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公开(公告)号：US5571986A
公开(公告)日：1996-11-05
申请号：US504544
申请日：1995-07-20
IPC分类号： E21B43/1185 , F42D1/045 , C06C5/00 , E21B7/00 , E21B29/02
CPC分类号： F42D1/045 , E21B43/1185
摘要： A method and apparatus of activating electric wireline firing systems in which a firing pin is restrained against movement toward a detonator until application of sufficient voltage to the apparatus. The firing pin is not permitted to move immediately upon application of voltage to the apparatus thereby providing a period during which voltage may be interrupted to prevent detonation of the system. The requisite voltage which must be applied to the apparatus is relatively high thereby ensuring against premature detonation of the system due to high radio frequencies, stray voltages or other electrical influences.
摘要翻译： 一种激活电缆射击系统的方法和装置，其中击发销被限制为朝向雷管的运动，直到对设备施加足够的电压。 在向设备施加电压时，触发销不允许立即移动，从而提供可以中断电压的期间，以防止系统的爆震。 必须施加到设备上的必要电压相对较高，从而由于高射频，杂散电压或其它电气影响而能够防止系统过早的爆震。
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公开(公告)号：US5511617A
公开(公告)日：1996-04-30
申请号：US496547
申请日：1995-06-29
IPC分类号： E21B34/06 , E21B34/14 , E21B33/13 , E21B33/134
CPC分类号： E21B34/063 , E21B34/14
摘要： An apparatus and method for controlling the pressure at which a fluid is introduced into a well penetrating a subterranean formation. The apparatus comprises a blow out sub having a sealed chamber between two plugs. The chamber is filled with a fluid at a known pressure. Thus, the pressure required to release the first plug is independent of the pressure in the well below the sub. The sub is attached to a tubular and positioned within the well. The first plug is then released upon application of a predetermined pressure fluid pressure, and the second plug is released upon application of a lesser pressure. The blow out sub may additionally comprise a tube forming a channel through the first plug, the chamber, and the second plug, with a means for controlling fluid flow through the channel. A first fluid may be introduced into the well via the channel prior to releasing the first plug.
摘要翻译： 一种用于控制将流体引入穿透地层的井的压力的装置和方法。 该装置包括在两个插头之间具有密封室的吹出部分。 在已知压力下，腔体中充满了液体。 因此，释放第一塞所需的压力与下面的井中的压力无关。 该子附接到管状并且定位在井内。 然后在施加预定的压力流体压力时释放第一塞子，并且在施加较小的压力时释放第二塞子。 吹出部分还可以包括形成通过第一塞子，腔室和第二塞子的通道的管道，具有用于控制通过通道的流体流动的装置。 在释放第一塞之前，可以经由通道将第一流体引入孔中。
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公开(公告)号：US06220370B1
公开(公告)日：2001-04-24
申请号：US09433034
申请日：1999-10-28
申请人： David S. Wesson , Gabe Williger , Lyle W. Andrich
发明人： David S. Wesson , Gabe Williger , Lyle W. Andrich
IPC分类号： E21B43117
CPC分类号： E21B43/116 , E21B43/119
摘要： A tubing conveyed perforating apparatus is shown which includes a tubular firing section which carries a plurality of explosive charges. The explosive charges are initially aligned with regions of reduced wall area provided in a tubular firing section which initially surrounds the charges. A piston sleeve is mounted on the exterior of the firing section. The piston sleeve has a plurality of apertures which are initially aligned with the regions of reduced wall area in the tubular firing section and thus with the explosive charges. Detonation of the charges causes the piston sleeve to shift so that the piston sleeve apertures are out of alignment with openings formed in the tubular firing section by the detonation of the charges, thereby trapping any resulting debris within the interior of the tubular firing section. Firing of the explosive charges opens upper and lower circulating ports so that sand or other debris can be reverse circulated up the interior of the well string to the well surface. A piston actuated retrieving head can be utilized to engage and retrieve a sealing plug from a sump packer within the well bore.
