Drill pipe Specifications: ??,50, 60,73,89,114,127,139 Drill pipe joint specifications: ??, 78,105,121 Drill Collar specifications: ??1, 146,159,178 Drill pipe material: DZ50, R780, G105, S135 Joint ...

S135. The comprehensive productivity of drill pipe and drill collar has reached about 30,000MT each year. From the day when the first drill pipe was produced up to now, within more than ten years, it never happen that ...

DRILLING TOOLS:-Drilling pipe,heavy weight drilling pipe,tubing pipe,casing pipe. We can produced drilling pipe(eu,iu ieu) of 2-3/8",2-7/8",3-1/2,4",4-1/2",5",5-1/2",Steel Grade:E75, X95, G105, S135 Type of end ...

S135. The comprehensive productivity of drill pipe and drill collar has reached about 30,000MT each year. From the day when the first drill pipe was produced up to now, within more than ten years, it never happen that ...

S135 drill pipes from 2-3/8 inches to 6-5/8 inches, heavy weight drill pipes, drill collars and kellies. Our company also has the advanced quality management system acquired API (API 5C7-0655, API 6D-0586, API 7K-0098, ...

S135 Possible operations: Internal coating and Hard banding Drill collars according to API 7 (O.D. 78 – 275 mm) Grade: 4145H Heavy weight drill pipes according to API 7 (60,3-139,7 mm) Grade: 4145H Kellies ...

Casing & Tubing Manufacturer We are Chinese Oil Casing and Tubing and Drill pipe Manufacturer.Our mill is professional and modern manufacturer of OCTG, with annual output of 150,000 tons of API 5CT casing and tubing, ...

S135 OD<=5" API SPEC 5D 5 Oil Tubing J55,K55,N80,L80,P110 OD<=4.5" API SPEC 5CT 6 Casing J55,K55,N80,L80,P110 OD<=13-3/8" API SPEC 5CT 7 Drilling Pipe body G105, S135 OD<=5" API SPEC 5D 8 bare Oil Tubing J55 ...