CN117468869A - Double-layer casing drill rod - Google Patents
Double-layer casing drill rod Download PDFInfo
- Publication number
- CN117468869A CN117468869A CN202311579270.8A CN202311579270A CN117468869A CN 117468869 A CN117468869 A CN 117468869A CN 202311579270 A CN202311579270 A CN 202311579270A CN 117468869 A CN117468869 A CN 117468869A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- head
- groove
- conduction device
- butt joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 210000001503 joint Anatomy 0.000 claims description 31
- 238000003032 molecular docking Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
-
- 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
- E21B17/02—Couplings; joints
- E21B17/028—Electrical or electro-magnetic connections
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (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)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The embodiment of the application discloses a double-layer casing drill rod, which comprises a guide shaft sleeve and a swivel transmission guide rod, wherein a signal transmitting device and a first electric conduction device are arranged on the guide shaft sleeve, and the first electric conduction device is connected with the signal transmitting device; the rotary head transmission guide rod is rotationally assembled in the guide shaft sleeve, the rotary head transmission guide rod is provided with a signal wire and a second electric conduction device, the signal wire is connected with the second electric conduction device, the second electric conduction device is annularly arranged on the periphery of the rotary head transmission guide rod, and the second electric conduction device is connected with the first electric conduction device so that the signal transmitting device transmits signals through the signal wire, and can stably transmit signals.
Description
Technical Field
The application relates to the field of petroleum stratum drilling machines, in particular to a double-layer casing drill rod.
Background
The existing petroleum stratum drilling process needs to be subjected to directional perforation on the stratum so that Dan Youceng can be achieved, in the drilling process of a drill bit, the influence on signals is larger and larger due to the fact that the thickness of a soil layer is larger and larger, when the drill bit drills into the soil layer, signals transmitted by a sensor on the drill bit are broken, stable transmission cannot be achieved, and drilling efficiency of the drill bit is affected.
Disclosure of Invention
The application provides a double-deck sleeve pipe drilling rod can solve the unable stable transmission's of current drilling rod signal problem.
The application provides a double casing drill pipe, include:
the device comprises a guide shaft sleeve, wherein a signal transmitting device and a first electric conduction device are arranged on the guide shaft sleeve, and the first electric conduction device is connected with the signal transmitting device;
the rotary head transmission guide rod is rotationally assembled in the guide shaft sleeve, a signal wire is arranged in the rotary head transmission guide rod, a second electric conduction device is arranged outside the rotary head transmission guide rod, the signal wire is connected with the second electric conduction device, the second electric conduction device is annularly arranged at the periphery of the rotary head transmission guide rod, and the second electric conduction device is electrically connected with the first electric conduction device so that the signal transmitting device transmits signals through the signal wire.
Optionally, in some embodiments of the present application, the second electrical conduction device includes a conductive ring, the conductive ring is disposed around the swivel transmission guide rod, the conductive ring is electrically connected to the first electrical conduction device, and the conductive ring is electrically connected to the signal line.
Optionally, in some embodiments of the present application, a first fixing groove is provided on the guide sleeve at a position corresponding to the first electrical conduction device, and the first electrical conduction device includes:
the mounting sleeve is arranged in the first fixing groove, and a second fixing groove is formed in the mounting sleeve;
the first connecting piece is arranged in the second fixing groove and is abutted with the conducting ring;
the elastic piece is abutted to the mounting sleeve, so that the first connecting piece is elastically abutted to the conductive ring.
Optionally, in some embodiments of the present application, a third fixing groove and a through groove are further formed in the guide shaft sleeve, the signal transmitting device is disposed in the third fixing groove, the through groove is communicated with the first fixing groove and the third fixing groove, a second connecting piece is disposed at a position corresponding to the through groove on the mounting sleeve, one end of the second connecting piece is connected with the first connecting piece, and the other end of the second connecting piece is connected with the signal transmitting device through the through groove.
