标准流量控制装置WX可选择系统 33

每个系统的组成 系统 缩颈短节 坐落接头 锁芯 一次下井瓜型平衡总成 二次下井杆型平衡总成 固定阀（带平衡装置） 选择性测试工具（带球形单流阀） WX 无 WX WX WXX WPX T.07 WXN 底部 WXN WXN WXX WPX WRB-2 WOR 无 WOR WOR WRR WPR WRN 底部 WRN WRN WRR WPR WRB-2 WF 顶部 WF WFB-2 WR 底部 WR WRB-2 34

Weatherford Standard Flow Controls Systems

include a wide range of longes tablished, industry standard flow control

equipment, including nipples, lock mandrels, plugs, standing valves and every flow control accessory. Where the traditional components for the system fall short of current performance criteria, for example lock mandrels with hinged trailing dogs, Weatherford provides modern, fully engineered, retrofit equipment to suit the downhole nipple profile in question. Where a particular flow control item proves to provide superior performance, Weatherford has engineered that solution for use across the whole range of industry standard profiles, ensuring the best performance from the available technology. Standard Flow Controls are the appropriate choice for conventional, economical, flow control requirements. For high performance, high pressure, flow controls tosuit exacting completion architecture, please refer to the Weatherford Uniset

Two separate systems are covered by Standard Flow Controls. The first is a fully selective (WX & WOR) and bottom no-go (WXN & WRN) system. The lock mandrels for this system are identified the same way as the equivalent landing nipple WX, WXN,WOR, WRN The second is a top no-go (WF) and bottom no-go (WR) system. CLF & CLR Retrofit locks are available for WF & WR

nipples. These are internal fishing neck, siton-the-no-go CL Lock Mandrels that take the same packing and same plug bottoms as the WX/WXN Locks allowing great efficiencies in inventory and operational flexibility. The running tool includes a telltale indicator to confirm correct installation. Consult your WCS Flow Control representative for more information. Includes blank cap Performance Criteria

The pressure rating for all Weatherford Standard Flow Controls is 5,000 psi working pressure unless otherwise stated in the relevant Technical Data Book. Seal bore sizes are limited to traditional stepped increments for each tubing size and weight.

The two standard material specifications are

? AISI 4140 low alloy steel for standard service ? 9Cr-1Mo for sour service.

Each system comprises: System No-Go Landing nipple Lock mandrel One run,melon type equalizing assembly Two run,prong type equalizing assembly Standing Valves(with equalisotion) Selective test tool(with Ball Check0

WX None WX WX WXX WPX T.07 WXN Bottom WXN WXN WXX WPX WRB-2 WOR None WOR WOR WRR WPR WRN Bottom WRN WRN WRR WPR WRB-2 WF Top WF WFB-2 WR Bottom WR WRB-2 35

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