CN112127875A - Damping device of wireless inclinometer - Google Patents
Damping device of wireless inclinometer Download PDFInfo
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- CN112127875A CN112127875A CN201910556240.2A CN201910556240A CN112127875A CN 112127875 A CN112127875 A CN 112127875A CN 201910556240 A CN201910556240 A CN 201910556240A CN 112127875 A CN112127875 A CN 112127875A
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- Prior art keywords
- centralizer
- damping
- drilling
- wireless inclinometer
- block
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
Abstract
The invention provides a damping device of a wireless inclinometer while drilling. The invention discloses a damping device of a wireless inclinometer while drilling, which comprises: the device comprises a first damping assembly, a first centralizer and a first damping block, wherein one end of the first damping assembly is used for being connected with a probe of a wireless inclinometer while drilling, the other end of the first damping assembly is connected with the first centralizer, and the first damping block is connected with the side face of the first centralizer. According to the damping device of the wireless inclinometer while drilling, disclosed by the invention, the axial vibration borne by the wireless inclinometer while drilling is relieved through the first damping assembly, and the radial vibration borne by the wireless inclinometer while drilling is relieved through the first damping block arranged on the side surface of the first centralizer, so that the shattering damage of core precise components such as internal mechanical components of a pulser and internal precise electronic components of a probe tube of the wireless inclinometer while drilling is avoided, and the economic loss is further reduced.
Description
Technical Field
The invention relates to the technical field of oil and gas field drilling, in particular to a damping device of a wireless inclinometer while drilling.
Background
In domestic petroleum drilling, a large number of wireless inclinometers are adopted to perform directional measurement on a mine to monitor the track of the mine. The wireless inclinometer while drilling is provided with: 1) high efficiency-no frequent lifting and placing of instruments is needed when connecting the drill rod; 2) real-time-close to the drill bit, monitoring the position of the drill bit and the drilling condition in real time; 3) after localization, the use and maintenance cost is greatly reduced; 4) the performance is gradually stable, and the like, so that the requirement of the wireless inclinometer while drilling is more and more increased.
The wireless inclinometer while drilling comprises two parts, namely ground equipment and an underground measuring instrument. The ground equipment includes: pressure sensors, dedicated data processors, remote data processors, computers and related connecting cables, etc. The underground measuring instrument comprises a probe, a pulser, a battery, a centralizer, a fishing head and the like. Wherein, the centralizer is connected between probe and battery for make the probe central and shock attenuation.
The situation that core components such as mechanical components inside a pulser of the wireless inclinometer while drilling, precise electronic components inside a probe tube and the like are easily damaged by vibration due to overlarge underground vibration and poor damping effect of a centralizer is caused, particularly in slim-hole drilling, the damage to the wireless inclinometer while drilling is easily caused due to the fact that the inner diameter of a non-magnetic drill collar is small and the transverse vibration of a drilling tool is large due to the limitation of the size of a well hole, and therefore the economic loss is caused.
Disclosure of Invention
The invention provides a damping device of a wireless inclinometer while drilling, which aims to solve the technical problem that core components such as mechanical components in a pulser of the wireless inclinometer while drilling, precise electronic components in a probe tube and the like are easily damaged by vibration due to overlarge underground vibration and poor damping effect of a centralizer, and particularly in slim-hole drilling, the wireless inclinometer while drilling is more easily damaged due to the fact that the inner diameter of a non-magnetic drill collar is small and the transverse vibration of a drilling tool is large because of the limitation of the size of a borehole, so that economic loss is caused.
The invention provides a damping device of a wireless inclinometer while drilling, which comprises: the device comprises a first shock absorption assembly, a first centralizer and a first shock absorption block, wherein one end of the first shock absorption assembly is used for being connected with a probe of a wireless inclinometer while drilling, the other end of the first shock absorption assembly is connected with the first centralizer, and the first shock absorption block is connected with the side face of the first centralizer.
The wireless inclinometer damping while drilling device as described above, wherein the first damping assembly comprises a first cylinder and a first damping rod located within the first cylinder.
