| contributor author | S. Misawa | |
| contributor author | H. Karasawa | |
| date accessioned | 2017-05-08T23:38:11Z | |
| date available | 2017-05-08T23:38:11Z | |
| date copyright | December, 1992 | |
| date issued | 1992 | |
| identifier issn | 0195-0738 | |
| identifier other | JERTD2-26447#332_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/110116 | |
| description abstract | In order to develop polycrystalline diamond compact (PDC) bits of about 8-1/2 in. in diameter which are able to drill geothermal wells, we have conducted the investigation with respect to the structure of a PDC cutter and rake angles, etc., by means of fundamental laboratory and field tests. New PDC core bits of 8-15/32 in. diameter were designed and manufactured based on the results of these tests. Then, field tests using them were carried out in geothermal wells at Hijiori in Yamagata prefecture, Hot Dry Rock project site in Japan, on September 1989 and October 1990. It became clear that the new PDC core bit can be sufficiently applied to the drilling of heterogeneous hot-hard rock formations from the tests. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | Development of New PDC Bits for Drilling of Geothermal Wells—Part 2: Field Testing | |
| type | Journal Paper | |
| journal volume | 114 | |
| journal issue | 4 | |
| journal title | Journal of Energy Resources Technology | |
| identifier doi | 10.1115/1.2905961 | |
| journal fristpage | 332 | |
| journal lastpage | 338 | |
| identifier eissn | 1528-8994 | |
| keywords | Drilling | |
| keywords | Geothermal engineering | |
| keywords | Testing | |
| keywords | Wells | |
| keywords | Polycrystalline diamond compact bits | |
| keywords | Rocks | |
| keywords | Drills (Tools) AND Diamonds | |
| tree | Journal of Energy Resources Technology:;1992:;volume( 114 ):;issue: 004 | |
| contenttype | Fulltext | |
