the counterweight ring.
Further, a backing ring is arranged between the counterweight ring and the compression spring, and the lower end of the backing ring is fixedly connected with the upper end of the compression spring;
the outer diameter of the backing ring is matched with the inner diameter of the extension pipe;
the outer diameter of the counterweight ring is matched with the inner diameter of the extension pipe;
the outer diameter of the extension tube is matched with the diameter of the probe.
Further, a plurality of the weight rings are stacked on the inner side of the extension pipe;
a positioning groove I is formed in the end face of the upper end of the backing ring, a positioning column matched with the positioning groove I is fixedly arranged on the lower end face of the counterweight ring, and the positioning column of the lowermost counterweight ring is arranged on the inner side of the positioning groove I;
the upper end face of the counterweight ring is provided with a positioning groove II matched with the positioning column, and the positioning column of the counterweight ring above is arranged on the inner side of the positioning groove II of the counterweight ring below.
Furthermore, the edges of the openings of the first positioning groove and the second positioning groove adopt chamfering structures;
and a second sealing gasket is arranged between the extension tube and the probe.
Further, the connector comprises a rotating pipe, a connecting pipe and a positioning pipe, wherein the outer diameter of the positioning pipe is smaller than the diameter of the connecting pipe, the positioning pipe is fixedly connected with the connecting pipe, an annular boss is fixedly arranged on the side wall of the lower end of the connecting pipe, the inner diameter of the rotating pipe is matched with the outer diameter of the positioning pipe, and the rotating pipe is arranged on the outer side of the positioning pipe and is positioned between the annular boss and the connecting pipe;
a second threaded pipe is fixedly arranged at the lower end of the rotating pipe and is in threaded connection with the upper end of the extension pipe;
and a first sealing gasket is arranged between the rotating pipe and the extension pipe.
Further, the outside of the rotating tube is provided with anti-skid lines.
Further, an annular groove is formed in the side wall of the positioning tube, a sealing ring is arranged in the annular groove, the diameter of the cross section of the sealing ring is larger than the depth of the annular groove, and the sealing ring is a structural member made of polytetrafluoroethylene.
Further, the inboard of counter weight ring is equipped with the connection signal line, the lower extreme of connecting the signal line is connected with the public head of signal line that inserts soon, the upper end of connecting the signal line is connected with the female head of signal line that inserts soon, be equipped with the female head of signal line that inserts soon on the probe, the public head of signal line that inserts soon of connecting the signal line is connected with the female head of signal line that inserts soon of probe, the connection signal line outside is equipped with sleeve pipe one, so be equipped with the public head of signal line that inserts soon on the connecting pipe, the public head of signal line that inserts soon on the connecting pipe is connected with the signal cable electricity, signal cable and connecting pipe fixed connection, the public head of signal line that inserts soon on the connecting pipe passes through sleeve pipe two and connecting pipe fixed connection, the female head of signal line that inserts soon on the connecting signal line is connected with the male head of signal line that inserts soon on the connecting pipe.
Furthermore, the extension tube and the connector are both structural members made of stainless steel.
Compared with the prior art, the well logging probe tube convenient for downward detection has the following advantages:
(1) According to the logging exploratory tube convenient to lower, the plurality of extension tubes with the corresponding number are installed according to the size of the hole reaming, and the counterweight rings with the corresponding number are installed in the extension tubes according to the inclination angle of the hole inclination or the viscosity of the well fluid, so that the application range of the exploratory tube is widened, and the installation is convenient and fast, and the working efficiency is improved.
(2) According to the logging exploratory tube convenient to lower, the outer diameter of the counterweight ring is matched with the inner diameter of the extension tube, so that the counterweight can be prevented from shaking on the inner side of the extension tube.
