Essential details
Quantity(pieces):7
Lead time:45 days
Shipping:Land transportation, sea transportation
Product Introduction
A single-ram shear blowout preventer (BOP) is a specialized type of BOP used in oil drilling well control equipment. Its core function is to rapidly shear drill strings and seal the wellhead using a single ram, making it suitable for blowout control in extreme emergency situations. Here is a clear summary of its key features:
1. Core Functions
Shearing Capacity: Designed specifically for cutting drill pipe, drill collars, or tools in the well, it can forcibly shear the metal tubing within seconds (even under high load), immediately isolating the wellhead pressure source.
Shearing Capacity: Designed specifically for cutting drill pipe, drill collars, or tools in the well, it can forcibly shear the metal tubing within seconds (even under high load), immediately isolating the wellhead pressure source.
Sealing Function: After shearing, the ram automatically closes to form a complete seal, preventing formation fluids (oil, gas, water) from escaping and controlling high pressure in the well.
2. Structural Design
Simplified Structure: Equipped with only one high-strength shear ram (usually made of alloy steel), resulting in a compact structure and high reliability.
Simplified Structure: Equipped with only one high-strength shear ram (usually made of alloy steel), resulting in a compact structure and high reliability.
Drive Method: Primarily hydraulically driven, with extremely fast response (action time typically <30 seconds), ensuring immediate activation in emergencies.
Pressure Rating: Designed to withstand pressures from 70MPa to 140MPa (approximately 10,000~20,000 psi), suitable for ultra-deep wells or high-pressure formations.
3. Application Scenarios
Emergency Well Control: Used as a "last line of defense" to forcibly disconnect the tubing and seal the well when conventional blowout preventers fail or a blowout has occurred.
High-Risk Operations: Suitable for high-risk environments such as deepwater drilling, high-temperature and high-pressure (HPHT) wells, and sulfur-containing oil and gas wells.
Complementary Use: Often used as a supplementary unit to multi-gate blowout preventer assemblies (such as three-gate BOPs) to enhance overall safety.
4. Core Advantages
Rapid Response: Single-function design simplifies operation and shortens emergency response time.
High Reliability: No redundant components, low failure rate, and strong stability under harsh conditions.
Cost-Effective: Compact size and easy maintenance, suitable for drilling projects with limited budgets but requiring basic protection.
