API 7K Oil Well Drilling Hose
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 66ºC 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.
It made of inner sub or stainless steel armor inner tube ,carbon fiber reinforce sub,middle sub,steel wire reinforce sub ( steel catenarian line reinforce sub ),and carbon fiber outer sub.
3.The product is classified into steel wire reinforcing type and steel link line reinforcing type.
4.Applicable standard: API Spec7K SY/T5469
5.API emblem practical license Numbers: 7K
for:Commonly used in drilling,cementing,work over services as flexible connector between standpipe and
Application: Used as Flexible connection between standpipe and swivel (Rotary Drilling) or between pump and standpipe (Rotary Vibrator) for pumping mud at extra high pressures in oil drilling and natural gas exploration work (including 50D, 70D).
Temperature Range: -30°C~ 120°C, or manufactured upon customers' requirements
Hose Reinforcement:2~ 6 layers spiraled by single high-strength steel wire, and rubber as a binder to make the layers into one complete and sound construction
Lining: Principally NBR constructed, featuring oil-resistant, abrasion-resistant, acid, alkali & flame resistant.
Hose Cover: Primarily CR fabricated, featuring oil-resistant, abrasion-resistant, weatherproof and anti-ageing
Coupling Type: NKT 60X2.5 , HAMMER UNION 1502 , BSPT 4"
Reference Standard: API Spec 7K,ISO 6807
Product picture Transportation &Packaging Our Company
Shandong xilong Machinery Equipment Company Limited is a supplier of drilling equipment for oil and gas industries.
We are committed to providing first class products and services to our customers all over the world. Xilong is located
in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in
China. We supply various kinds of oilfield equipment, including oil drilling equipment and accessories, drilling tools,
petroleum drill pipe and pipe, instruments and meters and accessories, O C T G, wellhead and downhole tools and
spare parts, electrical and mechanical equipment. Our Associated factory is located in Jiangsu, very close to
Shanghai Port. The factory has advanced production lines, all kinds of gold processing, heat treatment, pretreatment
equipment and complete testing system and facilities. The whole process of casting, heat treatment, metalworking,
final assembly and inspection is organized in the enterprise, which effectively guarantees the comprehensive and
controllable product quality. We have professional engineer support, high efficiency sales team and competitive price
superiority, and attract customers from all over the world. Xilong company takes "providing the most qualified
products, most competitive prices and most professional service for every customer " as its mission. We are striving
and aiming to be one of the most professional oilfield equipment suppliers in China. We sincerely welcome
customers and friends domestic and abroad come to create a prosperous future with us Our Services
1.We will reply to your inquiry within two hours after receiving it, and arrange a special person to contact you. Please leave WhatsApp, WeChat and other communication tools as far as possible, so as to find yourself easily. If there is no response, please send a second letter.
2.Our company has a professional technical team and professional translators (Spanish, Arabic, Russian, and English). If you need to communicate with Russian service personnel, please inform them in advance by email.
3.We will provide the most competitive price in the Chinese market according to the requirements of your bidding documents to ensure the successful completion of your bidding project, so please give us sufficient preparation time, preferably the latest bid closing date.
1. How is your workflow?
We can confirm the specification and specification first, and then sign the sales contract and the drawings. Once the drawings are confirmed, we will take photos for you to confirm that the goods are new and in shipment before shipment. Please pay the balance before the machine leaves the factory, and then we will ship the machine to qingdao.
2. How to deal with product quality problems?
3 How can I get the quotation?
Please send your machine old brand, model, specification (such as power, rope size), nameplate photo to us, if u have tender document, ples also send to us, usually, we need to work on it for 1-2 days.
4. What about your work process?
We can confirm the manual and specification first, and then sign sales contract sign the drawing, once confirm the drawing, the before delivery, we will take photo for you to confirm the goods are new and shipping station, before machine leave factory, ples pay remain payment, then we truck machine to qingdao .