FHZ54-35, FZ18-35, FZ28-35 Spare Parts for Annular BOP, Ram BOP and Diverter

Introduction

In oilfield drilling operations, blowout preventers (BOP) and diverters are the last line of defense for well control, and their stable operation directly determines the safety of personnel, equipment and the environment. We specialize in supplying high-quality spare parts for a full range of BOP and diverter models, including annular BOP (FHZ54-35), ram BOP (FZ18-35, FZ18-70, FZ28-35, FZ35-35, etc.) and diverter (FFZ75-3.5 (/07), FFZ76-07), with matching part numbers such as H27.00, H27B.00, S66()-00, S91()-00 and SKFW16-107-01.00. Our spare parts are designed to solve the core pain points of oilfield operators—unplanned downtime caused by worn or damaged parts, high maintenance costs from incompatible components, and safety risks from substandard replacements. Each part undergoes strict quality inspection in accordance with API 16A and NACE MR0175 standards, ensuring perfect compatibility with original equipment and long-term reliable operation. With 20 years of experience in oilfield equipment spare parts supply, we have served more than 500 oilfield projects worldwide, providing drop-in replacement solutions that reduce maintenance time and operational costs for our customers.

Core Purpose

Our spare parts are specifically designed to fit a wide range of BOP and diverter models, including but not limited to FHZ54-35 annular BOP, FZ18-21 LWS/FZ18-35LWS ram BOP, FZ28-35J/FZ28-35LWS ram BOP, FZ35-35/FZ35-70 ram BOP, FFZ75-3.5 (/07) and FFZ76-07 diverter. The core purpose is to provide oilfield drilling teams, well maintenance companies and equipment operators with high-quality, compatible and durable spare parts that can quickly replace worn, damaged or failed components. This ensures that BOP and diverter equipment can resume operation in the shortest possible time, avoids costly unplanned downtime (which can reach up to $8,000 per hour for offshore drilling rigs), and maintains the safety and efficiency of drilling operations. Whether it is a routine maintenance replacement, an emergency repair, or a stock reserve, our spare parts meet the diverse needs of different oilfield scenarios.

Product Description

Product Overview

We supply a complete range of spare parts for annular BOP, ram BOP (including shear ram, blind ram and pipe ram types) and diverter equipment, covering all key components such as seals, gaskets, pistons, bonnets, valve cores and control parts. Each part is manufactured with high-quality materials—pressure-containing components are made of high-strength alloy steel with nickel-based coating to resist corrosion and impact, while sealing parts are made of FKM, HNBR and NBR materials to adapt to different working media such as crude oil, natural gas and drilling fluid. Our spare parts are 100% interchangeable with original equipment from major brands, including Weatherford, Honghua, Jereh and Canrig, and each part is marked with a unique part number for easy identification and matching. We provide spare parts for both standard and special models, including those with tandem boosters, large tandem boosters and sealing gas functions, ensuring that every customer can find the exact part they need.

Function Description

Our BOP and diverter spare parts are designed to perform specific critical functions to ensure the normal operation of well control equipment: 1. Sealing function: Seals and gaskets (such as those for FZ35-70 ram BOP with part numbers SKF15-298-01.00 and SKF16-182-01.00) provide reliable sealing performance, preventing wellbore fluid leakage and maintaining wellhead pressure stability, which is crucial for preventing blowouts. 2. Pressure-bearing function: Pressure-containing components (such as those for FHZ54-35 annular BOP with part numbers H27.00, H27B.00) can withstand high working pressure up to 105 MPa (15,000 psi), ensuring structural integrity under extreme conditions. 3. Shearing function: Spare parts for shear ram BOP (such as S92().00 for FZ18-70 and 006().00 for FZ28-35U) can quickly shear drill pipes in emergency situations, closing the wellbore to prevent blowouts. 4. Diverting function: Spare parts for FFZ75-3.5 (/07) and FFZ76-07 diverters (H06.00C, SKFW16-107-01.00, H31.00) ensure the smooth diversion of drilling fluid and gas, avoiding accumulation of pressure in the wellhead. 5. Compatibility function: All spare parts are designed as drop-in replacements, which can be installed without modifying the original equipment, reducing maintenance time and operational difficulty.

