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首页> 外文会议>Latin American petroleum industry: opportunities and realities >Field Use of Temporary Fluid-Loss Control Pill During Deepwater Completions in High-Permeability Formations
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Field Use of Temporary Fluid-Loss Control Pill During Deepwater Completions in High-Permeability Formations

机译：高渗透性地层深水完井过程中临时使用防失水剂

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摘要

Anew fluid-loss control agent has helped minimize the criticalrnproblems of fluid loss to the formation and its adverse effects onrngravel-pack completions in the Campos basin. In Brazil’s offshorerncompletions, the fluid-loss problem is magnified becausernof expensive environmentally tiendly fluids, lost rig time, wellcontrolrnstandards, and safety requirements for ultra-deep waterrncompletions.rnSince 1996, the operator has accomplished a number ofrncased-hole gravel-pack completions for offshore wells. Fluidrnloss to the formation before and after gravel-pack placement wasrnone of the problems encountered in these deepwater projects.rnThroughout industry literature, fluid loss and possible solutionsrnhave been recognized as an important factor when optimumrnproductivity from well completions is sought. If the problem isrnignored, significant formatioticompletion damage can resultrnduring the gravel-packprocess. Lost-circulation material (LCM)rnpills and formation unloading (and its chemical side-effects onrnthe rock’s compressive strength) can cause formation impairmentrnwhen losses occur.rnThese nondamaging fluid pills have reduced damage-relatedrnproblems, yielded substantial savings in rig time andrnmaterials expenditure, complied with safety standards, and providedrnhigh reliability.
机译：一种新型的失水控制剂已帮助最大限度地减少了对地层的失水问题及其对坎波斯盆地砾石充填完井的不利影响。在巴西的海上完井作业中，漏油问题被放大了，因为昂贵的环境友好流体，钻机时间损失，良好的控制标准以及超深水完井作业的安全要求。自1996年以来，操作员已为海上作业完成了许多套管井砾石充填完井工程井。在这些深水项目中，砾石充填之前和之后的地层失水问题是解决这些问题的根本原因。如果该问题被忽略，则砾石充填过程可能会造成严重的格式化完全破坏。散失材料（LCM）丸和地层卸荷（及其对岩石抗压强度的化学副作用）会在发生损失时引起地层损害。这些非破坏性流体丸减少了与损害相关的问题，大大节省了钻机时间并节省了材料费用符合安全标准，可靠性高。

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