The damping device for the wireless inclinometer while drilling is described above, wherein the first damping block is multiple, and the multiple first damping blocks are arranged at intervals along the circumferential direction of the first centralizer.
The damping device for the wireless inclinometer while drilling comprises a first damping block, a second damping block, a first centralizer and a second centralizer, wherein the first damping block is provided with a first threaded hole, the second centralizer is provided with a second threaded hole, and a screw is sequentially in threaded connection with the first threaded hole and the second threaded hole.
The damping device of the wireless inclinometer while drilling further comprises a first damping gasket, and the first damping gasket is located between the first damping block and the first centralizer.
The damping device of the wireless inclinometer while drilling further comprises: the damping device comprises a second damping component, a second centralizer and a second damping block, wherein one end of the second damping component is connected with the first centralizer, the other end of the second damping component is connected with the second centralizer, and the second damping block is connected with the side face of the second centralizer.
The wireless inclinometer damping device while drilling as described above, wherein the second damping assembly comprises a second cylinder and a second damping rod located within the second cylinder.
The damping device for the wireless inclinometer while drilling is described above, wherein the number of the second damping blocks is multiple, and the multiple second damping blocks are arranged at intervals along the circumferential direction of the second centralizer.
The damping device for the wireless inclinometer while drilling is described above, wherein the second damping block is fixed on the second centralizer through a screw, and a second damping gasket is arranged between the second damping block and the second centralizer.
The damping device of the wireless inclinometer while drilling further comprises a blocking cap, and the blocking cap is connected with the second centralizer.
According to the damping device of the wireless inclinometer while drilling, provided by the invention, the axial vibration borne by the wireless inclinometer while drilling is relieved through the first damping assembly, and the radial vibration borne by the wireless inclinometer while drilling is relieved through the first damping block arranged on the side surface of the first centralizer, so that the shattering damage of core precise components such as internal mechanical components of a pulser and internal precise electronic components of a probe tube of the wireless inclinometer while drilling is avoided, and the economic loss is further reduced.
In addition to the technical problems solved by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the damping device for a wireless inclinometer while drilling provided by the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.
Drawings
The above and other objects, features and advantages of the embodiments of the present invention will become more readily understood by the following detailed description with reference to the accompanying drawings. Embodiments of the invention will now be described, by way of example and not limitation, in the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a damping device of a wireless inclinometer provided by an embodiment of the invention;
FIG. 2 is a front view of a damping device of a wireless inclinometer provided by an embodiment of the invention;
FIG. 3 is a partial cross-sectional view of a damping device of a wireless inclinometer provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a first damping assembly of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention;
FIG. 5 is a schematic structural diagram of a first centralizer and a first damping block of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention;
FIG. 6 is a schematic structural diagram of a second damping assembly of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention;
fig. 7 is a schematic structural diagram of a second centralizer and a second damping block of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention.
Description of reference numerals:
1: a first dampening member; 11: a first cylinder;
111: a first connecting screw portion; 12: a first shock absorbing bar;
2: a first centralizer; 21: a first connection end;
22: a second connection end; 23: a first mounting portion;
3: a first damper block; 4: a second dampening member;
41: a second cylinder; 411: a second connecting screw portion;
412: a third connecting screw part; 42: a second shock-absorbing bar;
5: a second centralizer; 51: a third connection end;
52: a fourth connection end; 53: a second mounting portion;
6: a second damper block; 7: and (5) plugging the cap.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
FIG. 1 is a schematic structural diagram of a damping device of a wireless inclinometer provided by an embodiment of the invention; FIG. 2 is a front view of a damping device of a wireless inclinometer provided by an embodiment of the invention; FIG. 3 is a partial cross-sectional view of a damping device of a wireless inclinometer provided by an embodiment of the invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a damping device for a wireless inclinometer, including: the device comprises a first damping component 1, a first centralizer 2 and a first damping block 3, wherein one end of the first damping component 1 is used for being connected with a probe of a wireless inclinometer while drilling, the other end of the first damping component 1 is connected with the first centralizer 2, and the first damping block 3 is connected with the side face of the first centralizer 2.
