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    • 4. 发明授权
    • Percussion drill assembly
    • 冲击钻组件
    • US6047778A
    • 2000-04-11
    • US338881
    • 1999-06-23
    • James E. CoffmanPaul W. CritesPaul B. CampbellEwald H. Kurt
    • James E. CoffmanPaul W. CritesPaul B. CampbellEwald H. Kurt
    • E21B4/00E21B4/02E21B4/14B25D17/14
    • E21B4/00E21B4/02E21B4/14
    • A compressor piston divides a first compartment into two compression chambers, while a hammer piston divides a second compartment into two drive chambers, each of the compression chambers being connected to a respective one of the drive chambers to form a closed fluid system wherein reciprocation of the compressor piston causes cyclic compression and expansion of the fluid in the compression chambers and thus in the drive chambers, to effect a cyclic impacting of the hammer piston with a bit adapter connected to the drill bit. A mud motor rotates a shaft to drive an oscillator which reciprocates the compressor piston. The oscillator can comprise roller elements in the compressor piston in engagement with canted grooves in the shaft. While drilling mud drives the motor and then passes downwardly to flush the drill bit and the borehole, the drilling mud is isolated from the closed fluid system. The bit adapter slides axially, so that when the drill bit is not in contact with a borehole bottom, the bit adapter and the hammer piston move downwardly to a position where the two drive chambers are in direct communication such that the reciprocation of the compressor piston does not actuate the hammer piston. Each of the pistons is an annular piston having a bleed passageway between its chambers, permitting the chambers to equalize when the pistons are stationary. The superatmospheric pressure is such that the hammer piston reciprocates at a frequency within .+-.20% of natural resonant frequency.
    • 压缩机活塞将第一隔室分成两个压缩室,而锤子活塞将第二隔室分成两个驱动室,每个压缩室连接到相应的一个驱动室,以形成封闭的流体系统, 压缩机活塞引起压缩室中和因此在驱动室中的流体的循环压缩和膨胀,以通过连接到钻头的钻头适配器来实现锤式活塞的循环冲击。 泥浆马达旋转轴以驱动使压缩机活塞往复运动的振荡器。 振荡器可以包括压缩机活塞中的滚子元件,其与轴中的斜槽啮合。 当钻井泥浆驱动马达,然后向下通过冲洗钻头和钻孔时,钻井泥浆与封闭的流体系统隔离。 钻头适配器轴向滑动,使得当钻头不与钻孔底部接触时,钻头适配器和锤子活塞向下移动到两个驱动室直接连通的位置,使得压缩机活塞的往复运动 不致动锤活塞。 每个活塞都是一个环形活塞,在其腔室之间具有排放通道,当活塞处于静止状态时,允许腔室相等。 超大气压力使得锤式活塞以固有谐振频率的+/- 20%内的频率往复运动。
    • 5. 发明授权
    • Drilling systems
    • 钻井系统
    • US07040417B2
    • 2006-05-09
    • US10733171
    • 2003-12-11
    • Paul B. CampbellJames E. Coffman
    • Paul B. CampbellJames E. Coffman
    • E21B4/14
    • E21B4/06E21B4/20
    • The present invention discloses, in certain aspects, systems and methods for producing cyclical impacts and, in certain aspects for moving a drilling apparatus for drilling a borehole in a formation, the system in certain embodiments including a housing with a longitudinal axis and a movable member movably disposed therein and movable within the housing transversely to the longitudinal axis of the housing and positioned within the housing with a first space on a first side thereof and a second space on a second side thereof, the movable member substantially fluidly isolating the two spaces and movable to compress gas in one of the first space and the second space while decompressing gas in the other space so that a charge of compressed gas exits from the housing to move an impact member; e.g. for impacting a pile to be driven into the earth or for impacting a drill apparatus for drilling a wellbore, the movable member movable continuously to provide a series of impacts.
