Dynamic laser perforation device capable of penetrating into rock under petroleum well
A technology for oil wells and lasers, which is applied in the direction of drilling equipment, wellbore/well components, and production fluids, etc., which can solve the problem that the laser head cannot be adjusted in the direction of laser emission, and the perforation operation and perforation with inclined perforation channels cannot be completed. issues of depth
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[0032] Such as figure 1 As shown, a dynamic laser perforating device that can go deep into rocks in underground oil wells includes a ground terminal 34, a transmission system 3 and a laser perforator 4; the ground terminal 34 is connected to the laser perforator 4 through the transmission system 3, Wherein: ground terminal 34 comprises laser source 1, power supply 29, high-pressure gas chamber 33 and control terminal 2, and described laser source 1, power supply 29, high-pressure gas chamber 33 are respectively connected with control terminal 2; Laser source 1, power supply 29 and control terminal 2 Generate high-energy laser, electric energy and control signals respectively. All three are located on the ground, which can not only avoid the limitation of the size of the instrument due to the narrow space downhole, but also avoid the influence of the complex environment downhole on the instrument. There are optical fibers 19 and cables inside the transmission system 3, and ste...
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