Mud and Cement Hoses

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API Spec 7K Rotary Drilling Hoses for Oilfield Drilling Applications

Mud and cement hoses are usually applied in oil drilling and mud transport. The drilling hoses can be used to connect drilling risers and vertically moving taps, connect mud pump pipelines and drilling risers to reduce the impact of vibration and to transport large quantities of water- or oil-based mud under high pressure. The mud transport lines are H2S-resistant.

Structure (from the inside to the outside)

Inner rubber tube or inner stainless steel tube;

Carbon fiber reinforcement layer;

Middle rubber layer;

Steel wire reinforcement layer;

Outer carbon fiber layer

Features

The mud and cement hose’s reinforcement layer adopts imported high-strength steel wires.
The drilling hose adopts imported rubber and our company’s special formula for the inner rubber layer. The hose is thus H2S resistant and able to withstand high-speed flows of oil- and water-based mud as well as extreme weathers.
With identical bore diameters, the couplings can be perfectly connected to the tube without leading to choked and eddy flows and cut loss.

Media delivered: oil- and water-based mud and fluids containing H₂S
Tube Colors: black, orange and tangerine
Standard: API Spec 7K
Working Temperature: -20℃~ 121℃

Technical Parameters

Internal Diameter mm (in)	51(2")							64(21/2)								76(3)
Class	A	B	C	D	E	F	G	A	B	C	D		E	F	G	A	B	C	D	E	F	G
Working PressureMpa (Psi)	11 1500	14 2000	28 4000	35 5000	52 7500	70 10000	105 15000	11 1500	14 2000	28 4000	35 5000		52 7500	70 10000	105 15000	11 1500	14 2000	20 4000	35 5000	52 7500	70 10000	105 15000
Test PressureMpa	22 3000	28 4000	56 5000	70 10000	104 15000	105 15000	157.75 22500	l 22 i 3000	28 l 4000	56 i 8000	70 10000		1o4 15000	105 15000	157.75 225000	2 3000	28 4000	56 8000	70 10000	104 15000	105 15000	157.75 225000
Min. Bend Radius mm	800	800	850	850	900	950	1000	900	900	1000	1000		1050	1100	1150	950	950	1050	1050	1100	1150	1150
Coupling Code	TBG, LP, Union							TBG, LP, Union								TBG, LP, Union
Internal Diameter mm (n)	89( 3 1/2")							102(4")							127（5")				152(6)
Class	A	B	C	D	E	F	G	A	B	C		D	E	F	G	A	B	C	D	E	F	G
Working PressureMpa (Psi)	11 1500	14 l 2000	28 4000	35 5000	52 7500	70 10000	105 15000	11 1500	14 2000	28 4000		35 5000	52 7500	70 10000	11 1500	14 2000	20 4000	35 5000	11 1500	14 2000	28 4000	35 5000
Test PressureMpa	22 3000	28 4000	56 8000	70 10000	104 15000	105 15000	157.75 22500	22 3000	28 4000	56 8000		70 10000	104 15000	105 15000	22 3000	28 4000	56 8000	70 10000	22 3000	28 4000	56 8000	70 10000
Min. Bend Radius mm	1000	1000	1100	1100	1150	1150	1200	1050	1050	1100		1100	1150	1200	1200	1200	1300	1300	1300	1300	1400	1400
Coupling Code	TBG, LP, Union							TBG, LP, Union							LP, Union				LP, Union