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公开(公告)号：US20130146287A1
公开(公告)日：2013-06-13
申请号：US13759060
申请日：2013-02-05
发明人： Guoan ZHANG , Jianlong CHENG
IPC分类号： E21B43/267 , E21B43/11
CPC分类号： E21B43/267 , E21B43/11 , E21B43/116
摘要： The present invention provides composite perforation methods and device with propping agent capable of effectively propping the fractures in the oil layer, thereby reducing the closure of fractures and prolonging the oil extraction cycle. The device comprises one or more connected perforators wherein each of said perforator comprises one or more perforating charges and a propping agent unit 7 at the open end of each of said perforating charge, a pressure release hole 9 located directly behind the jet flow of said perforating charge, and a shatterable sealing sheet 8 mounted on said pressure releasing hole 9, wherein said propping agent unit 7 comprises a propping agent box 70, a center through-hole 71 located at the center of said propping agent box 70, and propping agent 72 in said propping agent box 70.
摘要翻译： 本发明提供了具有能够有效地支撑油层中的裂缝的支撑剂的复合穿孔方法和装置，从而减少了断裂闭合并延长了提油循环。 该装置包括一个或多个连接的穿孔器，其中每个所述穿孔器包括一个或多个穿孔装料和在每个所述穿孔装料的开口端的支撑剂单元7，位于所述穿孔装置的喷射流的正后方的压力释放孔9 充电和安装在所述压力释放孔9上的可粉碎密封片8，其中所述支撑剂单元7包括支撑剂箱70，位于所述支撑剂箱70中心的中心通孔71和支撑剂72 在所述支撑剂盒70中。
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2.发明申请公开(公告)号：US20130145924A1
公开(公告)日：2013-06-13
申请号：US13759064
申请日：2013-02-05
发明人： Guoan ZHANG , Jianlong CHENG , Xianhong SUN
IPC分类号： E21B43/119
CPC分类号： E21B43/119
摘要： This invention provides a structure for gunpowder charge for charging gunpowders of different rates in combined fracturing perforation devices. The structure for gunpowder charge is convenient to mount and transport. In one embodiment, said structure for gunpowder charge comprises an inner gunpowder box located between adjacent perforating charges in the charge frame of a perforation device, and an outer gunpowder box attached to the outer wall of the charge frame, wherein said outer gunpowder box comprises one or two box units (2 or 4) with at least one claw at the inner side of said box unit, said claw can be locked into a groove or installation hole of the charge frame, and wherein said inner gunpowder box and said outer gunpowder box are charged with gunpowders of different burning rates.
摘要翻译： 本发明提供了一种用于在组合压裂穿孔装置中对不同速率的火药进行充电的火药充电结构。 火药装料结构方便安装和运输。 在一个实施例中，所述用于火药装料的结构包括位于穿孔装置的充电框架中的相邻穿孔装料之间的内部火药盒和附接到充电架的外壁的外部火药盒，其中所述外部火药盒包括一个 或两个箱单元（2或4），在所述盒单元的内侧具有至少一个爪，所述爪可以锁定到收费框架的槽或安装孔中，并且其中所述内火药盒和所述外火药盒 被控以不同燃烧率的火药。
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公开(公告)号：US09027667B2
公开(公告)日：2015-05-12
申请号：US13759064
申请日：2013-02-05
发明人： Guoan Zhang , Jianlong Cheng , Xianhong Sun
IPC分类号： E21B43/116 , E21B43/119
CPC分类号： E21B43/119
摘要： This invention provides a structure for gunpowder charge for charging gunpowders of different rates in combined fracturing perforation devices. The structure for gunpowder charge is convenient to mount and transport. In one embodiment, said structure for gunpowder charge comprises an inner gunpowder box located between adjacent perforating charges in the charge frame of a perforation device, and an outer gunpowder box attached to the outer wall of the charge frame, wherein said outer gunpowder box comprises one or two box units (2 or 4) with at least one claw at the inner side of said box unit, said claw can be locked into a groove or installation hole of the charge frame, and wherein said inner gunpowder box and said outer gunpowder box are charged with gunpowders of different burning rates.
