CN219220313U - Near-bit measuring device for resistivity while drilling - Google Patents
Near-bit measuring device for resistivity while drilling Download PDFInfo
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- CN219220313U CN219220313U CN202320438764.3U CN202320438764U CN219220313U CN 219220313 U CN219220313 U CN 219220313U CN 202320438764 U CN202320438764 U CN 202320438764U CN 219220313 U CN219220313 U CN 219220313U
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- connecting block
- drill collar
- resistivity
- drilling
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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
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Abstract
The utility model discloses a measurement device for a near-bit of resistivity while drilling, which comprises a stratum, wherein a borehole is drilled in the stratum, a first drill collar is arranged in the borehole, a first connecting block is connected with the lower end of the first drill collar in a threaded manner, a measurement device body is fixedly connected with the lower end of the first connecting block, a second connecting block is fixedly connected with the lower end of the measurement device body, a second drill collar is connected with the lower end of the second connecting block in a threaded manner, a plurality of fixing bolts are arranged on the outer surfaces of the first connecting block and the second connecting block, and rubber rings are arranged between the first drill collar and the first connecting block, between the first connecting block and the measurement device body, between the measurement device body and the second connecting block, and between the second connecting block and the second drill collar. Through setting up fixing bolt, further fixed first drill collar and first connecting block, second connecting block and second drill collar prevent to cause not hard up in the use.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling and logging while drilling, in particular to a measurement device for a near-bit of resistivity while drilling.
Background
In the petroleum drilling and logging industries, formation resistivity is mainly used for distinguishing lithology, dividing hydrocarbon and water layers, comparing formation sections, and the like. In general, the pore formation has a high formation resistivity if filled with oil or gas and a low formation resistivity if filled with water. In cabled logging, measurements are made after tripping, which lowers the cabled logging instrument downhole and makes measurements during lifting.
Most of connection relations between the existing measuring devices are in threaded connection, and the connection parts are filled and sealed through epoxy resin, but in the use process, the threaded connection is formed by connecting the upper end and the lower end, the connection ends are easy to loosen, vibration generated by the existing measuring devices in the drilling process can cause certain influence on the measuring device body, and therefore working efficiency is reduced.
Disclosure of Invention
The utility model aims to provide a near-bit measuring device for resistivity while drilling, which mainly has the following innovation points:
1. through setting up fixing bolt, further fixed first drill collar and first connecting block, second connecting block and second drill collar prevent to cause not hard up in the use.
2. Through setting up the rubber circle, cushion first drill collar, first connecting block, second drill collar, measuring device body, prevent to cause the influence to the measuring device body.
The utility model also provides a near-bit measuring device with the resistivity while drilling, which comprises the following components: the device comprises a stratum, wherein a borehole is drilled in the stratum, a first drill collar is arranged in the borehole, a first connecting block is connected to the lower end of the first drill collar in a threaded manner, a measuring device body is fixedly connected to the lower end of the first connecting block, a second connecting block is fixedly connected to the lower end of the measuring device body, a second drill collar is connected to the lower end of the second connecting block in a threaded manner, a drill bit is fixedly connected to the lower end of the second drill collar, and a plurality of fixing bolts are arranged on the outer surfaces of the first connecting block and the second connecting block;
rubber rings are arranged between the first drill collar and the first connecting block, between the first connecting block and the measuring device body, between the measuring device body and the second connecting block, and between the second connecting block and the second drill collar. The beneficial effects are that: buffering is carried out on the first drill collar, the first connecting block, the second drill collar and the detection device body, so that the detection device body is prevented from being influenced.
In order to achieve the above purpose, the near-bit measuring device for the resistivity while drilling is provided, wherein the lower end of the first drill collar and the upper end of the second drill collar are fixedly connected with a first connecting part.
In order to achieve the above purpose, the near-bit measuring device for resistivity while drilling is provided, and a plurality of first threaded holes are formed in the outer surface of the first connecting portion.
In order to achieve the above purpose, the near-bit measuring device for resistivity while drilling is provided, wherein the first connecting block and the second connecting block are respectively provided with a second connecting part.
In order to achieve the above purpose, the near-bit measuring device for resistivity while drilling is provided, and a plurality of second threaded holes are formed in the outer surfaces of the first connecting block and the second connecting block.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of a measurement device for resistivity while drilling near a drill bit according to the present utility model;
FIG. 2 is a perspective view of a near-bit measurement of resistivity while drilling device according to the present utility model;
FIG. 3 is a schematic view of a first drill collar of the resistivity while drilling near-bit measurement device according to the present utility model;
fig. 4 is a schematic structural diagram of a first connection block of the measurement while drilling resistivity near-bit measurement device according to the present utility model.
