Downhole vibration and impact data recording method

GIBJ18AU19414-47D1 Disclosed is a downhole vibration and impact data recording method, comprising: performing analog-to-digital conversion on analog data, outputting digital format data obtained at a sampling rate fi, and performing sampling storage processing and analysis storage processing on the same. The sampling storage processing includes outputting the digital format data obtained at a sampling rate fn through multiple samplings; storing the same continuously into a storage module. The analysis storage processing includes: buffering the digital format data obtained at the sampling rate fi into a memory; analyzing the same to determine whether an impact event occurs, and if yes, storing the current data in the memory into the storage module, and then jumping back to the buffering step; otherwise, jumping directly back to the buffering step. With the above method, the amount of data storage can be effectively reduced, while the characteristics of the vibration and impact data can be ...

DATA UPGRADE METHOD AND SYSTEM

Hybrid rotary guiding device

A hybrid rotary guiding device, includes: rotating shaft, the rotating shaft is used to drive the head of a drill tool to rotate, the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, a separation distance exists between the upper shaft portion and the lower shaft portion in the axial direction, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion; the upper shaft portion is installed with at least three first hydraulic mechanisms, and the lower shaft portion is installed with at least three second hydraulic mechanisms, the second hydraulic mechanism is adapted to drive a pushing member against the wall of the well to guide the head of a drill tool, the first hydraulic mechanism and the second hydraulic mechanism are configured so that the first hydraulic mechanism can drive the second hydraulic mechanism to drive the pushing member. The present invention combines the advantages of directional ...

DATA UPGRADE METHOD AND SYSTEM

ABS TRACT The present invention provides a data upgrade method and system, and the method includes the following steps of: when data upgrade is to be carried out on circuit modules, receiving a mode switching instruction broadcasted by a control terminal; each of the circuit modules having a different identification number; receiving an upgrade data packet which is sent by the control terminal based on a chunked transfer strategy according to a preset receiving sequence; when a current circuit module receives the upgrade data packet, judging whether the upgrade data packet is an upgrade data packet for the current circuit module or not according to an identification number of a target circuit module carried by the upgrade data packe; and when the target circuit module receives the upgrade data packet, carrying out data upgrade using the upgrade data packet. Date Recue/Date Received 2020-05-15 ...

Downhole tool, signal transmission system and signal transmission method

Disclosed are a downhole tool, a signal transmission system and a signal transmission method. The downhole tool comprises a downhole tool body, a circuit compartment and a first signal transmission module. The circuit compartment is 5 arranged in the downhole tool body, and a plurality of circuit modules are mounted in the circuit compartment. The first signal transmission module is arranged at the downhole tool body, the circuit modules are electrically connected to the first signal transmission module, the first signal transmission module is used for being in communication connection with a second signal transmission module, and the second 10 signal transmission module is adaptive to the first signal transmission module. At least one circuit module comprises a first carrier communication control unit, through which the circuit module can receive or send communication signals. The downhole tool can ensure airtightness in a severe downhole environment to protect the circuit modules from invasion, and establishes a connection with the outside quickly by 15 means of an inductively coupled power transfer technology and a carrier communication technology to perform operations such as program configuration upgrading and data uploading on the circuit modules.

AN ANTI-ROTATING DEVICE OF NON-ROTATING SLEEVE AND A ROTARY GUIDING DEVICE

The invention discloses an anti-rotating device of non-rotating sleeve. The anti-rotating device is connected with the non-rotating sleeve in such way so that the anti-rotating device can transmit circumferential acting force to the non-rotating sleeve, thus the non-rotating sleeve are prevented from rotating, the anti-rotating device comprises an anti-rotating member and a resilient member, the anti-rotating member can move in a generally radial direction of the non-rotating sleeve, and the resilient member acts on the anti-rotating member and provides acting force being substantially radially outward for the anti-rotating member. According to the anti-rotating device of the non-rotating sleeve and a rotary guiding device, on the one hand, bases can be provided for accurate attitude measurement and guiding control, on the other hand, excessively rapid rotation of the two non-rotating sleeve can be prevented only by using one anti-rotating device, and meanwhile the anti-rotating device can further provide guiding driving force based on the minimum structure size. 18.-. (canceled)9. An anti-rotating device of non-rotating sleeve , the anti-rotating device is connected with the non-rotating sleeve in such way so that the anti-rotating device can transmit circumferential acting force to the non-rotating sleeve , thus the non-rotating sleeve are prevented from rotating , wherein the anti-rotating device comprises an anti-rotating member and a resilient member , the anti-rotating member can move in a generally radial direction of the non-rotating sleeve , and the resilient member acts on the anti-rotating member and provides acting force being substantially radially outward for the anti-rotating member; the anti-rotating device further comprises a third mounting pin , the body coupled to the non-rotating sleeve by the third mounting pin; the anti-rotating device further comprises a radial driving device and an extension disposed on the body , the radial driving device is ...

