Arc RFID Antenna for Riser Segment Tracking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manual tracking of riser segments in oil and gas extraction systems is prone to errors, leading to decreased longevity and increased costs due to uneven load distribution and misdeployment.
Innovation Solution
The implementation of arc-shaped RFID antennas mounted on a gimbal and spider assembly that automatically track riser segments by receiving signals from embedded RFID tags, ensuring accurate tracking and management through expanded read ranges and precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual tracking of riser segments is used, then operational flexibility is maintained, but tracking accuracy decreases leading to errors in segment deployment
Solution Approach 1:
The patent replaces manual mechanical tracking with an automated RFID-based electronic tracking system. RFID tags are attached to riser segments and read by antennas on the drilling rig, automatically identifying and tracking segments without human intervention. This substitution of mechanical/manual processes with electronic automation resolves the contradiction by dramatically improving tracking accuracy while the modular RFID system keeps complexity manageable.
Solution Approach 2:
The RFID tags on riser segments enable self-identification and self-tracking. Each segment carries its own unique identifier that is automatically read by the system, eliminating the need for manual tracking operations. This self-service approach improves accuracy while reducing operational complexity by making the segments themselves part of the tracking solution.
2Extent of automation
If RFID tags are embedded in riser segments, then automated tracking is achieved, but manufacturing complexity increases
Solution Approach 1:
The RFID tags are attached to riser segments during the manufacturing process as a preliminary action. By integrating tag attachment into the manufacturing workflow, the system achieves automated tracking capability while the manufacturing complexity increase is minimized through process integration rather than adding separate post-manufacturing steps.
Solution Approach 2:
The patent extracts the tracking function from the riser segment structure itself, using separate RFID tags that can be attached independently. This extraction allows the tracking system to be implemented without fundamentally changing the manufacturing of the riser segments themselves, thereby achieving automation while minimizing impact on manufacturing ease.
3Area of stationary object
If conventional linear antennas are used, then device simplicity is maintained, but read range coverage is insufficient for accurate tracking
Solution Approach 1:
The patent employs arc-shaped antennas with a radius of curvature matching the drilling riser geometry. This curved configuration allows the antenna to follow the circular path of the riser, dramatically expanding the read range coverage around the entire riser circumference. The arc shape enables RFID tags at any position on the riser to be within reading distance of the antenna, solving the coverage problem while maintaining relatively simple antenna construction.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution significantly reduces errors in riser segment tracking, extends the useful life of segments, and lowers operational costs by enabling precise load distribution and automated management.
Implementation Method 1
arc-shaped RFID antenna that receives a signal from an RFID tag
Data Source
AI summary
A system, in certain embodiments, includes a spider configured to support multiple mineral extraction riser segments. The system also includes a gimbal disposed below the spider and configured to support the spider during operation. The system further includes one or more arcuate radio frequency identification (RFID) antennas disposed within the gimbal and/or the spider. The one or more arcuate RFID antennas are configured to communicate with one or more RFID tags coupled to each riser segment.