CN112727380A - Sealing centralizer for high-temperature wireless while-drilling system and high-temperature wireless while-drilling system - Google Patents
Sealing centralizer for high-temperature wireless while-drilling system and high-temperature wireless while-drilling system Download PDFInfo
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- CN112727380A CN112727380A CN201910970980.0A CN201910970980A CN112727380A CN 112727380 A CN112727380 A CN 112727380A CN 201910970980 A CN201910970980 A CN 201910970980A CN 112727380 A CN112727380 A CN 112727380A
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- sealing
- centralizer
- drilling system
- component
- temperature wireless
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- 238000007789 sealing Methods 0.000 title claims abstract description 129
- 238000005553 drilling Methods 0.000 title claims abstract description 51
- 229920001971 elastomer Polymers 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- VRUVRQYVUDCDMT-UHFFFAOYSA-N [Sn].[Ni].[Cu] Chemical compound [Sn].[Ni].[Cu] VRUVRQYVUDCDMT-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical group C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 239000002002 slurry Substances 0.000 abstract description 8
- 239000000523 sample Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a sealing centralizer for a high-temperature wireless while-drilling system and the high-temperature wireless while-drilling system. The pressure sealing plug comprises a first connecting terminal, a second connecting terminal, a third sealing component, a fourth sealing component, a third supporting component, a fourth supporting component and a pressure sealing plug body; the third sealing part and the fourth sealing part are respectively arranged at the positions, connected with the centralizer body, of the two ends of the pressure sealing plug body; the third and fourth supporting parts are respectively arranged at the positions connected with the centralizer body on the two ends of the pressure sealing plug body. According to the invention, the pressure sealing plug is added in the centralizer, when slurry is poured in due to compression failure of a certain component in the system, the pressure sealing plug has the functions of sealing and isolating the slurry, and other components cannot be influenced.
Description
Technical Field
The invention relates to the technical field of measurement while drilling of petroleum drilling, in particular to a sealing centralizer for a high-temperature wireless while-drilling system and the high-temperature wireless while-drilling system.
Background
At present, in the domestic oil drilling operation, along with the increase of the drilling depth and the gradual complexity of the drilling process, the requirements on the temperature performance and the pressure resistance of a wireless measurement while drilling system are higher and higher. The centralizer is one of key parts in a wireless while-drilling system, and mainly plays a role in connecting various parts such as a probe, a pulser and a battery pack, supporting and damping in a nonmagnetic drill ship. The centralizer plays a through role in the electrical connection of the wireless drilling system, namely, all points of the connectors at the upper end and the lower end of the centralizer are conducted one by one.
The existing centralizer which is widely applied at present has an internal structure which is directly communicated, namely, all parts of a wireless drilling system have no sealing and isolating functions in the axial direction. When mud is poured in due to the fact that one part of the parts is subjected to pressure failure, the mud can be circulated to other parts through the centralizer, and therefore the whole series of instruments can be in failure.
Disclosure of Invention
The invention provides a sealing centralizer for a high-temperature wireless while-drilling system and the high-temperature wireless while-drilling system, which can solve the technical problem that a whole string of instruments fails due to compression failure of a certain component in the prior art.
The invention adopts the following technical scheme:
on one hand, the invention provides a sealing centralizer for a high-temperature wireless while-drilling system, which comprises a centralizer body, a first connector, a second connector, a first sealing part, a second sealing part, a first supporting part, a second supporting part, a cushion block and a pressure sealing plug, wherein the first connector is connected with the first connector; the centralizer body is of a hollow structure; the first connector and the second connector are respectively arranged on the end faces of two ends of the centralizer body; the first sealing part and the second sealing part are respectively arranged at the positions, connected with other parts in the high-temperature wireless while-drilling system, of the two ends of the centralizer body and are used for sealing the positions, connected with other parts in the high-temperature wireless while-drilling system, of the centralizer body; the first supporting component and the second supporting component are respectively arranged at the positions, connected with other components in the high-temperature wireless while-drilling system, of the two ends of the centralizer body; the centralizer is used for supporting other components in the high-temperature wireless while-drilling system connected to the two ends of the centralizer body; the cushion block is arranged on the outer surface of the middle part of the centralizer body; the pressure sealing plug is arranged inside one end of the centralizer body;
the pressure sealing plug comprises a first connecting terminal, a second connecting terminal, a third sealing component, a fourth sealing component, a third supporting component, a fourth supporting component and a pressure sealing plug body; the first connecting terminal and the second connecting terminal are respectively arranged on the end faces of the two ends of the pressure sealing plug body; the first connecting terminal is connected with the first connector; the second wiring terminal is connected with the second connector; the third sealing component and the fourth sealing component are respectively arranged at the positions, connected with the centralizer body, on the two ends of the pressure sealing plug body and used for sealing the position, connected with the pressure sealing plug body, of the centralizer body; the third supporting component and the fourth supporting component are respectively arranged at the positions, connected with the centralizer body, of the two ends of the pressure sealing plug body and are used for supporting the centralizer body.
