Are intended for transfer of a forward or rotary motion from the land drive to the borehole pump at oil production. Bars represent a metal core of round section on which ends the heads which are coming to an end with a carving are landed. For protection from wear of bars, couplings and pump and compressor pipes of a bar can be equipped with centralizers of various types, and for removal of paraffin deposits by in addition mobile scrapers. Bars pump the class "D" (according to the API specification) possess the increased strength and anticorrosive properties and on the quality do not concede production of the known foreign companies.
| Standard | TU 3665-007-002175515-98 | ||||
| Standard size | SHN 5/8" | SHN 3/4" | SHN 7/8" | SHN 1" | SHN 1 1/8" |
| Diameter, mm | 15,88 | 19,05 | 22,23 | 25,40 | 28,58 |
| Length, mm | 8000, 9140 | ||||
| The shortened length | Any from 500 mm upon the demand of the Customer | ||||
| Subracing rods, mm | less than 500 mm | ||||
| Standard | API Spec 11B | ||||
| Standard size | SHN 5/8" | SHN 3/4" | SHN 7/8" | SHN 1" | SHN 1 1/8" |
| Diameter, mm | 15,88 | 19,05 | 22,23 | 25,40 | 28,58 |
| Nominal length, mm * | 25(7620), 30(9144) | ||||
| Length, mm | 7518, 9042 | ||||
| The shortened length ** | Any from 500 mm upon the demand of the Customer | ||||
* nominal length - the size from an end face of a persistent burt of a bar to an end face of the coupling screwed on the nipple.
** length - the size between end faces of persistent burt of a bar.
| Class | Group of steel | Minimum limit of fluidity, MPa | Strength |
| To | Nickel-molybdenum | 414 | 620... 793 |
| With | Manganic | 414 | 620... 793 |
| D | Manganic
Chromomolybdenic |
586
586 |
793... 965
793... 965 |
| D specialist | Special nickel bearing alloy | 630 | 820... 990 |
| The D super | Chromomolybdenic carbonaceous | 720 | 930... 1050 |
Are used for optimization of load of the drive.
| Standard | API Spec 11B | ||
| Standard size | SHN 1 1/2" | SHN 1 5/8" | SHN 1 3/4" |
| Diameter, mm | 38,1 | 41,28 | 44,45 |
| Standard size of the attached bar | SHNU 3/4 | SHN 7/8 | SHN 7/8 |
| Length, mm | 8000 | ||
| Weight, kg | 70 | 80 | 94 |
| Class | Group of steel | The minimum strength on stretching, MPa |
| 1 | Carbonaceous | 448 |
| 2 | Alloyed | 620 |
| Standard | TU 3665-027-002175515-02 | |||
| Standard size | SHNSH.M 3/4 | SHNSH.M 7/8 | ShNSh.M 3/4h7/8 | ShNSh.M 7/8h1 |
| Outer diameter, mm | 45 | 53 | 53 | 55,6 |
| 53 | ||||
| Length, mm | 495 | 507 | ||
| Explosive effort, kgf | 14000 | 20000 | 20000 | 20000 |
| 20000 | ||||
| Standard size of the attached bar | SHN 3/4 | SHN 7/8 | SHN 3/4; SHN 7/8 | SHN 7/8; SHN 1 |