摘要翻译： 本发明提供了一种用于在组合压裂穿孔装置中对不同速率的火药进行充电的火药充电结构。 火药装料结构方便安装和运输。 在一个实施例中，所述用于火药装料的结构包括位于穿孔装置的充电框架中的相邻穿孔装料之间的内部火药盒和附接到充电架的外壁的外部火药盒，其中所述外部火药盒包括一个 或两个箱单元（2或4），在所述盒单元的内侧具有至少一个爪，所述爪可以锁定到收费框架的槽或安装孔中，并且其中所述内火药盒和所述外火药盒 被控以不同燃烧率的火药。
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4.发明授权公开(公告)号：US08943944B2
公开(公告)日：2015-02-03
申请号：US13814243
申请日：2012-12-14
申请人： Tong Petrotech Inc
发明人： Guoan Zhang , Jianlong Cheng , Xianhong Sun
IPC分类号： F41F5/00 , B64D1/04 , E21B43/116 , E21B43/267 , E21B43/117
CPC分类号： E21B43/116 , E21B43/117 , E21B43/267
摘要： This invention provides a structure for gunpowder charge in multi-frac composite perforation devices that is easy to assemble and transport while the charge volume of gunpowder is increased. In one embodiment of the present invention, an triplet outer gunpowder box is attached onto the outer wall of the charge frame and comprises one middle gunpowder box charged with gunpowder of certain burning rate, and two side-hung gunpowder boxes charged with gunpowder of another burning rate. The two side-hung gunpowder boxes are separately located on the two sides of the middle gunpowder box and are connected with the middle gunpowder box as a unit. The middle gunpowder box is located at a position corresponding to the perforating charge, and has an inner groove for orienting the perforating charge and a through hole through which the jet flow passes.
摘要翻译： 本发明提供了一种在多压裂复合穿孔装置中的火药充电结构，其易于组装和运输，同时火药的电荷量增加。 在本发明的一个实施例中，一个三端口外部的火药盒装在充电架的外壁上，包括一个装有一定燃烧速率的火药的中间火药盒，另外两个装有另一个燃烧火药的火药盒 率。 两个侧挂式火药箱分别位于中火药箱的两侧，并以中间火药箱为单位连接。 中间火药盒位于与穿孔装置对应的位置，并具有用于使穿孔装料定向的内槽和喷流通过的通孔。
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5.发明授权公开(公告)号：US08960289B2
公开(公告)日：2015-02-24
申请号：US13521522
申请日：2010-11-10
申请人： Guoan Zhang , Jianlong Cheng , Xianhong Sun
发明人： Guoan Zhang , Jianlong Cheng , Xianhong Sun
IPC分类号： E21B43/11 , E21B43/263 , E21B43/117 , F42B1/02 , F42D3/04
CPC分类号： E21B43/263 , E21B43/117 , F42B1/02 , F42D3/04
摘要： A combined fracturing and perforating method and device for oil and gas well are disclosed. The method utilizes an explosion of a perforating charge (5) in a combined fracturing perforator to ignite primary gunpowder in the perforator, and burning of the primary gunpowder ignites secondary gunpowder in the perforator. The body of the perforating gun in the combined fracturing and perforating device is provided with pressure releasing hole (8) which is directly facing the jet direction of said perforating charge, and sealing sheet (9) is arranged on said pressure releasing hole (8). Inner gunpowder box (6), which contains the primary gunpowder, and outer gunpowder box (7), which contains the secondary gunpowder, are mounted on the cylindrical charge frame (4).
摘要翻译： 公开了油气井组合压裂和穿孔方法及装置。 该方法利用组合压裂穿孔机中的穿孔装置（5）的爆炸点燃穿孔机中的主要火药，并且主火药的燃烧点燃穿孔机中的次级火药。 组合式压裂穿孔装置中的射孔枪体设有直接面向射孔喷射方向的压力释放孔（8），密封片（9）设置在所述压力释放孔（8）上， 。 包含主火药的内火药盒（6）和包含次级火药的外火药盒（7）安装在圆柱形充电架（4）上。
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公开(公告)号：US07819180B2
公开(公告)日：2010-10-26
申请号：US11664850
申请日：2005-10-27
申请人： Zhihua Zhou , Yuanhong Li , Jun Liu
发明人： Zhihua Zhou , Yuanhong Li , Jun Liu
IPC分类号： E21B43/263
CPC分类号： E21B43/263
摘要： Embodiments disclosed include a high-energy gas fracture apparatus for through-tubing operation. The apparatus includes a blast head, a fracturing body connected-with the blast head and an electric detonator provided in the blast head, the fracturing body having a central pipe sleeved by a fracture charge column outside and containing an explosive fuse sleeved by tubular igniting charge column inside. In an embodiment, charge amount per unit is effectively enhanced due to bared fracture charge column without sheath combustion gas peak pressure is reached quickly and therefore energy utilization rate during fracturing is effectively enhanced because of igniting by explosion energy of explosive fuse and combustion energy of igniting charge. Various embodiments are usable for fracturing or plug removal in a well without tubing.
