FIELD: drilling of geological exploring wells. SUBSTANCE: diamond drill bit includes crown ring, matrix separated by water courses into sectors. Sectors consist of diamond carrying and cutting parts. Diamond carrying part is made in form of layers. With constant diamond size their content in each layer increases from outer diameter to center inversely proportional to layer average diameter. EFFECT: higher efficiency. 3 dwg, 2 tbl
Title | Year | Author | Number |
---|---|---|---|
DIAMOND DRILL BIT | 0 |
|
SU1303697A1 |
DIAMOND DRILLING BIT | 0 |
|
SU1067191A1 |
METHOD FOR MAKING DIAMOND DRILL BIT | 0 |
|
SU1110888A1 |
CROWN BIT | 2005 |
|
RU2303119C1 |
DIAMOND IMPREGNATED BIT | 2023 |
|
RU2826100C1 |
DIAMOND DRILLING BIT | 0 |
|
SU594291A1 |
DIAMOND DRILL BIT | 2007 |
|
RU2373370C2 |
ROCK-BREAKING INSERT | 0 |
|
SU1086110A1 |
DIAMOND CROWN BIT | 0 |
|
SU1441056A1 |
0 |
|
SU1778264A1 |
Authors
Dates
1994-12-15—Published
1991-05-20—Filed