China University of Petroleum

Other

Ocean University of China

Chao Yang

Yonghong Liu

Baoping Cai

Ning Fan

Jinzhen Cai

Yuan Guo

Rikui Zhang

Xincheng Li

Yingying Wang

Renjie Ji

Rui Zhang

Xin Wang

Bin Zhang

Zengkai Liu

Shitang Liu

Yuqian Yang

Xiaoyan Shao

Yong Zhang

Xin Wei

Libing Liu

Yandong Chen

Hongqi Xu

Lin Ma

Yanping Zhang

Guijie Liu

Xiangdi Kong

Chenyushu Wang

Zhongfei Sui

Zheng Yuan

Xuelin Liu

Wanhai Xu

Weifeng Ge

Qibing Wu

Lei Gao

Yandong Sun

Chuanshen Xu

Qingguo Xu

Jianhong Wang

Feng Wang

Xiaoyue Fu

Huan Liu

Wenjuan Sun

Bin Wei

Feifei Wang

Yi Zhao

Provided are an intelligent operation and maintenance optimization method and intelligent production optimization method for an offshore oil subsea production system (SPS), and a system, relating to the field of petroleum engineering. The operation and maintenance optimization method includes: determining whether there is a leak in an SPS; and if there is a leak, performing emergency repair; or if there is no leak, performing intelligent operation and maintenance optimization. The performing intelligent operation and maintenance optimization includes: calculating a static health index of the SPS based on ashore sensor status data and Christmas tree sensor data; obtaining dynamic health indexes at different moments through a Kalman filtering algorithm; and formulating an optimal maintenance strategy for the SPS with optimization objectives of maximizing toughness and minimizing a maintenance cost.

Intelligent operation and maintenance optimization method and intelligent production optimization method for offshore oil subsea production system (SPS), and system

The invention discloses a surgical conduit anastomosis suture tensioning device, which comprises a tube A and a tube B, wherein the tube A is a preset tube, and the tube B is a suture hooking tube; the preset tube comprises a connector, a first crossbar and a first tail, the first crossbar is arranged between the connector and the first tail, the connector is vertical to the first crossbar and magnetic, and a plurality of grooves are evenly distributed on the surface of the first crossbar; the suture hooking tube comprises a suture hooking head, a second crossbar and a second tail, the second crossbar is arranged between the suture hooking head and the second tail, the suture hooking head is vertical to the second crossbar and magnetic, a suture hooking slot is arranged at the tip of the suture hooking head in a forky form, the surface of the second crossbar is smooth and free from grooves, and the second tail has the same structure as the first tail. The invention relates to the technical field of surgical suture tensioning device, in particular provides a surgical conduit anastomosis suture tensioning device, which can effectively improve the continuous conduit suture efficiency and precision, promote uniform anastomotic healing, and reduce anastomotic stenosis caused by scars.

Surgical conduit anastomosis suture tensioning device

The invention discloses a laser-assisted tumor localization and resection device, which comprises a laser displacement sensor, a cylindrical base, a joint part, a transmission rod, and a data screen, wherein the laser displacement sensor comprises 2 sensors Land L, which are revolvably arranged in the cylindrical base and are coaxial, mounting holes are arranged on both sides of the cylindrical base, the transmission rod is revolvably connected with the cylindrical base at multiple angles through the joint part, the data screen is arranged on the transmission rod. The invention belongs to the field of open surgery or minimally invasive surgery, in particular relates to a laser-assisted tumor localization and resection device that the surgeons use in the minimally invasive surgery and the open surgery to realize the real-time precise intraoperative navigation and tumor localization, ensure the correct surgical plane and enough tumor resection margin and improve the operation efficiency and precision.

Laser-assisted tumor localization and resection device

The present disclosure belongs to the field of marine engineering, and in particular relates to a method and system for guaranteeing the safety of offshore oil well control equipment. The method comprises: identifying the state of a main structure of the offshore oil well control equipment, identifying the state of a hydraulic control unit of offshore oil well control equipment, identifying the state of an electronic control unit of offshore oil well control equipment, predicting the state of the offshore oil well control equipment and making a real-time decision based on existing information; and the system for guaranteeing the safety of the offshore oil well control equipment comprises a state identification subsystem of a main structure, a state identification subsystem of the hydraulic control unit, a state identification subsystem of the electronic control unit and a state prediction and real-time decision subsystem.

Method and system for guaranteeing safety of offshore oil well control equipment

Growing community of inventors

Qingdao, China

Chao Yang