A ROTARY GUIDING DEVICE BASED ON RADIAL DRIVING FORCE

A rotary guiding device based on radial driving force, comprising: a rotating shaft, the rotating shaft is used to drive a tool head to rotate, the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion;a non-rotating body mounted on the upper shaft portion, the non-rotating body is substantially non-rotating with respect to the rotating shaft in the circumferential direction when the rotating shaft rotationally drives the tool head, the lower shaft portion includes a rib portion that coincides at least partially in the axial direction with the non-rotating body, the non-rotating body includes at least three hydraulic driving mechanisms uniformly distributed along its circumferential direction, the three hydraulic driving mechanisms are adapted to controllably generate radial drive forces respectively, the radial driving forces acts on the rib portion that is overlapped with the non-rotating body so that the lower shaft portion can be deflectable relative to the steerable portion. 1. A rotary guiding device based on radial driving force , wherein comprising:a rotating shaft, the rotating shaft is used to drive a tool head to rotate, the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, a separation distance exists between the upper shaft portion and the lower shaft portion in the axial direction, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion;a non-rotating body mounted on the upper shaft portion, the non-rotating body is substantially non-rotating with respect to the rotating shaft in the circumferential direction when the rotating shaft rotationally drives the tool head, the lower shaft portion includes a rib portion that coincides at least partially in the axial direction with the non-rotating body, the non-rotating body ...

DOWNHOLE VIBRATION AND IMPACT DATA RECORDING METHOD

Disclosed is a downhole vibration and impact data recording method, comprising: performing analog-to-digital conversion on analog data, outputting digital format data obtained at a sampling rate f, and performing sampling storage processing and analysis storage processing on the same. The sampling storage processing includes outputting the digital format data obtained at a sampling rate fn through multiple samplings; storing the same continuously into a storage module. The analysis storage processing includes: buffering the digital format data obtained at the sampling rate finto a memory; analyzing the same to determine whether an impact event occurs, and if yes, storing the current data in the memory into the storage module, and then jumping back to the buffering step; otherwise, jumping directly back to the buffering step. With the above method, the amount of data storage can be effectively reduced, while the characteristics of the vibration and impact data can be analyzed. 1. A vibration and impact data recording method , comprising:{'b': 1', '1', '1', '1, 'step S, performing an analog-to-digital conversion on analog data output from a sensor at a sampling rate f, outputting digital format data obtained at the sampling rate f, and performing a sampling storage processing and an analysis storage processing on the digital format data obtained at the sampling rate f;'}and wherein the sampling storage processing comprises:{'b': 2', '1', '2, 'step S, sampling the digital format data obtained at the sampling rate f and outputting the digital format data obtained at a sampling rate f;'}{'b': 3', '2', '3, 'step S, sampling the digital format data obtained at the sampling rate f and outputting the digital format data obtained at a sampling rate f; and repeating a step of the sampling and outputting the digital format data obtained at a sampling rate fn;'}{'b': '4', 'step S, storing the digital format data obtained at the sampling rate fn continuously into a storage module ...

A ROTARY GUIDING DEVICE

A rotary guiding device comprises a rotating shaft, the rotating shaft is used to drive a tool head to rotate, and the rotating shaft includes at least one steerable portion; a first non-rotating body and a second non-rotating body, the first non-rotating body and the second non-rotating body are substantially in a non-rotating state in a circumferential direction thereof relative to the rotating shaft when the rotating shaft drives the tool head to rotate; a guide driving mechanism, the guide driving mechanism is configured to connect the first non-rotating body and the second non-rotating body, the guide driving mechanism is adapted to generate a substantially axial driving force to change the relative direction between the first non-rotating body and the second non-rotating body, thereby changing the orientation of the tool head. 1. A rotary guiding device , wherein comprising:a rotating shaft, the rotating shaft is used to drive a tool head to rotate, and the rotating shaft includes at least one steerable portion;a first non-rotating body and a second non-rotating body, the first non-rotating body and the second non-rotating body are substantially in a non-rotating state in a circumferential direction thereof relative to the rotating shaft when the rotating shaft drives the tool head to rotate;a guide driving mechanism, the guide driving mechanism is configured to connect the first non-rotating body and the second non-rotating body, the guide driving mechanism is adapted to generate a substantially axial driving force to change the relative direction between the first non-rotating body and the second non-rotating body, thereby changing the orientation of the tool head.2. The rotary guiding device of claim 1 , wherein the steerable portion includes a universal transmission member or a flexible shaft.3. The rotary guiding device of claim 1 , wherein the guide driving mechanism includes at least three hydraulic drive mechanisms which are evenly distributed in the ...

