Our company's drill rods comply with the provisions under the Standards API SPEC 5D and API SPEC7. The grade of steel for the drill pipe will be determined according to the requirements of Group 1 and Group 3 of API SPEC 5D.
(i.e.: Group 1--Grade E; Group 3--Grade X-95, Grade -G-105 and Grade -S-135)
As per requirements of customers, drill pipe joints at the same level will be provided, and manufactured drill pipe joints will comply with the provisions under the Standard API SPEC 7.
|Size|| Length |
|Upper box connection||Lower pin connection||I. D.||Driving section|
|mm||in||Type(LH)||O. D.||Thread||O. D.||Cross flat||For square kelly||Cross corner for hexa kelly|
|63.5||2 1/2||12.19||6 5/8REG||4 1/2REG||196.8||146.0||NC26||85.7||31.8||63.5||83.3|| |
|76.2||3||12.19||6 5/8REG||4 1/2REG||196.8||146.0||NC31||104.8||44.4||76.2||100.0||85.7|
|88.9||3 1/2||12.19||6 5/8REG||4 1/2REG||196.8||146.0||NC38||120.6||57.2||88.9||115.1||100.8|
|108.0||4 1/4||12.9||6 5/8REG||4 1/2REG||196.8||146.0||NC46||158.8||71.4||108.0||141.3||122.2|
|6 5/8REG||4 1/2REG||196.8||146.0||NC50||161.9||71.4||108.0||141.3||122.2|
|133.4||5 1/4||12.9||6 5/8REG|| ||196.8|| ||5 1/2FH||177.8||82.6||133.3||175.4||151.6|
|6 5/8REG|| ||196.8|| ||NC56||177.8||82.6||133.3||175.4||151.6|
Saigao Group send the casing to our regular client casing. Our client are very interested in our casing.
SAIGAO’S Casing were loading and delivering to Albania. This hoisting and loading method, can most definitely avoid rubbing, grinding, scraping and other causes of external paint or protective cap and other damages. Whether it is in our factory, or the port of station, we will choose the best way of