Optionally, in some embodiments of the present application, a third connecting piece is disposed in the through groove, an abutment block is disposed on the third connecting piece, and the abutment block is located between the second connecting piece and the third connecting piece, and the second connecting piece is slidably connected on the abutment block.
Optionally, in some embodiments of the present application, a spacer and a damping device are disposed in the third fixing groove, and the signal transmitting device is located between the spacer and the damping device, and two ends of the spacer and the damping device are respectively abutted to a groove wall of the third fixing groove.
Optionally, in some embodiments of the present application,
the inner wall of the guide shaft sleeve is provided with a sealing component, a first annular groove is annularly arranged on the rotary head transmission guide rod corresponding to the sealing component, the sealing component is embedded in the first annular groove, and two ends of the sealing component are both abutted against the groove wall of the first annular groove;
the sealing component is rotatably connected with the swivel transmission guide rod.
Optionally, in some embodiments of the present application,
the double-layer casing drill rod further comprises a butt joint assembly, the butt joint assembly is arranged at one end of the swivel transmission guide rod, and the butt joint assembly is connected with the signal wire;
the butt joint assembly comprises a butt joint male head and a butt joint female head, the butt joint male head is connected with the signal wire, the butt joint male head is in butt joint with the butt joint female head so that the signal wire is connected with an external connection wire, the butt joint female head is provided with a first sleeve and a second sleeve, the first sleeve is located in the second sleeve, the butt joint male head is provided with a first protruding head and a second protruding head, the first protruding head is located on the second protruding head, and when the butt joint male head is connected with the butt joint female head, the first sleeve is sleeved outside the first protruding head, and the second sleeve is sleeved outside the second protruding head.
Optionally, in some embodiments of the present application,
the first raised head is provided with a fixing piece, and the position in the first sleeve corresponding to the fixing piece is provided with a fixing ring or
The first raised head is provided with a fixed ring, and a fixed piece is arranged in the first sleeve corresponding to the fixed ring;
the fixing piece is positioned in the fixing ring.
Optionally, in some embodiments of the present application, the double casing drill pipe further comprises:
and the pilot bit is assembled on one end of the swivel transmission guide rod, which is far away from the butt joint assembly.
According to the embodiment of the application, the guide shaft sleeve and the turning head transmission guide rod are adopted to be in a mutually rotating mode, and the first electric conduction device and the second electric conduction device are in a matching relation, so that when the turning head transmission guide rod rotates in the guide shaft sleeve, a signal wire is always connected with a signal transmitting device through the connection relation between the second electric conduction device and the first electric conduction device, the signal receiving device on the ground can receive the transmitted depth value of an electromagnetic signal rod in real time, the inclination angle, the rotation angle, the underground temperature and other signal parameters, the drill bit can drill along a preset track line in real time through the signal parameters, signal transmission can be stably carried out, and the process of drilling is fed back timely.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall cut-away structure of a dual casing drill pipe according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a partial cut-away structure of a pilot bit with built-in signal output according to an embodiment of the present application;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is an enlarged view of region B of FIG. 2;
fig. 5 is an exploded view of the docking assembly.
Reference numerals illustrate:
100. a guide sleeve; 110. a signal transmitting device; 120. a first electrical conduction device; 121. a mounting sleeve; 1211. a second fixing groove; 1212. a second connector; 122. a first connector; 123. an abutment; 124. an elastic member; 130. a first fixing groove; 140. a third fixing groove; 141. a gasket; 142. a damping device; 150. a through groove; 151. a third connecting member; 1511. an abutment block; 160. a seal assembly; 161. a collar; 162. a bearing; 163. a fixing ring; 200. a swivel drive guide rod; 210. a signal line; 220. a second electrical conduction device; 221. a conductive ring; 230. a first ring groove; 300. a docking assembly; 310. butting the female heads; 311. a first sleeve; 312. a second sleeve; 320. butting a male head; 321. a first projection; 3211. a fixing member; 322. a second raised head; 3221. a fixing ring; 400. and guiding the drill bit.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments that can be obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of protection of the present application. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the application. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.
