Hewy Weight Drill Pipe with two central upsets
Diameter Thread type outside D of box upset and pin upset D1 of central inside upset D2 inside d inches mm inches mm inches mm inches mm 31/2 88,9 43/4 120,7 31/2 101,6 21/4 57,2 ...
13 March 2019
Hewy Weight Drill Pipe with one central upset
Diameter Thread type outside D of box upset and pin upset D1 of central inside upset D2 inside d inches mm inches mm inches mm inches mm 31/2 88,9 43/4 120,7 31/2 101,6 21/4 57,2 ...
13 March 2019
Hexagon Kelly
Kelly notation Distance between faces a Length Thread connection Диаметр внутренний d total working area box pin L LD* inches mm ff mm ff mm thread type upset OD D thread type upset OD D1 ...
13 March 2019
Square Kelly
Kelly notation Distance between faces a Length Thread connection Inside diametr d total working area box pin L LD* inches mm ff mm ff mm thread type upset OD D thread type upset OD D1 ...
13 March 2019
Threads of drill collars without stress relif elements
Thred connections are colled rolled, magnoglux tested, phosphated and greased. All thred connections are in accordance with API Specification 7-2. Pipe threaded connections are protected with polymer or metal stamping protectors for threads. ...
13 March 2019
Drill Collar with spiral grooves and 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 spiral grooves and 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
Drill Collar with spiral grooves and slip recess with hardbanding
Drill Collar notation Thread type D DC d inches mm inches mm inches mm 79 x 32 NC 23 31/8 79,4 27/8 73,0 11/4 31,8 89 x 38 NC 26 31/2 88,9 33/16 80,9 11/2 ...
13 March 2019