公开(公告)号：US5468153A

公开(公告)日：1995-11-21

申请号：US168816

申请日：1993-12-15

申请人： Robert L. Brown ,  John D. Holodnak ,  Gene McBride ,  Demmie L. Mosley

发明人： Robert L. Brown ,  John D. Holodnak ,  Gene McBride ,  Demmie L. Mosley

IPC分类号： E21B17/02 ,  E21B17/05 ,  H01R39/64 ,  H01R39/00

CPC分类号： E21B17/05 ,  E21B17/028 ,  H01R39/64

摘要： A rotatable electrical connector or swivel is used in a substantially vertical subterranean portion of a drill string within a drill pipe. The swivel has an enclosed oil filled chamber having a first shaft concentrically mounted therein. The first shaft protrudes from the chamber and is electrically connected to one end of a wireline which is used for electrical connection between the surface and instruments located downhole. Within the interior of the oil filled chamber the first shaft is attached to a first member disposed within the complementary surface of a second member concentrically aligned with the first member. The second member includes a second shaft which protrudes from the oil filled chamber and is connected to the other end of the wireline. One of the two shafts is rotatably mounted in bearing within the chamber so that the complementary surfaces of the first and second members are in the relationship of a rotor and stator. Continuous, electrical contact between the rotor and stator surfaces are assured by placement of a plurality of berrylium copper wire spring wipers between the rotors and stators. The enclosure of the oil filled chamber, includes an elastic member which permits equalization of the internal oil pressure within the chamber with the external hydrostatic pressure of the drilling fluid or other fluid present in the drill pipe.

摘要翻译： 可旋转的电连接器或旋转件用于钻杆内的钻柱的基本垂直的地下部分。 旋转体具有封闭的充满油的腔室，其具有同心地安装在其中的第一轴。 第一轴从腔室突出并且电连接到电缆的一端，该线缆用于位于井下的表面和仪器之间的电连接。 在充油室的内部，第一轴附接到设置在与第一构件同心对准的第二构件的互补表面内的第一构件。 第二构件包括从充油室突出并连接到电缆的另一端的第二轴。 两个轴中的一个可旋转地安装在腔室内的轴承中，使得第一和第二构件的互补表面处于转子和定子的关系。 通过在转子和定子之间放置多个berrylium铜线弹簧擦拭器来确保转子和定子表面之间的连续的电接触。 充油室的外壳包括弹性构件，其允许室内的内部油压与钻井液中存在的钻井液或其它流体的外部静水压力平衡。

公开(公告)号：US06173606B1

公开(公告)日：2001-01-16

申请号：US09262948

申请日：1999-03-04

申请人： Demmie L. Mosley

发明人： Demmie L. Mosley

IPC分类号： G01N500

CPC分类号： E21B47/0005 ,  G01V1/46

摘要： A &ggr;-ray tool and acoustic logging instrument combination includes in an elongated housing a transmitter for sound and at least one and preferably two, sound sensors located at predetermined distances above the transmitter. The sound sensors are separated from the sound transmitter by a steel tube that has a layer of lead bonded onto its exterior surface and has electronic components of the instrument placed into its interior. The portion of the housing that surrounds the lead bonded steel tube consists of fiberglass, polytetrafluoroethylene (TEFLON®) or other material which does not conduct sound whereby the lead-bonded tube and the immediate housing around it act as a sound isolator bar. The transmitter and the sound sensors are surrounded by portions of the housing that comprises slotted steel to allow free flow of acoustic energy through these portions of the housing. The &ggr;-ray detector is enclosed in the housing, preferably above the sound sensors at a portion of the steel pipe not having a layer of lead around its circumference. Because of the placement of electronic components into the interior of the isolator bar and through the sensors and transducers themselves, the overall length of the instrument is reduced to approximately 8½ feet or less not including the length of a centralizer nor of a case collar locator that is usually attached to the instrument combination.

摘要翻译： 伽马射线工具和声学测井仪器组合包括在细长壳体中的用于声音的发射器和位于发射器上方预定距离处的至少一个且优选两个声音传感器。 声音传感器通过钢管与声音发射器分离，该钢管具有结合到其外表面上的铅层并且将仪器的电子部件放置在其内部。 围绕引线接合钢管的壳体部分由玻璃纤维，聚四氟乙烯（TEFLON）或其他不会引起声音的材料组成，其中引线键合管和其周围的直接外壳用作隔音杆。 发射器和声音传感器被壳体的包括开槽钢的部分包围，以允许声能自由流过壳体的这些部分。 伽马射线检测器被封装在壳体中，优选地在声传感器的上方，钢管的不具有围绕其圆周的铅层的部分。 由于将电子部件放置在隔离杆的内部并且通过传感器和换能器本身，所以仪器的总长度减小到大约8½英尺或更小，不包括中心器的长度以及壳体定位器的长度 通常附在仪器组合上。

公开(公告)号：US06222350B1

公开(公告)日：2001-04-24

申请号：US09489103

申请日：2000-01-21

申请人： Demmie L. Mosley

发明人： Demmie L. Mosley

IPC分类号： G05F1613

CPC分类号： G05F1/56 ,  G05F3/18

摘要： A high voltage shunt regulator circuit includes a high voltage device with a predetermined reverse-conduction threshold connected in series with a thermal compensation device comprising a plurality of gate threshold amplifiers connected in series with one another. The high voltage device includes a plurality of zener diodes connected in series. Each of the gate threshold amplifiers includes a resistive voltage divider and a voltage-controlled resistive device, preferably a MOSFET. The voltage divider is formed by first and second resistors connected in series between first and second terminals of the gate threshold amplifier, with a MOSFET having its drain connected to the first terminal, its source connected to the second terminal, and its gate connected to an intermediate tap of the voltage divider. The zener diodes provide high voltage regulation (up to at least about 1600V), while the thermal compensation device exhibits a negative temperature coefficient that substantially offsets the positive temperature coefficient of the zener diodes. This allows efficient operation at temperatures at least as high as about 200° C. The gate threshold amplifiers, each including a voltage-controlled resistive device, allow operation at low shunt regulation currents, i.e., on the order of about 25 &mgr;amps to about 500 &mgr;amps.