Specifically, the first shock absorbing assembly 1 may include a rubber column, a foam body, or the like, for reducing the vibration to which the wireless inclinometer is axially subjected. One end of the first shock absorption assembly 1 is used for connecting with a probe of the wireless inclinometer, for example, one end of the first shock absorption assembly 1 is provided with threads and is in threaded connection with the probe of the wireless inclinometer. The other end of the first damping component 1 is connected with the first centralizer 2, for example, the other end of the first damping component 1 is provided with a thread and is in threaded connection with the first centralizer 2.
The first centralizer 2 is used for centering the whole damping device and a probe of the wireless inclinometer while drilling, and a first damping block 3 is arranged on the side face of the centralizer and used for relieving the radial vibration of the wireless inclinometer while drilling. The first centralizer 2 may comprise a connecting part and a mounting part, wherein the connecting part is used for connecting with the first damping assembly 1, and preferably, the connecting part is provided with threads; the installation department is used for installing first snubber block 3, and the installation department can be the plane, and the installation department also can be the arcwall face, does not do the restriction here.
The first damper block 3 may be an arc-shaped block, or the first damper block 3 may also be a polygonal block structure such as a rectangle, a hexagon, or the like, or the first damper block 3 may also be an irregular shape, and the specific shape of the first damper block 3 is not limited in the embodiment of the present invention. The first damping block 3 and the first centralizer 2 can be clamped, for example, a clamping groove is formed in the first centralizer 2, and the first damping block 3 is clamped in the clamping groove; first snubber block 3 and first centralizer 2 can threaded connection, for example, all be provided with the screw hole on first snubber block 3 and the first centralizer 2, and screw hole threaded connection realize that first snubber block 3 is connected with first centralizer 2.
It will be understood that in the description of the invention, axial refers to the direction of the wellbore and radial refers to the direction from the central axis of the wellbore to the wall of the wellbore.
According to the damping device for the wireless inclinometer while drilling provided by the embodiment of the invention, the first damping assembly is used for relieving the axial vibration of the wireless inclinometer while drilling, and the first damping block arranged on the side surface of the first centralizer is used for relieving the radial vibration of the wireless inclinometer while drilling, so that the shattering damage of core precision components such as internal mechanical components of a pulser and internal precision electronic components of a probe tube of the wireless inclinometer while drilling is avoided, and the economic loss is further reduced.
Fig. 4 is a schematic structural diagram of a first damping assembly of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention.
On the basis of the above embodiment, the first shock absorbing assembly 1 includes the first cylinder 11 and the first shock absorbing rod 12 located inside the first cylinder 11.
With particular reference to fig. 4, the first shock absorbing assembly 1 comprises a first cylinder 11 and a first shock absorbing rod 12, wherein the first cylinder 11 is preferably of a circular steel cylinder structure, and the first cylinder 11 comprises a first connecting thread portion 111 for being screwed with the first centralizer 2, for example, the first connecting thread portion 111 is an internal thread and is screwed with an external thread provided on the first centralizer 2. The first cylinder 11 further comprises a threaded part connected with a casing of the wireless inclinometer, and the threaded part and the first connecting threaded part 111 are respectively arranged at two ends of the first cylinder 11.
The first damper rod 12 may be a rubber rod, and the first damper rod 12 may be a foam filled in the first cylinder 11 to form a round rod structure. The first shock absorption rod 12 is used for absorbing axial shock to which the wireless inclinometer is subjected.
Fig. 5 is a schematic structural diagram of a first centralizer and a first damping block of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention.
The first damper block 3 may be provided with one, for example, the first damper block 3 is an arc damper block, and the arc damper block is connected to the first centralizer 2. In order to alleviate the vibration of the wireless inclinometer in each radial direction, the first damper blocks 3 are preferably multiple, and the multiple first damper blocks 3 are arranged at intervals along the circumferential direction of the first centralizer 2.