    • 本发明在某些方面公开了用于产生周期性冲击的系统和方法,并且在某些方面,用于移动用于在地层中钻孔的钻孔设备的某些方面,该系统在某些实施例中包括具有纵向轴线的壳体和可动构件 可移动地设置在其中,并且在壳体内横向于壳体的纵向轴线可移动,并且在壳体的第一侧上具有第一空间并且在其第二侧上具有第二空间,可移动构件基本上流体地隔离两个空间, 可移动以在第一空间和第二空间中的一个中压缩气体,同时在另一空间中减压气体,使得压缩气体的进料从壳体排出以移动冲击构件; 例如 为了冲击一堆被驱动进入地球或冲击用于钻井的钻井设备,可移动构件可连续移动以提供一系列冲击。
    • 7. 发明授权
    • Extending internet calls to a telephony call center
    • 将互联网电话扩展到电话呼叫中心
    • US06385191B1
    • 2002-05-07
    • US08749298
    • 1996-11-14
    • James E. CoffmanKurt H. Haserodt
    • James E. CoffmanKurt H. Haserodt
    • H04L1266
    • H04M7/003H04L12/6418H04L29/06H04L2012/6427H04L2012/6472H04L2012/6475H04L2012/6486H04M3/42042H04M3/42178H04M3/5191H04M2207/203H04M2242/22H04Q3/72H04Q11/0457H04Q2213/13034H04Q2213/1307H04Q2213/13072H04Q2213/13091H04Q2213/13093H04Q2213/13175H04Q2213/13196H04Q2213/13204H04Q2213/13209H04Q2213/13389
    • A call originating in the Internet network (102) is converted by a gateway (104) into a telephone call and is completed to a call center (106) as a conventional inbound call including caller identification. An Internet user who has accessed a World Wide Web (WWW) home page (114) of a call center customer indicates a desire to speak to a call center agent by activating a “call” virtual button (115) of the home page by means of the WWW browser (101) of the user's Internet phone (99)-equipped client (100). The WWW server (103) of the home page responds by sending an executable applet (117) and the call center's telephone number (116) to the client (100). The client executes the applet to obtain the user's telephone number from the user, to establish an Internet connection between the Internet phone (99) and the gateway, and to provide the user's and call center's telephone numbers to the gateway. The gateway uses the phone numbers to establish a call to the call center through the telephone network (105). It provides the user's telephone number to the call center as the calling telephone number (119) by including it in a field (e.g., ANI) of the ISDN call SETUP message (118). The gateway also interfaces the Internet connection with the telephone call. The call center uses the calling number to effect a screen pop at the agent position (109-110) of the agent assigned to handle the call.
    • 源自因特网(102)的呼叫由网关(104)转换成电话呼叫,并且作为包括呼叫者识别的传统呼入呼叫完成到呼叫中心(106)。 访问呼叫中心客户的万维网(WWW)主页(114)的互联网用户表示希望通过以下方式激活主页的“呼叫”虚拟按钮(115)来与呼叫中心代理人通话 的用户的互联网电话(99)装置的客户端(100)的WWW浏览器(101)。 主页的WWW服务器(103)通过向客户机(100)发送可执行小应用程序(117)和呼叫中心的电话号码(116)来进行响应。 客户端执行小程序以从用户获取用户的电话号码,以在因特网电话(99)和网关之间建立因特网连接,并向网关提供用户和呼叫中心的电话号码。 网关使用电话号码通过电话网络(105)建立到呼叫中心的呼叫。 它通过将呼叫中心的电话号码包括在ISDN呼叫建立消息(118)的一个字段(例如ANI)中,将呼叫中心的电话号码提供给呼叫中心。 网关还将互联网连接与电话呼叫相连接。 呼叫中心使用主叫号码来实现分配给处理呼叫的代理的代理位置(109-110)的屏幕弹出。
    • 8. 发明授权
    • Percussion drill assembly
    • 冲击钻组件
    • US5957220A
    • 1999-09-28
    • US723768
    • 1996-09-30
    • James E. CoffmanPaul W. CritesPaul B. CampbellEwald H. Kurt
    • James E. CoffmanPaul W. CritesPaul B. CampbellEwald H. Kurt
    • E21B4/00E21B4/02E21B4/14B25D17/06
    • E21B4/02E21B4/00E21B4/14
    • A compressor piston divides a first compartment into two compression chambers, while a hammer piston divides a second compartment into two drive chambers, each of the compression chambers being connected to a respective one of the drive chambers to form a closed fluid system wherein reciprocation of the compressor piston-causes cyclic compression and expansion of the fluid in the compression chambers and thus in the drive chambers, to effect a cyclic impacting of the hammer piston with a bit adapter connected to the drill bit. A mud motor rotates a shaft to drive an oscillator which reciprocates the compressor piston. The oscillator can comprise roller elements in the compressor piston in engagement with canted grooves in the shaft. While drilling mud drives the motor and then passes downwardly to flush the drill bit and the borehole, the drilling mud is isolated from the closed fluid system. The bit adapter slides axially, so that when the drill bit is not in contact with a borehole bottom, the bit adapter and the hammer piston move downwardly to a position where the two drive chambers are in direct communication such that the reciprocation of the compressor piston does not actuate the hammer piston. Each of the pistons is an annular piston having a bleed passageway between its chambers, permitting the chambers to equalize when the pistons are stationary. The superatmospheric pressure is such that the hammer piston reciprocates at a frequency within .+-.20% of natural resonant frequency.