Preparation method of aluminium nitride filled heat conducting epoxy resin

The invention discloses a preparation method of aluminium nitride filled heat conducting epoxy resin. The aluminium nitride filled heat conducting epoxy resin is prepared form the following raw materials in parts by mass: 20-60 parts ofaluminium nitride, 0.1-0.6 part of stearic acid, 40-80 parts of epoxy resin, 10-30 parts of an aromatic amine curing agent, 100-300 parts of an epoxy resin-propylene glycol monomethyl ether solution and 5-10 parts of a boron trifluoride diethyl etherate solution with mass concentration of 2%. Aluminium nitride is sequentially subjected to hydroxylation, epoxy functionalization and the like to obtain the aluminium nitride filled heat conducting epoxy resin. Through carrying out epoxy functionalization on the surface of aluminium nitride, aluminium nitride is prevented from being hydrolyzed and oxidized on one hand and on the other hand, aluminium nitride can be favorably dispersed in an epoxy resin substrate uniformly without use of a coupling agent. The heat ...

Anti-rotating device of non-rotating sleeve and a rotary guiding device

The invention discloses an anti-rotating device of non-rotating sleeve. The anti-rotating device is connected with the non-rotating sleeve in such way so that the anti-rotating device can transmit circumferential acting force to the non-rotating sleeve, thus the non-rotating sleeve are prevented from rotating, the anti-rotating device comprises an anti-rotating member and a resilient member, the anti-rotating member can move in a generally radial direction of the non-rotating sleeve, and the resilient member acts on the anti-rotating member and provides acting force being substantially radially outward for the anti-rotating member. According to the anti-rotating device of the non-rotating sleeve and a rotary guiding device, on the one hand, bases can be provided for accurate attitude measurement and guiding control, on the other hand, excessively rapid rotation of the two non-rotating sleeve can be prevented only by using one anti-rotating device, and meanwhile the anti-rotating device ...

Downhole vibration and impact data recording method

Disclosed is a downhole vibration and impact data recording method, comprising: performing analog-to-digital conversion on analog data, outputting digital format data obtained at a sampling rate f1, and performing sampling storage processing and analysis storage processing on the same. The sampling storage processing includes outputting the digital format data obtained at a sampling rate fn through multiple samplings; storing the same continuously into a storage module. The analysis storage processing includes: buffering the digital format data obtained at the sampling rate f1 into a memory; analyzing the same to determine whether an impact event occurs, and if yes, storing the current data in the memory into the storage module, and then jumping back to the buffering step; otherwise, jumping directly back to the buffering step. With the above method, the amount of data storage can be effectively reduced, while the characteristics of the vibration and impact data can be analyzed.

A HYBRID ROTARY GUIDING DEVICE

A hybrid rotary guiding device, includes: rotating shaft, the rotating shaft is used to drive the head of a drill tool to rotate, the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, a separation distance exists between the upper shaft portion and the lower shaft portion in the axial direction, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion; the upper shaft portion is installed with at least three first hydraulic mechanisms, and the lower shaft portion is installed with at least three second hydraulic mechanisms, the second hydraulic mechanism is adapted to drive a pushing member against the wall of the well to guide the head of a drill tool, the first hydraulic mechanism and the second hydraulic mechanism are configured so that the first hydraulic mechanism can drive the second hydraulic mechanism to drive the pushing member. The present invention combines the advantages of directional and push-oriented guidance, the influence of formation properties on the build-up slope is largely eliminated, a higher build rate can be provided, and the demand for energy consumption is greatly reduced. 1. A hybrid rotary guiding device , wherein comprising:rotating shaft, the rotating shaft is used to drive a tool head to rotate, the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, a separation distance exists between the upper shaft portion and the lower shaft portion in the axial direction, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion;the upper shaft portion is installed with at least three first hydraulic mechanisms, and the lower shaft portion is installed with at least three second hydraulic mechanisms, the second hydraulic mechanism is adapted to drive a pushing member against the wall of the well to guide the tool head, the first hydraulic mechanism and the second ...

