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two-stage cementing collars

Categories Solid Control Equipment
Supply Ability: 100 Set/Sets per Month
Packaging Details: wooden case
Delivery Time: 30days
Port: Tianjin/ Qingdao/Shanghai
Payment Terms: L/C,T/T
MOQ: 1 Set/Sets
Use: Well Drilling
Place of Origin: Henan
Brand Name: zhongshi
Material: main body 35CrMo
FOB Price: US $ 2,000-10,000/ SetGet Latest Price
Machine Type: Drilling Tool
Type: two-stage cementing collar
Category: Locks
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    • Product Details
    • Company Profile

    two-stage cementing collars


    1. economical
    2. non-rotation
    3. easy drill out

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    -Description

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    The multi-stage cementing collar provides an effective, economical way to cement one or more specific casing intervals or to cement upper zones after a lower zone has been cemented. The collar should be used with centralizers aboce and below and a cementing basket positioned below the ports. The operation of the collar is simple and reliable. It features a double locking mechanism consisting of a snap ring lock and ball lock system to assure that the ports are permanently locked closed after cementing is completed. Internal parts are designed to lock to prevent rotation during drill out and are constructed of easily drillable materials.

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    Features

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    1. Opening pressure can be adjusted and it is not subjectiveto hole angle.

    2. The pressure-relief design prevents fluid trapping and compression during the closing phase of the tool's operation.

    3. The I.D of upper/lower sub is the same as that of casing, but smaller than that of closing sleeve, whcih can minimize chances of damages to the closing sleeve.

    4. The inner seats are made of an easily drillable butyronitrile rubber/ aluminum materail.Both the opening and closing seats lock against rotation for easy drill-out.

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    Technical Parameters

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    Specifications,-(in)

    5 1/2"

    7"

    9 5/8"

    13-3/8"

    Max-O.D.,-mm

    Φ170

    Φ208

    Φ283

    Φ381

    -Drill-out-I.D.,-mm

    Φ122

    Φ155

    Φ220

    Φ315

    -Overall-Length,-mm

    1082

    1182

    1222

    1280

    Rated-Load,-t

    140

    170

    210

    300

    Sealing-capacity,-MPa

    25

    25

    25

    25

    Opening-Pressure,-MPa

    13

    13

    13

    14

    -Closing-Pressure,-MPa

    5

    5

    5

    5

    -Lower-Sliding-Sleeve-I.D.,-mm

    Φ85

    Φ115

    Φ176

    Φ203

    Upper-Sliding-Sleeve-I.D.,-mm

    Φ95

    Φ125

    Φ197

    Φ285

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    Quality two-stage cementing collars wholesale
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