(3) According to the logging exploratory tube convenient for downward exploration, the upper end face of the backing ring is provided with the first positioning groove, the lower end face of the counterweight ring is fixedly provided with the positioning column matched with the first positioning groove, and the positioning column of the counterweight ring at the bottommost end is arranged at the inner side of the first positioning groove; the upper end face of the counterweight ring is provided with a positioning groove II matched with the positioning column, the positioning column of the counterweight ring above is arranged on the inner side of the positioning groove II of the counterweight ring below, and the positioning column, the positioning groove I and the positioning groove II play a role in radial positioning and preventing the counterweight ring from rotating relative to the extension pipe.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic cross-sectional view of a probe according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure A in FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 1B according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of FIG. 1 at C according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a three-dimensional structure of a probe according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a perspective structure of an extension pipe according to an embodiment of the present utility model;
fig. 7 is a schematic perspective view of a connector according to an embodiment of the utility model;
fig. 8 is a schematic perspective view of a counterweight ring according to an embodiment of the utility model.
Reference numerals illustrate:
1. a probe; 2. an extension tube, 3, and a connecting tube; 4. a rotary tube; 5. a positioning tube; 6. a counterweight ring; 7. backing rings, 8, compression springs; 9. a first sleeve; 10. a second sleeve; 11. a seal ring; 12. a first sealing gasket; 13. a second sealing gasket; 201. a first threaded pipe; 401. a threaded pipe II; 501. an annular boss; 601. a positioning groove II; 602. and positioning columns.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 8, a logging sonde for facilitating downward exploration, comprising:
the probe 1, the upper end of the probe 1 is provided with a thread groove;
the inner side of the upper end of the extension tube 2 is provided with an internal thread matched with the first threaded tube 201;
the lower end of the connector is in threaded connection with the upper end of the extension tube 2;
a plurality of counterweight rings 6 are arranged in the extension tube 2. In some embodiments, the number of extension pipes 2 is plural, and the first threaded pipe 201 of the upper extension pipe 2 is screwed with the internal thread of the lower extension pipe 2.
A compression spring 8 is arranged between the counterweight ring 6 and the first threaded pipe 201, the upper end of the compression spring 8 is propped against the lower end of the counterweight ring 6, and the lower end of the connector is propped against the upper end of the counterweight ring 6.
A backing ring 7 is arranged between the counterweight ring 6 and the compression spring 8, and the lower end of the backing ring 7 is fixedly connected with the upper end of the compression spring 8;
the outer diameter of the backing ring 7 is matched with the inner diameter of the extension tube 2;
the outer diameter of the counterweight ring 6 is matched with the inner diameter of the extension tube 2, so that the counterweight can be prevented from shaking inside the extension tube 2;
the outer diameter of the extension tube 2 is matched with the diameter of the probe 1.
A plurality of weight rings 6 are stacked on the inner side of the extension pipe 2;
the upper end face of the backing ring 7 is provided with a positioning groove I, the lower end face of the counterweight ring 6 is fixedly provided with a positioning column 602 matched with the positioning groove I, and the positioning column 602 of the counterweight ring 6 at the lowest end is arranged at the inner side of the positioning groove I;
the upper end face of the counterweight ring 6 is provided with a positioning groove II 601 matched with the positioning column 602, the positioning column 602 of the counterweight ring 6 above is arranged on the inner side of the positioning groove II 601 of the counterweight ring 6 below, and the positioning column 602, the positioning groove I and the positioning groove II 601 play a role in radial positioning and preventing the counterweight ring 6 from rotating relative to the extension tube 2.
The edges of the openings of the first positioning groove and the second positioning groove 601 adopt chamfer structures;
a second sealing gasket 13 is arranged between the extension tube 2 and the probe 1, and the second sealing gasket 13 improves the sealing performance between the extension tube 2 and the probe 1.
The connector comprises a rotating pipe 4, a connecting pipe 3 and a positioning pipe 5, wherein the outer diameter of the positioning pipe 5 is smaller than the diameter of the connecting pipe 3, the positioning pipe 5 is fixedly connected with the connecting pipe 3, an annular boss 501 is fixedly arranged on the side wall of the lower end of the connecting pipe 3, the inner diameter of the rotating pipe 4 is matched with the outer diameter of the positioning pipe 5, and the rotating pipe 4 is arranged on the outer side of the positioning pipe 5 and positioned between the annular boss 501 and the connecting pipe 3;
a second threaded pipe 401 is fixedly arranged at the lower end of the rotary pipe 4, and the second threaded pipe 401 is in threaded connection with the upper end of the extension pipe 2;
a first sealing gasket 12 is arranged between the rotating pipe 4 and the extension pipe 2, and the first sealing gasket 12 improves the sealing performance between the rotating pipe 4 and the extension pipe 2.
