Drilling Adapter Subs
General Introduction
Diamond core drilling adapter subs are essential connection tools used to link different drilling components, ensuring compatibility between rods, casings, and drill bits. These subs serve as transition fittings, allowing smooth assembly and operation of drilling systems, especially in wireline core drilling and exploration drilling applications.
Features
Precision Machined Threads. Ensures a perfect fit and secure connection between drilling components.
High-Strength Alloy Steel. Provides durability and resistance to wear in demanding drilling conditions.
Custom Threading Options. Available in BQ, NQ, HQ, PQ, and oilfield standard thread types.
Corrosion & Abrasion Resistant. Designed to withstand harsh drilling environments.
Enhanced Drilling Efficiency. Reduces downtime by ensuring smooth transitions between drilling tools.
Types of adapter subs
|
Type of Adapter Sub |
Description |
Function |
|
Rod to Casing Adapter Subs |
Connects drill rods to casing systems. |
Ensures smooth casing advancement and borehole stability. |
|
Thread Adapter Subs |
Connects drilling components with different thread types (e.g., BQ, NQ, HQ, PQ). |
Allows compatibility between various drilling tools. |
|
Crossover Subs |
Links drill rods or casings of different sizes. |
Enables seamless transitions between different components. |
|
Locking Coupling Subs |
Secures inner tubes and drill rods in wireline core drilling. |
Prevents unintentional detachment and ensures reliable core retrieval. |
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Specifications
R32 Retract Button Bit
| Pic | Article No. | Dia | Button | Flushing Hole | Angle (°) | Weight(kg) | |||
| mm | inch | Front | Guage | Front | Gauge | ||||
|
|
BRBS(B)51R32-633 | 51 | 2 | 3 x 9 | 6 x 10 | 3 | 1 | 35 | 1.1 |
| BRBS(B)57R32-633 | 57 | 2 1/4 | 3x 10 | 6 x 11 | 3 | 1 | 35 | 1.4 | |
|
|
BRCS(B)51R32-633 | 51 | 2 | 3 x 9 | 6 x 10 | 3 | 0 | 35 | 1.1 |
| BRCS(B)57R32-633 | 57 | 2 1/4 | 3x 10 | 6 x 11 | 3 | 0 | 35 | 1.4 | |
| BRCS(B)64R32-633 | 64 | 2 1/2 | 3 x 11 | 6 x 12 | 3 | 0 | 35 | 2.2 | |
|
|
BRDS(B)64R32-854 | 64 | 2 1/2 | 5 x 9 | 8 x 10 | 4 | 0 | 35 | 2.2 |
| BRDS(B)76R32-854 | 76 | 3 | 5 x 10 | 8 x 11 | 4 | 0 | 35 | 3.4 | |
|
|
BRFS(B)64R32-842 | 64 | 2 1/2 | 4 x 10 | 8 x 10 | 2 | 1 | 35 | 2.2 |
| BRFS(B)76R32-842 | 76 | 3 | 4 x 11 | 8 x 12 | 2 | 1 | 35 | 3.4 | |
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