摘要翻译： 所公开的实施例包括用于管道操作的高能气体断裂装置。 该装置包括鼓风头，与爆破头连接的压裂体和设置在鼓风头中的电雷管，压裂体具有中心管，该中心管由裂缝装料柱外部套管并且容纳通过管状点燃装置套管的爆炸保险丝 列内。 在一个实施例中，由于没有鞘气燃烧气体的裸露裂缝装料柱而有效地增加了每单位的装料量，因此能够快速达到峰值压力，因此由于爆炸保险丝的爆炸能量和点火燃烧能量的点燃而有效地提高了压裂期间的能量利用率 收费。 各种实施例可用于在没有管道的井中的压裂或塞子移除。
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公开(公告)号：US09297243B2
公开(公告)日：2016-03-29
申请号：US13759060
申请日：2013-02-05
发明人： Guoan Zhang , Jianlong Cheng
IPC分类号： E21B43/11 , E21B43/267 , E21B43/116
CPC分类号： E21B43/267 , E21B43/11 , E21B43/116
摘要： The present invention provides composite perforation methods and device with propping agent capable of effectively propping the fractures in the oil layer, thereby reducing the closure of fractures and prolonging the oil extraction cycle. The device comprises one or more connected perforators wherein each of said perforator comprises one or more perforating charges and a propping agent unit 7 at the open end of each of said perforating charge, a pressure release hole 9 located directly behind the jet flow of said perforating charge, and a shatterable sealing sheet 8 mounted on said pressure releasing hole 9, wherein said propping agent unit 7 comprises a propping agent box 70, a center through-hole 71 located at the center of said propping agent box 70, and propping agent 72 in said propping agent box 70.
摘要翻译： 本发明提供了具有能够有效地支撑油层中的裂缝的支撑剂的复合穿孔方法和装置，从而减少了断裂闭合并延长了提油循环。 该装置包括一个或多个连接的穿孔器，其中每个所述穿孔器包括一个或多个穿孔装料和在每个所述穿孔装料的开口端的支撑剂单元7，位于所述穿孔装置的喷射流的正后方的压力释放孔9 充电和安装在所述压力释放孔9上的可粉碎密封片8，其中所述支撑剂单元7包括支撑剂箱70，位于所述支撑剂箱70中心的中心通孔71和支撑剂72 在所述支撑剂盒70中。
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公开(公告)号：US08607856B2
公开(公告)日：2013-12-17
申请号：US13203802
申请日：2010-03-11
申请人： Guoan Zhang , Jiafu Zhang , Jianlong Cheng
发明人： Guoan Zhang , Jiafu Zhang , Jianlong Cheng
IPC分类号： E21B17/10
CPC分类号： E21B17/023 , H01R13/533
摘要： A cable head for petroleum logging includes a first connector and a second connector; there is a tension rod between the first connector and the second connector; a first piston, a second piston and a third piston are successively provided on the upper part, the middle part and the lower part of the first connector; the diameter of the second piston is greater than the diameters of the first and third piston respectively; the first and second piston are sealed and mounted inside a first cylinder; the third piston is sealed and mounted inside a second cylinder; the lower part of the second cylinder is fixedly connected with the second connector; a balance cavity is formed between the lower end face of the second piston and the upper end face of the second cylinder when the lower end face of the first cylinder is contacted with the upper end face of second cylinder; the balance cavity communicates with the external by a passage on the first or second cylinder; an axial projected area of the lower end face of the second piston is equal to a cross section area of the first piston. When the cable head is stuck in the well in use, the logging cable can be disconnected by breaking the tension rod, thus it is no need to overcome the pressure of fluid in the deep well.
