Patents by Inventor Zhibin Tian
Zhibin Tian 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).
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Patent number: 11905829Abstract: An integrated logging instrument for coring and sampling includes a downhole main body and a ground system. The downhole main body is connected with the ground system through a long cable. The downhole main body includes a coring and sampling mechanism, a power mechanism and an energy storage mechanism. The coring and sampling mechanism includes a coring assembly for drilling cores and a pushing and setting assembly for downhole fixation. The power mechanism is arranged at an upper end of the coring and sampling mechanism, and includes a motor, a piston structure and a pump body. The piston structure and the pump body are respectively arranged at two output ends of the motor. The piston structure is arranged to provide suction power. The pump body is arranged to provide hydraulic power. The energy storage mechanism is arranged at a lower end of the coring and sampling mechanism.Type: GrantFiled: May 14, 2020Date of Patent: February 20, 2024Assignees: China Oilfield Services Limited, China National Offshore Oil CorporationInventors: Tao Lu, Yongren Feng, Changgui Xu, Zhibin Tian, Xiaofei Qin, Minggao Zhou, Xiaodong Chu, Tiemin Liu, Yongzeng Xue, Zanqing Wei, Lin Huang
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Patent number: 11788405Abstract: A downhole oil level detection device includes a mounting housing (1) and a balance cylinder (2) installed on the mounting housing (1). The balance cylinder (2) includes a cylinder body (25) and a moving piston (21), a piston tension spring (22), a moving rod (23), a moving rod compression spring (24) and a displacement sensor (3) installed in the cylinder body (25). One end of the piston tension spring (22) is fixed to one end of the cylinder body (25), the other end thereof is connected to one side of the moving piston (21); one side of the moving piston (21) is also connected to one end of the moving rod compression spring (24), the other end of the moving rod compression spring (24) is connected to one end of the moving rod (23), the other end of the moving rod (23) is provided with the displacement sensor (3).Type: GrantFiled: February 14, 2020Date of Patent: October 17, 2023Assignee: China Oilfield Services LimitedInventors: Zhibin Tian, Zanqing Wei, Lin Huang, Xiaoqiang Du, Yongren Feng, Bin Gao, Peng Sun, Yong Jiang, Minglue Fan, Shiwei Zong
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Patent number: 11739603Abstract: A core detection device of a coring instrument includes a base body and a core switch mechanism provided on the base body. The base body is provided with a core channel communicated with a core barrel. The core switch mechanism includes a detection portion, a connecting rod assembly and a travel switch which are sequentially arranged and connected along a length direction of the coring instrument. The detection portion is rotatably installed on the base body and one end thereof is extended into the core channel, so that a core passing through the core channel pushes the detection portion to rotate. The connecting rod assembly can be pulled by the rotating detection portion to trigger the travel switch to operate. The core switch mechanism adopts a slider-connecting rod structure, and the kinematic pairs are mainly a sliding pair and a rotating pair.Type: GrantFiled: February 18, 2021Date of Patent: August 29, 2023Assignees: China National Offshore Oil Corporation, China Oilfield Services LimitedInventors: Zhibin Tian, Lin Huang, Zanqing Wei, Shusheng Guo, Yongren Feng, Xingfang Wu, Tiemin Liu, Yong Jiang, Bin Gao, Peng Sun, Shiwei Zong, Jianyong Zhang, Aijun Zhang
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Publication number: 20230194388Abstract: A spacer insertion device is disclosed. The spacer insertion device comprises a spacer insertion mechanism fixed on a base body of a core detection device of a coring instrument, wherein the spacer insertion mechanism comprises a slider and a cylinder body, an output end of the cylinder body is connected with the slider, and the slider is slidably connected with the base body to push a spacer to the a core channel provided in the base body and in communication with a core barrel.Type: ApplicationFiled: February 23, 2023Publication date: June 22, 2023Inventors: Zhibin Tian, Lin Huang, Zanqing Wei, Shusheng Guo, Yongren Feng, Xingfang Wu, Tiemin Liu, Yong Jiang, Bin Gao, Peng Sun, Shiwei Zong, Jianyong Zhang, Aijun Zhang
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Publication number: 20220397491Abstract: A coring device, comprising an electronic sub communicated with a ground control system and identifying the position of a core taken underground, a supporting arm sub for fixing of the coring device, a rotating sub for rotating a mechanical sub to a specified position to carry out coring by rotating, a hydraulically controlled sub for providing power to the rotating sub and the mechanical sub, a mechanical sub for performing pushing, coring, core folding and core length measurement operations, and a core storage barrel sub for storing a taken core, which are sequentially connected. The rotating sub comprises a rotating shaft, a moving sleeve which sleeves the rotating shaft and is in threaded connection with the rotating shaft, and a fixed housing; the rotating shaft and the moving sleeve are arranged inside the fixed housing, two ends of the rotating shaft respectively extend from two ends of the fixed housing.Type: ApplicationFiled: April 7, 2021Publication date: December 15, 2022Inventors: Zhibin Tian, Tao Lu, Lin Huang, Zanqing Wei, Tiemin Liu, Yongren Feng, Xiaodong Chu, Yong Jiang