摘要翻译： 示出了输送穿孔装置的管道，其包括携带多个爆炸装药的管状燃烧部分。 炸药最初与最初包围电荷的管状点火部分中提供的壁面积减小的区域对齐。 活塞套筒安装在击发部分的外部。 活塞套筒具有多个孔，它们最初与管状点火部分中的壁面积减小的区域对准，因此与爆炸装置对齐。 电荷的引爆导致活塞套筒移动，使得活塞套筒孔与通过电荷引爆形成在管状点火部分中的开口不对齐，从而将任何产生的碎屑捕获在管状点火部分内部。 燃烧炸药打开上下循环口，使得沙子或其他碎屑可以从井筒内部向井筒表面反向循环。 活塞致动的回收头可以用于从井筒内的贮槽封隔器接合和回收密封塞。
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公开(公告)号：US07353866B2
公开(公告)日：2008-04-08
申请号：US11114244
申请日：2005-04-25
IPC分类号： E21B43/11
CPC分类号： E21B43/263
摘要： An apparatus for stimulating a subterranean formation includes a first tube, a second tube, a combustion body and an ignition propagator. The second tube is positioned within the first tube interior and the second tube interior is sealed from the first tube interior to substantially prevent fluid communication between the first tube interior and the second tube interior. The combustion body is formed from a solid propellant and is positioned within the first tube interior external to the second tube interior. The ignition propagator is positioned within the second tube interior and is substantially free from fluid contact with fluid residing in the surrounding environment external to the first tube wall.
摘要翻译： 用于刺激地层的装置包括第一管，第二管，燃烧体和点火传播器。 第二管定位在第一管内部，并且第二管内部与第一管内部密封，以基本上防止第一管内部和第二管内部之间的流体连通。 燃烧体由固体推进剂形成，并且位于第二管内部外部的第一管内部。 点火传播器位于第二管内部，并且与位于第一管壁外部的周围环境中的流体基本上没有流体接触。
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公开(公告)号：US6082450A
公开(公告)日：2000-07-04
申请号：US57157
申请日：1998-04-07
IPC分类号： E21B37/08 , E21B43/117 , E21B43/1185 , E21B43/263 , E21B43/267 , E21B43/11
CPC分类号： E21B43/11852 , E21B37/08 , E21B43/117 , E21B43/263 , E21B43/267
摘要： A method for stimulating a subterranean formation which is penetrated by a well bore having casing positioned therein so as to establish fluid communication between the formation and the well bore. Propellant is secured to the outer surface of a carrier having a plurality of apertures formed therein. Detonating cord is positioned within said carrier and when ignited causes the propellant to ignite initially at each aperture. In this manner, the propellant is caused to burn in controlled, uniform manner. Upon burning, the propellant generates gases which clean perforations previously formed through the casing into the formation and which extend fluid communication between the formation and the well bore.
摘要翻译： 一种用于刺激地下地层的方法，所述地下地层由穿过其中定位的壳体的井眼穿透，以便在地层和井眼之间建立流体连通。 推进剂固定在其上形成有多个孔的载体的外表面上。 引爆线定位在所述载体内，并且当点燃时引起推进剂最初在每个孔处点燃。 以这种方式，将推进剂以受控制的均匀方式燃烧。 在燃烧时，推进剂产生气体，其清洁先前通过壳体形成的穿孔进入地层并且延伸地层和井眼之间的流体连通。
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公开(公告)号：US5598891A
公开(公告)日：1997-02-04
申请号：US489309
申请日：1995-06-09
申请人： Philip M. Snider , David S. Wesson
发明人： Philip M. Snider , David S. Wesson
IPC分类号： E21B27/02 , E21B43/117 , E21B43/263 , E21B43/267 , F42B1/02 , E21B43/26
CPC分类号： E21B27/02 , E21B43/117 , E21B43/263 , E21B43/267 , F42B1/02
摘要： An apparatus and method for perforating and fracturing subterranean formations to enhance fluid production. At least one unlined punch charge is loaded into at least one punch charge carrier, and the void spaces in the punch charge carrier are filled with sand. The punch charge carrier is assembled with at least one perforating charge carrier, loaded with at least one perforating charge, and a means for detonation. The assembly is positioned in a well containing a pressurized fluid adjacent the interval to be perforated and/or fractured, and the charges are detonated. The one or more punch charges create one or more apertures in the punch charge carrier, allowing sand to enter the well and be carried by the fluid in the well into the perforations and/or fractures created by the perforating charges and the pressurized fluid. The sand scours and/or props the perforations and/or fractures.
