Measurement while drilling nipple for coiled tubing engineering and using method thereof

• Main Authors: FAN YUBIN, WU YANHUA, LI YONG, LI DONGCHUN, LU CHAO, SUN JINGGUANG, YANG YUSHENG, ZHU QINGLI
• Format: Patent
• Language: Chinese; English
• Published: 26.10.2021
• 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 belongs to the technical field of drilling exploration engineering, and particularly relates to a measurement while drilling nipple for coiled tubing engineering and a using method thereof. The measurement while drilling nipple is compact in structure and good in sealing performance, can be installed and connected to the near end of a coiled tubing downhole string drill bit, and achieves real-time measurement of drilling engineering parameters such as drilling pressure, torque, internal and external pressure of a drill string and casing coupling in the drilling process. The measurement while drilling nipple for coiled tubing engineering comprises a measurement nipple main body structure, a circuit board bin, a single-core pressure bearing plug, a casing coupling sensor, a flow pressure sensor, an annulus sensor, a drilling pressure sensor and a torque sensor, wherein a measurement circuit is installed in the circuit board bin, the casing coupling sensor is arranged at the front half section of t