CN218991568U - Wireless receiving nipple of logging while drilling instrument - Google Patents
Wireless receiving nipple of logging while drilling instrument Download PDFInfo
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- CN218991568U CN218991568U CN202222960336.5U CN202222960336U CN218991568U CN 218991568 U CN218991568 U CN 218991568U CN 202222960336 U CN202222960336 U CN 202222960336U CN 218991568 U CN218991568 U CN 218991568U
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- shell
- logging
- groove
- wireless receiving
- drilling instrument
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Abstract
The utility model discloses a wireless receiving nipple of a logging while drilling instrument, which comprises a shell, wherein a through chute is formed in the side wall of the shell, and a sliding plate is radially and slidingly connected in the chute; slide holes are symmetrically formed in two axial sides of the sliding groove, guide posts are slidably connected to the inside of each slide hole, extrusion blocks are arranged at opposite ends of the two guide posts, first springs are axially arranged between the other ends of the guide posts and the inner walls of the slide holes, and pressure sensors in bidirectional electrical connection with the single chip microcomputer are clamped between the extrusion blocks on two sides. The pressure sensor is arranged in the short section through elastic clamping, so that the pressure sensor can be prevented from extrusion deformation, and the pressure sensor is convenient to take out for maintenance.
Description
Technical Field
The utility model relates to the technical field of logging while drilling instruments, in particular to a wireless receiving nipple of a logging while drilling instrument.
Background
Measurement while drilling generally refers to drilling engineering parameter measurement, such as measurement of well deviation, azimuth, tool face and the like, sometimes MWD generally refers to all downhole measurements during drilling, in order to improve the scientificity and safety of drilling operation, master the stress state and motion rule of a drilling pipe tool, and ground engineering technicians need to better know downhole engineering parameters, such as weight on bit, torque, bending stress, pressure in a drill string, annular pressure and the like.
At present, in the construction process of drilling at home and abroad, methods for acquiring underground engineering parameters such as weight on bit, torque, bending stress, pressure in a drill string, annular pressure and the like mainly comprise two methods of indirect acquisition on the ground (or near a wellhead) and direct acquisition under the well, wherein the indirect acquisition method is most commonly used due to low cost, measurement and understanding of the weight on bit mainly utilize a ground weight indicator, but data measured on the ground cannot truly reflect the weight on bit, and meanwhile, a measuring instrument is fixedly arranged on a device through bolts, so that the disassembly operation is inconvenient during maintenance.
Disclosure of Invention
In order to effectively solve the problems in the background technology, the utility model provides the following technical scheme: the wireless receiving nipple of the logging while drilling instrument comprises a shell, wherein one end of the shell is provided with a mounting disc;
the inner side wall of the shell is provided with a mounting groove, and a storage battery and a singlechip which are electrically connected are arranged in the mounting groove; an annular groove is formed in the outer side wall of the shell along the radial direction, an annular antenna electrically connected with the single chip is arranged in the annular groove, and an annular filter screen positioned on the radial outer side of the annular antenna is also arranged in the annular groove;
the side wall of the shell is provided with a through chute, and a sliding plate is radially and slidingly connected with the chute; the sliding chute is characterized in that sliding holes are symmetrically formed in two axial sides of the sliding chute, guide posts are slidably connected in the sliding holes, extrusion blocks are arranged at opposite ends of the guide posts, first springs are axially arranged between the other ends of the guide posts and the inner walls of the sliding holes, and pressure sensors which are electrically connected with the single chip microcomputer in two directions are clamped between the extrusion blocks.
Wherein: and a gasket corresponding to the pressure sensor is further arranged on the surface of the extrusion block.
Wherein: the side wall of the chute is also provided with a clamping groove, the inner axial direction of the clamping groove is fixedly connected with a locking slide plate which is in sliding connection with the clamping groove through a second spring, and the locking slide plate is matched with the slide plate to be installed for limiting the locking of the slide plate.
Wherein: the shell other end is provided with the conical head, evenly distributed's drainage groove has been seted up to the lateral surface of conical head.
Wherein: the outer surface of the shell is also provided with a spiral guide strip.
Compared with the prior art, the pressure sensor is arranged inside the short joint through elastic clamping, so that the pressure sensor can be prevented from extrusion deformation, and the pressure sensor is convenient to take out for maintenance.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;
fig. 3 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. mounting plate, 2, housing, 3, mounting groove, 4, battery, 5, singlechip, 6, annular groove, 7, annular antenna, 8, annular filter screen, 9, chute, 10, gasket, 11, extrusion block, 12, guide post, 13, first spring, 14, slide plate, 15, pressure sensor, 16, locking slide plate, 17, second spring, 18, spiral guide strip, 19, conical head, 20.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-3, the present embodiment provides a wireless receiving nipple of a logging while drilling instrument, which includes a housing 2, wherein one end of the housing 2 is provided with a mounting plate 1; the inner side wall of the shell 2 is provided with a mounting groove 3, and a storage battery 4 and a singlechip 5 which are electrically connected are arranged in the mounting groove 3; an annular groove 6 is formed in the outer side wall of the shell 2 along the radial direction, an annular antenna 7 electrically connected with the singlechip 5 is arranged in the annular groove 6, and an annular filter screen 8 positioned at the radial outer side of the annular antenna 7 is also arranged in the annular groove 6; the other end of the shell 2 is provided with a conical head 19, and the outer side surface of the conical head 19 is provided with evenly distributed drainage grooves 20; the outer surface of the housing 2 is also provided with a helical guide 18.
