一种油管输送式射孔器 Tubing conveyed perforating gun one kind of formula
本实用新型是一种在采油井中对地下油层实施射孔、造裂的油管输送式射孔器，它涉及对现有装置结构及性能上的改进与提高。 The present invention is an embodiment in oil well perforating subterranean reservoir, tubing made of split conveyor type perforator, it relates to an improved apparatus and improve the structure and performance of the existing pair.
采油过程中射孔的作用是射穿井下封闭油气产层的套管、水泥环并深入油气层，形成沟通井筒与油气产层的流体通道。 Oil during perforation pierced role is closed casing downhole hydrocarbon producing layer, and further cement reservoir, a fluid passage communicating with the bore of the hydrocarbon producing formation. 为了提高一次下井射孔的效率和精度，要根据油井油层的厚度、层数的不同，将射孔弹按照需要固定安装在不同层面上的弹架上，从而达到一次射开待射油井的全部油层的目的。 In order to improve a downhole perforating efficiency and accuracy, according to the different thickness of the oil reservoir, number of layers, the shaped charge projectile holder fixedly mounted as required on different levels, so as to achieve a penetration in all wells to be emitted the purpose reservoir. 但目前的装备的耐温、耐压性较差，而且传爆率也较低，盲区达40厘米，这些缺点都极大地妨碍了对油井的生产开发。 But the current equipment of temperature, pressure poor, and booster lower rates, up to 40 cm blind, these drawbacks are greatly hampered the production and development of oil wells.
本实用新型的目的正是针对上述现在装备所存在的问题而设计提供了一种新型结构的油管输送式射孔器，根据油井油层的厚度、层数的不同，将射孔弹按照需要固定安装在各自分体的的弹架上，并利用可靠的传爆接头依次连接这些弹架，从而达到一次射开待射油井的全部油层的目的。 The object of the present invention is now equipped for the above-described problems of the type designed to provide a tubing conveyed perforating gun in a new structure, depending on the thickness, the different layers of oil wells, the perforating charge is fixedly mounted as required these in turn connected to the charge carrier in the respective sub-projectile body frame, and the use of reliable booster joint, so as to achieve a full reservoir exit opening of the well to be emitted. 它具有耐温、耐压性能好，传爆效率高，降低盲区等优点。 It has good heat resistance, pressure resistance, a high booster efficiency and reduce blind advantages.
本实用新型的目的是通过以下措施来实现的：该种油管输送式射孔器，它是由传爆接头、射孔弹架、起爆接头、定位盘、扶正套、密封圈、止退环和挡片等组件构成，其结构及连接特征在于，传爆接头用于连接上下两段射孔弹架组件，在处于最上端的射孔弹架段的顶部安装有定位盘，将与射孔弹连接好的导爆索的两端卡上传爆管后，用挡片和止退环将传爆管固定设置在定位盘的中心孔内，再用扶正套将传爆管相对于该中心孔居中、对正，再在其上部安装起爆接头并连接下部的传爆接头。 The object of the present invention is achieved by the following measures: the kind of tubing conveyed perforating device, which is a booster joint, perforating charge carrier, linker initiation, puck, centralizer sleeve, ring, and retaining ring flaps and other components that make up its structure and is connected wherein the booster connector for connecting the upper and lower two perforating charge carrier assembly at the top of the uppermost section of the perforating charge carrier is attached to the puck, to be connected to the shaped charge after both ends of the detonating cord good card upload squib, with the flap and the retaining ring fixed to the squib pass the center hole of the positioning disc is provided, then the centralizer sleeve squib centrally with respect to the central bore, positive, then detonate joint mounted at its upper and lower part of the linker connecting the booster.
附图的图面说明如下：图1为本实用新型装置的结构示意图以下将结合附图和实施例对本实用新型作进一步地详述：参见附1所示，该种油管输送式射孔器，它是由传爆接头1、射孔弹架2、起爆接头12、定位盘8、扶正套6、密封圈11、止退环4和挡片9等组件构成，其中，传爆接头1用于连接上下两段射孔弹架2组件，射孔弹架2用于装射孔弹3及连接导爆索5，这样，该种射孔器就可以由多段射孔弹架构成，组成和连接都很方便，而且还可以满足油井地下层面的不同要求。 Brief Description of the drawings: Figure 1 is a schematic structural diagram of the invention means the accompanying drawings and the following detailed further embodiments of the present invention as: see Appendix 1, this kind of tubing conveyed perforating device, it is a booster joint, perforating charge carrier 2, initiation joint 12, the positioning plate 8, centralizer sleeve 6, the sealing ring 11, retaining ring 4 and the baffle plate 9 and the like constituting the assembly, wherein the booster joint 1 for connecting two vertical frame 2 shaped charge assembly, perforating means for perforating charge carrier shells 2 and 3 are connected the detonating cord 5, so that the seed can play the perforator perforation structure into a plurality of pieces, and connection composition very convenient, but also to meet the requirements of different levels of underground wells. 另外，在处于最上端的射孔弹架2段的顶部安装有定位盘8，将射孔弹3按不同的射孔设计要求固定在射孔弹架2内后，将与射孔弹3连接好的导爆索5绕在弹架上后与射孔弹的起爆药饼连接好，然后将导爆索的两端卡上传爆管7，用挡片9和止退环4将卡好的传爆管7固定设置在定位盘8的中心孔内，再用扶正套6将传爆管7相对于该中心孔居中、对正，再用固定销钉10和密封圈11将其固定好，最后，在其上部安装起爆接头12并连接下部的传爆接头1。 Further, the top perforating charge carrier 2 is in the uppermost section of a positioning plate 8 is mounted, the shaped charge perforating 3 different design requirements fixedly connected to the perforating charge carrier 2, will spring with good perforation 3 detonating cord 5 is wound around the projectile holder is connected to the primary explosive shaped charge good cake, and then the both ends of the detonating cord card upload squib 7, 9 with the flap 4 and the retaining ring good pass card 7 is fixed squib disposed within the central bore of the positioning plate 8, the sleeve 6 then righting squib 7 is centered with respect to the central bore, aligned, and then fixed pin 10 and the seal ring 11 is fixed in place and then, finally, initiation is mounted at its upper joint 12 and is connected to the lower portion of the joint 1 booster. 再将传爆接头与下一支射孔弹架连接。 Then the booster linker connecting a perforating charge carrier.
本实用新型装置耐温、耐压性好，耐温可达220℃，耐压80MP，可一次性射开油井的全部待射油层，并可使传爆率达100％，同时降低了盲区，盲区为13厘米。 The present invention means temperature, pressure resistance, temperature up to 220 deg.] C, pressure 80MP, one-time exit opening all wells to be emitted reservoir, and enables the booster 100%, while reducing blind, blind to 13 cm. 该装置易于操作，提高了生产效率。 The device is easy to operate, improve production efficiency.