摘要翻译： 一种用于穿孔和压裂地下地层以增强流体产生的装置和方法。 至少一个无衬里的冲压装料被装载到至少一个冲头电荷载体中，并且冲头电荷载体中的空隙空间填充有沙子。 冲击电荷载体与装有至少一个穿孔电荷的至少一个穿孔电荷载体和用于爆炸的装置组装在一起。 组件定位在包含邻近要穿孔和/或断裂的间隔的加压流体的井中，并且引爆。 一个或多个冲头装料在冲头加料载体中产生一个或多个孔，允许砂进入井中并由井中的流体承载到由穿孔装料和加压流体产生的穿孔和/或裂缝中。 沙子冲刷和/或穿透穿孔和/或破裂。
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公开(公告)号：US08540027B2
公开(公告)日：2013-09-24
申请号：US11469255
申请日：2006-08-31
IPC分类号： E21B29/00
CPC分类号： E21B43/116 , E21B43/114 , E21B43/119 , E21B43/26
摘要： Methods and apparatus for perforating a formation in a wellbore without perforating a well bore casing. The methods and apparatus include an external casing perforating device configured so as not to perforate the casing. The interior of the perforating device serves as a fluid flow path between the casing and the formation following perforation and a valve in the casing selectively opens and closes the flow path.
摘要翻译： 用于在井眼中穿孔地层而不穿孔井套管的方法和装置。 该方法和装置包括外壳套管穿孔装置，其构造成不使外壳穿孔。 穿孔装置的内部用作在穿孔之后的壳体和地层之间的流体流动路径，并且壳体中的阀选择性地打开和关闭流动路径。
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8.发明授权
公开(公告)号：US5775426A
公开(公告)日：1998-07-07
申请号：US711188
申请日：1996-09-09
IPC分类号： E21B37/08 , E21B43/117 , E21B43/1185 , E21B43/263 , E21B43/267 , E21B43/26
CPC分类号： E21B37/08 , E21B43/117 , E21B43/11852 , E21B43/263 , E21B43/267
摘要： A method and apparatus for perforating and stimulating a subterranean formation which is penetrated by a well bore having casing positioned therein so as to establish fluid communication between the formation and the well bore. A shell, sheath or sleeve of propellant material is positioned so as to substantially encircling at least one shaped charge in a subterranean well bore and is ignited due to the shock, heat and/or pressure generated from the detonated charge. Upon burning, the propellant material generates gases which clean perforations formed in the formation by detonation of the shaped charge(s) and which extend fluid communication between the formation and the well bore.
摘要翻译： 一种用于穿孔和刺激地下地层的方法和装置，其被具有定位在其中的壳体的井眼穿透，以便在地层和井眼之间建立流体连通。 推进剂材料的外壳，护套或套筒被定位成基本上环绕地下井孔中的至少一个成形装料，并且由于从引爆装料产生的冲击，热和/或压力而被点燃。 在燃烧时，推进剂材料产生气体，其清洁形成在地层中的穿孔，通过引爆成形的装料并延伸地层和井眼之间的流体连通。
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公开(公告)号：US20080053658A1
公开(公告)日：2008-03-06
申请号：US11469255
申请日：2006-08-31
IPC分类号： E21B43/14 , E21B43/117
CPC分类号： E21B43/116 , E21B43/114 , E21B43/119 , E21B43/26
摘要： Methods and apparatus for perforating a formation in a wellbore without perforating a well bore casing. The methods and apparatus include an external casing perforating device configured so as not to perforate the casing. The interior of the perforating device serves as a fluid flow path between the casing and the formation following perforation and a valve in the casing selectively opens and closes the flow path.
摘要翻译： 用于在井眼中穿孔地层而不穿孔井套管的方法和装置。 该方法和装置包括外壳套管穿孔装置，其构造成不使外壳穿孔。 穿孔装置的内部用作在穿孔之后的壳体和地层之间的流体流动路径，并且壳体中的阀选择性地打开和关闭流动路径。
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公开(公告)号：US07228906B2
公开(公告)日：2007-06-12
申请号：US10703676
申请日：2003-11-08
申请人： Philip M. Snider , David S. Wesson
发明人： Philip M. Snider , David S. Wesson
IPC分类号： E21B43/11
CPC分类号： E21B43/263
摘要： Method and apparatus for stimulating a subterranean formation that is penetrated by a well bore in fluid communication with the formation. At least one length of propellant is assembled with at least one shaped explosive charge that is aimed axially along the well bore toward the propellant. Detonation of the explosive charge ignites the propellant and any successive explosive charge positioned in the well bore. Detonation of the successive explosive charge ignites the next successive length of propellant and next successive explosive charge.
摘要翻译： 用于刺激由与地层流体连通的井眼穿透的地下地层的方法和装置。 至少一个长度的推进剂装配有至少一个成形的爆炸装药，其沿井眼轴向朝向推进剂。 爆炸炸药的爆炸点燃推进剂和任何连续的炸药，定位在井眼中。 连续爆炸炸药的爆炸点燃下一个连续的推进剂长度和下一次连续的爆炸炸药。
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