机译:潜水直接驱动式螺杆泵无杆提升技术
[1]Research Institute of Exploration & Development, PetroChina, Beijing 100083, China;
[1]Research Institute of Exploration & Development, PetroChina, Beijing 100083, China;
[1]Research Institute of Exploration & Development, PetroChina, Beijing 100083, China;
[1]Research Institute of Exploration & Development, PetroChina, Beijing 100083, China;
[1]Research Institute of Exploration & Development, PetroChina, Beijing 100083, China;
[2]PetroChina Jilin Oilfield Company, Songyuan 138000, China;
[3]Xiafeng Electric Equipment Co., Ltd., Xinxiang 453621, China;
rodless artificial lift; submersible motor direct-drive; progressing cavity pump; submersible motor; artificial lift;