Custom Specialized Expertly Designed Rubber BOP Parts For Wellhead Pressure Control

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Product overview:

The spherical rubber core of the annular blowout preventer is the core component of the annular blowout preventer in oilfield drilling operations. It is mainly used to seal the wellhead in emergency or normal situations during drilling to prevent drilling fluid or high-pressure fluids such as oil and gas from spraying out of the wellhead. The spherical rubber core has a unique design and can deform evenly when under pressure, adapt to changes in wellhead pressure, and provide excellent sealing performance. It can effectively seal the wellhead under various complex working conditions, such as the passage of drilling tools of different sizes, empty wells without drilling tools, etc., and can prevent blowout accidents.

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Structural composition:

1. Rubber body: Made of specially formulated rubber material, it has good elasticity, wear resistance and corrosion resistance. The rubber body has a spherical structure, which can better adapt to drilling tools of different shapes and sizes. When sealing, it can evenly fit the surface of the drilling tool to form a reliable sealing effect. The rubber material has been specially treated to withstand high temperature, high pressure, and erosion by drilling fluid, oil and gas and other media, ensuring long-term stable operation in harsh working environments.
2. Metal skeleton: embedded inside the rubber body, providing the necessary support strength for the spherical rubber core. Made of high-strength alloy steel, it has undergone precision machining and heat treatment. It can prevent the rubber from being damaged due to excessive deformation when the rubber core is subjected to high pressure, and at the same time ensure that the rubber core maintains a stable shape and performance during repeated use.
3. Sealing lip: located at the inner edge of the spherical rubber core, it is the part that directly contacts the drill bit to achieve sealing. The sealing lip has been specially designed and processed to have good fit and sealing performance. When subjected to hydraulic pressure, the sealing lip can tightly wrap the drill bit to form an effective sealing barrier to prevent fluid leakage in the well.

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Working principle:

The work of the annular blowout preventer spherical rubber core produced and sold by our company Huichi petro depends on the drive of the hydraulic system. When the wellhead needs to be closed, the hydraulic oil enters the piston chamber of the rubber core through the hydraulic control system of the annular blowout preventer, pushing the piston upward. The piston drives the spherical rubber core to move upward together, while squeezing the rubber core to cause radial deformation. As the rubber core deforms, the sealing lip gradually shrinks toward the center, tightly hugging the drill bit or closing the wellhead, thereby sealing the wellhead. When the wellhead needs to be opened, the hydraulic system releases the hydraulic oil in the piston chamber, and the piston moves downward under the action of the return spring, the rubber core returns to its original state, and the wellhead is reopened.

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Product Features:

1. Good sealing performance: The spherical rubber core is made of high-strength material and has good high-pressure resistance and wear resistance. When an oil well erupts, even if the drill bit has a certain eccentricity or irregular shape, the spherical rubber core can expand rapidly, achieve reliable sealing through its own elastic deformation, and effectively prevent the leakage of high-pressure fluid in the well.
2. Easy to operate: With the help of hydraulic system control, the response speed is fast. The operator only needs to control the switch of the hydraulic valve to achieve the closing and opening operation of the wellhead in a short time, and easily complete the action control of the spherical rubber core.
3. Long service life: Made of high-quality rubber material and high-strength metal skeleton, it has undergone strict quality inspection and performance testing, and has good wear resistance, corrosion resistance and fatigue resistance. Under normal use and maintenance conditions, it can withstand multiple sealing and opening operations, has a long service life, and reduces the replacement cost and maintenance workload of the equipment.
4. Strong adaptability: It can not only seal drilling tools of various sizes, but also achieve full closure of the wellhead in the case of an empty well without drilling tools. At the same time, it can adapt to harsh drilling operating environments such as high temperature, high pressure, and high sulfur content.

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Product advantages:

Compared with similar imported rubber cores, the annular blowout preventer spherical rubber core produced and sold by our company Huichi petro has a high cost performance.

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Implementation standards:

This product complies with the American API 16A standard, ASTM D412, D624, D2240, D471 standards, and SY/T5053.1-2002 standards ‌.

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Application scenarios:

The annular blowout preventer spherical rubber core produced and sold by our company Huichi petro is widely used in various oil and gas drilling sites, including land drilling, offshore drilling platforms, etc. The annular blowout preventer spherical rubber core can play an important role in key links such as drilling high-pressure oil and gas layers, tripping operations, and handling well kicks and blowouts. It can effectively seal the wellhead in a timely manner to prevent the high-pressure fluid in the well from blowing out.

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Product model parameters:

    Brand: Chinese brands and major American brands

    Type: Annular BOP, Single Ram BOP, Double Ram BOP, Shear Ram BOP

    Working pressure: 2000psi-15000psi (14 Mpa~105 Mpa)

    Operating temperature: -18℃~121℃

    Bore size: 7 1/16″~21 1/4″

    Top & bottom connection: Flanged, studded

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Product display:

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Product package:

Product packaging: iron box or iron frame, wooden pallet, wooden box, bulk or customized according to customer requirements.

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Product detection:

100% inspection will be carried out before shipment, and video image data and inspection reports will be provided.

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Accepted delivery terms:

FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES.

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About HuiChi (HC) petro:

Shandong Huichi Industry & Trade is a professional supplier of drilling equipment for the oil and gas industry. We are committed to providing the best products and services to customers around the world.

We HuiChi (HC) Petro always regard our customers as our partners and aim to achieve long-term cooperation value. Our Huichi products cover different fields such as oil fields, water wells, HDD, etc.

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Why choose HuiChi (HC) petro?

One-stop drilling equipment supply;

Employee engineers have more than 10 years of experience in supplying drilling equipment;

More than 10 people engaged in export business;

More than 40 partner countries and regions;

More than 200 customers having close cooperative relationships;

More than 250+ partner factories as suppliers.

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Focus on well drilling equipment , we have been working hard and hope to become your most professional oil & gas equipment supplier and the best partner!

Sales Manager:Cherry Chi

Email: cherry@huichipetro.com

Mob/WhatsApp/We chat: +86 15553820372