It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It should also be noted that, in the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Specifically, as shown in fig. 1-4, the present application provides a double-layer casing drill rod, which includes a guide sleeve 100 and a swivel transmission guide rod 200, wherein a signal transmitting device 110 and a first electric conduction device 120 are arranged on the guide sleeve 100, and the first electric conduction device 120 is connected to the signal transmitting device 110; the turning head transmission guide rod 200 is rotatably assembled in the guide shaft sleeve 100, a signal wire 210 is arranged in the turning head transmission guide rod 200, a second electric conduction device 220 is arranged outside the turning head transmission guide rod 200, the signal wire 210 is connected with the second electric conduction device 220, the second electric conduction device 220 is annularly arranged on the periphery of the turning head transmission guide rod 200, and the second electric conduction device 220 is connected with the first electric conduction device 120 so that the signal transmitting device 110 transmits signals through the signal wire 210. In this embodiment, the manner of mutual rotation of the guide sleeve 100 and the swivel transmission guide rod 200 and the matching relationship between the first electrical conduction device 120 and the second electrical conduction device 220 are set, so that when the swivel transmission guide rod 200 rotates in the guide sleeve 100, the signal line 210 is always connected with the signal transmitting device 110 through the connection relationship between the second electrical conduction device 220 and the first electrical conduction device 120, wherein the signal transmitting device 110 comprises an electromagnetic signal rod, the electromagnetic signal rod can send out a signal, and signal parameters such as a depth value, an inclination angle, a rotation angle, an underground temperature and the like of the transmission of the electromagnetic signal rod can be received in real time by a signal receiving device on the ground, and drilling construction of a drill bit along a predetermined track line can be realized in real time by the signal parameters, so that signal transmission can be stably performed to timely feed back the drilling progress.
In this embodiment, the guiding sleeve 100 is set as an external driving shaft, when the drill rod is extended into the ground, the external driving shaft provides a direction for the movement of the rotary head transmission guide rod 200, the external driving shaft has a certain radian, the radian is about 2 degrees, when the rotary head transmission guide rod 200 provides a specified direction, the external driving shaft is moved to a specified angle by external equipment, the external driving shaft is rotated, and the rotary head transmission guide rod 200 can drill in a direction according to a predetermined curve.
Specifically, as shown in fig. 2 and 3, the second electrical conduction device 220 includes a conductive ring 221, the conductive ring 221 is disposed around the swivel transmission guide bar 200, the conductive ring 221 is electrically connected to the first electrical conduction device 120, and the conductive ring 221 is electrically connected to the signal line 210. In this embodiment of the present application, the through hole is formed in the guide sleeve 100, the turning transmission guide rod 200 is located in the through hole to rotate, and when the turning transmission guide rod 200 rotates, the set conductive ring 221 can always connect the first conductive device 120 to the second conductive device 220, so as to avoid interruption of signals and influence feedback effects of signals.
In this embodiment of the present application, the conductive ring 221 is set to be a metal ring body such as a copper ring and a silver ring, so that the signal transmitting device 110 can communicate through the metal ring body, and loss of communication can be greatly reduced, and in particular, the conductive ring 221 may be made of other materials capable of performing communication transmission.
Specifically, as shown in fig. 2 and 3, a first fixing groove 130 is formed on the guide sleeve 100 at a position corresponding to the first electrical conduction device 120, and the first electrical conduction device 120 includes a mounting sleeve 121, a first connecting member 122 and an elastic member 124: the mounting sleeve 121 is arranged in the first fixing groove 130, and a second fixing groove 1211 is formed in the mounting sleeve 121; the first connecting piece 122 is arranged in the second fixing groove 1211, and the first connecting piece 122 is abutted with the conductive ring 221; the elastic member 124 abuts against the mounting sleeve 121, so that the first connecting member 122 elastically abuts against the conductive ring 221.