Structural Features

Our spare parts have been optimized for structure based on years of on-site operation experience, with the following key features: 1. High-strength structure: Pressure-containing parts are forged with precision, with a tensile strength of 860 MPa and an impact toughness of 65 J/cm², which can resist the impact of high-pressure fluid and mechanical vibration in oilfield drilling. 2. Corrosion-resistant structure: Fluid contact surfaces are coated with a 0.8mm thick nickel-based alloy layer, which can resist corrosion from H2S, CO2 and other corrosive media, extending the service life of parts by 3,500 hours compared with ordinary parts. 3. Sealing optimization structure: Sealing parts adopt a multi-layer composite structure, with a pre-compression design that ensures tight sealing even under low pressure, and the sealing performance remains stable after 10,000 opening and closing cycles. 4. Easy installation structure: Spare parts are designed with positioning pins and quick-connect structures, which can be installed by two engineers in 45 minutes, reducing installation time by 30% compared with traditional parts. 5. Durable structure: Key moving parts are treated with surface hardening, with a hardness of HRC 58-62, reducing wear and tear during operation and ensuring a service life of up to 12,000 working hours under normal working conditions.

Applicable Working Conditions

Our spare parts are suitable for various harsh oilfield working conditions, especially for offshore and onshore drilling rigs with high requirements for well control equipment: 1. Pressure range: Suitable for working pressures from 14 MPa (2,000 psi) to 105 MPa (15,000 psi), covering the pressure requirements of most oilfield drilling operations. 2. Temperature range: Can work stably in environments from -29°C to 121°C, adapting to cold regions such as northern Russia and high-temperature regions such as the Middle East. 3. Medium compatibility: Compatible with crude oil, natural gas, drilling fluid, acid-base fluids and other media, suitable for oilfields with high sulfur content and high salinity. 4. Working scenarios: Applicable to offshore drilling platforms, onshore drilling rigs, well completion operations, workover operations and other scenarios, including harsh environments such as strong wind, heavy rain, high humidity and strong vibration. 5. Equipment compatibility: Suitable for annular BOP, single ram BOP, double ram BOP, shear ram BOP and diverter equipment of various models, including FHZ54-35, FZ18-35, FZ28-35, FZ35-70, FFZ75-3.5 (/07) and FFZ76-07.

Maintenance and Care Suggestions

To extend the service life of spare parts and ensure the stable operation of BOP and diverter equipment, our senior oilfield engineers provide the following practical maintenance and care suggestions: 1. Storage: Store spare parts in a dry, dark and ventilated warehouse with a temperature of 15-25°C, away from ozone sources and corrosive substances; FKM softgoods kits can be stored for 10 years, HNBR and NBR softgoods kits for 5 years under proper storage conditions. 2. Inspection before installation: Before installing spare parts, check for damage, deformation or corrosion, and verify that the part number matches the equipment model; do not install parts with any defects, as this may lead to equipment failure. 3. Regular inspection: After installation, inspect the spare parts every 30 days, focusing on the sealing performance and wear status of seals and moving parts; replace worn parts in a timely manner to avoid further damage to the equipment. 4. Cleaning: After use, clean the surface of the spare parts with clean diesel or kerosene, remove dirt and debris, and apply anti-rust oil to prevent corrosion. 5. Avoid improper operation: Do not exceed the rated pressure and temperature when using the equipment, and avoid violent collision or improper installation of spare parts; for shear ram spare parts, check the shear edge regularly to ensure its sharpness. 6. Stock management: Establish a regular stock check system, and maintain a certain number of key spare parts (such as seals and valve cores) to ensure that they can be replaced in time in case of emergency.

Authority and Exclusive Data

All our spare parts are manufactured in strict accordance with API 16A (American Petroleum Institute Standard for Blowout Preventers) and NACE MR0175 (Standard for Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment), and have passed ISO 9001 quality management system certification. Our production process adopts multi-layer material structure manufacturing and precision forging technology, ensuring that each part meets the highest industry standards. Exclusive data: 1. Our spare parts have a service life of 12,000 working hours under normal working conditions, which is 2,800 hours longer than the industry average of 9,200 hours. 2. The sealing parts can maintain stable performance after 10,000 opening and closing cycles, with a leakage rate of less than 0.01 ml/min. 3. The pressure-bearing parts can withstand 1.5 times the rated pressure for 30 minutes without deformation or leakage. 4. Our drop-in replacement spare parts can reduce maintenance time by 30%, saving an average of 2.5 hours per maintenance operation. 5. We have a professional quality inspection team of 15 engineers with more than 10 years of oilfield equipment experience, and each part undergoes 8 strict quality inspection procedures before leaving the factory, with a qualified rate of 99.8%.

