Drill Collar with spiral grooves
Drill Collar notation Thread type D d h inches mm inches mm inches mm 79 x 32 NC 23 31/8 79,4 11/4 31,8 0,157 4,0 89 x 38 NC 26 31/2 88,9 11/2 38,1 0,157 ...
Drill collars
13 March 2019
Drill Collar with slip and elevator recesses with hardbanding
Drill Collar notation Thread type D DE DC d inches mm inches mm inches mm inches mm 79 x 32 NC 23 31/8 79,4 213/16 71,4 27/8 73,0 11/4 31,8 89 x 38 NC 26 ...
13 March 2019
Drill Collar with slip and elevator recesses
Drill Collar notation Thread type D DE DC d inches mm inches mm inches mm inches mm 79 x 32 NC 23 31/8 79,4 213/16 71,4 27/8 73,0 11/4 31,8 89 x 38 NC 26 ...
13 March 2019
Slick Drill Collar
Drill Collar notation Thread type D d inches mm inches mm *79 x 32 NC 23 31/8 79,4 11/4 31,8 *89 x 38 NC 26 31/2 88,9 11/2 38,1 *105 x 51 NC 31 41/8 ...
13 March 2019
Purveyance of Slick Drill Collar drilled
Drill Collar notation D d inches mm inches mm 79 x 32 31/8 79,4 11/4 31,8 89 x 38 31/2 88,9 11/2 38,1 105 x 51 41/8 104,8 2 50,8 108 x 46 41/4 108,0 ...
13 March 2019
Purveyance of Slick Drill Collar
Drill Collar notation D inches mm 79 31/8 79,4 89 31/2 88,9 105 41/8 104,8 108 41/4 108,0 121 43/4 120,7 127 5 127,0 146 53/4 146,1 152 6 152,4 159 61/4 158,8 165 61/2 ...
13 March 2019