In this embodiment, in the drilling process of the drill rod, because the guiding effect of the guiding sleeve 100, the axial direction of the guiding sleeve 100 is not the same as the axial direction of the turning transmission guide rod 200, a certain extrusion effect is generated on the mounting sleeve 121 to a certain extent, the mounting sleeve 121 can generate an inclination effect in the first fixing groove 130, through the effect of the elastic piece 124, when the mounting sleeve 121 is inclined in the first fixing groove 130, the elastic piece 124 can provide an inclination space for the mounting sleeve 121, the first connecting piece 122 on the mounting sleeve 121 is prevented from being always abutted with the conductive ring 221, meanwhile, the first connecting piece 122 is prevented from being damaged by the abutting ring in the inclination process, and the loss of the first connecting piece 122 is increased.
In this embodiment, the first electrical conduction device 120 further includes an abutting part 123, the abutting part 123 abuts on the elastic part 124, the first connecting part 122 is set to be a carbon brush, the connection time can be increased through the action of the carbon brush, the abrasion is reduced, the elastic part 124 is set to be a spring, the abutting part 123 is an annular block, and the annular block is sleeved on the installation sleeve 121 for abutting the spring.
The guide bushing 100 further includes a mounting member for mounting the mounting sleeve 121 in the first fixing groove 130, placing a spring between the mounting sleeve 121 and the abutment member 123 when the mounting sleeve 121 is mounted in the first fixing groove 130, and finally fixing by the mounting member, when the guide bushing 100 is inclined, since the abutment member 123 is restricted by the mounting member, the elastic member 124 is pressed by the mounting sleeve 121 for stably connecting the first connection member 122 with the conductive ring 221, preventing the first connection member 122 or the conductive ring 221 from being damaged due to excessive pressure between the first connection member 122 and the conductive ring 221.
Specifically, as shown in fig. 2 and 3, the guide sleeve 100 is further provided with a third fixing groove 140 and a through groove 150, the signal transmitting device 110 is disposed in the third fixing groove 140, the through groove 150 is communicated with the first fixing groove 130 and the third fixing groove 140, a second connecting piece 1212 is disposed on the mounting sleeve 121 corresponding to the position of the through groove 150, one end of the second connecting piece 1212 is connected with the first connecting piece 122, and the other end of the second connecting piece 1212 is connected with the signal transmitting device 110 through the through groove 150. In this embodiment, since the guide sleeve 100 changes the angle during the operation, the installation sleeve 121 moves back and forth in the first fixing slot 130, and the second connector 1212 is provided to connect the first connector 122 and the signal transmitting device 110 conveniently.
Specifically, as shown in fig. 2 and 3, a third connecting piece 151 is disposed in the through groove 150, an abutment block 1511 is disposed on the third connecting piece 151, the abutment block 1511 is located between the second connecting piece 1212 and the third connecting piece 151, and the second connecting piece 1212 is slidably connected to the abutment block 1511. In this embodiment, the abutment block 1511 is disposed at the notch of the through slot 150 near the first fixing slot 130, and through the connection relationship between the abutment block 1511 and the second connector 1212, a signal can be conveniently transmitted from the signal transmitting device 110 to the first electrical conduction device 120 through the through slot 150, so as to avoid certain interference and interruption caused by the adjustment of the angle of the guide sleeve 100.
Specifically, as shown in fig. 2, a spacer 141 and a damper 142 are disposed in the third fixing groove 140, the signal transmitting device 110 is located between the spacer 141 and the damper 142, and two ends of the spacer 141 and the damper 142 are respectively abutted against the groove wall of the third fixing groove 140. In this embodiment, the pad 141 and the damping device 142 can assist the stability of the signal transmitting device 110 during the movement of the drill rod, and prevent jolting and damage.
