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Evaluation of Bit Parameters for Improving Deep Well Drilling Rate in Xujiaweizi Block

Author: WangChunHua
Tutor: CaoXiaoChun；WangHongChao
School: Northeast University of Petroleum
Course: Petroleum and Natural Gas
Keywords: Sham Tseng PDC Drill ROP Confining pressure
CLC: TE921
Type: Master's thesis
Year: 2010
Downloads: 83
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Abstract


With deep exploration and development of oil and gas reservoirs , deep well number the Sham Tseng mechanical drilling speed , long life cycle , high cost of drilling contradiction increasingly prominent ; appropriate drill bit can be an effective solution to this contradiction , this the paper carried out the evaluation and optimization of drilling parameters , the diamond formation characteristics and parameters of the same block with a drill indicators , preferably more appropriate drill bit to reduce drilling costs, and improve economic efficiency . The papers a lot of research the Daqing Oilfield Xujiaweizi block deep well with the use of the drill , with a gray situation decision method preferred drill , put forward the the Sham Tseng drill Xujiaweizi preferred program reduces drill dosage increase ROP and reduce drilling costs. The thesis work in the full analysis of the effect of domestic and international use of the drill products , wear, drill structural design and materials, and other factors , and that the performance impact of PDC composite piece PDC bits in drillability extremum 5.5 strata effect , drill crown curve design , cloth tooth the unreasonable design parameters , formation confining pressure is the main influence of deep well drilling speed , and innovative design based on the combination of pre rid strata confining pressure cutting drilling PDC Bits , with anti- swirling, high ROP characteristics , providing new design ideas for the deep well Xujiaweizi segment drill structure . Role in promoting the study of the subject , deep drilling speed Xujiaweizi for deep drilling to further accelerate the speed and reduce drilling costs , reduce the underground complex , thereby reducing the cost of drilling and increase drilling efficiency .

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CLC: > Industrial Technology > Oil and gas industry > Oil machinery and equipment and automation > Drilling machinery equipment > Drill bits,drilling tools
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