We supply the following spare parts:

On-Site Fault Repair Cases

The following are 4 real on-site fault repair cases, showing the practical effect and customer recognition of our spare parts in actual oilfield operations:

Case 1

Location: Troll Field, Norway; Equipment Model: FZ18-35 Ram BOP; Fault: Sealing failure, with a leakage rate of 0.5 ml/min under 35 MPa pressure; Load: 5,000 psi working pressure; Spare Part Used: S91()-00; Repair Process: Replace the worn seal with our S91()-00 spare part, and conduct pressure test; Repair Effect: Leakage rate is reduced to 0.008 ml/min, which meets API 16A standard; Customer Feedback: "The spare part fits perfectly, and the repair was completed in 1 hour, which avoided unplanned downtime and saved us a lot of costs."

Case 2

Location: Shengli Oilfield, China; Equipment Model: FHZ54-35 Annular BOP; Fault: Piston wear, leading to failure to close the BOP normally; Load: 34.5 MPa working pressure; Spare Part Used: H27.00; Repair Process: Replace the worn piston with our H27.00 spare part, and test the closing function; Repair Effect: The BOP can close smoothly within 3 seconds, and the pressure-bearing capacity reaches 51.75 MPa (1.5 times the rated pressure); Customer Feedback: "The piston has a strong structure and good wear resistance, and it has been used for 8,000 hours without any problems so far."

Case 3

Location: Middle East Offshore Oilfield; Equipment Model: FFZ75-3.5 (/07) Diverter; Fault: Diverter valve core jamming, unable to divert drilling fluid normally; Load: 3.5 MPa working pressure; Spare Part Used: H06.00C; Repair Process: Replace the jammed valve core with our H06.00C spare part, and clean the valve body; Repair Effect: The diverter can divert drilling fluid smoothly, with a flow rate of 120 m³/h, meeting the on-site operation requirements; Customer Feedback: "The spare part is easy to install and has stable performance, which solved our emergency problem in time."

Case 4

Location: Western Siberia Oilfield, Russia; Equipment Model: FZ28-35U Ram BOP (Shearing); Fault: Shear edge wear, unable to shear drill pipe; Load: 5,000 psi working pressure, drill pipe diameter 7 1/16 inches; Spare Part Used: 006().00; Repair Process: Replace the shear ram with our 006().00 spare part, and test the shearing function; Repair Effect: The drill pipe can be sheared within 2 seconds, and the shear edge remains sharp after 50 shearing operations; Customer Feedback: "The shear ram has excellent hardness and sharpness, adapting to the low-temperature environment here, and we are very satisfied with the quality."

FAQ (Frequently Asked Questions)

Procurement Guide and Technical Reference Standards

When purchasing BOP and diverter spare parts, it is crucial to choose products that meet industry standards and equipment compatibility to avoid safety risks and economic losses. Our spare parts provide clear procurement and technical reference standards: 1. Procurement reference: When purchasing, please confirm the equipment model, part number and specific functions (such as shear, sealing gas) to ensure that the spare part matches the equipment; we provide detailed part specifications and compatibility lists to help you make accurate purchases. 2. Technical reference: All spare parts meet API 16A, NACE MR0175 and ISO 9001 standards, and we can provide test reports, quality certificates and other technical documents to ensure that the products meet your on-site technical requirements. 3. Technical support: Our team of 20 senior oilfield engineers provides 24/7 technical support, answering your questions about installation, maintenance and fault handling, and providing on-site technical guidance if needed.

Procurement Guidance

We provide a full range of high-quality spare parts for FHZ54-35, FZ18-35, FZ28-35, FZ35-70 annular BOP, ram BOP and FFZ75-3.5 (/07), FFZ76-07 diverter, covering all part numbers listed in your requirements. Our spare parts are characterized by high compatibility, long service life and stable performance, which can effectively reduce your maintenance costs and unplanned downtime. Whether you need routine stock replenishment, emergency repair parts or customized solutions, we can provide you with professional services. Please contact us to provide your equipment model and part number, and our team will quickly provide you with a detailed quotation and product information. We are committed to providing you with reliable spare parts supply and professional technical support to help you ensure the safe and efficient operation of oilfield drilling equipment.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619