石油钻采设备机械加工-「其他石油钻采机械」-马可波罗网

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石油钻采设备机械加工

<ol><li><strong>方钻杆</strong><strong><span style= "FONT-FAMILY: Verdana ">Kelly</span></strong></li></ol><p><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana "> </span></p><p><span style= "FONT-SIZE: 9pt ">方钻杆位于钻柱的最上端，分为四方钻杆和六方钻杆，下部与钻杆连接。在钻井钻进时，方钻杆与方补心、转盘补心配合，传递扭矩和承受钻柱的全部重量。为了循环泥浆和有效地传递扭矩，方钻杆断面制成中空的正方形或六边形。石油钻井大型钻机都用四棱方钻杆，地质勘探小型钻机用六棱方钻杆。</span></p><p><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana "> </span></p><p><span style= "FONT-SIZE: 9pt ">方钻杆由于所处的工作条件十分繁重，要求它具有较高抗拉强度和抗扭强度。所以方钻杆壁厚比一般钻杆大三倍左右，而且多用强度较大的优质合金钢制成。</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">API</span><span style= "FONT-SIZE: 9pt ">标准方钻杆用</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">D</span><span style= "FONT-SIZE: 9pt ">、</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">E</span><span style= "FONT-SIZE: 9pt ">级或高强度的合金钢</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">AISI4145</span><span style= "FONT-SIZE: 9pt ">钢制成。要求保证制造质量的均衡性。公司现有</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">2 7/8″</span><span style= "FONT-SIZE: 9pt ">～</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">6 5/8″</span><span style= "FONT-SIZE: 9pt ">各种规格的四方钻杆和六方钻杆。</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana "> </span></p><p><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana "> </span></p><p><span style= "FONT-SIZE: 9pt ">四方钻杆和六方钻杆是使用</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">AISI 4145H</span><span style= "FONT-SIZE: 9pt ">合金钢制造，全部长度经过热处理，产品的布氏硬度为</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">285-341HB</span><span style= "FONT-SIZE: 9pt ">，夏比冲击功为大于等于</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">54J</span><span style= "FONT-SIZE: 9pt ">，并且在管体表面下</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">1</span><span style= "FONT-SIZE: 9pt ">”处保证该机械性能。方钻杆末端和驱动截面，内部尺寸和接头是按照</span><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana ">SY/T6509-2000</span><span style= "FONT-SIZE: 9pt ">进行加工和检验。</span></p><p><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana "> </span></p><p><strong><span style= "FONT-SIZE: 9pt ">询价或订货需指定：</span></strong><strong></strong></p><p><span style= "FONT-SIZE: 9pt ">◆<span style= "FONT: 7pt 'Times New Roman' ">     </span></span><span style= "FONT-SIZE: 9pt ">方钻杆的类型（四方或六方）</span></p><p><span style= "FONT-SIZE: 9pt ">◆<span style= "FONT: 7pt 'Times New Roman' ">     </span></span><span style= "FONT-SIZE: 9pt ">驱动尺寸和长度</span></p><p><span style= "FONT-SIZE: 9pt ">◆<span style= "FONT: 7pt 'Times New Roman' ">     </span></span><span style= "FONT-SIZE: 9pt ">上、下接头尺寸和类型</span></p><p><span style= "FONT-SIZE: 9pt; FONT-FAMILY: Verdana "> </span></p>

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