摘要翻译： 用于石油测井的电缆头包括第一连接器和第二连接器; 在第一连接器和第二连接器之间存在张力杆; 第一活塞，第二活塞和第三活塞依次设置在第一连接器的上部，中部和下部; 第二活塞的直径分别大于第一和第三活塞的直径; 第一和第二活塞被密封并安装在第一气缸内; 第三活塞被密封并安装在第二气缸内; 第二气缸的下部与第二连接器固定连接; 当第一气缸的下端面与第二气缸的上端面接触时，在第二活塞的下端面与第二气缸的上端面之间形成有平衡腔; 平衡腔通过第一或第二气缸上的通道与外部连通; 第二活塞的下端面的轴向投影面积等于第一活塞的截面面积。 当电缆头卡在使用中的井口时，可以通过断裂张力杆来断开测井电缆，因此无需克服深井中的液体压力。
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公开(公告)号：US20110318088A1
公开(公告)日：2011-12-29
申请号：US13203802
申请日：2010-03-11
申请人： Guoan Zhang , Jiafu Zhang , Jianlong Cheng
发明人： Guoan Zhang , Jiafu Zhang , Jianlong Cheng
CPC分类号： E21B17/023 , H01R13/533
摘要： A cable head for petroleum logging includes a first connector and a second connector; there is a tension rod between the first connector and the second connector; a first piston, a second piston and a third piston are successively provided on the upper part, the middle part and the lower part of the first connector; the diameter of the second piston is greater than the diameters of the first and third piston respectively; the first and second piston are sealed and mounted inside a first cylinder; the third piston is sealed and mounted inside a second cylinder; the lower part of the second cylinder is fixedly connected with the second connector; a balance cavity is formed between the lower end face of the second piston and the upper end face of the second cylinder when the lower end face of the first cylinder is contacted with the upper end face of second cylinder; the balance cavity communicates with the external by a passage on the first or second cylinder; an axial projected area of the lower end face of the second piston is equal to a cross section area of the first piston. When the cable head is stuck in the well in use, the logging cable can be disconnected by breaking the tension rod, thus it is no need to overcome the pressure of fluid in the deep well.
摘要翻译： 用于石油测井的电缆头包括第一连接器和第二连接器; 在第一连接器和第二连接器之间存在张力杆; 第一活塞，第二活塞和第三活塞依次设置在第一连接器的上部，中部和下部; 第二活塞的直径分别大于第一和第三活塞的直径; 第一和第二活塞被密封并安装在第一气缸内; 第三活塞被密封并安装在第二气缸内; 第二气缸的下部与第二连接器固定连接; 当第一气缸的下端面与第二气缸的上端面接触时，在第二活塞的下端面与第二气缸的上端面之间形成有平衡腔; 平衡腔通过第一或第二气缸上的通道与外部连通; 第二活塞的下端面的轴向投影面积等于第一活塞的截面面积。 当电缆头卡在使用中的井口时，可以通过断裂张力杆来断开测井电缆，因此无需克服深井中的液体压力。
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10.发明授权公开(公告)号：US09297242B2
公开(公告)日：2016-03-29
申请号：US14580750
申请日：2014-12-23
发明人： Guoan Zhang , Jianlong Cheng , Xianhong Sun
IPC分类号： B64D1/04 , E21B43/263 , E21B43/117
CPC分类号： E21B43/263 , E21B43/117
摘要： This invention provides a multi-frac composite perforation device having (i) a gun body having an outer wall, (ii) an inner gunpowder box between adjacent perforating charges in the charge frame 1 of said perforation device, and (iii) a structure for gunpowder charge with an outer gunpowder box 4 attached to an outer wall of the charge frame 1, the gun body has a pressure releasing structure corresponding to a closed end of the perforating charge. This invention further provides a method of using the multi-frac composite perforating device to fracture a formation and the choice of gunpowders and gun body thickness with regards to the pressure required for fracturing a formation.
摘要翻译： 本发明提供一种多压裂复合穿孔装置，其具有（i）具有外壁的枪主体，（ii）位于所述穿孔装置的充电架1中的相邻穿孔装置之间的内部火药盒，以及（iii） 火药装有附加到充电架1的外壁的外部火药盒4，枪体具有对应于穿孔电荷的封闭端的压力释放结构。 本发明还提供了一种使用多压裂复合穿孔装置来破裂地层的方法，以及关于压裂地层所需的压力的枪口和枪体厚度的选择。
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