Audited Supplier
2 3/8, 2 7/8, 3 1/2, 4 1/2 inch
RoHS, BS, DIN, JIS, AISI, API
1 ~ 9
Oil Mining, Coal Mining, Well Drilling, Ore Mining
Carbon Steel
ROSCHEN
Steel Packing
1 ~ 9 m
China
843143210
Product Description
Drill Pipe
Roschen manufactures drill pipe and accessories for water well, geothermal, seismograph, and mining applications. Our team provides over 50 years of experience in the machine shop and the drilling pad. At Roschen, we are capable of fulfilling all your drill pipe needs.
Any order quantity, any pipe size, our team will competently, professionally, and timely meet your needs. Our lead time is faster than our competition, and our quality control process ensures a consistent, high-quality product.
. ACCURACY: Drawing specifications are sent before order placement to guarantee you receive the exact product for your project. For custom orders, physical samples are also offered.
QUALITY: Utilizing an industry-leading friction weld process and CNC-machine tool joints guarantee a precision product every time.
. TRACEABILITY: Every joint of pipe is engraved with a unique reference number to enhance customer service. This establishes 100% accountability of our drill pipe by tracing raw materials, manufacturing procedures, and shipping.
If you want a high quality, consistent, precise pipe…Roschen is your best choice.
Below is a brief list of our product offerings.
If what you see doesn't meet your needs, call us and we will go to great lengths to make exactly what you need.
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Website: http://roschen.en.made-in-china.com
; http://roschen.en.made-in-china.com
http://roschen.en.made-in-china.com
Roschen manufactures drill pipe and accessories for water well, geothermal, seismograph, and mining applications. Our team provides over 50 years of experience in the machine shop and the drilling pad. At Roschen, we are capable of fulfilling all your drill pipe needs.
Any order quantity, any pipe size, our team will competently, professionally, and timely meet your needs. Our lead time is faster than our competition, and our quality control process ensures a consistent, high-quality product.
. ACCURACY: Drawing specifications are sent before order placement to guarantee you receive the exact product for your project. For custom orders, physical samples are also offered.
QUALITY: Utilizing an industry-leading friction weld process and CNC-machine tool joints guarantee a precision product every time.
. TRACEABILITY: Every joint of pipe is engraved with a unique reference number to enhance customer service. This establishes 100% accountability of our drill pipe by tracing raw materials, manufacturing procedures, and shipping.
If you want a high quality, consistent, precise pipe…Roschen is your best choice.
Below is a brief list of our product offerings.
