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• Mixing & Pumping Equipment
  • Colloidal Grout Mixers
  • Paddle Assisted Colloidal Grout Mixers
  • Grout Pumps (High Pressure)
  • Grout Pumps (Low Pressure)
  • Agitation Tanks & Paddle Mixers
  • Colloidal Grout Mixer / Pump Units
  • Colloidal Grout Mixer / Pumps (High Pressure)
  • Bentonite / Microtunnel Lubrication Units
  • Tunnel Grout Mixing System
  • Tunnel Grouting System
  • Applications
• Drilling Equipment
  • Drill Rods
  • Rotary Duplex Systems (Mini Piling)
  • Casing Advancement Systems
  • Large Diameter Piling Casings
  • Rotary Percussive
  • Reverse Circulation
  • Cutting Shoes and Crowns
  • Drilling Accessories
  • Drill Casing - Cross Reference and Data
  • Applications
• Mud Pumping & Cleaning Equipment
  • Mud Pumping Equipment
  • Tri-Flo 1200 Gallon Mud System
  • Tri-Flo 1500 Gallon Mud System
  • Tri-Flo 2500 Gallon Mud System
  • Tri-Flo 4000 Gallon Mud System
  • Tri-Flo 7000 Gallon Mud System
  • Applications

Drilling Accessories

Drill collars with A.P.I. connections
Listed to the left is our standard range of drill collars incorporating API connections and manufactured in heat treated alloy steels. This system provides a method of adding weight to a rock bit or cutting assembly. Intermediate sizes are available upon application.

Stabilisers
Manufactured in a wide range of sizes from high grade heat treated alloy steel, the stabilisers listed to the right incorporate spiral wings.  Straight wings or alternative designs incorporating spanner flats are also available on request.

• Metric
• Imperial

Drill Collars with A.P.I Connections

D (mm)	L (mm)	B (mm)	Tool Joint Connection Pin & Box (mm)	Approx Weight (KG)
108.0	3.0	63.5	A.P.I. 73.02 IF	170.0
	4.5			250.0
	6.0			335.0
158.8	3.0	79.0	A.P.I. 73.02 IF	165.0
	4.5			243.0
	6.0			327.0
120.7	3.0	70.0	A.P.I. 88.9 IF	188.0
	4.5			280.0
	6.0			371.0
114.3	3.0	27.0	A.P.I. 88.9 REG	183.0
	4.5			274.0
	6.0			363.0
152.4	3.0	73.0	A.P.I. 88.9 IF	336.0
	4.5			503.0
	6.0			669.0
158.8	3.0	79.0	A.P.I. 101.6 IF	348.0
	4.5			553.0
	6.0			759.0
152.4	3.0	95.3	A.P.I. 101.6 IF	258.0
	4.5			386.0
	6.0			515.0
171.5	3.0	98.5	A.P.I. 101.6 IF	365.0
	4.5			545.0
	6.0			725.0
203.2	3.0	101.6	A.P.I. 168.27 REG	574.0
	4.5			858.0
	6.0			1141.0
228.6			A.P.I. 193.68 REG
254.0			A.P.I. 244.48 REG

Drill Collars with A.P.I Connections

D (in)	L (in)	B (in)	Tool Joint Connection Pin & Box (in)	Approx Weight (lbs)
4.25	0.12	2.5	A.P.I. 73.02 IF	374.79
	0.18			551.16
	0.24			738.55
6.25	0.12	3.11	A.P.I. 73.02 IF	363.76
	0.18			535.72
	0.24			720.91
4.75	0.12	2.76	A.P.I. 88.9 IF	414.47
	0.18			617.29
	0.24			817.91
4.5	0.12	1.06	A.P.I. 88.9 REG	403.45
	0.18			604.07
	0.24			800.28
6	0.12	2.87	A.P.I. 88.9 IF	740.75
	0.18			1108.93
	0.24			1474.89
6.25	0.12	3.11	A.P.I. 101.6 IF	767.21
	0.18			1219.16
	0.24			1673.31
6	0.12	3.75	A.P.I. 101.6 IF	568.79
	0.18			850.98
	0.24			1135.38
6.75	0.12	3.88	A.P.I. 101.6 IF	804.69
	0.18			1201.52
	0.24			1598.35
8	0.12	4	A.P.I. 168.27 REG	1265.45
	0.18			1891.57
	0.24			2515.47
9			A.P.I. 193.68 REG
10			A.P.I. 244.48 REG

Stabilisers

Drill hole Diameter (mm)	D (mm)	L (mm)	Connection Pin & Box (mm)	B (mm)	E (mm)	T (mm)
146	143	1016	A.P.I. 88.9 REG	38	114	30
152	146
159	152
216	210	1067	A.P.I. 114.3 REG	57	140	30
251	244
279	273
311	305	1118
349	343
279	273	1372	A.P.I. 168.27 REG	89	197	50
311	305
381	375
445	438
508	495
146	143	1016	A.P.I. 73.02 REG	56	114	30
152	146
159	152
171	165	1016	A.P.I. 88.9 REG	59	140	30
187	181
216	210	1067
251	244
279	273
311	305	1118
349	343
375	368
381	375	1295

Stabilisers

Drill hole Diameter (in)	D (in)	L (in)	Connection Pin & Box (in)	B (in)	E (in)	T (in)
5.75	5.63	40	A.P.I. 88.9 REG	1.5	4.49	1.18
5.98	5.75
6.26	5.98
8.5	8.27	42.01	A.P.I. 114.3 REG	2.24	5.51	1.18
9.88	9.61
10.98	10.75
12.24	12.01	44.02
13.74	13.5
10.98	10.75	54.02	A.P.I. 168.27 REG	3.5	7.76	1.97
12.24	12.01
15	14.76
17.52	17.24
20	19.49
5.75	5.63	40	A.P.I. 73.02 REG	2.2	4.49	1.18
5.98	5.75
6.26	5.98
6.73	6.5	40	A.P.I. 88.9 REG	2.32	5.51	1.18
7.36	7.13
8.5	8.27	42.01
9.88	9.61
10.98	10.75
12.24	12.01	44.02
13.74	13.5
14.76	14.49
15	14.76	50.98