The side wall of the shell 2 is provided with a through chute 9, and a sliding plate 14 is radially and slidingly connected in the chute 9; slide holes are symmetrically formed in the two axial sides of the slide groove 9, guide posts 12 are slidably connected in the slide holes, extrusion blocks 11 are arranged at the opposite ends of the two guide posts 12, first springs 13 are axially arranged between the other ends of the guide posts 12 and the inner wall of the slide holes, pressure sensors 15 which are electrically connected with the single chip microcomputer 5 in two directions are clamped between the extrusion blocks 11 at the two sides, and gaskets 10 corresponding to the pressure sensors 15 are further arranged on the surfaces of the extrusion blocks 11; the lateral wall of spout 9 has still offered the draw-in groove, and the inside axial of draw-in groove is through second spring 17 fixedly connected with draw-in groove sliding connection's locking slide 16, and locking slide 16 cooperates the installation to carry out the locking spacing to slide 14 with slide 14.
The working principle of the utility model is as follows:
firstly, a wireless receiving short section is mounted at a drill bit position through a bolt matched with a mounting disc 1, in an initial state, the left side and the right side of a pressure sensor 15 extrude a extruding block 11, the extruding block 11 moves towards one end far away from the pressure sensor 15, a first spring 13 contracts, elastic clamping of the pressure sensor 15 is realized through compression reverse elasticity of the first spring 13, and the gasket 10 can prevent the extruding block 11 from extruding and deforming the outer side surface of the pressure sensor 15;
the conical head 19, the drainage groove 20 and the spiral guide strip 18 can reduce the compression area in the rotation process of the drill bit, the pressure of slurry acts on the sliding plate 14 to generate extrusion force on the pressure sensor 15, the pressure sensor 15 transmits the pressure value to the singlechip 5 in an electric signal mode, the singlechip 5 converts the electric signal into electromagnetic waves through the annular antenna 7 to be transmitted to an external antenna receiving device, and the annular filter screen 8 prevents large particles in the external slurry from damaging the annular wire 7 by extrusion;
when the pressure sensor 15 is overhauled, the locking slide plate 16 is pressed to move axially outwards, the second spring 17 is contracted to release the radial limit of the slide plate 14, the slide plate 14 is taken out in a sliding way along the sliding groove 9, and then the pressure sensor 15 is taken out for overhauling.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (5)
1. A wireless receiving nipple of a logging while drilling instrument, characterized in that: the device comprises a shell (2), wherein one end of the shell (2) is provided with a mounting disc (1);
the inner side wall of the shell (2) is provided with a mounting groove (3), and a storage battery (4) and a singlechip (5) which are electrically connected are arranged in the mounting groove (3); an annular groove (6) is formed in the outer side wall of the shell (2) along the radial direction, an annular antenna (7) electrically connected with the singlechip (5) is arranged in the annular groove (6), and an annular filter screen (8) positioned at the radial outer side of the annular antenna (7) is also arranged in the annular groove (6);
a through chute (9) is formed in the side wall of the shell (2), and a sliding plate (14) is radially and slidably connected in the chute (9); slide holes are symmetrically formed in two axial sides of the slide groove (9), guide posts (12) are slidably connected in the slide holes, extrusion blocks (11) are arranged at opposite ends of the guide posts (12), first springs (13) are axially arranged between the other ends of the guide posts (12) and the inner walls of the slide holes, and pressure sensors (15) which are electrically connected with the single chip microcomputer (5) in two directions are clamped between the extrusion blocks (11).
2. The wireless receiving nipple of a logging while drilling instrument of claim 1, wherein: the surface of the extrusion block (11) is also provided with a gasket (10) corresponding to the pressure sensor (15).
3. The wireless receiving nipple of a logging while drilling instrument of claim 1, wherein: the side wall of the sliding groove (9) is also provided with a clamping groove, the inside of the clamping groove is fixedly connected with a locking slide plate (16) which is in sliding connection with the clamping groove through a second spring (17), and the locking slide plate (16) is matched with the slide plate (14) to carry out locking limit on the slide plate (14).
4. The wireless receiving nipple of a logging while drilling instrument of claim 1, wherein: the novel water heater is characterized in that a conical head (19) is arranged at the other end of the shell (2), and evenly distributed drainage grooves (20) are formed in the outer side face of the conical head (19).
5. The wireless receiving nipple of a logging while drilling instrument of claim 1, wherein: the outer surface of the shell (2) is also provided with a spiral guide strip (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222960336.5U CN218991568U (en) | 2022-11-07 | 2022-11-07 | Wireless receiving nipple of logging while drilling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222960336.5U CN218991568U (en) | 2022-11-07 | 2022-11-07 | Wireless receiving nipple of logging while drilling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218991568U true CN218991568U (en) | 2023-05-09 |
Family
ID=86192068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222960336.5U Active CN218991568U (en) | 2022-11-07 | 2022-11-07 | Wireless receiving nipple of logging while drilling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218991568U (en) |
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2022
- 2022-11-07 CN CN202222960336.5U patent/CN218991568U/en active Active
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