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公开(公告)号：US3999617A
公开(公告)日：1976-12-28
申请号：US617623
申请日：1975-09-29
摘要： Apparatus and method for drilling a well into a submerged bottom from a floating drilling vessel while employing a riser pipe having positive buoyancy is disclosed. The riser pipe extends between the vessel and the well and is comprised of an upper and a lower section. Means are connected to the lower section for imparting a buoyant force to it of sufficient magnitude to render it positively buoyant. Means are provided extending between the submerged bottom and the upper end of the positively buoyant riser section for restraining the lower section against upward movement. The upper section of the riser pipe may be disconnected from the lower section so that the vessel may abandon the well site. The lower riser section is left self-standing, connected to the wellhead.
摘要翻译： 公开了一种用于在使用具有正浮力的提升管的情况下从浮动钻井器钻井的井的装置和方法。 提升管在容器和井之间延伸并且包括上部和下部。 装置连接到下部，以赋予足够大的浮力以使其积极地浮起。 提供了在积极浮力提升管部分的浸没底部和上端之间延伸的装置，用于限制下部部分防止向上移动。 提升管的上部可以从下部断开，以便容器可以放弃井位。 下立管部分自立，连接到井口。
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公开(公告)号：US4090395A
公开(公告)日：1978-05-23
申请号：US782108
申请日：1977-03-28
CPC分类号： G01M3/2853 , E21B47/1025 , G01M3/2876
摘要： Method and apparatus are disclosed for testing the pressure integrity of blowout preventers and wellhead casing hanger seals. An annular pressure chamber between the blowout preventer and wellhead casing hanger is formed by closing the blowout preventer on a tubular member having a test plug which seats within and sealingly engages the casing hanger. Pressure sensing means disposed along the length of the tubular member are used to monitor pressure above, below and within the annular chamber. Pressure changes detected by the sensing means are indicative of leakage across the blowout preventer or wellhead casing seal.
摘要翻译： 公开了用于测试防喷器和井口套管衣架密封件的压力完整性的方法和装置。 在防喷器和井口套管悬挂器之间的环形压力室通过在具有位于壳体悬挂器内并密封地接合壳体悬挂器的测试塞的管状构件上闭合防喷器而形成。 沿着管状构件的长度设置的压力感测装置用于监测环形室内，下方和内部的压力。 由感测装置检测到的压力变化表示穿过防喷器或井口套管密封件的泄漏。
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公开(公告)号：US3981357A
公开(公告)日：1976-09-21
申请号：US546490
申请日：1975-02-03
CPC分类号： E21B7/128 , E21B17/012
摘要： An improved marine riser is described which is comprised of a plurality of conduit sections joined together end to end. Buoyancy cans for retaining a compressed gas are flexibly connected to the riser at selected locations along its length and form a fluid tight seal therewith.
摘要翻译： 描述了一种改进的海洋立管，其由多个连接在一起的导管段组成。 用于保持压缩气体的浮力罐沿着其长度在选定位置处柔性地连接到提升管，并与其形成流体密封。
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公开(公告)号：US4858691A
公开(公告)日：1989-08-22
申请号：US206209
申请日：1988-06-13
CPC分类号： E21B43/088 , E21B43/045
摘要： A method and apparatus are provided for use on a subterranean well gravel packing conduit. The apparatus incorporates a cylindrically shaped inner tubular member having an interior wall and an exterior wall. A fluid flow passageway is defined within the interior wall of the tubular member and fluid flow passage means extends from the interior of the tubular member through the exterior wall and communicates with the fluid flow passageway. In a preferred embodiment, an outer fluid-porous means, or particulate restricting means is carried around the exterior wall of the tubular member having its interior facing the tubular member. Wire mesh means are disposed between the exterior wall of the tubular member and the interior of the particulate-restricting means, and passing across the fluid flow passage means, with fluid flow openings therethrough, to enable fluid passing through the particulate restricting means and the wire mesh means to be filtered to prevent solids of a predeterminable size from passing into the fluid flow passage means, to the top of the well. The device may be utilized in a number of well completion hook-ups, such as in non-vertical completion apparatuses and methods.
摘要翻译： 提供了一种在地下井砾石填充管道上使用的方法和装置。 该装置包括具有内壁和外壁的圆柱形内管状构件。 流体流动通道限定在管状构件的内壁内，并且流体流动通道装置从管状构件的内部延伸通过外壁并与流体流动通道连通。 在优选实施例中，外部流体 - 多孔装置或颗粒限制装置被携带在管状构件的外壁周围，其内部面向管状构件。 丝网装置设置在管状构件的外壁和颗粒限制装置的内部之间，并且通过流体流动通道穿过流体流动开口，以使流体能够通过颗粒限制装置和导线 网状装置被过滤以防止可预定尺寸的固体进入流体流动通道装置，进入井的顶部。 该装置可以用于多个完井挂钩中，例如在非垂直完成装置和方法中。
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公开(公告)号：US4147221A
公开(公告)日：1979-04-03
申请号：US821853
申请日：1977-08-04
IPC分类号： E21B7/128 , E21B19/00 , E21B43/017 , E21B15/02
CPC分类号： E21B43/017 , E21B19/002 , E21B7/128
摘要： A marine riser system for use in deep water drilling operations from a floating vessel is disclosed. The riser system permits detachment of the lower end of the riser from the wellhead enabling the riser to be set aside to a position which is clear of the wellhead. Support means adjacent the wellhead can be used to support and position the riser when it is set aside. Tensioners, support mechanisms and guidance means are provided to move the riser back and forth between the wellhead and support means. In this manner, casing and tools having diameters larger than that of the riser can be inserted into the wellhead without returning the riser to the surface. Drilling operations with large diameter drill bits can also be conducted with the riser in the set aside position.
摘要翻译： 公开了一种用于从浮式船舶进行深水钻井作业的船用立管系统。 提升管系统允许将提升管的下端从井口分离，使得提升管能够被放置在远离井口的位置。 靠近井口的支撑装置可以用于在立管放置时支撑和定位立管。 提供张紧器，支撑机构和引导装置以在井口和支撑装置之间来回移动提升器。 以这种方式，直径大于提升管直径的套管和工具可以插入井口中，而不将提升管返回到表面。 具有大直径钻头的钻孔操作也可以在提升管处于搁置位置的情况下进行。
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公开(公告)号：US4131287A
公开(公告)日：1978-12-26
申请号：US814080
申请日：1977-07-11
CPC分类号： E21B33/04 , F16J15/185 , E21B2033/005
摘要： A pressure energized seal to seal an annulus between two concentric cylindrical members, particularly well suited to be used as an annular casing seal in an oil and gas well. A circular sealing ring has both its upper and lower surfaces channeled to leave two upper sealing lips and two lower sealing lips which effect the seal by being forced against the sealing surfaces of the cylindrical members. Two circular setting rings can be used to spread the sealing lips into sealing engagement with the sealing surfaces of the cylindrical members. The setting rings would be partially disposed within the channels of the sealing ring and adapted to spread the sealing lips when the setting rings are moved toward the sealing ring.
摘要翻译： 用于密封两个同心圆柱形构件之间的环空的压力通电密封件，特别适合用作油气井中的环形套管密封件。 圆形密封环的上下表面被引导以留下两个上密封唇和两个下密封唇，其通过被迫抵靠圆柱形构件的密封表面而受到密封。 可以使用两个圆形环形环来将密封唇扩展成与圆柱形构件的密封表面密封接合。 固定环将部分地设置在密封环的通道内，并且适于在固定环向密封环移动时扩散密封唇。
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