Liner lap inflow test software

The observed flow rates are plotted against a time scale allow to determine if the situation is one with both an influx and thermal expansion or with temperature effects only. In order to positively determine whether and when zero flow will materialise, the inflow test has to be conducted for much longer than 4 hours.

Toggle Navigation. Home Technical Checklists Pre-spud 26 inch 16 inch Inflow Testing Procedure. Procedure for Circulating to Lighter Fluids Diesel etc. Inflow tests in a , b , c and d above shall be carried out under drawdown psi conditions placed across the liner that will approximate the maximum that is expected to be observed during the life of the well. In the case of e above, the inflow test shall be carried out at the beginning of the pre-completion phase and while circulating out the mud for completion brine under controlled conditions this means maintaining a constant pressure at the liner lap by holding back pressure and then bleeding off and observing the well.

Toggle Navigation. Home Technical Checklists Pre-spud 26 inch 16 inch Once the liner lap test is considered successful, the landing sub is hydraulically collapsed allowing entry into and below the liner top.

Drilling operations can then resume without concern to packer element damage. Applications of this system include liner lap testing and any subsequent drilling operation in the same trip. This paper introduces and discusses the step change in operational liner lap testing procedures while incorporate this new approach to market technology of the collapsible landing sub.

It describes the lesson learned and the limitations of the previous method of conducting this operation. It analyzes and compares actual job data and success rates between the previous methods and methods incorporating the new technology. This paper shows that using the collapsible landing sub in conjunction with the mechanical in flow test packer cost reduction and increases reliability and profitability in these operations.

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