Specifically, as shown in fig. 2-4, a sealing component 160 is disposed on the inner wall of the guide shaft sleeve 100, a first annular groove 230 is disposed on the rotary head transmission guide rod 200 corresponding to the sealing component 160, the sealing component 160 is embedded in the first annular groove 230, and two ends of the sealing component 160 are abutted against the groove wall of the first annular groove 230; the seal assembly 160 is rotatably coupled to the swivel drive guide bar 200. In this embodiment, since the rotor transmission guide rod 200 rotates relative to the guide shaft sleeve 100, and on the rotor transmission guide rod 200, the second electrical conduction device 220 needs to be connected with the first electrical conduction device 120 at any time, the rotor transmission guide rod 200 is sealed by the sealing assembly 160, so as to prevent the first electrical conduction device 120 and the second electrical conduction device 220 on the rotor transmission guide rod 200 from being separated.
In this embodiment of the present application, the seal assembly 160 includes a collar 161, a bearing 162 and a fixing ring 163, where the collar 161 is disposed between the bearing 162 and the fixing ring 163, the inner side of the bearing 162 abuts against the rotor transmission guide rod 200, the outer side of the bearing 162 abuts against the guide sleeve 100, and the guide sleeve 100 and the rotor transmission guide rod 200 are relatively rotated by the inner and outer rotation of the bearing 162, so that the rotor transmission guide rod 200 is conveniently operated.
Specifically, as shown in fig. 2 and 5, the double-layer casing drill pipe further includes a docking assembly 300, the docking assembly 300 is disposed at one end of the swivel transmission guide rod 200, and the docking assembly 300 is connected to the signal line 210; the docking assembly 300 comprises a docking male head 320 and a docking female head 310, the docking male head 320 is connected with the signal line 210, the docking male head 320 is docked with the docking female head 310 to enable the signal line 210 to be connected with an external connection line, the docking female head 310 is provided with a first sleeve 311 and a second sleeve 312, the first sleeve 311 is located in the second sleeve 312, the docking male head 320 is provided with a first protruding head 321 and a second protruding head 322, the first protruding head 321 is located on the second protruding head 322, and when the docking male head 320 is connected with the docking female head 310, the first sleeve 311 is sleeved outside the first protruding head 321, and the second sleeve 312 is sleeved outside the second protruding head 322. In this embodiment of the present application, the docking assembly 300 is provided with the docking female connector 310 and the docking male connector 320, which can connect the signal line 210 with external equipment, so that the signal transmitting device 110 can directly transmit signals through the signal line 210, and avoid the influence of the soil layer on the shielding effect of the signals.
By the arrangement of the first raised head 321, the second raised head 322, the first sleeve 311 and the second sleeve 312, the connection between the butt joint female head 310 and the butt joint male head 320 can be reinforced, and the separation of the butt joint male head 320 and the butt joint female head 310 is avoided.
Specifically, as shown in fig. 5, a fixing member 3211 is disposed on the first protruding head 321, a fixing ring 3221 is disposed in the first sleeve 311 corresponding to the fixing member 3211, or a fixing ring 3221 is disposed on the first protruding head 321, and a fixing member 3211 is disposed in the first sleeve 311 corresponding to the fixing ring 3221; the securing member 3211 is located in a securing ring 3221. In this embodiment, the fixing piece 3211 is disposed on the first protruding head 321, the fixing ring 3221 is disposed in the first sleeve 311, and the female docking head 310 and the male docking head 320 can be correspondingly connected together through the connection relationship between the fixing piece 3211 and the fixing ring 3221, so as to prevent the female docking head 310 and the male docking head 320 from being separated.
Specifically, as shown in fig. 1, the double-casing drill pipe further includes a pilot bit 400, and the pilot bit 400 is mounted on the end of the swivel drive guide 200 remote from the docking assembly 300.
In the description and claims of this application, the words "comprise/comprising" and the words "have/include" and variations thereof are used to specify the presence of stated features, values, steps, or components, but do not preclude the presence or addition of one or more other features, values, steps, components, or groups thereof.
Some features of the present application, which are, for clarity of illustration, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, some features of the application are, for brevity, described in the context of a single embodiment, these features may also be provided separately or in any suitable combination in different embodiments.
