沙子管理/控制

研究分析马来西亚近海过油管防砂筛的应用

本文介绍了对过去的油管砂筛安装进行的研究，以了解性能并制定工作流程来改进未来的安装。

图1——2016年安装、2023年回收的TSS。
图1——2016年安装、2023年回收的TSS。
来源：SPE 220610。

作业公司常规使用过油管防砂筛管 (TTSS) 来减少海上油井的出砂。在现有油管内部或末端安装外径较小的绕丝筛管或优质网筛，用于过滤失效主控防砂层中的砂粒。鉴于作业公司每年多次重复安装 TTSS，我们对过去的 TTSS 安装情况进行了研究，以评估其性能并制定工作流程，旨在改进未来的安装。

TTSS性能分析

自2009年以来，马来西亚东部的海上油井已安装了125套TTSS。这些修复筛管适用于各种类型的完井作业。研究人员收集了这些TTSS装置的参数，包括筛管类型、长度、开口尺寸和安装深度，并根据其净使用寿命绘制了交会图，以识别参数与安装性能之间的相关性。

方法论。以下步骤用于进行 TTSS 性能分析：

  • 从井干预历史和井眼图中提取数据，以确定马来西亚东部每个 TTSS 的安装和检索日期。
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Sand management/control

Study Analyzes Through-Tubing Sand-Screen Application Offshore Malaysia

This paper presents a study conducted on past through-tubing sand-screen installations to understand performance and develop a workflow to improve future installations.

Fig. 1—TTSS installed in 2016 and retrieved in 2023.
Fig. 1—TTSS installed in 2016 and retrieved in 2023.
Source: SPE 220610.

Through-tubing sand screens (TTSS) are used routinely by the operator to mitigate sand production in offshore wells. A smaller outer-diameter wire-wrap or premium mesh screen is retrofitted inside or set at the end of an existing tubing to filter sand ingress from a failed primary sand-control zone. Given the many recurring annual installations performed by the operator, a study was conducted on past TTSS installations to evaluate performance and develop a workflow with the aim of improving future installations.

TTSS Performance Analysis

One hundred and twenty-five TTSS installations have been made in offshore wells in eastern Malaysia since 2009. The remedial screens are installed in various types of completions. Parameters from these TTSS installations, including screen type, length, opening size, and installation depth were collected and analyzed against net service life in a crossplot to identify any correlations between the parameter and the installation performance.

Methodology. The following steps were used to conduct the TTSS performance analysis:

  • Data were extracted from well-intervention histories and wellbore diagrams to determine installation and retrieval dates for each TTSS across eastern Malaysia.
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