The outside of the rotation tube 4 is provided with anti-slip lines, and the anti-slip lines are convenient for rotating the rotation tube 4.
An annular groove is formed in the side wall of the positioning tube 5, a sealing ring 11 is arranged in the annular groove, the diameter of the cross section of the sealing ring 11 is larger than the depth of the annular groove, the sealing ring 11 is a structural member made of polytetrafluoroethylene, and the sealing ring 11 improves the tightness between the rotating tube 4 and the positioning tube 5.
The inboard of counter weight ring 6 is equipped with the connection signal line, the lower extreme of connection signal line is connected with the male head of quick-plug signal line, the upper end of connection signal line is connected with the female head of quick-plug signal line, be equipped with the female head of quick-plug signal line on probe 1, the male head of quick-plug signal line of connection signal line is connected with the female head of quick-plug signal line of probe 1, the connection signal line outside is equipped with sleeve pipe one 9, so be equipped with the male head of quick-plug signal line on connecting pipe 3, the male head of quick-plug signal line on connecting pipe 3 is connected with the signal cable electricity, signal cable and connecting pipe 3 fixed connection, the male head of quick-plug signal line on connecting pipe 3 passes through sleeve pipe two 10 and connecting pipe 3 fixed connection, the female head of quick-plug signal line of connection signal line is connected with the male head of quick-plug signal line on connecting pipe 3. The first sleeve 9 and the second sleeve 10 are rigid structural members.
The extension tube 2 and the connector are both structural members made of stainless steel.
The working process comprises the following steps:
when the scheme is implemented, a plurality of extension pipes 2 with corresponding numbers are installed according to the size of the hole reaming, and counterweight rings 6 with corresponding numbers are installed in the extension pipes 2 according to the inclination angle of the hole reaming or the viscosity of the well fluid, so that the application range of the probe pipe is widened.
The connecting signal wire is electrically connected with the probe 1, the extension tube 2 is sleeved on the outer side of the first sleeve 9 connected with the signal wire, the extension tube 2 is in threaded connection with the sleeve, the first sleeve 9 does not rotate, the male plug of the quick-plug signal wire on the connecting tube 3 is aligned with the female plug of the quick-plug signal wire connected with the signal wire, the rotary tube 4 is in threaded connection with the extension tube 2, and the installation process is convenient and rapid, so that the working efficiency is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the claims and description.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A logging sonde for facilitating downward exploration, comprising:
the probe comprises a probe (1), wherein a thread groove is formed in the upper end of the probe (1);
the probe comprises an extension tube (2), wherein a first threaded tube (201) matched with a threaded groove is fixedly arranged at the lower end of the extension tube (2), the first threaded tube (201) is in threaded connection with the probe (1), and an inner thread matched with the first threaded tube (201) is formed on the inner side of the upper end of the extension tube (2);
the lower end of the connector is in threaded connection with the upper end of the extension pipe (2);
a plurality of counterweight rings (6) are arranged in the extension pipe (2).
2. A logging sonde for facilitating downward exploration according to claim 1, wherein: a compression spring (8) is arranged between the counterweight ring (6) and the threaded pipe I (201), the upper end of the compression spring (8) is propped against the lower end of the counterweight ring (6), and the lower end of the connector is propped against the upper end of the counterweight ring (6).
3. A logging sonde for facilitating downward exploration according to claim 2, wherein: a backing ring (7) is arranged between the counterweight ring (6) and the compression spring (8), and the lower end of the backing ring (7) is fixedly connected with the upper end of the compression spring (8);
the outer diameter of the backing ring (7) is matched with the inner diameter of the extension tube (2);
the outer diameter of the counterweight ring (6) is matched with the inner diameter of the extension pipe (2);
the outer diameter of the extension tube (2) is matched with the diameter of the probe (1).
