Kelly Hose
Kelly Hose Suppliers
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The kelly hose is the flexible, high-pressure hose connected from the standpipe to a gooseneck pipe on a swivel above the kelly and allows the free vertical movement of the kelly while facilitating the flow of the drilling fluid down the drill string.
A Rotary Vibrator / Drilling/Kelly/Pumper hose is used in oil well drilling. It acts as the crucial instrument in the connection being made between the standpipe and the swivel.
A rotary hose is also used as a means of permitting the kelly to be either raised or lowered through the drilling process while also allowing the drill bit to be raised with the drillstring. For this reason, it is also often referred to as a “kelly hose.”
Rotary hoses also function during the process that allows the drilling fluid to be pumped through the hose when the bit and drillstring are raised and lowered.
Rotary Vibrator / Drilling Kelly Hose 5000PSI
Flexible connection between standpipe and swivel (Rotary Drilling) or between pump and standpipe (Rotary Vibrator) for pumping mud at extra high pressure in oil drilling and exploration work.
Meets the high demands of directional drilling and down linking with negative pressure pulses and elevated temperatures.
Rotary Vibrator / Drilling/Kelly Hose 7500PSI
Meets the high demands of directional drilling and down linking with negative pressure pulses and elevated temperatures.
This hose can also be used as a Motion Compensator hose for stabilization of rotary drilling and pumping equipment against vertical wave action on offshore drill platforms.
The Motion Compensator hose is not recommended for phosphate ester fluids.
Rotary Vibrator / Drilling/Kelly Hose 10000PSI
Recommended For:
Flexible hose between the riser and manifold or around the ball joint of offshore drilling rigs, specially designed to withstand high pressure.
Tube:
Modified Nitrile. Black. Resists abrasion, corrosion, oil, and up to 20% H2S.
Reinforcement:
Multiple layers of textile fabric and steel cable, with one layer middle rubber placed between cable layers.
Rotary Vibrator / Drilling Hose 15000PSI
Purpose:
suitable for rotary hose for flexible connection between the top of the drilling riser and the vertically movable water faucet in the oil drilling and mud delivery systems,and for the adjustment of installing error between the drilling pump line and the riser for the connection and vibration isolation.
It is also suitable for delivering in large quantity at high pressure the water-based or oil-based mud with the min. aniline point at 66℃ pumped out of rotary drilling equipment.
Moreover, it resists to corrosion from hydrogen sulfide and delivers water, oil,mud and other high-pressure media in borehole operation in oil field.
What is a Kelly Hose
A rotary/pumper hose is used in oil well drilling. It acts as the crucial instrument in the connection being made between the standpipe and the swivel.
A rotary hose is also used as a means of permitting the kelly to be either raised or lowered through the drilling process while also allowing the drill bit to be raised with the drillstring. For this reason, it is also often referred to as a “kelly hose.”
Rotary hoses also function during the process that allows the drilling fluid to be pumped through the hose when the bit and drillstring are raised and lowered.
This process is imperative in the completion of the drilling process. The drillstring portion of the drilling line and the connection to the rotary hose is thus crucial.
A large-diameter (3- to 5-in inside diameter), high-pressure flexible line used to connect the standpipe to the swivel. This flexible piping arrangement permits the kelly (and, in turn, the drillstring and bit) to be raised or lowered while drilling fluid is pumped through the drillstring. The simultaneous lowering of the drillstring while pumping fluid is critical to the drilling operation.
Rotary Hose Are large I.D high pressure flexible rubber steel lines used to connect the swivel to the standpipe.
Made of heavy rubber and steel cables the hose is basicly flexible piping that allows the Kelly and the bit and drill string to be raised and lowered while the drilling fluid is pumped through drill string.
lowering the drill string and pumping drilling mud is very important to the drilling process and when these hoses go down or fail in service a entire rig can shut down.
Made of heavy rubber and steel cables the hose is basicly flexible piping that allows the Kelly and the bit and drill string to be raised and lowered while the drilling fluid is pumped through drill string.
Kelly Hose Specification
Rotary Drilling/Pumper hose is mainly used for conveying water-based or oil-based mud and other fluids in the working temperature of -30 °C to +82 °C.
It is often used for oil fields, cement repairing, geological exploration and water conveyance for coal excavation.
It is composed of three parts: tube, reinforcement and cover.The tube is made from NBR, which is resistant to abrasion, corrosion and oils.
The reinforcement is made from 2-8 layers of high tensile and high strength spiraled steel wire, making the hose have solid structure and resistant to high pressure.
The cover is made from high quality synthetic rubber, mainly chloroprene rubber, making the hose resistant to abrasion, corrosion, cut, weather, ozone, aging and sunlight.
The hose has longer service life as a result.
