Patents by Inventor Yuntao SUN
Yuntao SUN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10746756Abstract: The disclosure relates to the field of drilling tool attitude measurement, and particularly to a dynamic testing device suitable for a drilling tool attitude measurement module. The dynamic testing device may comprise a test fixture for attitude measurement module, an azimuth rotation device for adjusting an azimuth angle, an inclination angle swing device for adjusting an inclination angle, and a toolface angle rotation device for driving the test fixture for attitude measurement module to rotate, and a rotation speed measurement device for measuring a rotation speed and a self-rotation angle of the test fixture for attitude measurement module in a rotating state. The testing device has characteristics of large bearing weight, high rotation speed which is measurable and controllable, convenient for mounting and fixing a tested module, etc. It can simulate conditions of downhole rotation of a drilling tool, and be used for dynamic testing of the attitude measurement module.Type: GrantFiled: September 17, 2018Date of Patent: August 18, 2020Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCESInventors: Wenxiu Zhang, Yongyou Yang, Jian Zheng, Yuntao Sun, Qingyun Di, Wenxuan Chen, Changchun Yang
-
Patent number: 10662764Abstract: A near-bit constant-power wireless short-distance transmission apparatus includes a transmitting portion and a receiving portion. The transmitting portion is connected to a near-bit measurement sub while the receiving portion is connected to a measurement while drilling system. The transmitting portion processes data received by the bit measurement sub and then transmits it to the receiving portion. The receiving portion further processes the information and then transmits it to the measurement while drilling system. An insulating sub is inserted in the transmitting portion and separates the transmitting portion into a transmitting positive pole and a transmitting negative pole, which become electrically isolated from each other. Another insulating sub is inserted in the receiving portion and separates the receiving portion into a receiving positive pole and a receiving negative pole, which become electrically isolated from each other.Type: GrantFiled: August 31, 2017Date of Patent: May 26, 2020Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Yuntao Sun, Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Jian Zheng
-
Patent number: 10612372Abstract: An azimuthal acoustic LWD apparatus is sequentially provided with a centralizer, a transmitting circuit, transmitting transducers, an acoustic insulator, a receiving transducer array, ultrasonic transducers and a receiving circuit on a drill collar. The azimuthal acoustic LWD apparatus is capable of operating in a dipole mode or a unipole mode, to cover all the sectors around a wellbore by adopting a fixed time interval measurement mode or an alternating time interval measurement mode according to a relationship of an interval between measurement times and a rotation speed of the apparatus, thereby achieving azimuthal acoustic LWD. This apparatus overcomes problems that the fixed time interval measurement mode may not cover all the sectors and further may not achieve azimuthal acoustic imaging in a case where the rotation speed and the interval between measurement times are under certain conditions.Type: GrantFiled: August 15, 2019Date of Patent: April 7, 2020Assignee: Institute of Geology and Geophysics, Chinese Academy of SciencesInventors: Wenxiu Zhang, Qingyun Di, Wenxuan Chen, Jian Zheng, Yuntao Sun, Yongyou Yang
-
Publication number: 20200072044Abstract: An azimuthal acoustic LWD apparatus is sequentially provided with a centralizer, a transmitting circuit, transmitting transducers, an acoustic insulator, a receiving transducer array, ultrasonic transducers and a receiving circuit on a drill collar. The azimuthal acoustic LWD apparatus is capable of operating in a dipole mode or a unipole mode, to cover all the sectors around a wellbore by adopting a fixed time interval measurement mode or an alternating time interval measurement mode according to a relationship of an interval between measurement times and a rotation speed of the apparatus, thereby achieving azimuthal acoustic LWD. This apparatus overcomes problems that the fixed time interval measurement mode may not cover all the sectors and further may not achieve azimuthal acoustic imaging in a case where the rotation speed and the interval between measurement times are under certain conditions.Type: ApplicationFiled: August 15, 2019Publication date: March 5, 2020Inventors: Wenxiu ZHANG, Qingyun DI, Wenxuan CHEN, Jian ZHENG, Yuntao SUN, Yongyou YANG
-
