Non-magnetic Drill Collar
Inquiry
| Post Date: | Aug 05,2013 |
| Expiry Date: | Feb 01,2014 |
| Detailed Description: |
Quantity: 1Metric Tons Specs:API Spec 7-1 or SY/T5144 Price:5000 USD Metric Tons Payment Method: TT、L/C Non-magnetic Drill collars are made from Non-magnetic materials with high-strength (YDWC20-18) or low- strength (YDWC20-14) by combining a proprietary chemical analysis and a rotary hammer forging process with low magnetic permeability excellent machine ability. Each drill collar is fully inspected by internal inspection dept. All datas obtained are recorded on the inspection certificate furnished with each drill collar. API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats. Drill collars are available in lengths from 10 to 31 feet and outside diameter from 31/8" to 11" . Magnetic permeability(MPS=1×105/4πNm) 1). Average value: Ur<1.010. 2). Magnetic Field Gradient: ΔB≤0.05μT. |
| Company: | Shanxi Weigao Petroleum Drilling Tools Co., Ltd [ China ] |
| Contact: | Tiffany |
| Tel: | 86-0351-2598640 |
| Fax: | 86-0351-4388799 |
| Email: | weigaotiffany@gmai.com |
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