The foregoing description of the preferred embodiment of the present invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. A double casing drill pipe, comprising:
the device comprises a guide shaft sleeve, wherein a signal transmitting device and a first electric conduction device are arranged on the guide shaft sleeve, and the first electric conduction device is connected with the signal transmitting device;
the rotary head transmission guide rod is rotationally assembled in the guide shaft sleeve, a signal wire is arranged in the rotary head transmission guide rod, a second electric conduction device is arranged outside the rotary head transmission guide rod, the signal wire is connected with the second electric conduction device, the second electric conduction device is annularly arranged at the periphery of the rotary head transmission guide rod, and the second electric conduction device is electrically connected with the first electric conduction device so that the signal transmitting device transmits signals through the signal wire.
2. The double-casing drill pipe of claim 1, wherein the second electrical conduction device comprises a conductive ring looped around the swivel drive guide rod, the conductive ring being in electrical connection with the first electrical conduction device, the conductive ring being electrically connected to the signal line.
3. The double-sleeve drill pipe of claim 2, wherein a first fixing groove is formed in the guide sleeve at a position corresponding to the first electrical conduction device, and the first electrical conduction device comprises:
the mounting sleeve is arranged in the first fixing groove, and a second fixing groove is formed in the mounting sleeve;
the first connecting piece is arranged in the second fixing groove and is abutted with the conducting ring;
the elastic piece is abutted to the mounting sleeve, so that the first connecting piece is elastically abutted to the conductive ring.
4. The double-sleeve drill pipe according to claim 3, wherein a third fixing groove and a through groove are further formed in the guide shaft sleeve, the signal transmitting device is arranged in the third fixing groove, the through groove is communicated with the first fixing groove and the third fixing groove, a second connecting piece is arranged at a position, corresponding to the through groove, on the mounting sleeve, one end of the second connecting piece is connected with the first connecting piece, and the other end of the second connecting piece is connected with the signal transmitting device through the through groove.
5. The double-sleeve drill pipe of claim 4, wherein a third connecting piece is arranged in the through groove, an abutting block is arranged on the third connecting piece, the abutting block is located between the second connecting piece and the third connecting piece, and the second connecting piece is connected with the abutting block in a sliding mode.
6. The double-sleeve drill pipe of claim 5, wherein a gasket and a damping device are arranged in the third fixing groove, the signal transmitting device is arranged between the gasket and the damping device, and two ends of the gasket and the damping device are respectively abutted against the groove wall of the third fixing groove.
7. The double-sleeve drill pipe according to claim 1, wherein a sealing component is arranged on the inner wall of the guide shaft sleeve, a first annular groove is annularly arranged on the rotary head transmission guide rod corresponding to the sealing component, the sealing component is embedded in the first annular groove, and two ends of the sealing component are abutted against the groove wall of the first annular groove;
the sealing component is rotatably connected with the swivel transmission guide rod.
8. The double-casing drill pipe of claim 1, further comprising a docking assembly disposed at one end of the swivel drive guide rod, the docking assembly being connected to the signal line;
the butt joint assembly comprises a butt joint male head and a butt joint female head, the butt joint male head is connected with the signal wire, the butt joint male head is in butt joint with the butt joint female head so that the signal wire is connected with an external connection wire, the butt joint female head is provided with a first sleeve and a second sleeve, the first sleeve is located in the second sleeve, the butt joint male head is provided with a first protruding head and a second protruding head, the first protruding head is located on the second protruding head, and when the butt joint male head is connected with the butt joint female head, the first sleeve is sleeved outside the first protruding head, and the second sleeve is sleeved outside the second protruding head.
9. The double-sleeve drill pipe according to claim 8, wherein the first raised head is provided with a fixing member, and the first sleeve is provided with a fixing ring at a position corresponding to the fixing member, or
The first raised head is provided with a fixed ring, and a fixed piece is arranged in the first sleeve corresponding to the fixed ring;
the fixing piece is positioned in the fixing ring.