Specifically, the first centralizer 2 includes a first connection end 21, a second connection end 22, and a first mounting portion 23 located between the first connection end 21 and the second connection end 22, wherein the first connection end 21 is of a cylindrical structure and is provided with an external thread; the second connection end 22 is of cylindrical configuration provided with an external thread, preferably the second connection end 22 coincides with the first connection end 21. The first mounting part 23 is of a cylindrical structure, the diameter of the first mounting part is smaller than that of the first connecting end 21, the cylindrical structure is provided with a plurality of planes, a liquid passing channel of drilling fluid is formed between the planes and the inner wall of the drill collar, and the first damping block 3 is mounted on an arc-shaped surface between every two adjacent planes. Furthermore, a tapered transition portion is formed between the first connecting end 21 and the first mounting portion 23 of the first centralizer 2, and a tapered transition portion is also formed between the second connecting end 22 and the first mounting portion 23.
The number of the first damper blocks 3 may be two, three, four, and the like, and the number of the first damper blocks 3 is not limited in the embodiment of the present invention. For example, referring to fig. 5, the first damper blocks 3 are provided in three, and the three first damper blocks 3 are provided at intervals in the circumferential direction of the first centralizer 2.
Further, be provided with first screw hole on the first snubber block 3, be provided with the second screw hole on the first centralizer 2, the screw in proper order with first screw hole and second screw hole threaded connection.
Wherein, first screw hole can set up one, and first screw hole also can set up a plurality ofly, and a plurality of first screw holes equipartition on first snubber block 3, for example, refer to fig. 5, and first screw hole is provided with two, and two first screw holes set up along axial interval. Correspondingly, the number of the second threaded holes is consistent with that of the first threaded holes, and the number of the first threaded holes and the number of the second threaded holes are not limited in the embodiment of the invention.
In order to better relieve radial vibration of the wireless inclinometer while drilling, the outer diameter of the first centralizer 2 after the first damping block 3 is installed is the same as the inner diameter of the non-magnetic drill collar, wherein the wireless inclinometer while drilling is installed in the non-magnetic drill collar, and the wireless inclinometer while drilling is further prevented from shaking in the drill collar.
Furthermore, the damping device for the wireless inclinometer while drilling provided by the embodiment of the invention further comprises a first damping gasket (not shown), wherein the first damping gasket is positioned between the first damping block 3 and the first centralizer 2, so that the first damping block 3 is connected more stably and firmly, and radial vibration borne by the wireless inclinometer while drilling is further relieved.
With continued reference to fig. 1 to 3, the damping device of the wireless inclinometer provided by the embodiment of the invention further comprises: second damper 4, second centralizer 5 and second snubber block 6, the one end and the first centralizer 2 of second damper 4 are connected, and the other end and the second centralizer 5 of second damper 4 are connected, and second snubber block 6 is connected with the side of second centralizer 5.
Specifically, the second shock absorbing assembly 4 may comprise a rubber post, foam, or the like, for mitigating axial shock experienced by the wireless inclinometer. One end of the second damper assembly 4 is connected to the first centralizer 2, for example, one end of the second damper assembly 1 is threaded to be threadedly connected to the second connection end 22 of the first centralizer 2. The other end of the second damper 4 is connected to the second centralizer 5, for example, the other end of the second damper 4 is threaded to the second centralizer 5.
The second centralizer 5 is used for centering the whole damping device and a probe tube of the wireless inclinometer while drilling, and a second damping block 6 is arranged on the side face of the second centralizer and used for reducing radial vibration of the wireless inclinometer while drilling. The second centralizer 5 may comprise a connecting portion for connecting with the second damping assembly 4, and a mounting portion, wherein the connecting portion is preferably provided with a thread; the mounting portion is used for mounting the second damping block 6, and the mounting portion may be a plane or an arc-shaped surface, which is not limited herein.
