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The inability to accurately and safely determine the location of tool string components within Pressure Control Equipment (PCE) presents operational challenges for both service providers and E&P’s. The negative results of incorrectly closing PCE or operating well intervention equipment without empirically knowing the location of key tool string and BHA components has resulted in significant HSE events and monetary costs.
Intelligent Wellhead Systems has developed the inVision Offshore System; a technological innovation that measures and visualizes the presence of coiled tubing, wireline and associated components within pressurized zones of the PCE stack. Providing users with the critical knowledge of knowing when it is safe to close PCE and/or stop equipment.
In collaboration with Anadarko and Oil States Energy Services; Intelligent Wellhead Systems, has developed and performed a technical trial of the inVision Offshore System during interventions on Anadarko Holstein assets A1, A2 and A16.
The summary of findings of the overall technical trial was developed according to the intent of the trial; to demonstrate the application of the inVision System technology and its impact on coiled tubing, wireline and slickline operations.
The inVision System has the unique ability to measure, visualize and record tubing and tool string diameters and profiles; displaying this information on an intuitive user interface within the operator’s cab. Providing, in real time, a visualization of the operator’s tool string as it moves through the PCE stack.
This valuable information enables the development of new operational procedures which are not achievable and could not be considered without the information that the inVision System provides.
In doing so the inVision System promotes improved operational performance and eliminates key HSE risks completely. This is achievable by allowing for the development of new procedures and SOP’s that utilize the advanced information made available by the inVision System.
Intelligent Wellhead Systems is committed to continual development of the inVision Offshore System in an effort to fully realize the technologies potential and further assist offshore E&P’s in safely and efficiently achieving their goals.
Intelligent Wellhead Systems, in conjunction with, Trendsetter Engineering, has developed a marinized inVision System sensor array – currently undergoing preliminary testing.
This technology allows the inVision System to be placed at key locations within the riser assembly enabling the same advanced technology to be used subsea. Figure 2. Illustrates the placement of three systems in a deep water intervention. The upper system functions as described in this technical trial report; the two remaining systems are subsea, located above the lubricator valve and subsea tree.
The advantages presented by the inVision System technology in this configuration are numerous and represent one of the largest technological and procedural advances for offshore intervention operations in recent history.