Preferably, the first sealing component, the second sealing component, the third sealing component and the fourth sealing component are sealing rings; the first support component, the second support component, the third support component and the fourth support component all adopt support rings.
Preferably, the pressure sealing plug is connected with the centralizer body through a connecting part; the connecting part adopts a threaded pressing cap.
Preferably, the first connecting terminal is connected with the first connector through a high-temperature wire; the second connecting terminal is connected with the second connector through a high-temperature lead; the first connecting terminal and the second connecting terminal adopt contact pins; the first connector and the second connector adopt aviation plugs.
Preferably, the material of the centralizer body is tin-copper-nickel metastable alloy.
Preferably, the pressure sealing plug body is made of polyether ether ketone.
Preferably, the cushion block is made of a rubber cushion block, and the material of the rubber cushion block is hydrogenated butadiene-acrylonitrile rubber.
Preferably, the number of the rubber cushion blocks is three, and the rubber cushion blocks are circumferentially arranged on the outer surface of the middle part of the centralizer body and form an angle of 120 degrees with each other.
Preferably, the three rubber cushion blocks are connected with the centralizer body through screws.
By applying the technical scheme of the invention, the pressure sealing plug is additionally arranged in the centralizer, when slurry is poured in due to compression failure of a part in the system, the pressure sealing plug in the centralizer has the functions of sealing and isolating the slurry, and other parts cannot be influenced.
On the other hand, the invention also provides a high-temperature wireless while-drilling system which comprises the sealing centralizer.
By applying the technical scheme of the invention, the sealing centralizer is used for connecting each component in the high-temperature wireless while-drilling system, and when slurry is filled into the system due to compression failure of one component, other components cannot be influenced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Figure 1 shows a schematic of the seal centralizer of the present invention.
Fig. 2 shows a schematic structural diagram of the pressure sealing plug of the present invention.
Fig. 3 shows a schematic wiring diagram of the pressure sealing plug of the present invention.
FIG. 4 shows a schematic structural diagram of the high-temperature wireless while drilling system of the present invention.