The second damping block 6 may be an arc-shaped block, or the second damping block 6 may also be a polygonal block structure such as a rectangle, a hexagon, or the like, or the second damping block 6 may also be an irregular shape, and the specific shape of the second damping block 6 is not limited in the embodiment of the present invention. The second damping block 6 and the second centralizer 5 can be clamped, for example, a clamping groove is formed in the second centralizer 5, and the second damping block 6 is clamped in the clamping groove; second snubber block 6 and second centralizer 5 can threaded connection, for example, all be provided with the screw hole on second snubber block 6 and the second centralizer 5, and screw hole threaded connection realize that second snubber block 6 and second centralizer 5 are connected.
It will be appreciated that the second shock assembly 4 may be identical to the first shock assembly 1, the second centralizer 5 may be identical to the first centralizer 2 and the second shock block 6 may be identical to the first shock block 3.
In addition, the overall length of the wireless inclinometer damping device provided by the embodiment of the invention is suitable for the length of a non-magnetic drill collar, for example, the overall length of the wireless inclinometer damping device provided by the embodiment of the invention is about 7 meters, wherein the length of the first damping assembly 1 is between 30 centimeters and 1 meter, and the length of the second damping assembly 4 is between 30 centimeters and 1 meter.
Fig. 6 is a schematic structural diagram of a second damping assembly of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention.
On the basis of the above embodiment, referring to fig. 6, the second damper group 4 includes a second cylinder 41 and a second damper rod 42 located inside the second cylinder 41.
The second damper assembly 4 includes a second cylinder 41 and a second damper rod 42, wherein the second cylinder 41 is preferably a circular steel cylinder structure, the second cylinder 41 includes a second connection thread portion 411 and a third connection thread portion 412, the second connection thread portion 411 is in threaded connection with the first threaded portion 111 of the first cylinder 11, and the third connection thread portion 412 is in threaded connection with the third connection end 51 of the second centralizer 5.
The second damper rod 42 may be a rubber rod, and the second damper rod 42 may be a foam filled in the second cylinder 41 to form a round rod structure. The second shock absorbing rod 42 is used for absorbing axial shock to which the wireless inclinometer is subjected.
Fig. 7 is a schematic structural diagram of a second centralizer and a second damping block of the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention.
One of the second damper blocks 6 may be provided, for example, the second damper block 6 is an arc damper block, and the arc damper block is connected to the second centralizer 5. In order to alleviate various radial vibration to which the wireless inclinometer is subjected, the second damper block 6 is preferably multiple, and multiple second damper blocks 6 are arranged at intervals along the circumferential direction of the second centralizer 5.
Specifically, the second centralizer 5 includes a third connecting end 51, a fourth connecting end 52 and a second mounting portion 53 located between the third connecting end 51 and the fourth connecting end 52, wherein the third connecting end 51 is a cylindrical structure and is provided with an external thread; the fourth connection end 52 is of a cylindrical configuration provided with an external thread, preferably the fourth connection end 52 coincides with the third connection end 51. The second mounting part 53 is of a cylindrical structure, the diameter of the second mounting part is smaller than that of the third connecting end 51, the cylindrical structure is provided with a plurality of planes, a liquid passing channel of drilling fluid is formed between each plane and the inner wall of the drill collar, and the second damping block 6 is mounted on an arc-shaped surface between every two adjacent planes. A tapered transition portion is formed between the third connecting end 51 and the second mounting portion 23 of the second centralizer 5, and a tapered transition portion is also formed between the fourth connecting end 52 and the second mounting portion 53.
The number of the second damper blocks 6 may be two, three, four, or the like, and the number of the second damper blocks 6 is not limited in the embodiment of the present invention. For example, referring to fig. 7, the second damper blocks 6 are provided in three, and the three second damper blocks 6 are provided at intervals in the circumferential direction of the second centralizer 5.
Further, the second damper block 6 is fixed to the second centralizer 5 by a screw, and a second damper pad (not shown) is provided between the second damper block 6 and the second centralizer 5.