Rotary guiding device based on radial driving force

A rotary guiding device includes a rotating shaft to rotationally drive a tool head. The rotating shaft includes upper and lower shaft portions, and a steerable portion, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion. A non-rotating body is mounted on the upper shaft portion, the non-rotating body is substantially non-rotating with respect to the rotating shaft in circumferential direction when the rotating shaft rotationally drives the tool head. The lower shaft portion includes a rib portion coinciding at least partially in axial direction with the non-rotating body. The non-rotating body includes at least three hydraulic driving mechanisms uniformly distributed along its circumferential direction, the three hydraulic driving mechanisms controllably generate radial drive forces respectively, the radial driving forces act on the rib portion overlapping the non-rotating body so the lower shaft portion can be deflectable relative to the ...

Rotary steering drilling apparatus

Disclosed is a rotary steering drilling apparatus. The rotary steering drilling apparatus includes a plurality of cylinders that are fixedly connected in series, wherein at least a part of adjacent cylinders are in power connection via a power connection unit; the power connection unit includes a first electrical connecting assembly and a second electrical connecting assembly, the cylinder in power connection is provided with a first electrical connecting assembly at one end and a second electrical connecting assembly at the other end, the adjacent cylinders are in power connection via the first electrical connecting assembly and the second electrical connecting assembly, and the first electrical connecting assembly and the second electrical connecting assembly on the same cylinder are in power connection; the first electrical connecting assembly includes a first electrical connecting ring which is arranged annularly, and the first electrical connecting ring includes a plurality of first conducting regions and first insulating regions which are distributed circumferentially and are spaced apart; and the second electrical connecting assembly includes a second electrical connecting ring which is arranged annularly, and the second electrical connecting ring includes a plurality of second conducting regions and second insulating regions which are spaced apart. The rotary steering drilling apparatus according to the present application can achieve multi-path power connection between adjacent cylinders and has the advantages of being convenient to mount, high in conductivity reliability and the like.

Hybrid rotary guiding device

A hybrid rotary guiding device,includes:rotating shaft,the rotating shaft is used to drive the head of a drill tool to rotate,the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, a separation distance exists between the upper shaft portion and the lower shaft portion in the axial direction,the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion;the upper shaft portion is installed with at least three first hydraulic mechanisms, and the lower shaft portion is installed with at least three second hydraulic mechanisms,the second hydraulic mechanism is adapted to drive a pushing member against the wall of the well to guide the head of a drill tool,the first hydraulic mechanism and the second hydraulic mechanism are configured so that the first hydraulic mechanism can drive the second hydraulic mechanism to drive the pushing member.The present invention combines the advantages of directional and push-oriented guidance,the influence of formation properties on the build-up slope is largely eliminated, a higher build rate can be provided,and the demand for energy consumption is greatly reduced.

Rotary guide device

Rotary steering device based on radial driving force

Rotary guide device

A rotary guiding device comprises a rotating shaft, the rotating shaft is used to drive a tool head to rotate, and the rotating shaft includes at least one steerable portion; a first non-rotating body and a second non-rotating body, the first non-rotating body and the second non-rotating body are substantially in a non-rotating state in a circumferential direction thereof relative to the rotating shaft when the rotating shaft drives the tool head to rotate; a guide driving mechanism, the guide driving mechanism is configured to connect the first non-rotating body and the second non-rotating body, the guide driving mechanism is adapted to generate a substantially axial driving force to change the relative direction between the first non-rotating body and the second non-rotating body, thereby changing the orientation of the tool head.