Patent number: 10578754Abstract: In an apparatus for multi-pole acoustic logging while drilling, a N-cycle sinusoidal wave signal is generated by utilizing a signal processor, and amplified into a high-voltage sinusoidal excitation signal by utilizing a power amplifier, and output to a transmitting transducer. The signal processor simultaneously generates an enable signal. The enable signal includes a transient discharge enable signal. The power amplifier is connected with a transient discharge circuit. After the signal processor generates N cycles of a sinusoidal wave, the transient discharge enable signal enables the transient discharge circuit to discharge to release an energy storage current of a power transformer so as to eliminate a high-voltage ringing effect and improve an excitation efficiency of the transducer.Type: GrantFiled: November 16, 2018Date of Patent: March 3, 2020Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Yuntao Sun, Zili Wang, Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Qingyun Di, Jian Zheng
-
Patent number: 10440267Abstract: Digital logic circuitry includes a plurality of logic blocks and memories that execute a method to stitch images. The method includes capturing the images with a plurality of pixel sensors, providing blocks of intensity values captured by the pixel sensors to input/output (I/O) pins of the digital logic circuitry, processing the intensity values with the digital logic circuitry, and stitching the processed images into a stitched image.Type: GrantFiled: June 5, 2018Date of Patent: October 8, 2019Assignee: Tower Spring Global LimitedInventors: Eric Kwong Hang Tsang, Yuntao Sun
-
Patent number: 10428646Abstract: A apparatus for downhole near-bit wireless transmission includes a bit connecting housing, a mud motor connecting housing, an insulating sub made of an insulating material. The insulating sub is serially connected between the bit connecting housing and the mud motor connecting housing to electrical insulate the bit connecting housing and the mud motor connecting housing from each other. The bit connecting housing and the mud motor connecting housing respectively form an electromagnetic transmitting positive pole and an electromagnetic transmitting negative pole. The mechanical apparatus further includes measurement units, which are configured to acquire parameters measured near the bit and a data transmitting unit, which is configured to realize wireless transmission; and the data transmitting unit is configured to receive and transmit the parameters measured near the bit.Type: GrantFiled: August 31, 2017Date of Patent: October 1, 2019Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Jian Zheng, Wenxuan Chen, Qingyun Di, Yuntao Sun, Yongyou Yang, Wenxiu Zhang
-
Patent number: 10379238Abstract: The present disclosure relates to the technical field of acoustic logging while drilling, and provides an integral packaging device for acoustic receiving transducers while drilling, wherein, the receiving transducers are directly arranged in a signal processing circuit, which is installed in an internal supporting frame fitted in a rectangular bellow; one side of the bellow has a deformable surface that is of a corrugated structure, and oil is filled in the bellow; the receiving transducers are arranged on the side that has a deformable surface; a shock absorbing rubber piece is of a U-shaped structure; one end of a connecting unit is connected to the signal processing circuit, and the other end of the connecting unit is connected to a main control circuit in a logging while drilling instrument. The present disclosure employs an integral packaging structure, which is easy to install structurally.Type: GrantFiled: January 20, 2019Date of Patent: August 13, 2019Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Jian Zheng, Wenxuan Chen, Qingyun Di, Zili Wang, Yuntao Sun, Yongyou Yang, Wenxiu Zhang
-
Patent number: 10364670Abstract: An azimuthally acoustic imaging logging while drilling (LWD) apparatus employs two sets of transmitting transducers to excite multipole mode waves. One set is high-frequency monopole and polarized pole transmitting transducers, and the other set is low-frequency dipole and quadrupole transmitting transducers. Separation of a high-frequency transmitting state from a low-frequency transmitting state is realized by using a dual-row transmission solution. Each set of transmitting transducers operates at transducer resonance points through a matching circuit, thereby greatly increasing the transmitted energy.Type: GrantFiled: September 6, 2018Date of Patent: July 30, 2019Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Jian Zheng, Wenxuan Chen, Qingyun Di, Zili Wang, Yuntao Sun, Yongyou Yang, Wenxiu Zhang
-
Patent number: 10329906Abstract: An acoustic source testing apparatus of an azimuthally acoustic logging while drilling (LWD) instrument includes a water tank, a silicone oil, a drill collar, an azimuthally acoustic while drilling quadrupole transmitting apparatus and an acoustic signal reception apparatus. The bottom of the water tank is symmetrically provided with two supporting columns, the drill collar is disposed in U-shaped grooves on the supporting columns, the azimuthally acoustic quadrupole LWD transmitting apparatus and the acoustic signal reception apparatus are disposed on the drill collar, the silicone oil is filled in the water tank, and the drill collar, the azimuthally acoustic quadrupole LWD transmitting apparatus and the acoustic signal reception apparatus are completely covered in the silicone oil.Type: GrantFiled: August 16, 2018Date of Patent: June 25, 2019Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Jian Zheng, Zili Wang, Wenxuan Chen, Qingyun Di, Yuntao Sun, Yongyou Yang, Wenxiu Zhang
