Measurement and control system of formation tester

• Main Authors: XUE YONGZENG, HAN XUESONG, ZHI HONGXU, HAO GUIQING, HU WEIPING, ZHANG HUAYONG, GAO TIANRUI, ZHOU MINGGAO
• Format: Patent
• Language: Chinese; English
• Published: 18.11.2022
• 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 invention discloses a formation tester measurement and control system, which comprises a power supply module, a communication module connected with a ground operating system through a bus, and a main control module connected with the communication module, the motor control driving module, the electromagnetic valve driving module, the densimeter data acquisition module, the conductivity meter data acquisition module, the quartz pressure sensor data acquisition module, the sample cylinder addressing module and the sensor are connected with the main control module; the master control module receives the instructions from the communication module and executes corresponding operation and control according to different instructions. According to the invention, the formation pressure measurement process and the formation fluid sampling process of the instrument can be controlled, including controlling the direct current brushless motor to drive the hydraulic pump to provide hydraulic power for the system, contro