Well Planning System Using 3D Coordinates and Offset Well Data
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Solution Overview
Problem
Current well planning methods lack efficiency in determining optimal well trajectories and constraints, particularly in complex geological environments, leading to increased drilling time and risk.
Innovation Solution
A method and system that utilize three-dimensional coordinate systems to receive constraints and data from offset wells, determining set points for wellbore extension, and generating well plans based on these inputs for transmission to drilling systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional well planning methods are used, then the process is simpler, but the efficiency in determining optimal well trajectories is reduced and drilling time increases
Solution Approach 1:
The system performs preliminary well planning and trajectory determination before actual drilling operations begin. By pre-calculating optimal well paths using three-dimensional coordinate systems and incorporating offset well data, constraints are established in advance, allowing drilling operations to proceed efficiently without time-consuming adjustments during execution
Solution Approach 2:
Traditional manual well planning methods are replaced with an automated computer-based system that uses three-dimensional coordinate systems, algorithms, and software to determine optimal well trajectories. This substitution of mechanical/manual processes with automated computational methods significantly improves planning efficiency and reduces the time required to develop well plans
2Measurement precision
If traditional well planning methods are used, then the process is less complex, but the accuracy in accounting for geological conditions is reduced
Solution Approach 1:
The system transitions from two-dimensional well planning to three-dimensional coordinate systems for trajectory determination. By incorporating vertical depth, horizontal position, and angular measurements in three dimensions, the system achieves more accurate well path planning that properly accounts for complex geological conditions, offset well locations, and subsurface constraints
Solution Approach 2:
The well planning system integrates multiple functions into a unified platform: it processes offset well data, applies various geological and operational constraints, performs three-dimensional trajectory calculations, and generates comprehensive well plans. This multi-functional integration improves accuracy while managing complexity through a single systematic approach
3Reliability
If traditional well planning methods are used, then fewer data inputs are required, but the ability to account for drilling conditions is reduced
Solution Approach 1:
The system incorporates feedback from offset well data into the well planning process. By analyzing drilling conditions, geological characteristics, and operational parameters from previously drilled offset wells, the system uses this feedback to refine trajectory predictions, identify potential risks, and optimize well path selection for the current drilling project
Solution Approach 2:
The system performs preliminary analysis of multiple potential well trajectories and drilling scenarios before finalizing the well plan. By pre-evaluating different paths against known constraints and offset well data, the system identifies the most reliable option and prepares contingency considerations in advance, reducing drilling risks before operations begin
Data Source
AI summary
A system and method that include receiving constraints that are specified as points in a three-dimensional coordinate system that represent a geological environment that includes a surface position and a subterranean portion of a wellsite and receiving data collected from at least one offset well that is located near the wellsite that pertain to a geology and at least one condition related to drilling of the at least one offset well and determining a set of points through which a wellbore is extendable at the wellsite. The system and method additionally include generating at least one well plan that is based on the constraints and the set of points for constructing a well associated with the wellbore. The system and method further include transmitting the at least one well plan to a drilling system to execute the at least one well plan to control drilling equipment to construct the well.