BOP Control Communication for Integrated Rig Data Monitoring

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Solution Overview

Problem

The existing blowout preventer (BOP) control system lacks communication with the rig control system, leading to suboptimal operation and potential damage due to limited sensor data access, as BOP control systems do not receive information from rig sensors.

Innovation Solution

Implementing a BOP control system that is communicatively connected with a pressure control system and a rig control system, allowing it to receive rig data and pressure data, and displaying this information on a human-machine interface (HMI) for monitoring and controlling BOP equipment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the BOP control system operates independently without communication with the rig control system, then the BOP control system structure remains simple and independent, but the operational efficiency and safety are reduced due to limited sensor data access

Engineering Contradiction:
ImproveBOP equipment safetyVSAvoidBOP control system structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the BOP control system with the rig control system by establishing communicative connections between them. The BOP control system receives sensor data from the rig control system, allowing integrated monitoring and control. This combining of previously separate systems enables comprehensive data access while maintaining functional independence through structured communication protocols.

Inventive Principle:
Principle #5Merging (Combining)

2Loss of information

If the BOP control system accesses limited sensor data only from BOP sensors, then the system complexity remains low, but the information available for optimal control is insufficient

Engineering Contradiction:
ImproveSensor data availabilityVSAvoidData integration structure
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The rig control system serves multiple functions: it controls rig equipment operations and simultaneously provides sensor data to the BOP control system. This multi-functional approach allows the BOP system to access comprehensive information including rig equipment status, wellbore conditions, and operational parameters without creating dedicated data collection infrastructure.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces a communication interface as an intermediary between the rig control system and BOP control system. This mediator facilitates data transfer and integration, allowing the BOP system to access rig sensor data through structured communication protocols while maintaining system independence and managing data complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If the BOP control system is not communicatively connected with the rig control system, then the system architecture remains simple and independent, but the operational efficiency is reduced due to inability to utilize comprehensive rig data

Engineering Contradiction:
ImproveBOP equipment operational efficiencyVSAvoidSystem communication architecture
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent implements feedback mechanisms where the BOP control system receives real-time sensor data from the rig control system and uses this information to optimize BOP equipment operation. The integrated system continuously monitors wellbore conditions, rig equipment status, and BOP performance, adjusting control parameters based on comprehensive feedback to maximize operational efficiency.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12392206B2Communicating with blowout preventer control system
Publication Date: 2025.08.19 SCHLUMBERGER TECH CORP
  • US12392206B2 patent drawing
  • US12392206B2 patent drawing
  • US12392206B2 patent drawing

AI summary

A system includes a rig control system for controlling rig equipment operable to perform drilling operations to drill a wellbore at a wellsite, wherein the rig equipment includes a drawworks for raising or lowering a drill string, a pressure control system for controlling a pressure control manifold fluidly connected with the wellbore, and a blowout preventer (BOP) control system for controlling BOP equipment. The BOP control system is communicatively connected with the rig control system and the pressure control system, receives rig data, pressure data, and flow rate data from sensors included in the rig control system and the pressure control system, displays information indicative of an influx of formation fluid based at least one of the pressure data and the flow rate data, and causes the BOP equipment to close about the drill string.