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    • 52. 发明申请
    • DEVICES AND METHODS FOR PERFORATING A WELLBORE
    • 用于执行井筒的装置和方法
    • WO2009117548A1
    • 2009-09-24
    • PCT/US2009/037615
    • 2009-03-19
    • OWEN OIL TOOLS LPWANG, ZepingPRATT, Dan, W.NOE, Paul
    • WANG, ZepingPRATT, Dan, W.NOE, Paul
    • F42B1/02
    • E21B43/117F42B1/028
    • An apparatus and method for perforating a subterranean formation is disclosed. The apparatus includes a tubular carrier; a charge tube disposed in the tubular carrier; and at least one shaped charge mounted in the charge tube which includes a casing, an explosive material and a liner enclosing the explosive material within the casing. An apex portion of the liner has a cross-sectional thickness greater than a cross-sectional thickness of any other portion of the liner. The cross-sectional thickness of the apex portion may be at least fifty percent thicker than a cross-section of a portion adjacent the apex portion. A density of the apex portion may be greater than the density of any other portions of the liner.
    • 公开了一种用于穿孔地下地层的装置和方法。 该装置包括管状载体; 设置在所述管状载体中的充电管; 以及安装在所述充电管中的至少一个成形电荷器,其包括壳体,爆炸性材料和将所述爆炸材料包封在所述壳体内的衬套。 衬套的顶点部分的横截面厚度大于衬套的任何其它部分的横截面厚度。 顶点部分的横截面厚度可以比与顶部部分相邻的部分的横截面厚至少50%。 顶点部分的密度可以大于衬垫的任何其它部分的密度。
    • 55. 发明申请
    • APPARATUS AND METHOD FOR PENETRATING OILBEARING SANDY FORMATIONS
    • 用于透水油砂浆的装置和方法
    • WO2005103602A3
    • 2006-02-16
    • PCT/US2004034847
    • 2004-10-21
    • OWEN OIL TOOLS L PPRATT DAN WCHAWLA MAMMOHAN S
    • PRATT DAN WCHAWLA MAMMOHAN S
    • F42B1/032F42B3/08F42B1/028
    • F42B1/028F42B1/032
    • A shaped charge (10) and a method of using such to provide for large and effective perforations in oil bearing sandy formations while causing minimal disturbance to the formation porosity is described. This shaped charge uses a low-density liner (24) having a filler material that is enclosed by outer walls made, preferably, of plastic or polyester. The filler material is preferably a powdered metal or a granulated substance, which is left largely unconsolidated. The preferred filler material is aluminum powder, or aluminum particles, that are coated with an oxidizing substance, such as TEFLON®, permitting a secondary detonation reaction inside the formation following jet penetration. The filled liner is also provided with a metal cap to aid penetration of the gun scallops, the surrounding borehole casing and the cement sheath.
    • 描述了一种成形装料(10)以及使用这种方法来在含油砂层中提供大的有效的穿孔,同时对地层孔隙度造成最小的干扰。 该成形装料使用具有由优选由塑料或聚酯制成的外壁包围的填充材料的低密度衬里(24)。 填充材料优选为粉末状金属或粒状物质,其在很大程度上未被固化。 优选的填充材料是铝粉末或铝颗粒,其被涂覆有诸如TEFLON的氧化物质,允许喷射穿透之后的地层内的次级爆炸反应。 填充衬里还设置有金属盖,以帮助枪扇贝,周围钻孔套管和水泥护套的穿透。
    • 56. 发明申请
    • APPARATUS AND METHOD FOR PENETRATING OILBEARING SANDY FORMATIONS, REDUCING SKIN DAMAGE AND REDUCING HYDROCARBON VISCOSITY
    • 用于渗透油砂浆的装置和方法,减少皮肤损伤并降低油墨粘度
    • WO2005103602A2
    • 2005-11-03
    • PCT/US2004/034847
    • 2004-10-21
    • OWEN OIL TOOLS L.P.PRATT, Dan, W.CHAWLA, Mammohan, S.
    • PRATT, Dan, W.CHAWLA, Mammohan, S.
    • F42B10/00
    • F42B1/028F42B1/032
    • A shaped charge and a method of using such to provide for large and effective perforations in oil bearing sandy formations while causing minimal disturbance to the formation porosity is described. This shaped charge uses a low-density liner having a filler material that is enclosed by outer walls made, preferably, of plastic or polyester. The filler material is preferably a powdered metal or a granulated substance, which is left largely unconsolidated. The preferred filler material is aluminum powder, or aluminum particles, that are coated with an oxidizing substance, such as TEFLON®, permitting a secondary detonation reaction inside the formation following jet penetration. The filled liner is also provided with a metal cap to aid penetration of the gun scallops, the surrounding borehole casing and the cement sheath. The metal cap forms the leading portion of the jet, during detonation. The remaining portion of the jet is formed from the low-density filler material, thereby resulting in a more particulated jet. The jet results in less compression around the perforation tunnel and less skin damage to the proximal end of the perforation tunnel.