-
Patent number: 10317204Abstract: A near-bit dynamic well deviation angle measurement apparatus includes a circuit board and 2n+1 accelerometers. One accelerometer is installed in an axial direction of a drilling tool and forms n sets of three-axis orthogonal installation together with other 2n accelerometers. The accelerometer installed in the axial direction measures Az?, and the remaining accelerometers respectively measure n X-axis radial components and n Y-axis radial components corresponding to the n X-axis radial components. A filter and a data processing unit are integrated on the circuit board. The circuit board acquires signals in which the components are eliminated by the accelerators in real time, and further high-frequency vibration and impact interference in the signals are filtered out by using the filter to obtain non-interference gravitational acceleration components Ax, Ay and Az, and further a well deviation angle is calculated.Type: GrantFiled: August 31, 2017Date of Patent: June 11, 2019Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Yuntao Sun, Wenxuan Chen, Wenxiu Zhang, Yongyou Yang, Jian Zheng
-
Publication number: 20190154853Abstract: The present disclosure relates to the technical field of acoustic logging while drilling, and provides an integral packaging device for acoustic receiving transducers while drilling, wherein, the receiving transducers are directly arranged in a signal processing circuit, which is installed in an internal supporting frame fitted in a rectangular bellow; one side of the bellow has a deformable surface that is of a corrugated structure, and oil is filled in the bellow; the receiving transducers are arranged on the side that has a deformable surface; a shock absorbing rubber piece is of a U-shaped structure; one end of a connecting unit is connected to the signal processing circuit, and the other end of the connecting unit is connected to a main control circuit in a logging while drilling instrument. The present disclosure employs an integral packaging structure, which is easy to install structurally.Type: ApplicationFiled: January 20, 2019Publication date: May 23, 2019Inventors: Jian ZHENG, Wenxuan CHEN, Qingyun DI, Zili WANG, Yuntao SUN, Yongyou YANG, Wenxiu ZHANG
-
Publication number: 20190129052Abstract: In a method for acquiring data of azimuthal acoustic LWD, when an acoustic LWD instrument rotates with a drilling tool at a certain depth, data is acquired by adopting an azimuthal equal-interval mode: a well circumference is divided into m sectors by azimuthal intervals ??, when a toolface angle of the acoustic LWD instrument is located in the kth sector, an acoustic transmitting source is controlled to transmit an acoustic signal, and an acoustic receiver measures the acoustic signal, digitizes it and then stores it as data in the kth sector; and the data is acquired for each sector in turn, and after the data is acquired in each sector for N times, the data acquisition at the current depth is completed. Meanwhile, as the drilling tool rotates and drills, the instrument acquires acoustic data at different depths and processes it to achieve azimuthal acoustic imaging.Type: ApplicationFiled: September 6, 2018Publication date: May 2, 2019Inventors: Qingyun DI, Wenxiu ZHANG, Wenxuan CHEN, Zili WANG, Yuntao SUN, Jian ZHENG, Yongyou YANG
-
Publication number: 20190129046Abstract: In an apparatus for multi-pole acoustic logging while drilling, a N-cycle sinusoidal wave signal is generated by utilizing a signal processor, and amplified into a high-voltage sinusoidal excitation signal by utilizing a power amplifier, and output to a transmitting transducer. The signal processor simultaneously generates an enable signal. The enable signal includes a transient discharge enable signal. The power amplifier is connected with a transient discharge circuit. After the signal processor generates N cycles of a sinusoidal wave, the transient discharge enable signal enables the transient discharge circuit to discharge to release an energy storage current of a power transformer so as to eliminate a high-voltage ringing effect and improve an excitation efficiency of the transducer.Type: ApplicationFiled: November 16, 2018Publication date: May 2, 2019Inventors: Yuntao SUN, Zili WANG, Wenxuan CHEN, Wenxiu ZHANG, Yongyou YANG, Qingyun DI, Jian ZHENG
-
Publication number: 20190086439Abstract: The disclosure relates to the field of drilling tool attitude measurement, and particularly to a dynamic testing device suitable for a drilling tool attitude measurement module. The dynamic testing device may comprise a test fixture for attitude measurement module, an azimuth rotation device for adjusting an azimuth angle, an inclination angle swing device for adjusting an inclination angle, and a toolface angle rotation device for driving the test fixture for attitude measurement module to rotate, and a rotation speed measurement device for measuring a rotation speed and a self-rotation angle of the test fixture for attitude measurement module in a rotating state. The testing device has characteristics of large bearing weight, high rotation speed which is measurable and controllable, convenient for mounting and fixing a tested module, etc. It can simulate conditions of downhole rotation of a drilling tool, and be used for dynamic testing of the attitude measurement module.Type: ApplicationFiled: September 17, 2018Publication date: March 21, 2019Applicant: INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCESInventors: Wenxiu ZHANG, Yongyou YANG, Jian ZHENG, Yuntao SUN, Qingyun DI, Wenxuan CHEN, Changchun YANG