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Publication number: 20220316290Abstract: An integrated logging instrument for coring and sampling includes a downhole main body and a ground system. The downhole main body is connected with the ground system through a long cable. The downhole main body includes a coring and sampling mechanism, a power mechanism and an energy storage mechanism. The coring and sampling mechanism includes a coring assembly for drilling cores and a pushing and setting assembly for downhole fixation. The power mechanism is arranged at an upper end of the coring and sampling mechanism, and includes a motor, a piston structure and a pump body. The piston structure and the pump body are respectively arranged at two output ends of the motor. The piston structure is arranged to provide suction power. The pump body is arranged to provide hydraulic power. The energy storage mechanism is arranged at a lower end of the coring and sampling mechanism.Type: ApplicationFiled: May 14, 2020Publication date: October 6, 2022Inventors: Tao LU, Yongren FENG, Changgui XU, Zhibin TIAN, Xiaofei QIN, Minggao ZHOU, Xiaodong CHU, Tiemin LIU, Yongzeng XUE, Zanqing WEI, Lin HUANG
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Publication number: 20220260094Abstract: A hydraulic power system for a downhole device, including a first motor, a first hydraulic pump, a second hydraulic pump, a first main oil circuit, a second main oil circuit, a switching control module and a first execution module. The first motor has a first output shaft which drives the first hydraulic pump and has an oil outlet connected to an input end of the first main oil circuit and a second output shaft which drives the second hydraulic pump and has an oil outlet connected to an input end of the second main oil circuit; the first execution module is connected to an output end of the first main oil circuit; displacement of the first hydraulic pump is smaller than that of the second hydraulic pump; and the switching control module is connected between the first main oil circuit and the second main oil circuit.Type: ApplicationFiled: December 3, 2019Publication date: August 18, 2022Applicants: CHINA OILFIELD SERVICES LIMITED, CHINA NATIONAL OFFSHORE OIL CORPORATIONInventors: Zhibin TIAN, Yongren FENG, Tao LU, Lin HUANG, Tiemin LIU, Zanqing WEI, Yong JIANG, Xiaoqiang DU, Liping LIU, Xiaodong CHU
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Publication number: 20220154573Abstract: A downhole oil level detection device includes a mounting housing (1) and a balance cylinder (2) installed on the mounting housing (1). The balance cylinder (2) includes a cylinder body (25) and a moving piston (21), a piston tension spring (22), a moving rod (23), a moving rod compression spring (24) and a displacement sensor (3) installed in the cylinder body (25). One end of the piston tension spring (22) is fixed to one end of the cylinder body (25), the other end thereof is connected to one side of the moving piston (21); one side of the moving piston (21) is also connected to one end of the moving rod compression spring (24), the other end of the moving rod compression spring (24) is connected to one end of the moving rod (23), the other end of the moving rod (23) is provided with the displacement sensor (3).Type: ApplicationFiled: February 14, 2020Publication date: May 19, 2022Inventors: Zhibin Tian, Zanqing Wei, Lin Huang, Bin Gao, Xiaoqiang Du, Yongren Feng, Peng Sun, Yong Jiang, Minglue Fan, Shiwei Zong
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Publication number: 20210285849Abstract: A core detection device of a coring instrument includes a base body and a core switch mechanism provided on the base body. The base body is provided with a core channel communicated with a core barrel. The core switch mechanism includes a detection portion, a connecting rod assembly and a travel switch which are sequentially arranged and connected along a length direction of the coring instrument. The detection portion is rotatably installed on the base body and one end thereof is extended into the core channel, so that a core passing through the core channel pushes the detection portion to rotate. The connecting rod assembly can be pulled by the rotating detection portion to trigger the travel switch to operate. The core switch mechanism adopts a slider-connecting rod structure, and the kinematic pairs are mainly a sliding pair and a rotating pair.Type: ApplicationFiled: February 18, 2021Publication date: September 16, 2021Inventors: Zhibin Tian, Lin Huang, Zanqing Wei, Shusheng Guo, Yongren Feng, Xingfang Wu, Tiemin Liu, Yong Jiang, Bin Gao, Peng Sun, Shiwei Zong, Jianyong Zhang, Aijun Zhang
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Patent number: 11028658Abstract: A horizontal-to-vertical drilling module for a deep well includes a fixed plate (1) provided with a first guide hole having a turning section (11), a core breaking section (13) and a moving section (12); a movable plate (2) movably mounted on one side of the fixed plate and provided with a second guide hole having a turning driving section (21), a core breaking driving section (23) and a moving driving section (22), the projection of the first guide hole on the movable plate intersecting with the second guide hole; a coring module (3) positioned at the other side of the fixed plate and provided with a moving column (31) on the side facing the fixed plate; and a moving slider (4) having an open groove (41), the moving slider being installed in the first guide hole and rotatably connected to the coring module.Type: GrantFiled: March 25, 2019Date of Patent: June 8, 2021Assignees: China National Offshore Oil Corporation, China Oilfield Services LimitedInventors: Yongren Feng, Jibin Zou, Tiemin Liu, Xingfang Wu, Xiaodong Chu, Zhibin Tian, Guoqiang Zhang, Zhongtian Hao, Guangshuai Li, Yiming Wu
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Publication number: 20200291735Abstract: A horizontal-to-vertical drilling module for a deep well includes a fixed plate (1) provided with a first guide hole having a turning section (11), a core breaking section (13) and a moving section (12); a movable plate (2) movably mounted on one side of the fixed plate and provided with a second guide hole having a turning driving section (21), a core breaking driving section (23) and a moving driving section (22), the projection of the first guide hole on the movable plate intersecting with the second guide hole; a coring module (3) positioned at the other side of the fixed plate and provided with a moving column (31) on the side facing the fixed plate; and a moving slider (4) having an open groove (41), the moving slider being installed in the first guide hole and rotatably connected to the coring module.Type: ApplicationFiled: March 25, 2019Publication date: September 17, 2020Inventors: Yongren FENG, Jibin ZOU, Tiemin LIU, Xingfang WU, Xiaodong CHU, Zhibin TIAN, Guoqiang ZHANG, Zhongtian HAO, Guangshuai LI, Yiming WU
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Patent number: 10547248Abstract: A rectifier circuit and a dimmer circuit are provided, comprising: an isolating driver circuit, a switching control circuit, a before-bridge damper circuit, and a rectifier bridge. The isolating driver circuit is connected to the before-bridge damper circuit via the switching control circuit, two ends of the switching control circuit are connected to two input ends of the rectifier bridge, respectively, and two ends of the before-bridge damper circuit are connected to the two input ends of the rectifier bridge, respectively. In the disclosed rectifier circuit and damper circuit, the isolating driver circuit receives the after-bridge control signal after the rectifier bridge, the switching control circuit controls connection or disconnection of the before-bridge damper circuit to the rectifier circuit based on the after-bridge control signal.Type: GrantFiled: September 12, 2017Date of Patent: January 28, 2020Assignee: SENGLED CO., LTD.Inventors: Zhibin Tian, Junshan Lou, Jinxiang Shen
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Publication number: 20190363641Abstract: A rectifier circuit and a dimmer circuit are provided, comprising: an isolating driver circuit, a switching control circuit, a before-bridge damper circuit, and a rectifier bridge. The isolating driver circuit is connected to the before-bridge damper circuit via the switching control circuit, two ends of the switching control circuit are connected to two input ends of the rectifier bridge, respectively, and two ends of the before-bridge damper circuit are connected to the two input ends of the rectifier bridge, respectively. In the disclosed rectifier circuit and damper circuit, the isolating driver circuit receives the after-bridge control signal after the rectifier bridge, the switching control circuit controls connection or disconnection of the before-bridge damper circuit to the rectifier circuit based on the after-bridge control signal.Type: ApplicationFiled: September 12, 2017Publication date: November 28, 2019Inventors: Zhibin TIAN, Junshan LOU, Jinxiang SHEN
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Publication number: 20190267988Abstract: A switch-tube driver circuit is provided, comprising: a first field effect tube, a control element, a first time delay circuit, and a second time delay circuit. The first time delay circuit comprises: a first resistor and a first capacitor. The second time delay circuit comprises: a second resistor and a second capacitor. A gate electrode of the first field effect tube is connected to the signal input interface, a source electrode of the first field effect tube is connected to ground, and a drain electrode of the first field tube is connected to an end of the first transistor, an end of the first capacitor, and a first end of the control element, respectively. The other end of the first resistor accesses a bias voltage and is connected to an end of the second resistor, and the other end of the first capacitor is connected to ground.Type: ApplicationFiled: September 19, 2017Publication date: August 29, 2019Inventors: Zhibin TIAN, Jinxiang SHEN
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Patent number: 10236667Abstract: A wire follow-up protection structure of an electric reducer includes a deformation mechanism with a variable length and sliding plates, the sliding plates being symmetrically disposed on both sides of the deformation mechanism, the deformation mechanism being supported on the sliding plates, the sliding plates limiting the deformation mechanism such that the deformation mechanism deforms between the sliding plates, a continuous run-through channel being preset within the deformation mechanism, the deformation mechanism being disposed to be rotationally connected to the electric reducer and slidably connected to a main body of a coring device, the channel being disposed as a passage for wire.Type: GrantFiled: July 17, 2017Date of Patent: March 19, 2019Assignees: China National Offshore Oil Corporation, China Oilfield Services LimitedInventors: Yongren Feng, Tiemin Liu, Zhibin Tian, Liping Liu, Xiaodong Chu, Zanqing Wei, Xingfang Wu, Guiqing Hao
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Publication number: 20180323589Abstract: A wire follow-up protection structure of an electric reducer includes a deformation mechanism with a variable length and sliding plates, the sliding plates being symmetrically disposed on both sides of the deformation mechanism, the deformation mechanism being supported on the sliding plates, the sliding plates limiting the deformation mechanism such that the deformation mechanism deforms between the sliding plates, a continuous run-through channel being preset within the deformation mechanism, the deformation mechanism being disposed to be rotationally connected to the electric reducer and slidably connected to a main body of a coring device, the channel being disposed as a passage for wire.Type: ApplicationFiled: July 17, 2017Publication date: November 8, 2018Inventors: Yongren Feng, Tiemin Liu, Zhibin Tian, Liping Liu, Xiaodong Chu, Zanqing Wei, Xingfang Wu, Guiqing Hao
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Patent number: 10045419Abstract: A color-temperature adjustable light-emitting diode (LED) lighting device and a method for adjusting the color temperature of an LED lighting device are provided. The color-temperature adjustable LED lighting device includes: a power supply module, a micro-control unit (MCU), an adjustable LED driving power supply having a positive output terminal and a negative output terminal, a cool white LED array, a warm white LED array, a first switch circuit, a second switch circuit, a first current detection circuit, and a second current detection circuit. The power supply module is connected to an input terminal of the MCU and an input terminal of the adjustable LED driving power supply.Type: GrantFiled: December 12, 2016Date of Patent: August 7, 2018Assignee: SENGLED CO., LTD.Inventors: Mingshuai Wang, Zhenfeng Ding, Zhibin Tian, Jinxiang Shen
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Patent number: 10018038Abstract: A drilling type sidewall coring apparatus, comprising: a main body, a transmission device, a bit mounted on the transmission device, a rack accommodated in the main body, and a plurality of first hydraulic oil cylinders, the transmission device mounted on the rack in a rotatable manner, the first hydraulic oil cylinders mounted on the main body, pistons of the first hydraulic oil cylinders connected with the rack, the telescopic motion of the pistons of the first hydraulic oil cylinders driving the rack to perform radial motion in the main body so as to make the bit protrude or retract from the main body. The electric motor is mounted in the main body and connected with the right angel speed reducer by the soft shaft. The electric motor transmits power by the soft shaft and the right angle speed reducer to drive the bit to rotate, the transmission efficiency is higher.Type: GrantFiled: September 19, 2014Date of Patent: July 10, 2018Assignees: China National Offshore Oil Corporation, China Oilfield Services LimitedInventors: Yongren Feng, Zhibin Tian, Tao Lu, Liping Liu, Guiqing Hao, Wenquan Zhang, Xiaodong Chu, Zanqing Wei, Tiemin Liu, Fen Han
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Publication number: 20180027626Abstract: A color-temperature adjustable light-emitting diode (LED) lighting device and a method for adjusting the color temperature of an LED lighting device are provided. The color-temperature adjustable LED lighting device includes: a power supply module, a micro-control unit (MCU), an adjustable LED driving power supply having a positive output terminal and a negative output terminal, a cool white LED array, a warm white LED array, a first switch circuit, a second switch circuit, a first current detection circuit, and a second current detection circuit. The power supply module is connected to an input terminal of the MCU and an input terminal of the adjustable LED driving power supply.Type: ApplicationFiled: December 12, 2016Publication date: January 25, 2018Inventors: MINGSHUAI WANG, ZHENFENG DING, ZHIBIN TIAN, JINXIANG SHEN
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Patent number: 9717122Abstract: The present disclosure provides a dimming circuit for SCR dimmer (silicon-controlled rectifier) circuit. The dimming circuit includes a signal conversion circuit for converting an input signal to a sine-wave voltage signal and output the sine-wave voltage signal to a current sampling end of a power factor correction circuit. The dimming circuit also includes the power factor correction circuit to receive the sine-wave voltage signal for correcting power factor. A biasing current is generated according to the input signal and is positively correlated to the input signal, and a sine-wave current signal corresponding to the sine-wave voltage signal is a sum of the biasing current and a primary current of a transformer in the power factor correction circuit.Type: GrantFiled: December 29, 2015Date of Patent: July 25, 2017Assignee: SENGLED OPTOELECTRONICS CO., LTDInventors: Zhibin Tian, Junshan Lou, Chaoqun Sun, Jinxiang Shen