    • 描述了一种成形装料和使用这种方法在含油砂层中提供大的和有效的穿孔,同时对地层孔隙度造成最小的干扰。 该成形装料使用具有由优选由塑料或聚酯制成的外壁包围的填料的低密度衬里。 填充材料优选为粉末状金属或粒状物质,其在很大程度上未被固化。 优选的填充材料是铝粉末或铝颗粒,其涂覆有氧化物质,例如TEFLON,其允许喷射穿透之后的地层内的次级爆炸反应。 填充衬里还设置有金属盖,以帮助枪扇贝,周围钻孔套管和水泥护套的穿透。 在爆炸期间,金属盖形成射流的引导部分。 射流的剩余部分由低密度填料形成,从而导致更多的雾化射流。 射流导致穿孔隧道周围的压缩较少,对穿孔隧道近端的皮肤损伤较少。
    • 57. 发明申请
    • DEVICE ADJACENT TO AN EXPLOSIVE CHARGE WITH AT LEAST TWO LINERS
    • 与最少两个线路相关的装置与爆炸电荷相关
    • WO2004109219A1
    • 2004-12-16
    • PCT/SE2004/000854
    • 2004-06-03
    • BOFORS DEFENCE ABRÖNN, TorstenTHUMAN, Christer
    • RÖNN, TorstenTHUMAN, Christer
    • F42B1/028
    • F42B1/028
    • An explosive charge (3) can be equipped with two liners (4, 5) that can be attached to one another. The primary liner (4) is so devised that when choosing a first choice (11) of being able to work independently and by employing a symmetrical form achieving a forward-aimed Shaped Charge Warhead (SCW) effect upon explosive charge initiation by means of the material (7, 8) indicated for the primary liner. A secondary liner (5) is devised with a second choice (12) to be able to work together with the primary liner and together cause an asymmetric form that distributes the material (18, 19) from the liners at different velocities to thereby cause a forward-directed fragmentation effect. The ammunition unit (1) can, thus, be designed or prepared for two different combat cases in a technologically simple and unambiguous manner.
    • 爆炸物(3)可以配备两个彼此连接的内衬(4,5)。 主衬套(4)的设计使得当选择能够独立工作的第一选择(11)并且通过采用对称形式实现在爆炸装药起始时的前进目标成形弹头(SCW)效应,借助于 材料(7,8)表示为主衬里。 辅助衬套(5)设计有第二选择(12)以能够与初级衬里一起工作,并且一起产生以不同速度从衬套分配材料(18,19)的不对称形式,从而导致 正向导向的碎片效应。 因此,弹药单位(1)可以以技术上简单和明确的方式为两个不同的作战情况设计或准备。
    • 58. 发明申请
    • ACTIVE PART COMPRISED IN AN AMMUNITION DEVICE
    • 包含在激活装置中的主动部件
    • WO2004085955A1
    • 2004-10-07
    • PCT/SE2004/000268
    • 2004-02-27
    • SAAB ABOLOFSSON, Göran
    • OLOFSSON, Göran
    • F42B39/20
    • F42B1/036F42B1/02F42B1/024F42B1/028F42B1/032F42B39/20
    • The invention relates to an active part (1) comprised in an ammunition device, such as a shell, missile or the like. According to the invention, the casing (2) of the active part is provided with a sleeve (10) in association with the opening (3) of the casing. A sprung device (14) is arranged between a locking device (6) arranged at the opening (3) of the casing and the sleeve (10). The end of the sleeve facing away from the sprung device is in direct contact with an explosive charge (4) arranged inside the casing of the active part or with a liner (5) arranged on the surface (20) of the explosive charge which is facing towards the sleeve and the locking device. The locking device (6) is designed to be released from the casing by the action of a force. By means of the invention, an active part is achieved which, in normal use, manages to keep the active part intact even if materials in the active part have greatly varying coefficients of thermal expansion, while at the same time, in extreme temperatures, the active part is prevented from detonating by the locking device (6) being released from the casing.
    • 本发明涉及包括在弹药装置中的活动部件(1),例如壳体,导弹体等。 根据本发明,活动部件的壳体(2)设置有与壳体的开口(3)相关联的套筒(10)。 弹簧装置(14)布置在布置在壳体的开口(3)和套筒(10)之间的锁定装置(6)之间。 套筒的远离弹簧装置的端部与布置在活动部件的壳体内部的爆炸装药(4)直接接触,或者与布置在炸药的表面(20)上的衬套(5)直接接触, 面向套筒和锁定装置。 锁定装置(6)被设计成通过力的作用从壳体释放。 通过本发明,实现了一种有效的部件,其在正常使用中,即使活性部件中的材料具有极大变化的热膨胀系数,同时在极端温度下也能保持活性部件的完整性, 有效部分被防止被从壳体释放的锁定装置(6)引爆。