4. A logging sonde for facilitating downward exploration according to claim 3, wherein: a plurality of counterweight rings (6) are stacked on the inner side of the extension pipe (2);
a first positioning groove is formed in the upper end face of the backing ring (7), a positioning column (602) matched with the first positioning groove is fixedly arranged on the lower end face of the counterweight ring (6), and the positioning column (602) of the counterweight ring (6) at the lowest end is arranged on the inner side of the first positioning groove;
the upper end face of the counterweight ring (6) is provided with a positioning groove II (601) matched with the positioning column (602), and the positioning column (602) of the counterweight ring (6) above is arranged on the inner side of the positioning groove II (601) of the counterweight ring (6) below.
5. A down-hole logging probe according to claim 4, wherein: the edges of the openings of the first positioning groove and the second positioning groove (601) adopt chamfer structures;
a second sealing gasket (13) is arranged between the extension tube (2) and the probe (1).
6. A logging sonde for facilitating downward exploration according to claim 1, wherein: the connector comprises a rotating tube (4), a connecting tube (3) and a positioning tube (5), wherein the outer diameter of the positioning tube (5) is smaller than the diameter of the connecting tube (3), the positioning tube (5) is fixedly connected with the connecting tube (3), an annular boss (501) is fixedly arranged on the side wall of the lower end of the connecting tube (3), the inner diameter of the rotating tube (4) is matched with the outer diameter of the positioning tube (5), and the rotating tube (4) is arranged on the outer side of the positioning tube (5) and positioned between the annular boss (501) and the connecting tube (3);
a second threaded pipe (401) is fixedly arranged at the lower end of the rotating pipe (4), and the second threaded pipe (401) is in threaded connection with the upper end of the extension pipe (2);
a first sealing gasket (12) is arranged between the rotating pipe (4) and the extension pipe (2).
7. A down-hole logging probe according to claim 6, wherein: the outer side of the rotating pipe (4) is provided with anti-skid lines.
8. A down-hole logging probe according to claim 6, wherein: the side wall of the positioning tube (5) is provided with an annular groove, a sealing ring (11) is arranged in the annular groove, the diameter of the cross section of the sealing ring (11) is larger than the depth of the annular groove, and the sealing ring (11) is a structural member made of polytetrafluoroethylene.
9. A down-hole logging probe according to claim 6, wherein: the inside of counter weight ring (6) is equipped with the connection signal line, the lower extreme of connecting the signal line is connected with the public head of signal line of inserting soon, the upper end of connecting the signal line is connected with the public head of signal line of inserting soon, be equipped with the public head of signal line of inserting soon on probe (1), the public head of signal line of inserting soon of connecting the signal line is connected with the public head of signal line of inserting soon of probe (1), the connection signal line outside is equipped with sleeve one (9), so be equipped with the public head of signal line of inserting soon on connecting pipe (3), the public head of signal line of inserting soon on connecting pipe (3) is connected with the signal cable electricity, signal cable and connecting pipe (3) fixed connection, the public head of signal line of inserting soon on connecting pipe (3) is connected with the public head of signal line of inserting soon on connecting pipe (3) through sleeve two (10).
10. A logging sonde for facilitating downward exploration according to claim 1, wherein: the extension tube (2) and the connector are both structural members made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321060793.7U CN219910736U (en) | 2023-05-06 | 2023-05-06 | Logging probe convenient to survey down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321060793.7U CN219910736U (en) | 2023-05-06 | 2023-05-06 | Logging probe convenient to survey down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219910736U true CN219910736U (en) | 2023-10-27 |
Family
ID=88462980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321060793.7U Active CN219910736U (en) | 2023-05-06 | 2023-05-06 | Logging probe convenient to survey down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219910736U (en) |
-
2023
- 2023-05-06 CN CN202321060793.7U patent/CN219910736U/en active Active
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