Objective
To monitor a subsurface safety valve installed in the production tubing, whose function is to stop the well production in case of destruction of surface equipment (particularly well head and X mass tree equipments).
This monitoring is realized by electro-magnetic data transmission system, eliminating all physical link from downhole to the surface (electric cable, or hydraulic control line subject to deterioration and leaks, and limited in depth to 300 meters).
When using this sytem, the fail safe function of the subsurface safety valve is well respected particularly in case of failure of the system.
This system allows to install a subsurface safety valve at a greater depth (more than 1000 meters without problem) and also in already existing wells not equipped with nipple fed with control line. Hence reducing the volume of fluid under pressure inside the well tubing below the safety valve.
The project consists in realizing, installing and testing a subsurface safety valve electro-magnetically controlled from the surface.
This new concept eliminates the constrains in term of complexity, time and cost due to the physical links (electrical cable or control line) attached to the commercial surface controlled subsurface safety valve existing today on the market.
The new product will be able to be installed at any depth and particularly to restore, at low cost, the safety function on wells non equipped with safety devices.
THE INNOVATIVE TECHNOLOGY POINTS ARE :
- No physical link (hydraulic control line or electrical cable) between surface and safety valve.
- Elimination of delicate and costly crossing of well head.
- Greater depth installation which increases safety in well operation by reducing the volume of fluids under pressure below the safety valve when closed.
- Reducing risk of annulus leakage.
CONTEXT IN WHICH THE TECHNOLOGY IS OPERATING :
Two main applications appear now due to the fact that electromagnetic transmission eliminates any physical link from downhole to surface (no electrical cable, no hydraulic control line, long to install, subject to deterioration and limited in depth to 300 meters).
- Installation in new completion of subsurface safety valve at greater depth (more than 1000 meters without problem). - Installation of subsurface safety valve in already existing wells, not equipped with nipple fed with hydraulic control line or having control line broken etc... hence restoring the safety functions in the well without being obliged to carry out costly and dangerous workover operations.
MONITORING :
Safety valve will remain in a well for a period of at least 6 months and closing and opening the valve will be made twice a month.
After a six months period, equipment will be pulled out of the hole for inspection of the components. Residual electrical capacity of the batteries, will be measured, in order to define electrical consumption, for a six months period, to be able to evaluate the normal operation duration. After evaluation, dissemination will be organised.
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
93151 Le Blanc-Mesnil
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.