If what you see doesn't meet your needs, call us and we will go to great lengths to make exactly what you need.
| Description | Pipe OD | Pipe Wall | Connection OD | Connection ID | Length(ft) |
| 2-3/8 IF Flush | 3 1/2 | 0.375 | 3 1/2 | 1 3/4 | 20 |
| 2-3/8 IF | 2 3/8 | .280/254 | 3 1/2 | 1 3/4 | 10, 15, 20 |
| 2-3/8 FEDP | 2 3/8 | .280/254 | 3 1/8 | 1 1/2 | 10, 15, 20 |
| 2-3/8 Mayhew Jr | 2 3/8 | .280/254 | 3 | 1 1/2 | 10, 15, 20 |
| 2-3/8 Mayhew Jr | 2 3/8 | 0.19 | 2 3/4 | 1 1/2 | 5, 10 |
| 2-7/8 Mayhew Jr Pipe Flush | 2 7/8 | 0.362 | 2 7/8 | 1 1/2 | 10, 15, 20 |
| Mayhew Reg. Flush | 3 1/2 | 0.375 | 3 1/2 | 1 1/2 | 20 |
| Mayhew Reg. | 2 3/8 | .280/254 | 3 1/2 or 3 1/4 | 1 1/2 | 10, 15, 20 |
| 2-7/8 IF | 4 1/2 | 0.337 | 4 1/8 | 2 1/2 | 10, 15, 20 |
| 3-1/2 IF | 5 1/2 | 0.362 | 4 3/4 | 2 11/16 | 10, 15, 20 |
| 3-1/2 API Reg Flush | 4 1/2 | 0.337 | 4 1/2 | 1 1/2 | 10, 15, 20 |
| 4-1/2 API Reg Flush | 5 1/2 | .362/.478 | 5 1/2 | 2 1/4 | 10, 15, 20 |
| AWJ/AW w/Flats | 1 3/4 | .188/.250 | 1 3/4 | 5/8 | 5,10 |
| NWJ/NW w/Flats | 2 5/8 | .188/.250 | 2 5/8 | 1-1/4 or 1-3/8 | 5,10 |
| Name | A | B | C | D | E | F | G | H |
| TOOL JOINTS:1 | ||||||||
| 2 3/8 API Regular | 2-3/8" | 3-1/8" | 2-5/8" | 3 | 5 | 3 | 60° API | 1 |
| 2 7/8 API Regular | 2-7/8" | 3 3/4 | 3 | 3 1/2 | 5 | 3 | 60° API | 1 1/4 |
| 3 1/2 API Regular | 3 1/2 | 4 1/4 | 3 1/2 | 3 3/4 | 5 | 3 | 60° API | 1 1/2 |
| 4 1/2 API Regular | 4 1/2 | 5 1/2 | 4-5/8" | 4 1/4 | 5 | 3 | 60° API | 1 1/4 |
| 2 3/8 API Internal Flush | 2-3/8" | 3-3/8" | 2-7/8" | 3 | 4 | 2 | 60° API | 1 3/4 |
| 2 7/8 API Internal Flush | 2-7/8" | 4-1/8" | 3 25/64 | 3 1/2 | 4 | 2 | 60° API | 2-1/8" |
| 3 1/2 API Internal Flush | 3 1/2 | 4 3/4 | 4 1/64 | 4 | 4 | 2 | 60° API | 2 11/16 |
| 2 3/8 Mayhew Junior | 2-3/8" | 2 3/4 | 2 21/64 | 2 1/4 | 4 | 2 | 60° Mod. API | 1 1/2 |
| 2 3/8 Mayhew Regular | 2-3/8" | 3 1/4 | 2 35/64 | 3 | 4 | 1 1/2 | 60° Mod. API | 1-5/8" |
| 2 7/8 Mayhew Full Hole | 2-7/8" | 3 3/4 | 3 3/64 | 3-3/8" | 4 | 1 1/2 | 60° Mod. API | 2 |
| 2 3/8 Failing Exploration | 2-3/8" | 2 31/32 | 2 1/2 | 2 3/4 | 4 | 2 | 60° Mod. API | 1 1/2 |
| 2 7/8 Failing Exploration | 2-7/8" | 3 3/4 | 3-1/8" | 3 1/4 | 4 | 2 | 60° Mod. API | 1-7/8" |
| 2 3/8 Hughes Acme Regular | 2-3/8" | 3-1/8" | 219/32 | 3 | 4 | 3-3/8" | 29° Acme | 1 |
| 2 3/8 Winter Weiss | 2-3/8" | 3 1/4 | 235/64 | 3 | 4 | 1 1/2 | 60° Mod. API | 1 1/2 |
| 2 7/8 Winter Weiss | 2-7/8" | 37/16 | 235/64 | 3 | 4 | 1 1/2 | 60° Mod. API | 1 1/2 |
| 3 1/2 API Full Hole | 3 1/2 | 4-5/8" | 4 | 3 3/4 | 5 | 3 | 60° Mod. API | 27/16 |
| FLUSH JOINT TAPERED THREAD | ||||||||
| United Geophysical (1 11/16 OD) | 111/16 | 111/16 | 1-3/8" | 1 | 6 | 3 | 29° Acme | 1 |
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Website: http://roschen.en.made-in-china.com
; http://roschen.en.made-in-china.com
http://roschen.en.made-in-china.com