Kelly Hose Introduction
A Kelly hose (also known as a mud hose or rotary hose) is a flexible, steel reinforced, high pressure hose that connects the standpipe to the kelly (or more specifically to the goose-neck on the swivel above the kelly) and allows free vertical movement of the kelly while facilitating the flow of drilling fluid through the system and down the drill string.
The Kelly hose has a diameter of 3-5 inches (inside diameter).
Flexible drilling rubber hoses play an important role in petroleum extraction. They should suffer high operating pressure, extreme operating temperature, abrasion and other inferior elements. Our special compounded synthetic rubber has been proven an effective and economical way to reject these problems. All our oilfield drill hoses are manufactured as API 7K or other related specifications.
Steel cable reinforcement loads most working pressure up to 15,000psi. The wires are usually zinc-plating or copper platting to improve steel wire resistant against rust and corrosion. Due to the thick reinforcement, the hoses should be handled or stored in correct way to avoid kicking or crushing. They will substantially decrease their rated operating pressure.
Rotary Vibrator / Drilling Hose Features
Construction
• Reinforcement: Two high strength steel cables
• Cover: Ozone, petroleum and abrasion resistance
• Tube: Oil resistant for petroleum drilling fluids
• End Fittings: API male nipples, threaded or buttweld hammer
unions, unibolt, API flanges and other special connections.
• Certification: API 7K
• Maximum Length: 110 feet
• Operating Temperatures: -22°F to 200°F (-30°C to 93°C)
• Options: Available with S.S. armor and fire protection.
Typical Application
• Mud delivery hose, motion compensator hose, de-coking hose.
• Oilfield, construction, mining and high performance industrial equipment.
Grade D rotary and vibrator hose is manufactured with the highest quality material to handle the tough drilling applications of today’s industry.
Kelly Hose Specification
Drilling/Mud/Pumper Hoses
We are global leader in the design, manufacture and supply of high pressure hoses.As drilling operation methods evolve, become deeper, with increasing pressure and higher temperatures,
We have over 50 years of experience in metallic reinforced bonded elastomer hoses and has been the first company to obtain certification for all three governing industry standards: API 7K, 16C and 17K standard.
We have since built up a broad portfolio for a variety of drilling applications, such as flexible choke & kill Lines, rotary & vibrator hoses, managed pressure drilling hoses to meet the needs of both onshore & offshore drillers and distributors.
Application of Rotary Drilling Hose
We can provide a range of drilling and cementing hose solutions to meet these challenging conditions.
Our key offering includes rotary drilling / vibrator hose grade D and E, choke and kill, cement and sour hoses. The supports the pumping of mud at very high pressure during drilling and exploration campaigns.
Application of Rotary Drilling Hose:
It is mainly used for conveying water-based or oil-based mud and other fluids.
It is often used for oil fields, cement repairing, geological exploration and water conveyance for coal excavation.
General construction of a High Pressure Drilling Hose
1、Stainless steel interlock stripwound tube
Protects the polymer lining from mechanical damage, prevents blistering in case of high pressure gas service and decompression with vacuum service, supports the wall of the flexible hose.
This layer is optional and present only for rough bore hoses.
2、Polymer lining
Fluid barrier of the flexible line. Protects the hose construction from corrosive and abrasive effects of the conveyed medium.
The thickness of lining depends on the internal pressure, the inside diameter and the conveyed medium.
The lining material is selected to withstand chemical and heat effects of drilling mud, well effluents, cement slurry, hydraulic fluid or whatever substance is conveyed through the hose.
The Remaining Part
3、Stiffening spiral (not shown in the picture)
To protect the hose against collapse under axial pulling force and/or as a result of external pressure. Prevents kinking even in sharp bends.
4、Elastomeric cushion plies
To ensure adhesive bonding between different plies.
5、High strength steel cable reinforcements
These are the most important load-bearing elements, they determine internal pressure resistance. The cables are either zinc or brass coated to provide exceptional corrosion resistance.
6、Gas leading plies
To allow diffused gases to migrate to venting points.
7、Fire resistant plies
Optional layer, protects the hose in case of exposure to flame at 704°C (1300°F) for at least 30 minutes.
High-pressure mud hose
High-pressure mud hose also called rotary hose, vibrator hose or jumper hose, is used to convey drilling fluid from mud pump to the mud standpipe manifold on the drill floor.
Product description:
Tube: oil resistant for petroleum drilling fluids;
Cover: ozone, abrasion and weathers resistance;
Reinforcement: multiple spiral layers of high strength steel wire.
Product description
Hose inside diameter: 2″, 2.5″, 3″, 3.5″, 4″, 5″ and 6″;
Maximum length: up to 120ft;
Safety factor: 2.5;
Operating temperature: -22°F to 200°F (-30°C to 93°C);
Operating pressure: up to 7500psi;
End fittings: API flanges, MPT threads, butt-welded unions or as required;
Certification: API 7K.