Anti-break Sinker Bar
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Anti-break Sinker Bar
Introduction
Anti-break sinker bar is mainly applicable to deviated well, horizontal well and heavy oil well. Due to the large contact force between sucker rod and tubing, the downward oil has high resistance, it often makes sucker rod difficult to move downwards. The combination of the anti-break sinker bar and the anti-break sucker rod can solve the tripping problem of rod string caused by alternating torque.
Mechanical Property
|
等 级Grade
|
抗拉强度Rm
|
屈服强度REl（0.2%的残余变形）Mpa
|
伸长率A
|
端面收
|
|
Mpa
|
Yield Strength
|
200mm%
|
缩率Z%
|
|
|
Tensile Strength
|
|
Elongation
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Reduction of area
|
|
|
C（1级）
|
621-793
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≥414
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≥13
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≥50
|
|
K（2级）
|
621-793
|
≥414
|
≥13
|
≥60
|
|
D（3级）
|
793-965
|
≥586
|
≥10
|
≥50
|
|
KD（4级）
|
793-965
|
≥586
|
≥10
|
≥50
|
Technical Parameters
|
规格Spec
|
杆体直(mm)
Rod Dia. |
螺纹名义直径（in）
Thread Nominal Dia. |
螺纹直径(mm)
Thread Dia. |
长度L(mm)
Length |
|
38
|
38
|
3/4"
|
26.99
|
6000
7620 8000 9140 |
|
7/8"
|
30.16
|
|||
|
1"
|
34.89
|
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