Drills For Hard Stone DTH drill pipes – Kat
Drills For Hard Stone DTH drill pipes – Kat Detail:
Drill pipe is hollow, thick-walled, steel piping that is used on drilling rigs to facilitate the drilling of a wellbore and comes in a variety of sizes, strengths, and weights but are typically 30 to 33 feet in length. They are hollow to allow drilling fluid to be pumped through them, down the hole, and back up the annulus.
It is designed to support its own weight for combined lengths that often exceed 1 mile down into the Earth’s crust. Used drill stem is often sent to a yard for inspection, sorted, and stored until new drill sites can be explored.
1) OD: 2 3/8” TO 5 1/2” of label 1 or 60.32mm to 140
2) Wall thickness: 6.45 to 12.7mm
3) Grade: E75, X95, G105, S135
4) Length: R1:6.1-7.01mm, R2:8.84-9.75mm, R3:12.19-13.72mm
5) Certificate: ISO 9001:2008
Product detail pictures:
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We emphasize advancement and introduce new products and solutions into the market each year for Drills For Hard Stone DTH drill pipes – Kat, The product will supply to all over the world, such as: Yemen , San Francisco , Danish , Providing the best products, the most perfect service with the most reasonable prices are our principles. We also welcome OEM and ODM orders.Dedicated to strict quality control and thoughtful customer service, we are always available to discuss your requirements and ensure full customer satisfaction. We sincerely welcome friends to come negotiate business and start cooperation.
By Deirdre from Ireland - 2016.12.31 14:53
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
By Chloe from Bangkok - 2015.04.25 16:46