石油钻探技术
石油鑽探技術
석유찬탐기술
PETROLEUM DRILLING TECHNIQUES
2015年
2期
126-129
,共4页
聚晶金刚石复合片钻头%胎体%制作工艺%碳化钨
聚晶金剛石複閤片鑽頭%胎體%製作工藝%碳化鎢
취정금강석복합편찬두%태체%제작공예%탄화오
polycrystalline diamond compact (PDC) bit%matrix%manufacturing process%tungsten carbide
为降低胎体式PDC钻头的制造成本，并保证钻头的强度，利用计算机三维设计技术重新设计了PDC钻头内部钢芯的结构。分步进行了烧结刀翼小样和 PDC钻头基体试验，并进行了相应的温度试验、强度试验、复合片焊接试验和现场试验，未发生基体表面破裂、碳化钨胎体脱落现象，验证了新工艺的可靠性。对比了采用新工艺和原有工艺制作φ215.9 mm 5刀翼胎体式PDC钻头基体的成本，结果表明，采用新工艺钻头基的制作体成本降低了54％。研究表明，采用新工艺制作胎体式PDC钻头基体的成本明显降低，强度可靠，完全可以满足现场使用要求，具有推广应用价值。
為降低胎體式PDC鑽頭的製造成本，併保證鑽頭的彊度，利用計算機三維設計技術重新設計瞭PDC鑽頭內部鋼芯的結構。分步進行瞭燒結刀翼小樣和 PDC鑽頭基體試驗，併進行瞭相應的溫度試驗、彊度試驗、複閤片銲接試驗和現場試驗，未髮生基體錶麵破裂、碳化鎢胎體脫落現象，驗證瞭新工藝的可靠性。對比瞭採用新工藝和原有工藝製作φ215.9 mm 5刀翼胎體式PDC鑽頭基體的成本，結果錶明，採用新工藝鑽頭基的製作體成本降低瞭54％。研究錶明，採用新工藝製作胎體式PDC鑽頭基體的成本明顯降低，彊度可靠，完全可以滿足現場使用要求，具有推廣應用價值。
위강저태체식PDC찬두적제조성본，병보증찬두적강도，이용계산궤삼유설계기술중신설계료PDC찬두내부강심적결구。분보진행료소결도익소양화 PDC찬두기체시험，병진행료상응적온도시험、강도시험、복합편한접시험화현장시험，미발생기체표면파렬、탄화오태체탈락현상，험증료신공예적가고성。대비료채용신공예화원유공예제작φ215.9 mm 5도익태체식PDC찬두기체적성본，결과표명，채용신공예찬두기적제작체성본강저료54％。연구표명，채용신공예제작태체식PDC찬두기체적성본명현강저，강도가고，완전가이만족현장사용요구，구유추엄응용개치。
T his paper introduces a method to cut the cost of a matrix PDC bit by improving the inner steel core which was designed by 3D design technology of PDC bit .Sintering tests of blade and bit matrix were conducted .Then ,the temperature test ,strength test ,cutter welding outfit and field experiments of the PDC bit manufactured with the new technology were carried out .The new PDC bit matrix was undamaged , w hich demonstrated the reliability of the new technology .T he comparative analysis indicated that the mate‐rial cost of φ215.9 mm 5‐blade matrix PDC bit was cut by 54% with the new technology .As a result ,the new technology for manufacturing matrix PDC bit could be popularized and applied for its economic results and high reliability .
