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    • 2. 发明申请
    • DOWNHOLE TUBULAR SEAL SYSTEM AND METHOD
    • 井下管密封系统和方法
    • WO2009032589A2
    • 2009-03-12
    • PCT/US2008/074190
    • 2008-08-25
    • BAKER HUGHES INCORPORATEDHARPER, Jason, M.
    • HARPER, Jason, M.
    • E21B33/13E21B43/10
    • F16L7/02E21B33/1212E21B33/128
    • Disclosed herein is a downhole tubular sealing system. The sealing system includes, a deformable tubular sealable to a first tubular and a second tubular. The deformable tubular includes, a first deformable portion configured to deform in a first radial direction, a second deformable portion configured to deform in a second radial direction, and a third deformable portion configured to deform in the first radial direction. The second deformable portion is positioned longitudinally between the first deformable portion and the third deformable portion and at least one of the first deformable portion and the third deformable portion is sealable to the first tubular when the first deformable portion or the third deformable portion is deformed. Further, the second deformable portion is sealable to the second tubular when the second deformable portion is deformed.
    • 本文公开了一种井下管状密封系统。 密封系统包括可密封成第一管状物和第二管状物的可变形管状物。 可变形管状体包括:构造成沿第一径向变形的第一可变形部分,构造成在第二径向方向变形的第二可变形部分,以及构造成在第一径向方向上变形的第三可变形部分。 所述第二可变形部分纵向定位在所述第一可变形部分和所述第三可变形部分之间,并且当所述第一可变形部分或所述第三可变形部分变形时,所述第一可变形部分和所述第三可变形部分中的至少一个可密封到所述第一管状体。 此外,当第二可变形部分变形时,第二可变形部分可密封到第二管状体。
    • 5. 发明申请
    • DEBRIS CATCHER
    • WO2016186860A1
    • 2016-11-24
    • PCT/US2016/030991
    • 2016-05-05
    • BAKER HUGHES INCORPORATED
    • XU, ZhiyueHARPER, Jason, M.SANCHEZ, James, S.KING, James, G.O'MALLEY, Edward
    • E21B37/00E21B43/08E21B43/10
    • E21B37/00E21B27/005
    • A debris catcher can include an anchor connected to the wellbore tubular and a filter fixed to the anchor. The filter is positioned in a bore of the wellbore tubular and has an disintegrable accelerator material located in a carrier body. The debris catcher formed at least partially of a disintegrable accelerator material located in a carrier body is conveyed in a wellbore tubular. The disintegrable accelerator material is exposed to a downhole material in a subterranean fluid flowing through the wellbore tubular. The debris catcher filters the downhole material. It is emphasized that this abstract is provided to comply with the rules requiring an abstract, which will allow a searcher or other reader to quickly ascertain the general subject matter of the technical disclosure.
    • 碎片捕集器可以包括连接到井眼管的锚固件和固定到锚固件上的过滤器。 过滤器定位在井筒管的孔中,并且具有位于载体主体中的可分解加速器材料。 至少部分形成在位于载体主体中的可分解加速器材料的碎屑捕集器在井眼管中传送。 崩解促进剂材料暴露于流过井筒管的地下流体中的井下材料。 碎屑捕集器过滤井下材料。 要强调的是,提供本摘要以符合要求摘要的规则,这将允许搜索者或其他读者快速确定技术公开的一般主题。
    • 7. 发明申请
    • EXPANDABLE PACKER WITH ANCHORING FEATURE
    • 具有锚定特征的可扩展包装
    • WO2003054349A1
    • 2003-07-03
    • PCT/US2002/040443
    • 2002-12-18
    • BAKER HUGHES INCORPORATED
    • DOANE, James, C.HARPER, Jason, M.BAUGH, John, L.
    • E21B43/10
    • E21B23/06E21B33/1204E21B33/1208E21B33/1216E21B33/129E21B33/1293
    • An expandable packer (P) or anchor is disclosed. It features a gripping device integral to or mounted in a sleeve over the mandrel and mating undulating surfaces to help maintain grip under changing load conditions. Upon expansion, pressure on a sealing element (162) is enhanced by nodes (164,166) to increase internal pressure as it engages an outer tubular. Adjacent retaining rings (168,170) limit extrusion and enhance grip. A gripping device, such as wickers (180,182) on slips, (158,159) preferably digs into the outer tubular. The expansion is preferably by pressure and can incorporate pressure intensifiers (36,228) delivered by slick line or wire line. Release is accomplished by a release tool, which is delivered on slick line or wire line. It stretches the anchor or packer longitudinally, getting it to retract radially, for release. The release tool can be combined with packers or anchors that have a thin walled feature in the mandrel, to release by pulling the mandrel apart.
    • 公开了一种可膨胀封隔器(P)或锚固件。 它具有一个夹紧装置,该夹紧装置与心轴上的套筒一体或安装在套筒上并配合起伏的表面,以帮助在变化的负载条件下保持握力。 膨胀时,节点(164,166)增强了密封元件(162)上的压力,以在与外管接合时增加内部压力。 相邻的保持环(168,170)限制挤出和增强抓地力。 夹紧装置,例如滑盖上的木门(180,182)(158,159)优选地挖入外管。 膨胀优选地是通过压力并且可以包含由光滑线或有线线路递送的压力增强器(36,228)。 释放是通过释放工具完成的,该释放工具在光滑线或有线线上传送。 纵向延伸锚或封隔器,让其径向收缩,释放。 释放工具可以与在心轴中具有薄壁特征的封隔器或锚固件组合,以通过将心轴分开来释放。
    • 8. 发明申请
    • DISINTEGRATNG AGGLOMERATED SAND FRACK PLUG
    • DISINTEGRATNG AGGLOLERATED SAND FRACK PLUG
    • WO2015112869A1
    • 2015-07-30
    • PCT/US2015/012696
    • 2015-01-23
    • BAKER HUGHES INCORPORATED
    • KING, James, G.DOANE, James, C.HARPER, Jason, M.TAYLOR, Robert, J.HERNAEZ, Erwin D.
    • E21B33/12E21B34/06
    • E21B33/1208E21B33/13E21B43/14E21B43/26
    • The frack plug has a sealing element that reforms when set to hold differential pressure. The element is granular with adhesive to hold the granular particles together but allow the shape to reform under setting force. The adhesive can be broken down with a chemical agent or in other ways to allow the seal to reform to the sealing position at the desired depth. As a result the structural components can disintegrate and the seal assembly can fragment into small pieces that can be circulated out of the well or allowed to drop to the hole bottom. The seal can have particles of controlled electrolytic materials (CEM), natural or synthetic sand, swelling or non-swelling rubber. The assembly can contain pellets that selectively release to initiate the breakdown of the structural components of the frack plug.
    • 弹簧插头具有密封元件,当设置为保持压差时,该密封元件将进行改造。 该元件是具有粘合剂的颗粒状的以将颗粒状颗粒保持在一起,但允许形状在凝固力下进行改性。 粘合剂可以用化学试剂分解,或以其它方式使密封件以期望的深度重新形成密封位置。 结果,结构部件可能崩解并且密封组件可能会碎裂成小块,其可以从井中循环出来或允许其下落到孔底部。 密封件可以具有受控电解材料(CEM),天然或合成砂,膨胀或非膨胀橡胶的颗粒。 组件可以包含选择性释放以引发破裂塞的结构部件的击穿的颗粒。