    • 压缩机活塞将第一隔室分成两个压缩室,而锤子活塞将第二隔室分成两个驱动室,每个压缩室连接到相应的一个驱动室,以形成封闭的流体系统, 压缩机活塞引起压缩室中和因此在驱动室中的流体的循环压缩和膨胀,以通过连接到钻头的钻头适配器来实现锤式活塞的循环冲击。 泥浆马达旋转轴以驱动使压缩机活塞往复运动的振荡器。 振荡器可以包括压缩机活塞中的滚子元件,其与轴中的斜槽啮合。 当钻井泥浆驱动马达,然后向下通过冲洗钻头和钻孔时,钻井泥浆与封闭的流体系统隔离。 钻头适配器轴向滑动,使得当钻头不与钻孔底部接触时,钻头适配器和锤子活塞向下移动到两个驱动室直接连通的位置,使得压缩机活塞的往复运动 不致动锤活塞。 每个活塞都是一个环形活塞,在其腔室之间具有排放通道,当活塞处于静止状态时,允许腔室相等。 超大气压力使得锤式活塞以固有谐振频率的+/- 20%内的频率往复运动。
    • 9. 发明授权
    • Percussion drill assembly
    • 冲击钻组件
    • US5662180A
    • 1997-09-02
    • US544296
    • 1995-10-17
    • James E. CoffmanPaul W. CritesPaul B. Campbell
    • James E. CoffmanPaul W. CritesPaul B. Campbell
    • E21B4/00E21B4/14
    • E21B4/00E21B4/14
    • A compressor piston divides a first compartment into two compression chambers, while a hammer piston divides a second compartment into two drive chambers, each of the compression chambers being connected to a respective one of the drive chambers to form a closed fluid system wherein reciprocation of the compressor piston causes cyclic compression and expansion of the fluid in the compression chambers and thus in the drive chambers, to effect a cyclic impacting of the hammer piston with a bit adapter connected to the drill bit. A mud motor rotates a shaft to drive an oscillator which reciprocates the compressor piston. The oscillator can comprise roller elements in the compressor piston in engagement with canted grooves in the shaft. While drilling mud drives the motor and then passes downwardly to flush the drill bit and the borehole, the drilling mud is isolated from the closed fluid system. The bit adapter slides axially, so that when the drill bit is not in contact with a borehole bottom, the bit adapter and the hammer piston move downwardly to a position where the two drive chambers are in direct communication such that the reciprocation of the compressor piston does not actuate the hammer piston. Each of the pistons is an annular piston having a bleed passageway between its chambers, permitting the chambers to equalize when the pistons are stationary. The superatmospheric pressure is such that the hammer piston reciprocates at a frequency within .+-.20% of natural resonant frequency.
    • 压缩机活塞将第一隔室分成两个压缩室,而锤子活塞将第二隔室分成两个驱动室,每个压缩室连接到相应的一个驱动室,以形成封闭的流体系统, 压缩机活塞引起压缩室中和因此在驱动室中的流体的循环压缩和膨胀,以通过连接到钻头的钻头适配器来实现锤式活塞的循环冲击。 泥浆马达旋转轴以驱动使压缩机活塞往复运动的振荡器。 振荡器可以包括压缩机活塞中的滚子元件,其与轴中的斜槽啮合。 当钻井泥浆驱动马达,然后向下通过冲洗钻头和钻孔时,钻井泥浆与封闭的流体系统隔离。 钻头适配器轴向滑动,使得当钻头不与钻孔底部接触时,钻头适配器和锤子活塞向下移动到两个驱动室直接连通的位置,使得压缩机活塞的往复运动 不致动锤活塞。 每个活塞都是一个环形活塞,在其腔室之间具有排放通道,当活塞处于静止状态时,允许腔室相等。 超大气压力使得锤式活塞以固有谐振频率的+/- 20%内的频率往复运动。
    • 10. 发明授权
    • Adjunct processor for providing computer facility access protection via
call transfer
    • 辅助处理器,通过呼叫转移提供计算机设备访问保护
    • US4876717A
    • 1989-10-24
    • US205054
    • 1988-06-03
    • Salvador BarronJames E. Coffman
    • Salvador BarronJames E. Coffman
    • G06F13/00G06F1/00G06F21/00G06F21/20H04Q3/545
    • G06F21/313G06F21/32Y10S379/903
    • This adjunct processor arrangement performs a centralized call screening function to provide computer port access security. Every call origination in the telephone switching system from a calling party to a protected computer port is interdicted by the telephone switching system and routed to the adjunct processor. The calling party receives a series of prompts from the adjunct processor to provide identification information, such as login, password, and voiceprint information. The adjunct processor validates the identity of the calling party using this identification indicia and initiates a callback operation. The adjunct processor disconnects the calling party from the connection, calls the calling party back and then uses the data call transfer capability of the telephone switching system to connect the calling party to the computer.
    • 该附属处理器装置执行集中呼叫筛选功能以提供计算机端口访问安全性。 从主叫方到受保护的计算机端口的电话交换系统中的每个呼叫始发被电话交换系统禁止并被路由到附属处理器。 主叫方从附属处理器接收一系列提示,提供登录,密码和声纹信息等识别信息。 辅助处理器使用该识别标记来验证主叫方的身份,并启动回调操作。 辅助处理器将主叫方从连接断开,呼叫主叫方,然后使用电话交换系统的数据呼叫转移功能将呼叫方连接到计算机。