Legend description:
1. a first drill collar; 2. a first connection block; 3. a measuring device body; 4. a second drill collar; 5. a drill bit; 6. a second connection block; 7. a rubber ring; 8. a fixing bolt; 9. a first connection portion; 10. a first threaded hole; 11. a second connecting portion; 12. a second threaded hole;
100. a formation; 200. and (3) a well bore.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the resistivity while drilling near-bit measuring device of the embodiment of the utility model comprises a stratum 100, a borehole 200 is drilled in the stratum 100, a first drill collar 1 is arranged in the borehole 200, a first connecting block 2 is connected with the lower end of the first drill collar 1 in a threaded manner, a measuring device body 3 is fixedly connected with the lower end of the first connecting block 2, a second connecting block 6 is fixedly connected with the lower end of the measuring device body 3, a second drill collar 4 is connected with the lower end of the second connecting block 6 in a threaded manner, a drill bit 5 is fixedly connected with the lower end of the second drill collar 4, a plurality of fixing bolts 8 are arranged on the outer surfaces of the first connecting block 2 and the second connecting block 6, the first drill collar 1 and the first connecting block 2 are further fixed with the second drill collar 4 through the fixing bolts 8, looseness is prevented in the using process, and the detecting device is convenient to install and detach through the arrangement of the first connecting part 9, the second connecting part 11 and the fixing bolts 8;
The lower extreme of first drill collar 1 and the upper end of second drill collar 4 are all fixedly connected with first connecting portion 9, a plurality of first screw hole 10 has been seted up to the surface of first connecting portion 9, first connecting block 2, the inside of second connecting block 6 all is provided with second connecting portion 11, through setting up first connecting portion 9, second connecting portion 11, make things convenient for the threaded connection of first drill collar 1 and first connecting block 2, second connecting block 6 and second drill collar 4, a plurality of second screw hole 12 has all been seted up to the surface of first connecting block 2, second connecting block 6, through setting up first screw hole 10, second screw hole 12, make things convenient for the use of fixing bolt 8.
Working principle: when the measurement device for the resistivity while drilling near drill bit is installed, the first connecting part 9 of the first drill collar 1 is placed at the second connecting part 11 of the first connecting block 2, screwed, further fixed through the fixing bolt 8, and then the first connecting part 9 of the second drill collar 4 is placed at the second connecting part 11 of the second connecting block 6, screwed, and further fixed through the fixing bolt 8.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (5)
1. Near-bit measurement device of resistivity while drilling, characterized by comprising: stratum (100), the inside of stratum (100) is bored there is borehole (200), the inside of borehole (200) is provided with first drill collar (1), the lower extreme threaded connection of first drill collar (1) has first connecting block (2), the lower extreme fixedly connected with measuring device body (3) of first connecting block (2), the lower extreme fixedly connected with second connecting block (6) of measuring device body (3), the lower extreme threaded connection of second connecting block (6) has second drill collar (4), the lower extreme fixedly connected with drill bit (5) of second drill collar (4), the surface of first connecting block (2), second connecting block (6) is provided with a plurality of fixing bolt (8);
rubber rings (7) are arranged between the first drill collar (1) and the first connecting block (2), between the first connecting block (2) and the measuring device body (3), between the measuring device body (3) and the second connecting block (6) and between the second connecting block (6) and the second drill collar (4).
2. The near-bit measurement device of resistivity while drilling according to claim 1, wherein a first connecting part (9) is fixedly connected to the lower end of the first drill collar (1) and the upper end of the second drill collar (4).
3. The near-bit measurement device of resistivity while drilling according to claim 2, characterized in that the outer surface of the first connection part (9) is provided with a number of first threaded holes (10).
4. The while-drilling resistivity near-bit measurement device according to claim 1, wherein the first connection block (2) and the second connection block (6) are provided with second connection parts (11) inside.
5. The near-bit measurement device for resistivity while drilling according to claim 1, wherein the outer surfaces of the first connecting block (2) and the second connecting block (6) are provided with a plurality of second threaded holes (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320438764.3U CN219220313U (en) | 2023-03-09 | 2023-03-09 | Near-bit measuring device for resistivity while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320438764.3U CN219220313U (en) | 2023-03-09 | 2023-03-09 | Near-bit measuring device for resistivity while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219220313U true CN219220313U (en) | 2023-06-20 |
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ID=86735421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320438764.3U Active CN219220313U (en) | 2023-03-09 | 2023-03-09 | Near-bit measuring device for resistivity while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219220313U (en) |
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2023
- 2023-03-09 CN CN202320438764.3U patent/CN219220313U/en active Active
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