Downhole oil-producing tool releaser

• Main Authors: XU FEN, YAN SHUAISHUAI, YANG JIANLONG, WEN YU, YANG YADONG, ZHANG YONG, BAI SUWEI, BAO ZHENGQIANG, ZHAO GUOFANG, ZHANG ZONGXIA
• Format: Patent
• Language: Chinese; English
• Published: 27.04.2011
• 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 relates to a downhole oil-producing tool releaser which is used for putting tools into a well from the ground. The releaser comprises a hanging body, tools and a release body, wherein the tools are hung at the lower part in the hanging body, and the part of the hanging body below a thread is provided with a plurality of bar bodies in a milling mode; the upper parts of the bar bodies are connected, and the lower parts of the bar bodies are not connected; the inner part below the hanging body is a tapered round hole; the release body is installed below the tapered round hole at the inner part below the hanging body; the upper end of the release body is cone-shaped; and the cone-shaped end face is embedded into the tapered round hole at the inner part below the hanging body. The mounted tools can be lifted to the mouth of a well and then put into the well by an operation lifting machine without labor power, thus the tools can be put into the well conveniently and safely, and longer and heavier