10. The double-casing drill pipe of claim 8, wherein the double-casing drill pipe further comprises:
and the pilot bit is assembled on one end of the swivel transmission guide rod, which is far away from the butt joint assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311579270.8A CN117468869A (en) | 2023-11-24 | 2023-11-24 | Double-layer casing drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311579270.8A CN117468869A (en) | 2023-11-24 | 2023-11-24 | Double-layer casing drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117468869A true CN117468869A (en) | 2024-01-30 |
Family
ID=89639687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311579270.8A Pending CN117468869A (en) | 2023-11-24 | 2023-11-24 | Double-layer casing drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117468869A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019200821A1 (en) * | 2018-04-18 | 2019-10-24 | 中国矿业大学 | Temperature measuring-while-drilling apparatus for detecting autoignition temperature of coal |
| CN216197908U (en) * | 2021-11-11 | 2022-04-05 | 深圳市钻通工程机械股份有限公司 | Rotary connector of drilling machine |
| CN216767374U (en) * | 2022-03-09 | 2022-06-17 | 北京合康科技发展有限责任公司 | Coal mine underground small-diameter measurement-while-drilling track probe |
| FR3122716A3 (en) * | 2021-05-07 | 2022-11-11 | Zhejiang Yihua Refrigeration Equipment Co., Ltd. | Quick connector |
-
2023
- 2023-11-24 CN CN202311579270.8A patent/CN117468869A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019200821A1 (en) * | 2018-04-18 | 2019-10-24 | 中国矿业大学 | Temperature measuring-while-drilling apparatus for detecting autoignition temperature of coal |
| FR3122716A3 (en) * | 2021-05-07 | 2022-11-11 | Zhejiang Yihua Refrigeration Equipment Co., Ltd. | Quick connector |
| CN216197908U (en) * | 2021-11-11 | 2022-04-05 | 深圳市钻通工程机械股份有限公司 | Rotary connector of drilling machine |
| CN216767374U (en) * | 2022-03-09 | 2022-06-17 | 北京合康科技发展有限责任公司 | Coal mine underground small-diameter measurement-while-drilling track probe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106014391B (en) | Near-bit measurement while drilling system | |
| US20090166087A1 (en) | Communication connections for wired drill pipe joints for providing multiple communication paths | |
| JP5384109B2 (en) | Surface communication device and method used for excavation string telemetry | |
| US4220381A (en) | Drill pipe telemetering system with electrodes exposed to mud | |
| US7098802B2 (en) | Signal connection for a downhole tool string | |
| US7277026B2 (en) | Downhole component with multiple transmission elements | |
| US7857644B2 (en) | Wired drill pipe having conductive end connections | |
| CN112392410B (en) | Flexible electric connection drill column | |
| CN106639898B (en) | It is a kind of to cross line helicoid hydraulic motor | |
| CA2916616C (en) | Telemetry antenna arrangement | |
| CA2621496A1 (en) | Method and apparatus for transmitting sensor response data and power through a mud motor | |
| WO2020011111A1 (en) | Rotary steerable drilling system which is low cost, has high build-up rate and has high mechanical drilling speed | |
| CN117468869A (en) | Double-layer casing drill rod | |
| CN112523700B (en) | Wire passing universal shaft assembly and wire passing method | |
| AU2012391485B2 (en) | Multiple channel rotary electrical connector | |
| CN112523679B (en) | Wire passing transmission shaft assembly and wire passing method | |
| CN112065291A (en) | Conductive drill rod | |
| CN112523680B (en) | Motor rotor axial vibration compensation mechanism and central wire passing method | |
| US10844668B2 (en) | Self-aligning wet connection capable of orienting downhole tools | |
| CN112523682B (en) | Thread-passing screw drill and thread-passing method | |
| CN117145463A (en) | Rotary guiding measurement system with high build-up rate and high mechanical drilling speed | |
| CN117967210A (en) | Flexible connecting device and measurement while drilling device | |
| CN114233194A (en) | Coal mine underground split type hydraulic deflecting drilling tool combination and drilling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |