China University of Petroleum

Beijing Institute of Technology

Beijing University of Posts and Telecommunications

Yao Wei

Wei Liu

Guangzhi Liao

Lizhi Xiao

Yangyang Xu

Wenbo Wang

Mugen Peng

Zhaomin Li

Teng Lu

Yajie Xu

Wenshuo Wang

Dawei Hou

Junqiang Xi

Shijun Min

Chaopeng Zhang

Zikun Zhou

Jianping Yang

Zhaokun Chen

Hongyuan Wang

Shizhong Wang

Zhuangzhuang Wang

A method, system and apparatus for recognizing continuous driving style are provided, which involve the intelligent vehicles field. The method comprises: collecting multi-dimensional driving data from a plurality of drivers in daily driving scenarios, segmenting the driving data to obtain a plurality of driving segments, calculating statistical features of each driving segment to determine high-dimensional continuous driving statistical features, reducing dimensionality of the driving statistical features to generate common factors for each driving segment, representing each driving segment with a driving word based on the common factors, representing all the driving segments of a target driver as a driving word sequence, constructing a hierarchical latent model of driving behavior, and inputting the driving word sequence into the hierarchical latent model of driving behavior to determine the continuous driving style of the target driver.

Method, system and apparatus for recognizing continuous driving style

Provided are a main control system and a device for a nuclear magnetic resonance logging while drilling tool, the system includes: a digital signal processor, an auxiliary measurement module, a pulse signal generation module and a memory disposed in a downhole drilling tool; wherein the digital signal processor is communicatively connected to an upper computer arranged on the ground, the auxiliary measurement module and the pulse signal generation module respectively; the memory is communicatively connected to the pulse signal generation module. The main control system and a device for a nuclear magnetic resonance logging while drilling tool achieve the effect of improving the accuracy of the logging data.

Main control system and a device for a nuclear magnetic resonance logging while drilling tool

Disclosed belongs to the technical field of oil and gas field development engineering, and particularly relates to a super heavy oil development method for strengthening an SAGD steam chamber to break through a low physical property reservoir. The super heavy oil development method for strengthening the SAGD steam chamber to break through the low physical property reservoir includes the following steps: (1) selection of a developed oil reservoir; (2) well distribution; (3) steam chamber forming; (4) steam chamber expansion; (5) steam chamber strengthening. The method may enhance the ability of the steam chamber to break through the low physical property reservoir, enlarge the development height of the steam chamber, and further improve the SAGD development effect of super heavy oil.

Super heavy oil development method for strengthening SAGD steam chamber to break through low physical property reservoir

Provided is an array antenna driving method and device for a three-dimensional scanning nuclear magnetic resonance imager, wherein each antenna to be operated is driven to transmit a nuclear magnetic pulse signal by receiving a control command sent by a control system; parsing the control command to generate a pulse transmission timing signal and an antenna switching control signal; processing an externally inputted high voltage signal according to the pulse transmission timing signal to output high voltage radio frequency pulses of a plurality of channels; and selecting a high voltage radio frequency pulse of at least one channel and the antenna to be operated in the nuclear magnetic resonance pulse array antenna according to the antenna switching control signal, and superposing the selected high voltage radio frequency pulse. The device of the present invention can improve multi-layer slice information detection of signals in circumferentially different azimuth zones.

Array antenna driving method and device for three-dimensional scanning nuclear magnetic resonance imager

Provided is a method for PCI classified self-configuration, including: according to the characteristic of PCI code, dividing all PCIs into &#x394;large groups in accordance with a step length &#x394;, and then dividing resources of each of the large groups into &#x394;small groups in accordance with a step length &#x394;, generating a PCI resource list, and identifying each PCI by three sections of address codes representing a large group number, a small group number and an intra-group number of the PCI, respectively; mapping the PCI resources one by one to new base stations in accordance with a classification that each new station and heterogeneous nodes covered thereby correspond to a small group of PCI resources; allocating a first PCI in each small group of PCI resources to a new base station, and randomly allocating the remaining PCIs in the small group of PCI resources to the covered heterogeneous nodes.

Method and apparatus for PCI classified self-configuration

Growing community of inventors

Beijing, China

Yao Wei