Rotary steering drilling apparatus

Disclosed is a rotary steering drilling apparatus. The rotary steering drilling apparatus includes a plurality of cylinders that are fixedly connected in series, wherein at least a part of adjacent cylinders are in power connection via a power connection unit; the power connection unit includes a first electrical connecting assembly and a second electrical connecting assembly, the cylinder in power connection is provided with a first electrical connecting assembly at one end and a second electrical connecting assembly at the other end, the adjacent cylinders are in power connection via the first electrical connecting assembly and the second electrical connecting assembly, and the first electrical connecting assembly and the second electrical connecting assembly on the same cylinder are in power connection; the first electrical connecting assembly includes a first electrical connecting ring which is arranged annularly, and the first electrical connecting ring includes a plurality of first conducting regions and first insulating regions which are distributed circumferentially and are spaced apart; and the second electrical connecting assembly includes a second electrical connecting ring which is arranged annularly, and the second electrical connecting ring includes a plurality of second conducting regions and second insulating regions which are spaced apart. The rotary steering drilling apparatus according to the present application can achieve multi-path power connection between adjacent cylinders and has the advantages of being convenient to mount, high in conductivity reliability and the like.

Signal processing circuit, contactless connector, signal processing method and storage medium

Disclosed is a signal processing circuit, a contactless connector, a signal processing method and a storage medium. One end of a cable of the signal processing circuit can be connected to a device and the other end of the cable of the signal processing circuit is connected to a port processing unit for receiving a signal transmitted by the device and/or transmitting a signal to the device; one end of the port processing unit is connected to the cable, and the other end of the port processing unit is connected to a signal processing unit for acquiring a data communication transmission mode of a port of the device connected to a connector, and performing interface configuration on the cable according to the data communication transmission mode; and the signal processing unit is connected to the main coil or the secondary coil, and is configured to, if receiving the signal transmitted by the device, transmit the signal to the main coil and/or the secondary coil, and/or is configured to, if receiving the signal transmitted by the main coil and/or the secondary coil, transmit the signal to the device according to the data communication transmission mode. According to the present application, the contactless connector adapts to different transmission protocols of the device port while remote wireless signal transmission is realized.

Contactless connector, signal processing method and storage medium

Disclosed is a contactless connector, a signal processing method and a storage medium. The contactless connector can be in communication connection to a plug matched with the contactless connector. The plug is provided with a second magnetic core and a second coil, and the second coil is spirally arranged at the periphery of the second magnetic core and forms a secondary coil with the second magnetic core. The contactless connector includes: at least two plug interfaces, each of the plug interfaces including a first magnetic core; and a first coil, spirally arranged at an inner periphery of the first magnetic core of each of the plug interfaces and forming a main coil with the first magnetic core. When the contactless connector and a plurality of plugs are connected through at least two plug interfaces, the main coil and the secondary coil are electromagnetically coupled to realize communication connection between the contactless connector and the plurality of plugs. According to the present application, it can be achieved that the wiring difficulty between devices may be reduced while the service life of the connector is ensured.

Signal processing circuit, contactless connector, signal processing method and storage medium

Disclosed is a signal processing circuit, a contactless connector, a signal processing method and a storage medium. One end of a cable of the signal processing circuit can be connected to a device and the other end of the cable of the signal processing circuit is connected to a port processing unit for receiving a signal transmitted by the device and/or transmitting a signal to the device; one end of the port processing unit is connected to the cable, and the other end of the port processing unit is connected to a signal processing unit for acquiring a data communication transmission mode of a port of the device connected to a connector, and performing interface configuration on the cable according to the data communication transmission mode; and the signal processing unit is connected to the main coil or the secondary coil, and is configured to, if receiving the signal transmitted by the device, transmit the signal to the main coil and/or the secondary coil, and/or is configured to, if receiving the signal transmitted by the main coil and/or the secondary coil, transmit the signal to the device according to the data communication transmission mode. According to the present application, the contactless connector adapts to different transmission protocols of the device port while remote wireless signal transmission is realized.

Contactless connector, signal processing method and storage medium

Disclosed is a contactless connector, a signal processing method and a storage medium. The contactless connector can be in communication connection to a plug matched with the contactless connector. The plug is provided with a second magnetic core and a second coil, and the second coil is spirally arranged at the periphery of the second magnetic core and forms a secondary coil with the second magnetic core. The contactless connector includes: at least two plug interfaces, each of the plug interfaces including a first magnetic core; and a first coil, spirally arranged at an inner periphery of the first magnetic core of each of the plug interfaces and forming a main coil with the first magnetic core. When the contactless connector and a plurality of plugs are connected through at least two plug interfaces, the main coil and the secondary coil are electromagnetically coupled to realize communication connection between the contactless connector and the plurality of plugs. According to the present application, it can be achieved that the wiring difficulty between devices may be reduced while the service life of the connector is ensured.