Casing for rotary drilling rig

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Product Detail

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Double Wall Casing Pipe

Double-walled casings are used for stabilising boreholes in collapsible soil conditions. Casing and joints are designed for resisting the forces of rotary drilling-rigs or casing oscillators.

1. Dirt and gravel road maintenance

2. Hard-packed snow and ice removal

3. Chip and seal road reclamation

4. Tar sand road reclamation

5. Spot asphalt milling

6. Spreading loose material

7. Mixing calcium chloride,magnesium, chloride, or other dust suppressants

Technical Parameters

D (mm)	d (mm)	h (mm)	Teeth quantity (mm)	Weight
620	540	586	9	280
750	670	586	10	335
800	720	586	11	368
880	800	586	13	408
900	820	586	14	419
1000	920	586	15	468
1180	1100	586	17	557
1200	1120	586	18	567
1300	1220	586	19	615
1500	1420	586	22	1023
1800	1720	586	26	1235
2000	1880	586	30	1796
2500	2380	848	38	2261

Casing Drive Adapter (Casing Twister)

Casing drive adapter transfer the torque from the rotary drive onto the top of the casing string.

Casing Pipe φ(mm)	D (mm)	B (mm)	Height H(mm)	Weight
620/540	70	848	1794	679
750/670	70	848	1794	759
800/720	70	848	1794	816
880/800	70	848	1794	870
900/820	70	848	1794	894
1000/920	70	848	1794	1015
1180/1100	70	848	1794	1202
1200/1120	70	848	1794	1235
1300/1220	70	848	1794	1343
1500/1400	70	848	1794	2019
1800/1700	70	848	1794	2580
2000/1880	70	848	1794	3673
2500/2380	70	848	1794	5072

Casing Shoe

Diameter (mm)	Connection	Bucket height (mm)	Bucket wall thickness(mm)	Base plate thickness(mm)	Cutting plate thickness(mm)	Teeth quantity	Weight
φ600	Bauer	1200	16	40	50	3	790
φ800	Bauer	1200	16	40	50	5	1020
φ1000	Bauer	1200	16	40	50	7	1280
φ1200	Bauer	1200	16	40	50	11	1680
φ1500	Bauer	1200	16	40	50	12	2240
φ1800	Bauer	1000	16	50	50	14	3015
φ2000	Bauer	800	20	50	50	16	3795
φ2200	Bauer	800	20	50	50	18	4850
φ2500	Bauer	800	20	40(box type)	40(box type)	20	5960

Casing Connector

2 types of bolt connection systems are available: mechanical connection (bolts are fixed manually), automatic locking device.

Technical Parameters

Type	D	B	Weight
A	74.5	38	1
B	98.5	59	3

D1/D2 (mm)	H (mm)	b (mm)	n (pc)	hole (pc)	bolt	Weight
620/540	350	40	8	8	A	233
750/670	350	40	10	10	A	285
800/720	350	40	10	10	A	304
880/800	350	40	10	10	A	333
900/820	350	40	10	10	A	341
1000/920	350	40	10	10	A	381
1180/1100	350	40	12	12	A	438
1200/1120	350	40	12	12	A	450
1300/1220	350	40	12	12	A	483
1500/1400	480	50	12	12	A	950
1800/1700	480	50	16	16	A	1146
2000/1880	480	60	12	12	B	1745
2500/2380	480	60	16	16	B	2197