-
Publication number: 20190055840Abstract: An acoustic source testing apparatus of an azimuthally acoustic logging while drilling (LWD) instrument includes a water tank, a silicone oil, a drill collar, an azimuthally acoustic while drilling quadrupole transmitting apparatus and an acoustic signal reception apparatus. The bottom of the water tank is symmetrically provided with two supporting columns, the drill collar is disposed in U-shaped grooves on the supporting columns, the azimuthally acoustic quadrupole LWD transmitting apparatus and the acoustic signal reception apparatus are disposed on the drill collar, the silicone oil is filled in the water tank, and the drill collar, the azimuthally acoustic quadrupole LWD transmitting apparatus and the acoustic signal reception apparatus are completely covered in the silicone oil.Type: ApplicationFiled: August 16, 2018Publication date: February 21, 2019Inventors: Jian ZHENG, Zili WANG, Wenxuan CHEN, Qingyun DI, Yuntao SUN, Yongyou YANG, Wenxiu ZHANG
-
Patent number: 10202841Abstract: A near-bit tool attitude MWD apparatus includes measurement sensors and a measurement circuit. The measurement sensors transmit measured signals to the measurement circuit, and the measurement circuit processes and calculates the signals to obtain attitude data. The measurement sensors include a triaxial accelerometer, a triaxial gyroscope, a triaxial magnetic sensor and a temperature sensor, the measured data of the triaxial accelerometer, the triaxial gyroscope and the triaxial magnetic sensor are respectively corrected using the measured data of the temperature sensor, a first attitude angle is calculated using the corrected measured data of the triaxial accelerometer and the triaxial magnetic sensor. Quaternions are initialized using the first attitude angle, and the initialized quaternions are subjected to time updating according to the measured data of the triaxial gyroscope, and further an attitude angle is calculated utilizing the updated quaternions.Type: GrantFiled: August 29, 2017Date of Patent: February 12, 2019Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Wenxiu Zhang, Qingyun Di, Wenxuan Chen, Yongyou Yang, Yuntao Sun, Jian Zheng, Jianguang Liu
-
Patent number: 10120795Abstract: A wear-leveling NandFlash memory reading/writing method can identify a bad block, avoid the bad block, and equalize writing operations to ensure that all the blocks are identical in number of the writing operations so as to guarantee wear-leveling NandFlash memory reading and writing of the entire memory. This method has characteristics of low computational and small RAM cost, is suitable for the application scenario like operating a single file for a long time with an imbedded system with low cost and poor hardware resource, and can provide a complete file system solution.Type: GrantFiled: September 8, 2017Date of Patent: November 6, 2018Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Yongyou Yang, Wenxuan Chen, Qingyun Di, Wenxiu Zhang, Yuntao Sun, Jian Zheng
-
Publication number: 20180288325Abstract: Digital logic circuitry includes a plurality of logic blocks and memories that execute a method to stitch images. The method includes capturing the images with a plurality of pixel sensors, providing blocks of intensity values captured by the pixel sensors to input/output (I/O) pins of the digital logic circuitry, processing the intensity values with the digital logic circuitry, and stitching the processed images into a stitched image.Type: ApplicationFiled: June 5, 2018Publication date: October 4, 2018Inventors: Eric Kwong Hang TSANG, Yuntao SUN
-
Patent number: 10082021Abstract: An azimuthally acoustic while drilling signal receiving transducer encapsulating apparatus includes a drill collar, a receiving transducer, a preposed signal processing circuit and a master control electronics housing. The receiving transducer and the preposed signal processing circuit are encapsulated on a drill collar body individually. The receiving transducer and the signal processing circuit are electrically connected by a sealing electrical connector. The preposed signal processing circuit and the master control electronic housing are electrically connected. The signal processing circuit is preposed in terms of signal processing, and encapsulated on the drill collar, so that signal receiving and processing cable length is shortened and noise interference is reduced.Type: GrantFiled: November 20, 2017Date of Patent: September 25, 2018Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Jian Zheng, Wenxuan Chen, Qingyun Di, Yuntao Sun, Yongyou Yang, Wenxiu Zhang