Drilling Specific Energy Calculation for CO2 Emission Reduction
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Solution Overview
Problem
Current drilling operations face inefficiencies that lead to increased carbon dioxide emissions, primarily due to factors like mechanical drilling parameters, drilling fluid rheology, and hole cleaning efficiency, which existing technologies fail to effectively address.
Innovation Solution
A data processing system calculates drilling specific energy by considering mechanical drilling parameters, drilling fluid rheological parameters, and hole cleaning efficiency, optimizing drilling parameters in real-time to reduce carbon dioxide emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If traditional drilling operations are used, then drilling can be performed, but carbon dioxide emissions increase and drilling efficiency decreases
Solution Approach 1:
The system continuously monitors and adjusts drilling parameters (weight on bit, rotary speed, pump rate, torque, power) to optimize drilling specific energy. By dynamically changing these parameters based on real-time calculations, the system reduces CO2 emissions while maintaining or improving drilling efficiency
Solution Approach 2:
The system implements a closed-loop feedback mechanism where drilling parameters are monitored, drilling specific energy is calculated, and adjustments are made based on the calculated values. This continuous feedback loop enables real-time optimization to reduce emissions while maintaining productivity
2Object-generated harmful factors
If drilling parameters are optimized to reduce CO2 emissions, then environmental impact decreases, but drilling operation complexity increases
Solution Approach 1:
The system integrates multiple functions into a single platform: monitoring drilling parameters, calculating drilling specific energy, evaluating hole cleaning efficiency, and optimizing parameters all in one system. This multi-functionality reduces the need for separate systems while achieving comprehensive optimization
Solution Approach 2:
The system automatically calculates drilling specific energy and determines optimal parameters without requiring external intervention. The automated calculation and adjustment processes reduce operational complexity by eliminating manual calculations and decision-making
3Use of energy by moving object
If drilling specific energy is minimized, then fuel consumption decreases, but drilling rate may be affected
Solution Approach 1:
The system adjusts multiple parameters simultaneously (weight on bit, rotary speed, pump rate) to achieve optimal drilling specific energy. By coordinating changes across multiple parameters rather than adjusting single parameters in isolation, the system maintains drilling rate while reducing energy consumption
Solution Approach 2:
The system dynamically adjusts drilling parameters in real-time based on changing conditions and calculated drilling specific energy. This dynamic optimization allows the system to respond to varying rock properties and drilling conditions, maintaining efficient drilling rates while minimizing fuel consumption
Data Source
AI summary
Systems and methods for evaluating carbon dioxide emissions during drilling operations include measuring a plurality of mechanical drilling parameters and a plurality of drilling fluid parameters; determining a hole cleaning index that indicates an effectiveness of removing cuttings from a borehole, the hole cleaning index comprises a cutting concentration in an annulus and a carrying capacity index that specifies the carrying capacity of the drilling fluid, determining being based on the measured parameters; evaluating hydraulic pressures in the borehole and in a drill bit based on the measured parameters; calculating a drilling specific energy based on the hole cleaning index and the evaluated hydraulic pressures; calculating carbon dioxide emissions of the drilling operation based on the drilling specific energy; and determining drilling parameters based on minimizing the drilling specific energy and calculated carbon dioxide emissions.