Pressure balance outlet module and formation tester applying same

• Main Authors: XUE YONGZENG, MA JUNQUAN, MEI SHAOLIANG, LI DONGJUN, CHU XIAODONG, ZHANG XIAOKANG, LAN MENG, GUO DENGTAO, LIANG GUOWEI, YUAN XUSHENG, CHEN YONGCHAO, GAO TIANRUI, LIU TIEMIN
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model belongs to the technical field of oil exploration and development formation testing, and discloses a pressure balance outlet module and a formation tester applying the same. The pressure balance outlet module comprises a module base body and a balance cylinder detachably inserted in the module base body, a fluid pipeline is arranged in the module base body, a fluid outlet, a fluid outlet control valve hole and an integrated control electromagnetic valve hole are further formed in the module base body, the fluid outlet is communicated with the fluid pipeline, and the balance cylinder is communicated with the integrated control electromagnetic valve hole. The fluid outlet control valve hole is used for installing a control valve to achieve opening and closing of a fluid outlet, and the integrated control electromagnetic valve hole is used for installing an electromagnetic valve to achieve electric control over the control valve. By means of the pressure balance outlet module, the formation tes