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公开(公告)号：US10401056B2
公开(公告)日：2019-09-03
申请号：US15869910
申请日：2018-01-12
发明人： Xianzhi Song , Gensheng Li , Zhongwei Huang , Shouceng Tian , Haizhu Wang , Huaizhong Shi , Mao Sheng , Yiqun Zhang , Jingbin Li , Yu Shi
IPC分类号： F24T10/20 , F24T10/17 , E21B43/30 , E21B41/00 , E21B49/00 , E21B43/08 , E21B7/04 , E21B47/04 , E21B33/14 , F24T10/00
摘要： The present disclosure provides a hydrothermal geothermal development method of multilateral well closed circulation, comprises the steps of: dividing a geothermal reservoir into single layers according to geothermal reservoir geological conditions, wherein an upper single layer with a lower water temperature and a higher permeability is taken as a recharge layer, and a lower single layer with a higher water temperature is taken as a production layer; tripping a production casing, and injecting cement for well cementation; performing casing lateral windowing in a vertical hole corresponding to the recharge layer, and drilling several branch radial horizontal holes into the recharge layer; performing casing lateral windowing in the vertical hole corresponding to the production layer, and drilling several branch radial horizontal holes into the production layer; tripping a guiding pipe into the production casing of the vertical hole, with a depth thereof reaching a well section between the recharge layer and the production layer; tripping a packer at a guiding shoe to isolate the guiding pipe and an annulus of the casing from each other, so as to prevent geothermal fluid of the recharge layer and the production layer from being communicated with each other in the vertical hole.
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公开(公告)号：US10787886B2
公开(公告)日：2020-09-29
申请号：US16307936
申请日：2017-05-12
发明人： Zhongwei Huang , Jingbin Li , Jilei Niu , Gensheng Li , Zhen Cheng
摘要： An auxiliary feeding device for a flexible pipe of a radial horizontal well, comprising an oil pipe, a steering gear connected to the oil pipe at a lower opening, and two impellers. Each of the impellers comprises an impeller shaft, a barrel body and at least three blades fixed outside the barrel body and provided at a top thereof with a notch, where the two impeller shafts are parallel to each other. The two impellers are parallel and are synchronously rotated, and the notches on two sides of the inlet are in one-to-one correspondence relation to form a holding passage that can clamp the flexible pipe.
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公开(公告)号：US10822913B2
公开(公告)日：2020-11-03
申请号：US16242099
申请日：2019-01-08
发明人： Yiqun Zhang , Ya Liu , Gensheng Li , Zhongwei Huang , Huaizhong Shi , Xianzhi Song , Mao Sheng , Lu Ji
摘要： A plugging and wall reinforcing device and a method of using thereof. The nesting plugging and wall reinforcing device comprises an external slotted metal pipe and an internal nested blasting tool, wherein the slotted metal pipe has spiral slits or straight slits cut on a pipe wall thereof; the nested blasting tool is a mandrel having a surface provided with a plurality of explosive grooves in which explosives are placed; the slotted metal pipe is disposed around the mandrel, with a movable fit therebetween. The present invention can effectively improve the plugging success rate.
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4.发明申请公开(公告)号：US20190153809A1
公开(公告)日：2019-05-23
申请号：US16242099
申请日：2019-01-08
发明人： Yiqun Zhang , Ya Liu , Gensheng Li , Zhongwei Huang , Huaizhong Shi , Xianzhi Song , Mao Sheng , Lu Ji
摘要： An energy-gathered bundle type nesting plugging and wall reinforcing device and an application thereof in karst cave plugging. The energy-gathered bundle type nesting plugging and wall reinforcing device comprises an external slotted metal pipe (1) and an internal nesting blasting tool, wherein the slotted metal pipe (1) has spiral slits (2) or straight slits (3) cut on a pipe wall thereof; the nesting blasting tool is a mandrel (5) having a surface provided with a plurality of explosive grooves (4) in which explosives are placed; the slotted metal pipe (1) is disposed to sleeve the mandrel (5) and fixed, with a movable fit therebetween. The present invention can solve the difficulty that the plugging material cannot easily reside to form a bridge, and effectively improving the plugging success rate.
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公开(公告)号：US09115541B2
公开(公告)日：2015-08-25
申请号：US13683426
申请日：2012-11-21
发明人： Gensheng Li , Jilei Niu , Zhongwei Huang , Huaizhong Shi , Shouceng Tian , Jiasheng Fu
摘要： An impulse-type underground supercharged jet drilling method and device. The impulse-type underground supercharged jet drilling method uses up and down vibrations of a drill string or weight on bit variation during the drilling process, so that an upper joint connected to the drill string drives a housing and a supercharging cylinder block to move up and down relative to a supercharging piston, while the supercharging piston, a high pressure line, and a drive shaft disposed outside the high pressure line make a reciprocally retractable movement relative to the housing. As a result, some working fluid entering the supercharging cylinder block is intermittently supercharged, and discharged from a high pressure fluid passage disposed in the supercharging piston and the high pressure line. The device effectively imparts an underground supercharging to parts of the drilling fluid, thus improving the rock breaking efficiency and the drilling speed.
摘要翻译： 一种脉冲型地下增压喷射钻井方法及装置。 脉冲型地下增压喷射钻孔方法在钻孔过程中使用钻柱的上下振动或钻头变形的重量，使得连接到钻柱的上接头驱动壳体和增压气缸体向上移动， 而增压活塞，高压管线和设置在高压管线外侧的驱动轴相对于壳体相互往复伸缩。 结果，进入增压缸体的一些工作流体被间歇地增压，并且从设置在增压活塞和高压管路中的高压流体通道排出。 该装置有效地对钻井液的一部分施加地下增压，从而提高了岩石破碎效率和钻井速度。
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