Description of the reference numerals
1. A first connector; 2. a second connector; 3. a first seal member; 4. a second seal member; 5. a first support member; 6. a second support member; 7. cushion blocks; 8. a centralizer body; 9. pressure sealing the plug; 10. a connecting member; 11. a first connection terminal; 12. a second connection terminal; 13. a third seal member; 14. a fourth seal member; 15. a third support member; 16. a fourth support member; 17. the plug body is sealed by pressure; 18. a pulser; 19. a battery pack; 20. a probe tube; 21. a tail end; 22. and (4) sealing the centralizer.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic structural view of the sealing centralizer of the present invention, and fig. 2 is a schematic structural view of the pressure sealing plug of the present invention. Referring to fig. 1 and 2, an embodiment of the invention provides a sealing centralizer for a high-temperature wireless while-drilling system, which includes a centralizer body 8, a first connector 1, a second connector 2, a first sealing member 3, a second sealing member 4, a first supporting member 5, a second supporting member 6, a cushion block 7 and a pressure sealing plug 9; the centralizer body 8 is of a hollow structure; the first connector 1 and the second connector 2 are respectively arranged on the end surfaces of two ends of the centralizer body 8; the first sealing component 3 and the second sealing component 4 are respectively arranged at the positions, connected with other components in the high-temperature wireless while-drilling system, on the two ends of the centralizer body 8 and used for sealing the positions, connected with other components in the high-temperature wireless while-drilling system, of the centralizer body 8; the first supporting part 5 and the second supporting part 6 are respectively arranged at the positions, connected with other parts in the high-temperature wireless while-drilling system, of two ends of the centralizer body 8; the centralizer is used for supporting other components in the high-temperature wireless while-drilling system connected to the two ends of the centralizer body 8; the cushion block 7 is arranged on the outer surface of the middle part of the centralizer body 8; the pressure sealing plug 9 is arranged inside one end of the centralizer body 8. The pressure sealing plug 9 comprises a first connecting terminal 11, a second connecting terminal 12, a third sealing component 13, a fourth sealing component 14, a third supporting component 15, a fourth supporting component 16 and a pressure sealing plug body 17; the first connecting terminal 11 and the second connecting terminal 12 are respectively arranged on the end surfaces of the two ends of the pressure sealing plug body 17; the first connection terminal 11 is connected to the first connector 1; the second connection terminal 12 is connected to the second connector 2; the third sealing member 13 and the fourth sealing member 14 are respectively arranged at the positions connected with the centralizer body 8 on the two ends of the pressure sealing plug body 17, and are used for sealing the position where the centralizer body 8 is connected with the pressure sealing plug body 17; the third support member 15 and the fourth support member 16 are respectively disposed at positions connected to the centralizer body 8 on both ends of the pressure seal plug body 17, and are configured to support the centralizer body 8.
The first sealing member 3, the second sealing member 4, the third sealing member 13 and the fourth sealing member 14 of the present invention are all sealing rings; the first support part 5, the second support part 6, the third support part 15 and the fourth support part 16 all adopt support rings. Two sealing rings and two support rings arranged on the pressure sealing plug 9 form interference fit with the inner wall of the pressure sealing plug body 17. The two sealing rings are in an extrusion state, so that the flow of slurry at two axial ends is blocked, and axial sealing is formed. The pressure sealing plug 9 is connected with the centralizer body 8 through a connecting part 10, wherein the connecting part 10 adopts a threaded pressing cap, and the pressure sealing plug 9 is fixed by tightening the thread of the threaded pressing cap.
Fig. 3 is a schematic wiring diagram of the pressure sealing plug of the present invention. Referring to fig. 3, the first connection terminal 11 is connected to the first connector 1 by a high temperature wire, and the second connection terminal 12 is connected to the second connector 2 by a high temperature wire. The first connecting terminal 11 and the second connecting terminal 12 are pins, and the first connector 1 and the second connector 2 are aviation plugs. When the connecting wire is assembled, the high-temperature conducting wire is welded on the contact pin and is welded with the two aviation plugs at the two ends in a one-to-one correspondence mode, and the electrical connectivity of the two ends of the sealing centralizer is guaranteed.
The aviation plug is fixedly connected to the end faces of two ends of the centralizer body 8 through four screws and is used for being electrically connected with other components in the high-temperature wireless drilling system, wherein the screws are cross-recessed pan head screws. The model of the aviation plug can be TS20W13-35SN or DTS20W13-35PN, and the aviation plug with the model is high temperature resistant and can reach 200 ℃.
The centralizer body 8 is made of a metastable tin-copper-nickel alloy which has better compression resistance, erosion resistance and corrosion resistance. The material of the pressure sealing plug body 17 adopts polyether-ether-ketone, and the high temperature resistance of the material can reach 260 ℃ and the pressure resistance of the material is more than 200 MPa.
The cushion block 7 of the invention adopts a rubber cushion block to play a role in damping and supporting, the material of the rubber cushion block adopts hydrogenated butadiene-acrylonitrile rubber, the material is vulcanized on a beryllium bronze material through a special process, and the material has stronger temperature resistance, compression resistance and scouring resistance. The number of the rubber cushion blocks is three, and the rubber cushion blocks are arranged on the outer surface of the middle part of the centralizer body 8 along the circumferential direction and form an angle of 120 degrees with each other. The three rubber cushion blocks are connected with the centralizer body 8 through screws, wherein the screws are hexagon socket head cap screws.
