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    • 1. 发明授权
      US3687228A Seismic impulse generation technique 失效
    • Seismic impulse generation technique
    • 地震脉冲发生技术
    • US3687228A
    • 1972-08-29
    • US3687228D
    • 1970-12-14
    • HAROLD B MORRIS
    • MORRIS HAROLD B
    • G01V1/08 , G01V1/12
    • G01V1/08
    • The specification discloses a technique for generating seismic impulses which includes suspending a plurality of discrete explosive charges one above the other. Detonation wires lead to detonation caps attached to each of the explosive charges. Circuitry generates a plurality of firing pulses which are applied to the detonation wires to sequentially explode the charges from top to bottom. All of the charges are detonated within a time interval less than the time required for the blast from the top charge to destroy the detonation wire leading to the bottom charge. The charges are sequentially detonated at time intervals substantially corresponding to the time of travel of an acoustic pulse through the formations between the adjacent charges.
    • 本说明书公开了一种用于产生地震脉冲的技术，其包括将多个分立的爆炸炸药悬挂在另一个之上。 爆炸线导致每个爆炸装药附带的爆炸盖。 电路产生施加到引爆线的多个点火脉冲，以从上到下依次爆炸电荷。 所有的费用都是在一个时间间隔内被引爆的，这个时间间隔小于从顶部装料爆炸所需的时间，以消除引导底部装药的引爆线。 电荷按照基本对应于声脉冲通过相邻电荷之间的地层的行进时间的时间间隔顺序地引爆。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 2. 发明授权
      US4073363A Method and apparatus for generating a long sequence of seismic pulses 失效
    • Method and apparatus for generating a long sequence of seismic pulses
    • 用于产生长序列地震脉冲的方法和装置
    • US4073363A
    • 1978-02-14
    • US751407
    • 1976-12-16
    • Tom P. Airhart
    • Tom P. Airhart
    • G01V1/112 , G01V1/12
    • G01V1/112
    • Within the stationary, upstanding cylindrical housing of a rapid fire seismic gas exploder an expansible detonation chamber is formed between a base resting on the earth and a piston adapted to move reciprocally. A plurality of separate external gas entry conduits communicate with the detonation chamber at spaced apart inlets in the wall of the housing. Each conduit is supplied from its own separate gas mixer which in turn is interconnected with sources of fuel gas and oxidizing gas through a pair of remotely operable flow control valves. As the pairs of control valves are actuated in timed sequence at a desired rate of fire, successive charges of combustible gas mixture are injected into the detonation chamber, utilizing one mixer and its associated gas entry conduit at a time. Correspondingly timed spark ignition is provided in or adjacent each mixer, resulting in a series of gas explosions in the chamber which coordinates with the reciprocal movement of the piston. By increasing the number of these separate mixer-conduit combinations, a rapid-fire shot sequence of any practical length can be achieved without preignition.
    • 在快速地震气体爆炸的固定的直立的圆柱形外壳内，可放置在地面上的基座和适于往复移动的活塞之间形成一个可扩张的爆炸室。 多个独立的外部气体进入导管在壳体的壁中以间隔开的入口与爆震室连通。 每个导管由其独立的气体混合器提供，气体混合器又通过一对可远程操作的流量控制阀与燃料气体和氧化气体源相互连接。 当所述成对的控制阀以期望的速率按时间顺序被致动时，可燃气体混合物的连续装料每次利用一个混合器及其相关的气体导入管被注入到引爆室中。 相应的定时火花点火设置在每个混合器内或附近，导致在腔室中的一系列气体爆炸，其与活塞的往复运动协调。 通过增加这些单独的混合器 - 管道组合的数量，可以实现任何实际长度的快速射击序列，而无需预先注射。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 3. 发明授权
      US4026382A Repetitive detonation seismic surveying method and apparatus 失效
    • Repetitive detonation seismic surveying method and apparatus
    • 重复爆震地震勘测方法及装置
    • US4026382A
    • 1977-05-31
    • US512035
    • 1974-10-04
    • Harold S. Field , Donald K. Mitchell
    • Harold S. Field , Donald K. Mitchell
    • G01V1/104 , G01V1/20 , G01V1/12 , G01V1/04
    • G01V1/20 , G01V1/104 , Y10S181/401
    • This invention describes an apparatus and method for generating seismic waves in the earth for seismic geophysical prospecting. It involves a slender pipe open at the lower end, which can be driven into the earth to a shallow depth. The upper end is closed. Means are provided for introducing oxygen and acetylene through a pair of control valves and check valves, for a selected period of time. The oxygen and acetylene are mixed in the pipe and flow downward through the pipe and through the perforations into the earth, and fill the voids and fissures in the shallow sediments. Means are provided in the top end of the pipe to detonate the gas mixture. The detonation wave travels down the pipe and eventually reaches the openings at the lower end, and detonates the gas in the pores and fissures of the earth. The resulting explosion opens up the fissures and provides a larger void space than was there before. The seismic waves generated by the explosion are detected in the normal manner by means of transducers, cables, amplifiers, recorders, etc.The pipe is pressed further into the ground as the result of the expansion of the void space, and the operation of filling the void space with combustible gas and detonating the gas is repeated, until on each succeeding operation, the volume of gas introduced becomes large enough to create a seismic wave of sufficient intensity to provide a satisfactory seismic record.
    • 本发明描述了一种在地球上产生地震波用于地震地球物理勘探的装置和方法。 它包括在下端开口的细长管，可以将其驱动到地球到浅的深度。 上端关闭。 提供了用于通过一对控制阀和止回阀在一段选定的时间内引入氧气和乙炔的装置。 氧气和乙炔在管道中混合，向下流经管道并穿过穿孔进入地球，并填充浅层沉积物中的空隙和裂缝。 装置设置在管道的顶端以引爆气体混合物。 爆炸波沿管道行进，最终到达下端的开口，并引爆地球孔隙和裂缝中的气体。 所产生的爆炸开裂裂缝，提供比以前更大的空隙。 爆炸产生的地震波通过传感器，电缆，放大器，录像机等以正常方式进行检测。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 5. 发明授权
      US3802534A Methods of and apparatus for generating seismic signals 失效
    • Methods of and apparatus for generating seismic signals
    • 用于生成地震信号的方法和装置
    • US3802534A
    • 1974-04-09
    • US28326872
    • 1972-08-24
    • AQUITAINE PETROLE
    • BARBIER M , LEON S
    • G01V1/06 , G01V1/104 , G01V1/12
    • G01V1/06 , G01V1/104
    • Seismic waves are produced at a high rate by a method and apparatus which utilise the successive detonation comprising fragmented explosives. Wads of an explosive from 1 to 30 percent as much of a substance intended to lower the electrical resistance of the explosive as there is of said explosive, and from 1 to 30 percent as much of an oxidisable substance as there is of said explosive are propelled, by a compressed gas, along a duct opening into the outside medium. A high voltage is applied between an electrode at the outlet of the duct and an electrode spaced from this outlet, which voltage is applied to the electrodes at an instant determined by the passage of the wad of explosive near the duct outlet.
    • 通过利用包括碎片炸药的连续爆炸的方法和装置以高速度产生地震波。 爆炸物的含量为1％至30％，旨在降低爆炸物的电阻的物质，以及与所述炸药相当的可氧化物质的1％至30％是被推进的 通过压缩气体，沿着通向外部介质的管道。 在管道出口处的电极和与该出口间隔开的电极之间施加高电压，该电压在通过管道出口附近的爆炸物通过确定的瞬间施加到电极。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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