Specifically, a third threaded hole is formed in the second damping block 6, a fourth threaded hole is formed in the second centralizer 5, and screws are sequentially in threaded connection with the third threaded hole and the fourth threaded hole. Wherein, the third screw hole can set up one, and the third screw hole also can set up a plurality ofly, and a plurality of third screw holes equipartition on second snubber block 6, for example, refer to fig. 7, and the third screw hole is provided with two, and two third screw holes set up along axial interval. Correspondingly, the number of the fourth threaded holes is consistent with that of the third threaded holes, and the number of the third threaded holes and the number of the fourth threaded holes are not limited in the embodiment of the invention.
The second damping block 6 is fixed on the second centralizer 5 through screws, and is simple and convenient to install and stable and firm in connection.
In order to better relieve radial vibration of the wireless inclinometer while drilling, the outer diameter of the second centralizer 5 after the second damping block 6 is installed is the same as the inner diameter of the non-magnetic drill collar, wherein the wireless inclinometer while drilling is installed in the non-magnetic drill collar, and the wireless inclinometer while drilling is further prevented from shaking in the drill collar.
Furthermore, the damping device for the wireless inclinometer while drilling provided by the embodiment of the invention further comprises a second damping gasket (not shown), wherein the second damping gasket is located between the second damping block 6 and the second centralizer 5, so that the radial vibration borne by the wireless inclinometer while drilling is further relieved while the second damping block 6 is connected more stably and firmly.
With continued reference to fig. 1 to 3, the damping device of the wireless inclinometer while drilling provided by the embodiment of the invention further comprises a blocking cap, and the blocking cap 7 is connected with the second centralizer 5. Specifically, the plugging cap 7 is in threaded connection with the fourth connection end 52 of the second centralizer 5 to prevent drilling fluid from entering the interior of the wireless inclinometer while drilling.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A damping device of a wireless inclinometer while drilling is characterized by comprising: the device comprises a first shock absorption assembly, a first centralizer and a first shock absorption block, wherein one end of the first shock absorption assembly is used for being connected with a probe of a wireless inclinometer while drilling, the other end of the first shock absorption assembly is connected with the first centralizer, and the first shock absorption block is connected with the side face of the first centralizer.
2. The wireless inclinometer shock absorption while drilling device of claim 1, wherein the first shock absorbing assembly comprises a first cylinder and a first shock absorbing rod located within the first cylinder.
3. The wireless inclinometer shock absorbing device while drilling of claim 1, wherein the first shock absorbing block is multiple and is arranged at intervals along the circumference of the first centralizer.
4. The damping device of the wireless inclinometer while drilling according to claim 3, wherein a first threaded hole is formed in the first damping block, a second threaded hole is formed in the first centralizer, and a screw is sequentially in threaded connection with the first threaded hole and the second threaded hole.
5. The wireless inclinometer while drilling damping device according to claim 4, further comprising a first damping washer located between the first damping block and the first centralizer.
6. The wireless inclinometer shock absorbing device while drilling of any one of claims 1 to 5, further comprising: the damping device comprises a second damping component, a second centralizer and a second damping block, wherein one end of the second damping component is connected with the first centralizer, the other end of the second damping component is connected with the second centralizer, and the second damping block is connected with the side face of the second centralizer.
7. The wireless inclinometer shock absorption while drilling device according to claim 6, wherein the second shock absorbing assembly comprises a second cylinder and a second shock absorbing rod located within the second cylinder.
8. The wireless inclinometer shock absorbing device while drilling of claim 6, wherein the second shock absorbing block is multiple and is arranged at intervals along the circumference of the second centralizer.
9. The damping device of the wireless inclinometer while drilling according to claim 8, wherein the second damping block is fixed on the second centralizer through a screw, and a second damping gasket is arranged between the second damping block and the second centralizer.
10. The wireless inclinometer shock absorbing device while drilling of claim 6, further comprising a blanking cap connected to the second centralizer.
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| CN201910556240.2A CN112127875A (en) | 2019-06-25 | 2019-06-25 | Damping device of wireless inclinometer |
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| CN201910556240.2A CN112127875A (en) | 2019-06-25 | 2019-06-25 | Damping device of wireless inclinometer |
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