SW Type Annular BOP

Parameters

The SW Type Annular BOP is engineered to deliver uncompromising well control under the most demanding operational pressures. At the heart of its structural design lies a premium spherical or conical packing element, meticulously formulated to provide a resilient, fatigue-resistant barrier. The internal architecture features optimized pistons and moving components that significantly reduce friction and mechanical wear rates, ensuring a durable and reliable seal during critical containment events. Operators will immediately notice the heavy-duty metallic finish and the precision-machined studded and flanged connections, which guarantee a flush, leak-proof integration with existing wellhead infrastructure. Furthermore, the remarkably compact footprint of this unit facilitates rapid field disassembly and straightforward replacement of the core packing elements directly on the rig floor. This streamlined approach to structural design not only enhances operational safety but also ensures that maintenance crews can perform necessary interventions without unnecessary delays. The smooth, machined surfaces of the hydraulic ports allow for secure, rapid coupling of control lines, minimizing the risk of fluid bypass. Every millimeter of the housing is cast and forged to withstand immense internal bursting forces, providing crews with the physical assurance needed when drilling into unknown pressure gradients.

Reference to Standards

Compliance with stringent industry protocols is not merely a benchmark but a foundational aspect of this blowout preventer's engineering. By strictly adhering to the NACE MR0175 standards, the metallic and elastomeric components are specifically treated to resist sulfide stress cracking, making the unit exceptionally capable in sour service environments heavily laden with hydrogen sulfide (H₂S). Beyond chemical resistance, the equipment boasts an impressive temperature adaptability, functioning reliably across the broad K through U classification range. This means the internal seals maintain their pliability and structural integrity whether exposed to freezing ambient conditions or extreme subterranean heat. Conformance with API Spec 16A and Standard 53 further translates to a prolonged operational lifespan. The rigorous material selection and predictable maintenance pathways drastically reduce unexpected rig downtime, allowing drilling contractors to maintain continuous, safe operations even when navigating the most hostile subterranean environments. When inspecting the unit, maintenance personnel will appreciate the clear, accessible layout of the wear indicators and test ports, which emit a distinct, solid acoustic feedback when tapped, confirming the structural density of the pressure vessel. This proactive approach to equipment longevity ensures that the blowout preventer remains a permanent, reliable fixture on the rig rather than a consumable liability.

Specifications of the SW-type BOP we can provide

While the specific models detailed below represent our most frequently requested configurations, the underlying engineering architecture of the SW-type series supports a massive envelope of operational requirements. By offering such a diverse range of dimensional and pressure capabilities, this series provides a tailored, exact-fit solution for specialized well control scenarios, eliminating the need for compromised, unverified workarounds.

Expanded Adaptability & Structural Benefits

• Comprehensive Bore Sizing: The full spectrum of available bore sizes ranges comprehensively from a compact 2-9/16 inches up to a massive 30-inch diameter, ensuring flexible adaptability across a wide array of wellhead setups and casing programs.

• Extreme Pressure Ratings: Accommodating pressure ratings that start at a baseline of 500 psi and scale up to an extreme 20,000 psi, securing the wellbore against unpredictable pressure kicks.

• Responsive Actuation: The tactile, responsive nature of the hydraulic actuation system guarantees that drillers maintain absolute, immediate control during influx events.

• Unyielding Physical Presence: The heavy, industrial-grade bolting mechanisms and thick-walled steel construction provide reassuring mechanical protection once torqued to specification.

Whether outfitting a lightweight mobile rig for shallow interventions or a massive drillship for deepwater exploration, the scalable nature of these specifications ensures that every operation receives the exact level of mechanical protection required. Below are our standard rapid-deployment specifications:

• 11" 10,000psi

• 13-5/8" 10,000psi

• 18-3/4" 10,000psi

  
  

Geographic distribution of customers using SW-type BOP

Versatile Applications Across Global Terrains

The deployment footprint of this annular blowout preventer spans across some of the most diverse and challenging geographic terrains on the planet. From the arid, abrasive, and high-temperature drilling sites located throughout the Middle East to the humid, highly corrosive offshore platforms situated in Southeast Asia, the equipment consistently delivers unwavering containment performance.

It is heavily utilized across a multitude of complex operational scenarios, including conventional oil and natural gas extraction, deep geothermal drilling operations, intricate well workover tasks, and sensitive underbalanced drilling programs. The proven, documented track record in these varied global zones underscores its universal applicability.

Field crews operating in these distinct regions rely on the predictable mechanical response and the solid physical construction of the unit to safeguard their personnel and the surrounding environment. The distinct climatic challenges of each region—be it the fine, penetrating sandstorms of desert environments or the constant salt spray of oceanic drilling—are effectively neutralized by the unit's sealed, weather-resistant exterior coating. This global footprint is a testament to the meticulous engineering that allows a single fundamental design to excel in virtually any application, securing the wellbore against unpredictable pressure kicks regardless of the geographical coordinates.

Iran

Malaysia

Syria