摘要翻译： 高压分流调节器电路包括具有与包括彼此串联连接的多个栅极阈值放大器的热补偿装置串联连接的预定反向导通阈值的高压装置。 高电压装置包括串联连接的多个齐纳二极管。 每个栅极阈值放大器包括电阻分压器和压控电阻器件，优选地是MOSFET。 分压器由栅极阈值放大器的第一和第二端子串联连接的第一和第二电阻器形成，MOSFET的漏极连接到第一端子，其源极连接到第二端子，并且其栅极连接到 分压器的中间抽头。 齐纳二极管提供高电压调节（高达至少约1600V），而热补偿器件呈现出基本上抵消齐纳二极管的正温度系数的负温度系数。 这允许在至少高达约200℃的温度下进行有效的操作。每个包括压控电阻器件的栅极阈值放大器允许在低分流调节电流下操作，即约25μA至约500 muamps。

公开(公告)号：US5700969A

公开(公告)日：1997-12-23

申请号：US640087

申请日：1996-04-30

申请人： Demmie L. Mosley

发明人： Demmie L. Mosley

IPC分类号： E21B43/1185 ,  F42D1/05 ,  F42D1/055 ,  F42B3/00 ,  F42B3/10

CPC分类号： E21B43/1185 ,  F42D1/05 ,  F42D1/055

摘要： A select fire gun assembly for jet perforating includes a plurality of shaped charges capable of being detonated by blasting caps activated by passage of current through the cap. The first electric terminal of each blasting cap of the gun assembly is grounded. A second terminal of each blasting cap is connected through an electronic switch to the output of a diode, with the input of the diode being connected to the logging cable. The polarity of the diodes are arranged in alternative sequence. The gate of the electronic switch is also connected to the diode through a large resistor and to the ground or a dart through another resistor. These electronic switches are closed when the gate is grounded. Current can flow through the blasting cap only when the gate is grounded and when the diode associated with the blasting cap is of the appropriate polarity to allow current to pass through.

摘要翻译： 用于喷射射孔的选择的火枪组件包括多个成形的装药，其能够被通过电流通过帽激活的爆破帽引爆。 枪组件的每个喷砂帽的第一个电气端子接地。 每个喷砂帽的第二个端子通过电子开关连接到二极管的输出端，二极管的输入端连接到测井电缆。 二极管的极性以其他顺序排列。 电子开关的栅极还通过大电阻器连接到二极管，并通过另一个电阻器连接到地或者飞镖。 当门接地时，这些电子开关闭合。 只有当栅极接地时，与爆破盖相关的二极管具有适当的极性才允许电流通过，电流才能流过爆破帽。

公开(公告)号：US5531164A

公开(公告)日：1996-07-02

申请号：US438403

申请日：1995-05-10

申请人： Demmie L. Mosley

发明人： Demmie L. Mosley

IPC分类号： E21B43/1185 ,  F42D1/05 ,  F42D1/055 ,  F42B3/00

CPC分类号： F42D1/05 ,  E21B43/1185 ,  F42D1/055

摘要： A select fire gun assembly for jet perforating includes a plurality of shaped charges capable of being detonated by blasting caps activated by passage of current through the cap. The first electric terminal of the blasting cap on the bottom of the assembly is grounded. The remaining blasting caps are electrically connected to a dart that grounds only after the charge below has been detonated. The other terminal of each blasting cap is connected to the logging cable through a first diode, and these diodes are arranged in sequentially alternating polarity. The first terminal of each cap is also connected electrically through a large resistor to the gate of an electronic switch which is closed either by positive or negative voltage, depending on the nature of the switch. The switch is open when the gate is grounded. The electronic switch is incorporated in series with the logging cable. Positive and negative gated electronic switches are connected to the blasting caps in alternative sequence. A second diode is placed in series with the logging cable and parallel with the electronic switch that is associated with each blasting cap. The first and second diodes are arranged in opposite polarity to one another, and the electronic switch is in opposite polarity with the corresponding second diode. The diodes, electronic switch and the resistor for each cap is incorporated in an electronic module, the lead wires of which are mounted to the logging cable, blasting cap and the dart.

摘要翻译： 用于喷射射孔的选择的火枪组件包括多个成形的装药，其能够被通过电流通过帽激活的爆破帽引爆。 组件底部爆破帽的第一个电气端子接地。 剩余的爆破帽电气连接到只在下面的充电被引爆之后的飞镖。 每个喷砂帽的另一个端子通过第一二极管连接到测井电缆，并且这些二极管按顺序交替的极性排列。 每个盖子的第一端子也通过大电阻器电连接到电子开关的栅极，电子开关的栅极由正或负电压关闭，这取决于开关的性质。 当门接地时，开关打开。 电子开关与测井电缆串联。 正极和负极门控电子开关以替代顺序连接到爆破盖。 第二个二极管与测井电缆串联放置，并与与每个爆破盖相关联的电子开关平行放置。 第一和第二二极管彼此相反极地布置，电子开关与对应的第二二极管相反极性。 用于每个盖子的二极管，电子开关和电阻器被并入电子模块中，其引线被安装到测井电缆，喷砂帽和飞镖。