According to the technical scheme, the pressure sealing plug 9 is additionally arranged in the centralizer, when slurry is poured in due to compression failure of a part in the system, the pressure sealing plug 9 in the centralizer has the functions of sealing and isolating the slurry, and other parts cannot be influenced.
FIG. 4 is a schematic structural diagram of a high-temperature wireless while-drilling system according to the present invention. Referring to FIG. 4, a high temperature wireless while drilling system includes the seal centralizer 22 described above. The high-temperature wireless while-drilling system further comprises a pulser 18, a battery pack 19, a probe 20 and a tail end 21, wherein the pulser 18 is connected with the battery pack 19, the battery pack 19 is connected with the probe 20, and the probe 20 is connected with the tail end 21 through the sealing centralizer 22. The pulser 18, the battery pack 19, the probe tube 20 and the tail end 21 are in threaded connection with the sealing centralizer 22, wherein external threads are arranged at two ends of the centralizer body 8, internal threads are arranged in the pulser 18, the battery pack 19, the probe tube 20 and the tail end 21, a sealing ring and a supporting ring are respectively arranged at the positions where the two ends of the centralizer body 8 are in threaded connection with the pulser 18, the battery pack 19, the probe tube 20 and the tail end 21, and the sealing ring is in an extrusion state and plays a role in sealing. When mud is poured in due to compression failure of a certain component in the high-temperature wireless while-drilling system, other components cannot be affected.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sealing centralizer for a high-temperature wireless while-drilling system is characterized by comprising a centralizer body, a first connector, a second connector, a first sealing part, a second sealing part, a first supporting part, a second supporting part, a cushion block and a pressure sealing plug;
the centralizer body is of a hollow structure; the first connector and the second connector are respectively arranged on the end faces of two ends of the centralizer body;
the first sealing part and the second sealing part are respectively arranged at the positions, connected with other parts in the high-temperature wireless while-drilling system, of the two ends of the centralizer body and are used for sealing the positions, connected with other parts in the high-temperature wireless while-drilling system, of the centralizer body;
the first supporting component and the second supporting component are respectively arranged at the positions, connected with other components in the high-temperature wireless while-drilling system, of the two ends of the centralizer body; the centralizer is used for supporting other components in the high-temperature wireless while-drilling system connected to the two ends of the centralizer body;
the cushion block is arranged on the outer surface of the middle part of the centralizer body; the pressure sealing plug is arranged inside one end of the centralizer body;
the pressure sealing plug comprises a first connecting terminal, a second connecting terminal, a third sealing component, a fourth sealing component, a third supporting component, a fourth supporting component and a pressure sealing plug body; the first connecting terminal and the second connecting terminal are respectively arranged on the end faces of the two ends of the pressure sealing plug body; the first connecting terminal is connected with the first connector; the second wiring terminal is connected with the second connector; the third sealing component and the fourth sealing component are respectively arranged at the positions, connected with the centralizer body, on the two ends of the pressure sealing plug body and used for sealing the position, connected with the pressure sealing plug body, of the centralizer body; the third supporting component and the fourth supporting component are respectively arranged at the positions, connected with the centralizer body, of the two ends of the pressure sealing plug body and are used for supporting the centralizer body.
2. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 1, wherein: the first sealing component, the second sealing component, the third sealing component and the fourth sealing component are sealing rings; the first support component, the second support component, the third support component and the fourth support component all adopt support rings.
3. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 1, wherein: the pressure sealing plug is connected with the centralizer body through a connecting part; the connecting part adopts a threaded pressing cap.
4. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 1, wherein: the first connecting terminal is connected with the first connector through a high-temperature wire; the second connecting terminal is connected with the second connector through a high-temperature lead; the first connecting terminal and the second connecting terminal adopt contact pins; the first connector and the second connector adopt aviation plugs.
5. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 1, wherein: the centralizer body is made of a metastable tin-copper-nickel alloy.
6. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 1, wherein: the pressure sealing plug body is made of polyether-ether-ketone.
7. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 1, wherein: the cushion block is made of rubber cushion block, and the material of the rubber cushion block is hydrogenated butadiene-acrylonitrile rubber.
8. The sealing centralizer for the high-temperature wireless while-drilling system according to claim 7, wherein: the number of the rubber cushion blocks is three, the rubber cushion blocks are arranged on the outer surface of the middle of the centralizer body along the circumferential direction, and an angle of 120 degrees is formed between the rubber cushion blocks.
9. The sealing centralizer for the high-temperature wireless while-drilling system of claim 8, wherein: the three rubber cushion blocks are connected with the centralizer body through screws.
10. A high temperature wireless while drilling system comprising the seal centralizer of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970980.0A CN112727380A (en) | 2019-10-14 | 2019-10-14 | Sealing centralizer for high-temperature wireless while-drilling system and high-temperature wireless while-drilling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970980.0A CN112727380A (en) | 2019-10-14 | 2019-10-14 | Sealing centralizer for high-temperature wireless while-drilling system and high-temperature wireless while-drilling system |
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| CN112727380A true CN112727380A (en) | 2021-04-30 |
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| CN201910970980.0A Pending CN112727380A (en) | 2019-10-14 | 2019-10-14 | Sealing centralizer for high-temperature wireless while-drilling system and high-temperature wireless while-drilling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234223A (en) * | 2022-08-22 | 2022-10-25 | 东营诺瑞克电池有限公司 | Telescopic rod capable of wirelessly transmitting signals and achieving rapid stepless distance adjustment and dynamic locking |
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| CA1304626C (en) * | 1987-03-27 | 1992-07-07 | Joseph Rezewski | Polish rod centralizer |
| CN1373283A (en) * | 2001-03-01 | 2002-10-09 | 白贻忠 | Drill collar without destabilization |
| CN2732987Y (en) * | 2004-10-16 | 2005-10-12 | 高忠平 | Wellhead sealer for pumping well |
| CN200943451Y (en) * | 2006-02-27 | 2007-09-05 | 新疆石油管理局钻井工艺研究院 | Rubber wing centralizer |
| CN201125682Y (en) * | 2007-12-16 | 2008-10-01 | 徐忠臣 | Electrothermic rod seal centralizer |
| CN201334877Y (en) * | 2009-01-11 | 2009-10-28 | 中国石化集团胜利石油管理局钻井工程技术公司 | Slurry-proof device for searching tube of underground wireless MWD (measurement while drilling) measuring apparatus |
| CN201347752Y (en) * | 2009-01-15 | 2009-11-18 | 北京中盛正庆科技发展有限公司 | Connection plug of wireless directional tool |
| CN201517417U (en) * | 2009-10-13 | 2010-06-30 | 北京宝恩通科技有限公司 | Centralizer for wireless drilling inclinometer |
| CN201627579U (en) * | 2010-01-13 | 2010-11-10 | 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 | Continuous-wave generator with bidirectional wheel |
| CN103510882A (en) * | 2013-10-23 | 2014-01-15 | 陕西高新能源发展有限公司 | Pumping rod centralizer |
| CN104373111A (en) * | 2014-10-24 | 2015-02-25 | 中国石油天然气集团公司 | Logging instrument centralizing plug |
| CN205918373U (en) * | 2016-08-29 | 2017-02-01 | 苏州金科发能源技术有限公司 | It is wireless along with boring centralizer in inclinometer |
| CN106593322A (en) * | 2016-09-20 | 2017-04-26 | 贝兹维仪器(苏州)有限公司 | Stabilizer short section butt joint device |
| CN208996671U (en) * | 2018-11-02 | 2019-06-18 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of wireless drilling inclinometers connection righting structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234223A (en) * | 2022-08-22 | 2022-10-25 | 东营诺瑞克电池有限公司 | Telescopic rod capable of wirelessly transmitting signals and achieving rapid stepless distance adjustment and dynamic locking |
| CN115234223B (en) * | 2022-08-22 | 2023-07-14 | 东营诺瑞克电池有限公司 | Telescopic rod capable of wirelessly transmitting signals and rapidly stepless distance adjustment and dynamic locking |
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Application publication date: 20210430 |