Float Equipment Pressure Integrity Testing Apparatus
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Solution Overview
Problem
Conventional testing methods for float equipment used in hydrocarbon well construction fail to adequately assess the pressure integrity and durability of float shoes and float collars under conditions simulating their actual use, leading to potential failures during cementing operations, which can be costly and unsafe.
Innovation Solution
An apparatus and method that involves a housing with a seal arrangement to create a test chamber, allowing for pressurization to simulate the conditions experienced by float equipment, including simultaneous loading of both the inside and outside surfaces of the equipment, using a compression seal or hydraulic actuator to ensure a secure seal without requiring specific fittings or threads on the equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional testing methods are used for float equipment, then the testing process is simple, but the testing accuracy and reliability of pressure integrity assessment are insufficient
Solution Approach 1:
The testing apparatus is divided into separate functional modules: a housing defining a test chamber, a seal arrangement that interfaces with the float equipment, and a pressurization system. This segmentation allows each component to be optimized independently while maintaining overall system reliability for accurate pressure integrity testing.
Solution Approach 2:
A seal arrangement acts as an intermediary between the test chamber and the float equipment, creating a reliable pressure boundary without requiring permanent modification to the equipment. This mediator enables accurate pressure assessment while keeping the testing apparatus non-invasive and reusable.
2Reliability
If float equipment is tested under simulated wellbore conditions, then the reliability of equipment performance assessment improves, but the complexity of replicating actual use conditions increases
Solution Approach 1:
The test chamber allows manipulation of pressure parameters to simulate wellbore conditions. By controlling and varying pressure levels within the chamber, the apparatus replicates actual operational stress on float equipment without requiring complex environmental simulation, achieving reliable performance assessment through targeted parameter control.
3Adaptability or versatility
If a seal arrangement is used to create a test chamber, then the versatility of testing different float equipment is improved, but the complexity of ensuring proper sealing increases
Solution Approach 1:
The seal arrangement is designed with universal compatibility features that allow it to interface with various types and sizes of float equipment. This multi-functional seal design enables the same test chamber to accommodate different float shoes and collars, achieving versatility without requiring multiple specialized sealing mechanisms for each equipment type.
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 approach enables efficient and effective testing of float equipment under conditions resembling those in a wellbore, identifying potential weaknesses and ensuring the equipment's integrity before deployment, thus preventing costly failures and ensuring safety.
Implementation Method 1
means for pressurising the test chamber to thereby expose at least a part of the item of float equipment in the test chamber to a test pressure
Implementation Method 2
A seal arrangement is configured to seal with the item of float equipment, such that the housing and seal arrangement together define a test chamber
Data Source
AI summary
Apparatus and method for testing float equipment used in the construction of wellbores for the hydrocarbon exploration and production industry. The apparatus has a housing and an opening for receiving an item of float equipment. A seal arrangement is configured to seal with the item of float equipment, such that the housing and seal arrangement together define a test chamber. The test chamber is pressurized to expose at least a part of the item of float equipment in the test chamber to a test pressure. In embodiments of the invention, at least a part of an outside surface and at least a part of the item of float equipment may be simultaneously loaded. The tests performed more closely simulate the conditions to which the equipment is exposed in a wellbore.