Stinger Enhanced Drill Bits For EGS

Durrand, Christopher J.¹  Skeem, Marcus R.¹  Crockett, Ron B.¹  Hall, David R.² 

[1] Novatek International, Inc., Provo, UT (United States);Novatek

关键词: geothermal;    drilling;    cutters;   

DOI  :  10.2172/1324456
RP-ID  :  DOE--NVT-02784
PID  :  OSTI ID: 1324456

学科分类：再生能源与代替技术

美国|英语

来源: SciTech Connect

【 摘 要 】

The project objectives were to design, engineer, test, and commercialize a drill bit suitable for drilling in hard rock and high temperature environments (10,000 meters) likely to be encountered in drilling enhanced geothermal wells. The goal is provide a drill bit that can aid in the increased penetration rate of three times over conventional drilling. Novatek has sought to leverage its polycrystalline diamond technology and a new conical cutter shape, known as the Stinger??, for this purpose. Novatek has developed a fixed bladed bit, known as the JackBit??, populated with both shear cutter and Stingers that is currently being tested by major drilling companies for geothermal and oil and gas applications. The JackBit concept comprises a fixed bladed bit with a center indenter, referred to as the Jack. The JackBit has been extensively tested in the lab and in the field. The JackBit has been transferred to a major bit manufacturer and oil service company. Except for the attached published reports all other information is confidential.