公开(公告)号：US06543545B1

公开(公告)日：2003-04-08

申请号：US09698327

申请日：2000-10-27

申请人： Jiten Chatterji ,  R. Ashley Donaldson ,  Ronald G. Dusterhoft ,  Tommy Frank Grigsby ,  Travis T. Hailey, Jr. ,  Jackie M. LaFontaine ,  Philip D. Nguyen ,  John Podowski ,  Alex Procyk ,  Sanjay Vitthal

发明人： Jiten Chatterji ,  R. Ashley Donaldson ,  Ronald G. Dusterhoft ,  Tommy Frank Grigsby ,  Travis T. Hailey, Jr. ,  Jackie M. LaFontaine ,  Philip D. Nguyen ,  John Podowski ,  Alex Procyk ,  Sanjay Vitthal

IPC分类号： E21B4308

CPC分类号： E21B43/108 ,  E21B43/04 ,  E21B43/08 ,  E21B43/103

摘要： In general, a method is provided for completing a subterranean wellbore, and an apparatus for using the method. The method comprises positioning an expandable sand-control device in the wellbore thereby forming an annulus between the sand-control device and the wellbore; depositing a filter media in the annulus; and after the depositing step, radially expanding the sand-control device to decrease the volume of the annulus. The sand control device can be a sand screen or slotted or perforated liner having radially extending passageways in the walls thereof, the passageways designed to substantially prevent movement of the particulate material through the passageways and into the sand-control device. Where a slotted liner is desired, the passageways can be plugged during positioning and later unplugged for production. The filter media is typically a particulate material and can be deposited as a slurry comprising liquid material and particulate material, or as a cement slurry. The step of expanding the sand-control device further includes squeezing at least a portion of the liquid of the slurry through the sand-control device passageways thereby forming a pack in the wellbore annulus. The liquid material can be water-based, oil-based or emulsified and can include gelling agents. Further, the particulate can be resin coated with a delayed activation of the resin. The filter media can also be a foam system. The foam can also include decomposable material which can be decomposed after placement of the foam in the annulus.

摘要翻译： 通常，提供了一种用于完成地下井眼的方法，以及使用该方法的装置。 该方法包括将可扩展的砂控装置定位在井眼中，从而在砂控装置与井眼之间形成环形空间; 在环空中沉积过滤介质; 并且在沉积步骤之后，径向扩张砂控制装置以减小环的体积。 砂控制装置可以是在其壁中具有径向延伸的通道的砂筛或开槽或穿孔的衬套，所述通道设计成基本上防止颗粒材料通过通道并进入防砂装置的运动。 在需要开槽衬管的地方，通道可以在定位期间被堵塞，并且稍后拔下来进行生产。 过滤介质通常是颗粒材料，并且可以作为包含液体材料和颗粒材料的浆料或作为水泥浆料沉积。 膨胀砂控装置的步骤还包括通过砂控装置通道挤压浆料的至少一部分液体，从而在井筒环中形成包装。 液体材料可以是水基的，油基的或乳化的，并且可以包括胶凝剂。 此外，颗粒可以被树脂涂覆以延迟活化树脂。 过滤介质也可以是泡沫体系。 泡沫还可以包括可分解的材料，其可以在将泡沫放置在环空中后分解。